

<!--Generated by Disclosure Solutions PROFILE 3.2.1.0 Copyright 1995 - 2015 Thomson Reuters Accelus. All rights reserved.-->
<xs:schema targetNamespace="http://belfuse.com/20141231" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:belfb="http://belfuse.com/20141231" xmlns:us-types="http://fasb.org/us-types/2014-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:dei="http://xbrl.sec.gov/dei/2014-01-31">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="belfb-20141231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="belfb-20141231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="belfb-20141231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="belfb-20141231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://belfuse.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>000100 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedBalanceSheets" id="ConsolidatedBalanceSheets">
        <link:definition>010000 - Statement - CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedBalanceSheetsParenthetical" id="ConsolidatedBalanceSheetsParenthetical">
        <!--Parent Role: CONSOLIDATED BALANCE SHEETS-->
        <link:definition>010100 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfOperations" id="ConsolidatedStatementsOfOperations">
        <link:definition>020000 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfComprehensiveLossIncome" id="ConsolidatedStatementsOfComprehensiveLossIncome">
        <link:definition>030000 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfComprehensiveLossIncomeParenthetical" id="ConsolidatedStatementsOfComprehensiveLossIncomeParenthetical">
        <!--Parent Role: CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME-->
        <link:definition>030100 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfStockholdersEquity" id="ConsolidatedStatementsOfStockholdersEquity">
        <link:definition>040000 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical" id="ConsolidatedStatementsOfStockholdersEquityParenthetical">
        <!--Parent Role: CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY-->
        <link:definition>040100 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ConsolidatedStatementsOfCashFlows" id="ConsolidatedStatementsOfCashFlows">
        <link:definition>050000 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPolicies">
        <link:definition>060100 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/Acquisitions" id="Acquisitions">
        <link:definition>060200 - Disclosure - Acquisitions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RestructuringActivities" id="RestructuringActivities">
        <link:definition>060300 - Disclosure - Restructuring Activities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/GoodwillAndOtherIntangibleAssets" id="GoodwillAndOtherIntangibleAssets">
        <link:definition>060400 - Disclosure - Goodwill and Other Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/FairValueMeasurements" id="FairValueMeasurements">
        <link:definition>060500 - Disclosure - Fair Value Measurements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/OtherAssets" id="OtherAssets">
        <link:definition>060600 - Disclosure - Other Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/InventoriesNet" id="InventoriesNet">
        <link:definition>060700 - Disclosure - Inventories, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/PropertyPlantAndEquipmentNet" id="PropertyPlantAndEquipmentNet">
        <link:definition>060800 - Disclosure - Property, Plant and Equipment, net</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/IncomeTaxes" id="IncomeTaxes">
        <link:definition>060900 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/Debt" id="Debt">
        <link:definition>061000 - Disclosure - Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccruedExpenses" id="AccruedExpenses">
        <link:definition>061100 - Disclosure - Accrued Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/Segments" id="Segments">
        <link:definition>061200 - Disclosure - Segments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RetirementFundAndProfitSharingPlan" id="RetirementFundAndProfitSharingPlan">
        <link:definition>061300 - Disclosure - Retirement Fund and Profit Sharing Plan</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SharebasedCompensation" id="SharebasedCompensation">
        <link:definition>061400 - Disclosure - Share-based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/CommonStock" id="CommonStock">
        <link:definition>061500 - Disclosure - Common Stock</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>061600 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccumulatedOtherComprehensiveLossIncome" id="AccumulatedOtherComprehensiveLossIncome">
        <link:definition>061700 - Disclosure - Accumulated Other Comprehensive (Loss) Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RelatedPartyTransactions" id="RelatedPartyTransactions">
        <link:definition>061800 - Disclosure - Related Party Transactions</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SelectedQuarterlyFinancialDataUnaudited" id="SelectedQuarterlyFinancialDataUnaudited">
        <link:definition>061900 - Disclosure - Selected Quarterly Financial Data (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SubsequentEvent" id="SubsequentEvent">
        <link:definition>062000 - Disclosure - Subsequent Event</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ScheduleIiValuationAndQualifyingAccounts" id="ScheduleIiValuationAndQualifyingAccounts">
        <link:definition>062100 - Schedule - SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies">
        <!--Parent Role: DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES-->
        <link:definition>070100 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesTables">
        <!--Parent Role: DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES-->
        <link:definition>080100 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AcquisitionsTables" id="AcquisitionsTables">
        <!--Parent Role: Acquisitions-->
        <link:definition>080200 - Disclosure - Acquisitions (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RestructuringActivitiesTables" id="RestructuringActivitiesTables">
        <!--Parent Role: Restructuring Activities-->
        <link:definition>080300 - Disclosure - Restructuring Activities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/GoodwillAndOtherIntangibleAssetsTables" id="GoodwillAndOtherIntangibleAssetsTables">
        <!--Parent Role: Goodwill and Other Intangible Assets-->
        <link:definition>080400 - Disclosure - Goodwill and Other Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/InventoriesNetTables" id="InventoriesNetTables">
        <!--Parent Role: Inventories, net-->
        <link:definition>080700 - Disclosure - Inventories, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/PropertyPlantAndEquipmentNetTables" id="PropertyPlantAndEquipmentNetTables">
        <!--Parent Role: Property, Plant and Equipment, net-->
        <link:definition>080800 - Disclosure - Property, Plant and Equipment, net (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/IncomeTaxesTables" id="IncomeTaxesTables">
        <!--Parent Role: Income Taxes-->
        <link:definition>080900 - Disclosure - Income Taxes (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DebtTables" id="DebtTables">
        <!--Parent Role: Debt-->
        <link:definition>081000 - Disclosure - Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccruedExpensesTables" id="AccruedExpensesTables">
        <!--Parent Role: Accrued Expenses-->
        <link:definition>081100 - Disclosure - Accrued Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SegmentsTables" id="SegmentsTables">
        <!--Parent Role: Segments-->
        <link:definition>081200 - Disclosure - Segments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RetirementFundAndProfitSharingPlanTables" id="RetirementFundAndProfitSharingPlanTables">
        <!--Parent Role: Retirement Fund and Profit Sharing Plan-->
        <link:definition>081300 - Disclosure - Retirement Fund and Profit Sharing Plan (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SharebasedCompensationTables" id="SharebasedCompensationTables">
        <!--Parent Role: Share-based Compensation-->
        <link:definition>081400 - Disclosure - Share-based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/CommitmentsAndContingenciesTables" id="CommitmentsAndContingenciesTables">
        <!--Parent Role: Commitments and Contingencies-->
        <link:definition>081600 - Disclosure - Commitments and Contingencies (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccumulatedOtherComprehensiveLossIncomeTables" id="AccumulatedOtherComprehensiveLossIncomeTables">
        <!--Parent Role: Accumulated Other Comprehensive (Loss) Income-->
        <link:definition>081700 - Disclosure - Accumulated Other Comprehensive (Loss) Income (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SelectedQuarterlyFinancialDataUnauditedTables" id="SelectedQuarterlyFinancialDataUnauditedTables">
        <!--Parent Role: Selected Quarterly Financial Data (Unaudited)-->
        <link:definition>081900 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDetails" id="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesDetails">
        <!--Parent Role: DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES-->
        <link:definition>090100 - Disclosure - DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AcquisitionsDetails" id="AcquisitionsDetails">
        <!--Parent Role: Acquisitions-->
        <link:definition>090200 - Disclosure - Acquisitions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AcquisitionsDetailsCalc2" id="AcquisitionsDetailsCalc2">
        <!--Parent Role: Acquisitions (Details)-->
        <link:definition>090202 - Disclosure - ACQUISITIONS (Details) Calc 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RestructuringActivitiesDetails" id="RestructuringActivitiesDetails">
        <!--Parent Role: Restructuring Activities-->
        <link:definition>090300 - Disclosure - Restructuring Activities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/GoodwillAndOtherIntangibleAssetsDetails" id="GoodwillAndOtherIntangibleAssetsDetails">
        <!--Parent Role: Goodwill and Other Intangible Assets-->
        <link:definition>090400 - Disclosure - Goodwill and Other Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/FairValueMeasurementsDetails" id="FairValueMeasurementsDetails">
        <!--Parent Role: Fair Value Measurements-->
        <link:definition>090500 - Disclosure - Fair Value Measurements (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/OtherAssetsDetails" id="OtherAssetsDetails">
        <!--Parent Role: Other Assets-->
        <link:definition>090600 - Disclosure - Other Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/InventoriesNetDetails" id="InventoriesNetDetails">
        <!--Parent Role: Inventories, net-->
        <link:definition>090700 - Disclosure - Inventories, net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/PropertyPlantAndEquipmentNetDetails" id="PropertyPlantAndEquipmentNetDetails">
        <!--Parent Role: Property, Plant and Equipment, net-->
        <link:definition>090800 - Disclosure - Property, Plant and Equipment, net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/IncomeTaxesDetails" id="IncomeTaxesDetails">
        <!--Parent Role: Income Taxes-->
        <link:definition>090900 - Disclosure - Income Taxes (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/DebtDetails" id="DebtDetails">
        <!--Parent Role: Debt-->
        <link:definition>091000 - Disclosure - Debt (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccruedExpensesDetails" id="AccruedExpensesDetails">
        <!--Parent Role: Accrued Expenses-->
        <link:definition>091100 - Disclosure - Accrued Expenses (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SegmentsDetails" id="SegmentsDetails">
        <!--Parent Role: Segments-->
        <link:definition>091200 - Disclosure - Segments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SegmentsEntityWideInformationDetails" id="SegmentsEntityWideInformationDetails">
        <!--Parent Role: Segments-->
        <link:definition>091202 - Disclosure - Segments, Entity Wide Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RetirementFundAndProfitSharingPlanDetails" id="RetirementFundAndProfitSharingPlanDetails">
        <!--Parent Role: Retirement Fund and Profit Sharing Plan-->
        <link:definition>091300 - Disclosure - Retirement Fund and Profit Sharing Plan (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SharebasedCompensationDetails" id="SharebasedCompensationDetails">
        <!--Parent Role: Share-based Compensation-->
        <link:definition>091400 - Disclosure - Share-based Compensation (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/CommonStockDetails" id="CommonStockDetails">
        <!--Parent Role: Common Stock-->
        <link:definition>091500 - Disclosure - Common Stock (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/CommitmentsAndContingenciesDetails" id="CommitmentsAndContingenciesDetails">
        <!--Parent Role: Commitments and Contingencies-->
        <link:definition>091600 - Disclosure - Commitments and Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/AccumulatedOtherComprehensiveLossIncomeDetails" id="AccumulatedOtherComprehensiveLossIncomeDetails">
        <!--Parent Role: Accumulated Other Comprehensive (Loss) Income-->
        <link:definition>091700 - Disclosure - Accumulated Other Comprehensive (Loss) Income (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/RelatedPartyTransactionsDetails" id="RelatedPartyTransactionsDetails">
        <!--Parent Role: Related Party Transactions-->
        <link:definition>091800 - Disclosure - Related Party Transactions (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SelectedQuarterlyFinancialDataUnauditedDetails" id="SelectedQuarterlyFinancialDataUnauditedDetails">
        <!--Parent Role: Selected Quarterly Financial Data (Unaudited)-->
        <link:definition>091900 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/SubsequentEventDetails" id="SubsequentEventDetails">
        <!--Parent Role: Subsequent Event-->
        <link:definition>092000 - Disclosure - Subsequent Event (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://belfuse.com/role/ValuationAndQualifyingAccountsDetails" id="ValuationAndQualifyingAccountsDetails">
        <!--Parent Role: SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS-->
        <link:definition>092100 - Schedule - VALUATION AND QUALIFYING ACCOUNTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://fasb.org/us-gaap/2014-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/dei/2014-01-31" schemaLocation="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/country/2013-01-31" schemaLocation="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/currency/2014-01-31" schemaLocation="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/exch/2014-01-31" schemaLocation="http://xbrl.sec.gov/exch/2014/exch-2014-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" />
  <xs:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xs:import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <xs:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd" />
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xs:import namespace="http://www.xbrl.org/2004/ref" schemaLocation="http://www.xbrl.org/2004/ref-2004-08-10.xsd" />
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xs:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xs:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xs:import namespace="http://fasb.org/us-types/2014-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2014/elts/us-types-2014-01-31.xsd" />
  <xs:import namespace="http://www.xbrl.org/2009/arcrole/fact-explanatoryFact" schemaLocation="http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd" />
  <xs:element name="AmortizationPeriodForMarketValueOfCommonStockAwarded" id="belfb_AmortizationPeriodForMarketValueOfCommonStockAwarded" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfIncrementsEarnedForShareAwards" id="belfb_PercentageOfIncrementsEarnedForShareAwards" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EquityCompensationPlanMember" id="belfb_EquityCompensationPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfShareBasedCompensationActivityAbstract" id="belfb_ScheduleOfShareBasedCompensationActivityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePriceRollForward" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePriceRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePrice" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageExercisePrice" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualLife" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualLife" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice" id="belfb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageExercisePrice" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAbstract" id="belfb_DescriptionOfBusinessAndSummaryOfSignificantAccountingPoliciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="BuildingsAndLeaseholdImprovementsMember" id="belfb_BuildingsAndLeaseholdImprovementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FibrecoMember" id="belfb_FibrecoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PowerboxItalyMember" id="belfb_PowerboxItalyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ExcessiveDividendRateOfOneClassOverOtherClass" id="belfb_ExcessiveDividendRateOfOneClassOverOtherClass" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ComponentsInCalculationOfBasicAndDilutedEarningsPerShareAbstract" id="belfb_ComponentsInCalculationOfBasicAndDilutedEarningsPerShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DenominatorAbstract" id="belfb_DenominatorAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NetEarningsAllocationBasicAndDilutedAbstract" id="belfb_NetEarningsAllocationBasicAndDilutedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="UndistributedEarningsAllocationBasicAndDilutedAbstract" id="belfb_UndistributedEarningsAllocationBasicAndDilutedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ExcessiveUndistributedEarningsAllocationRateOfOneClassOverOtherClass" id="belfb_ExcessiveUndistributedEarningsAllocationRateOfOneClassOverOtherClass" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ChangeInChineseRenminbiForeignCurrencyExchangeRate" id="belfb_ChangeInChineseRenminbiForeignCurrencyExchangeRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="GigacomInterconnectMember" id="belfb_GigacomInterconnectMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ArrayMember" id="belfb_ArrayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TrpMember" id="belfb_TrpMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PowerSolutionsMember" id="belfb_PowerSolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EmersonMember" id="belfb_EmersonMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DetailsOfAcquisitionAbstract" id="belfb_DetailsOfAcquisitionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FairValueOfConsiderationTransferred" id="belfb_FairValueOfConsiderationTransferred" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FairValueOfIdentifiableAssetsAcquiredNet" id="belfb_FairValueOfIdentifiableAssetsAcquiredNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CashPaidDuringPeriodForAbstract" id="belfb_CashPaidDuringPeriodForAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NetworkPowerSystemsMember" id="belfb_NetworkPowerSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NumberOfManufacturingServiceAgreement" id="belfb_NumberOfManufacturingServiceAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ProceedsFromSaleOfBusinessInEscrow" id="belfb_ProceedsFromSaleOfBusinessInEscrow" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="MagneticSolutionsMember" id="belfb_MagneticSolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PercentageOfIdentifiableAssets" id="belfb_PercentageOfIdentifiableAssets" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PowerSolutionsAndProtectionMember" id="belfb_PowerSolutionsAndProtectionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EntityWideRevenueMajorCustomerAbstract" id="belfb_EntityWideRevenueMajorCustomerAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ConnectivitySolutionMember" id="belfb_ConnectivitySolutionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AllOtherForeignCountriesMember" id="belfb_AllOtherForeignCountriesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CzechRepublicMember" id="belfb_CzechRepublicMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FibrecoAndBelPowerEuropeMember" id="belfb_FibrecoAndBelPowerEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EntityWideInformationNetSalesToExternalCustomersByGeographicAreaAndByMajorProductLineAbstract" id="belfb_EntityWideInformationNetSalesToExternalCustomersByGeographicAreaAndByMajorProductLineAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="NumberOfCustomersRepresentingSalesInExcessOfTenPercent" id="belfb_NumberOfCustomersRepresentingSalesInExcessOfTenPercent" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="CommonStockAbstract" id="belfb_CommonStockAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CommonStockTextBlock" id="belfb_CommonStockTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfCommonStockHeldByShareholderOne" id="belfb_PercentageOfCommonStockHeldByShareholderOne" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumPercentageOfCommonStockNeedsToHeldByShareholdersHavingMoreThanTenPercentOfClassCommonStockAsPerClassBProtectionClause" id="belfb_MinimumPercentageOfCommonStockNeedsToHeldByShareholdersHavingMoreThanTenPercentOfClassCommonStockAsPerClassBProtectionClause" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="MinimumPercentageOfOutstandingCommonStockHeldByTwoShareholders" id="belfb_MinimumPercentageOfOutstandingCommonStockHeldByTwoShareholders" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfShareholdersWithOwnershipInExcessOfTenPercent" id="belfb_NumberOfShareholdersWithOwnershipInExcessOfTenPercent" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfCommonStockHeldByShareholderTwo" id="belfb_PercentageOfCommonStockHeldByShareholderTwo" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageShareholdingOfClassBConsideredAsPerClassBProtectionClause" id="belfb_PercentageShareholdingOfClassBConsideredAsPerClassBProtectionClause" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfDaysFromTriggerDateToPurchaseClassBCommonShares" id="belfb_NumberOfDaysFromTriggerDateToPurchaseClassBCommonShares" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="IncreaseOrDecreaseInCashSurrenderValue" id="belfb_IncreaseOrDecreaseInCashSurrenderValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="InvestmentsHeldInRabbiTrustMember" id="belfb_InvestmentsHeldInRabbiTrustMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PowerSolutionsAndConnectivitySolutionsMember" id="belfb_PowerSolutionsAndConnectivitySolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="TrpAndArrayMember" id="belfb_TrpAndArrayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IntangibleAssetsAcquiredFiniteAndInfinite" id="belfb_IntangibleAssetsAcquiredFiniteAndInfinite" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="GrossCarryingAmountOfFiniteAndInfiniteIntangibleAssetsOtherThanGoodwill" id="belfb_GrossCarryingAmountOfFiniteAndInfiniteIntangibleAssetsOtherThanGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="PatentsLicensesAndTechnologyMember" id="belfb_PatentsLicensesAndTechnologyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PeriodForWhichBeneficiaryWillReceiveFiftyPercentAnnualBaseSalary" id="belfb_PeriodForWhichBeneficiaryWillReceiveFiftyPercentAnnualBaseSalary" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PeriodForWhichBeneficiaryIsEntitledToReceiveBenefit" id="belfb_PeriodForWhichBeneficiaryIsEntitledToReceiveBenefit" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="FairValueOfLifeInsurancePoliciesAndMarketableSecuritiesHeldInRabbiTrust" id="belfb_FairValueOfLifeInsurancePoliciesAndMarketableSecuritiesHeldInRabbiTrust" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PeriodForWhichBeneficiaryWillReceiveHundredPercentAnnualBaseSalary" id="belfb_PeriodForWhichBeneficiaryWillReceiveHundredPercentAnnualBaseSalary" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfParticipantSAnnualBaseSalaryReceivedByBeneficiaryForYearsTwoThroughFiveFollowingDateOfDeath" id="belfb_PercentageOfParticipantSAnnualBaseSalaryReceivedByBeneficiaryForYearsTwoThroughFiveFollowingDateOfDeath" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfParticipantContributionOne" id="belfb_PercentageOfParticipantContributionOne" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfParticipantContributionTwo" id="belfb_PercentageOfParticipantContributionTwo" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="PercentageOfParticipantSAnnualBaseSalaryReceivedByBeneficiaryForOneYearFromDateOfDeath" id="belfb_PercentageOfParticipantSAnnualBaseSalaryReceivedByBeneficiaryForOneYearFromDateOfDeath" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EarlyRetirementAge" id="belfb_EarlyRetirementAge" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfYearsOfPlanParticipation" id="belfb_NumberOfYearsOfPlanParticipation" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfConsecutiveCalendarYearsOfPlanParticipationToCalculateAverageBaseCompensation" id="belfb_NumberOfConsecutiveCalendarYearsOfPlanParticipationToCalculateAverageBaseCompensation" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SharesHeldInPlan" id="belfb_SharesHeldInPlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
  <xs:element name="NormalRetirementAge" id="belfb_NormalRetirementAge" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfMonthlyPaymentsUnderPlan" id="belfb_NumberOfMonthlyPaymentsUnderPlan" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EmployerMatchOfNextFivePercentCompensationContributedByParticipants" id="belfb_EmployerMatchOfNextFivePercentCompensationContributedByParticipants" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DefinedContributionPlanMaximumEmployeeDeferralUnderAsiaRetirementFund" id="belfb_DefinedContributionPlanMaximumEmployeeDeferralUnderAsiaRetirementFund" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EmployerMatchOfFirstOnePercentOfCompensationContributedByParticipants" id="belfb_EmployerMatchOfFirstOnePercentOfCompensationContributedByParticipants" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfYearsOfService" id="belfb_NumberOfYearsOfService" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfAverageBaseCompensationPayableAsNormalRetirementBenefitUnderPlan" id="belfb_PercentageOfAverageBaseCompensationPayableAsNormalRetirementBenefitUnderPlan" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="MinimumNumberOfMonthlyPaymentsEntitledToBeneficiaryInCaseParticipantDiesPriorToReceivingOneTwentyMonthlyPayments" id="belfb_MinimumNumberOfMonthlyPaymentsEntitledToBeneficiaryInCaseParticipantDiesPriorToReceivingOneTwentyMonthlyPayments" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DefinedContributionPlanMinimumEmployerContributionPercent" id="belfb_DefinedContributionPlanMinimumEmployerContributionPercent" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EmployeesSavingsPlanMember" id="belfb_EmployeesSavingsPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RetirementFundMember" id="belfb_RetirementFundMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FourZeroOneKPlanMember" id="belfb_FourZeroOneKPlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ComponentsOfIntangibleAssetsInfiniteAndFiniteTableTextBlock" id="belfb_ComponentsOfIntangibleAssetsInfiniteAndFiniteTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfExcessOfEstimatedFairValuesOverCarryingValueIncludingGoodwillTableTextBlock" id="belfb_ScheduleOfExcessOfEstimatedFairValuesOverCarryingValueIncludingGoodwillTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DeferredFinancingCostsAmortizationPeriod" id="belfb_DeferredFinancingCostsAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="EffectiveLibor" id="belfb_EffectiveLibor" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfCapitalStockOfForeignSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" id="belfb_PercentageOfCapitalStockOfForeignSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NewSecuredCreditAgreementMember" id="belfb_NewSecuredCreditAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DeferredFinancingCosts" id="belfb_DeferredFinancingCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AvailableToBorrowWithoutViolatingOurLeverageRatioCovenant" id="belfb_AvailableToBorrowWithoutViolatingOurLeverageRatioCovenant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="TermLoanMember" id="belfb_TermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="DelayedDrawTermLoanMember" id="belfb_DelayedDrawTermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EstimatedNetSetUpInFairValueRelatedToPropertyPlantAndEquipment" id="belfb_EstimatedNetSetUpInFairValueRelatedToPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="BusinessCombinationCostOfAcquiredEntityPurchasePrice" id="belfb_BusinessCombinationCostOfAcquiredEntityPurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="FairValueOfIdentifiableIntangibleAssetsAbstract" id="belfb_FairValueOfIdentifiableIntangibleAssetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CompensationExpenseEqualToGrantDateFairValueOfTheseRestrictedShares" id="belfb_CompensationExpenseEqualToGrantDateFairValueOfTheseRestrictedShares" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted" id="belfb_BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AcquiredCompanies1Member" id="belfb_AcquiredCompanies1Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AcquiredCompanies2014Member" id="belfb_AcquiredCompanies2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="EmersonNetworkPowerConnectivitySolutionsMember" id="belfb_EmersonNetworkPowerConnectivitySolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="GigacomFibrecoAndBelPowerEuropeMember" id="belfb_GigacomFibrecoAndBelPowerEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="Acquisition4Member" id="belfb_Acquisition4Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="BusinessCombinationContingentConsiderationAtFairValue" id="belfb_BusinessCombinationContingentConsiderationAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AcquisitionRelatedCostsIncurredButExcludedFromProFormaEarningsDuringPeriodAfterTax" id="belfb_AcquisitionRelatedCostsIncurredButExcludedFromProFormaEarningsDuringPeriodAfterTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses" id="belfb_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="EstimatedNetSetUpInFairValueRelatedToInventories" id="belfb_EstimatedNetSetUpInFairValueRelatedToInventories" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="AcquisitionRelatedCostsExcludedFromProFormaNetEarnings" id="belfb_AcquisitionRelatedCostsExcludedFromProFormaNetEarnings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="NumberOfRestrictedSharesGrantedForAcquisition" id="belfb_NumberOfRestrictedSharesGrantedForAcquisition" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="FederalStateAndLocalJurisdictionMember" id="belfb_FederalStateAndLocalJurisdictionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="FibrecoAndGigacomAndPowerBoxMember" id="belfb_FibrecoAndGigacomAndPowerBoxMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CapitalTaxCarryforwardGrossAmount" id="belfb_CapitalTaxCarryforwardGrossAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CapitalLossCarryforwardValuationAllowance" id="belfb_CapitalLossCarryforwardValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PowerSolutionsAndEmersonNetworkPowerConnectivitySolutionsMember" id="belfb_PowerSolutionsAndEmersonNetworkPowerConnectivitySolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxesTable" id="belfb_IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxesLineItems" id="belfb_IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MacaoCorporateProfitTaxRate" id="belfb_MacaoCorporateProfitTaxRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DeferredTaxLiabilitiesAcquired" id="belfb_DeferredTaxLiabilitiesAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PriorYearLiabilityUncertainTaxPositionsYear1" id="belfb_PriorYearLiabilityUncertainTaxPositionsYear1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="IncomeTaxReconciliationIncreaseDecreaseInEffectiveIncomeTaxRateAbstract" id="belfb_IncomeTaxReconciliationIncreaseDecreaseInEffectiveIncomeTaxRateAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxReconciliationValuationAllowances" id="belfb_IncomeTaxReconciliationValuationAllowances" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxReconciliationIncreaseDecreaseInTaxesAbstract" id="belfb_IncomeTaxReconciliationIncreaseDecreaseInTaxesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxReconciliationValuationAllowance" id="belfb_IncomeTaxReconciliationValuationAllowance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="IncomeTaxExaminationsYearUnderExamination" id="belfb_IncomeTaxExaminationsYearUnderExamination" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="GigacomMember" id="belfb_GigacomMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="IncomeTaxExaminationYearsNotSubjectToExamination" id="belfb_IncomeTaxExaminationYearsNotSubjectToExamination" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiabilitiesCurrentAndNonCurrent" id="belfb_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiabilitiesCurrentAndNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="PeopleSRepublicOfChinaCorporateProfitTaxRate" id="belfb_PeopleSRepublicOfChinaCorporateProfitTaxRate" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReversal" id="belfb_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReversal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ExpectedIncreaseInIncomeTaxBenefit" id="belfb_ExpectedIncreaseInIncomeTaxBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="IncreaseInIncomeTaxBenefit" id="belfb_IncreaseInIncomeTaxBenefit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="AdditionsRelatingToAcquisitions" id="belfb_AdditionsRelatingToAcquisitions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="DeferredTaxAssetsAcquired" id="belfb_DeferredTaxAssetsAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="DividendsPaidPerShareAbstract" id="belfb_DividendsPaidPerShareAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOMEAbstract" id="belfb_ACCUMULATEDOTHERCOMPREHENSIVELOSSINCOMEAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ChangesInAccumulatedOtherComprehensiveLossByComponentRollForward" id="belfb_ChangesInAccumulatedOtherComprehensiveLossByComponentRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AccumulatedOtherComprehensiveIncomeLossTaxEffectAbstract" id="belfb_AccumulatedOtherComprehensiveIncomeLossTaxEffectAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTaxEffect" id="belfb_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTaxEffect" id="belfb_AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTaxEffect" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="NumberOfIndustryInWhichEntityOperates" id="belfb_NumberOfIndustryInWhichEntityOperates" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AcquiredCompaniesMember" id="belfb_AcquiredCompaniesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="InterconnectMember" id="belfb_InterconnectMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="CircuitProtectionMember" id="belfb_CircuitProtectionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="MagneticsMember" id="belfb_MagneticsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ModulesMember" id="belfb_ModulesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfChangesInAccumulatedOtherComprehensiveLossByComponentTableTextBlock" id="belfb_ScheduleOfChangesInAccumulatedOtherComprehensiveLossByComponentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="AssetDisposalCostsRelatedToRestructuring" id="belfb_AssetDisposalCostsRelatedToRestructuring" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="TransportationOfEquipmentMember" id="belfb_TransportationOfEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="RestructuringCashPaymentsAndOtherSettlements" id="belfb_RestructuringCashPaymentsAndOtherSettlements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="QuarterlyFinancialInformationTable" id="belfb_QuarterlyFinancialInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="QuarterlyFinancialInformationLineItems" id="belfb_QuarterlyFinancialInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfNetBenefitCostsAmountRecognizedInBalanceSheetAndAccumulatedOtherComprehensiveIncomeTableTextBlock" id="belfb_ScheduleOfNetBenefitCostsAmountRecognizedInBalanceSheetAndAccumulatedOtherComprehensiveIncomeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfAmountsRecognizedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock" id="belfb_ScheduleOfAmountsRecognizedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="TransfersInOutBetweenLevels" id="belfb_TransfersInOutBetweenLevels" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="DocumentAndEntityInformationAbstract" id="belfb_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PaymentToSynqor" id="belfb_PaymentToSynqor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="AmountReceivedFromCustomer" id="belfb_AmountReceivedFromCustomer" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="SynqorIncMember" id="belfb_SynqorIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="HaloElectronicsIncMember" id="belfb_HaloElectronicsIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="OutstandingPurchaseOrdersRelatedToCapitalExpenditures" id="belfb_OutstandingPurchaseOrdersRelatedToCapitalExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="OutstandingPurchaseOrdersRelatedToRawMaterials" id="belfb_OutstandingPurchaseOrdersRelatedToRawMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="CashDividendsDeclaredOnClassBCommonStock" id="belfb_CashDividendsDeclaredOnClassBCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="CashDividendsDeclaredOnCommonStock" id="belfb_CashDividendsDeclaredOnCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="ScheduleOfRestructuringChargesTableTextBlock" id="belfb_ScheduleOfRestructuringChargesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfAcquisitionsSegmentSalesAndIncomeFromOperationsTableTextBlock" id="belfb_ScheduleOfAcquisitionsSegmentSalesAndIncomeFromOperationsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfEntityWideInformationRevenueFromExternalCustomersByGeographicAreaAndProductLineTableTextBlock" id="belfb_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByGeographicAreaAndProductLineTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="StandardProductWarrantyAccrualAdjustmentsRelatedToPreExistingWarrantiesIncludingChangesInEstimates" id="belfb_StandardProductWarrantyAccrualAdjustmentsRelatedToPreExistingWarrantiesIncludingChangesInEstimates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="StandardProductWarrantyAccrualChargesAndCostsAccrued" id="belfb_StandardProductWarrantyAccrualChargesAndCostsAccrued" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="AccruedSubcontractingLabor" id="belfb_AccruedSubcontractingLabor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="InventoryPurchasePaymentFromJointVenture" id="belfb_InventoryPurchasePaymentFromJointVenture" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="JointVentureLiability" id="belfb_JointVentureLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
</xs:schema>