UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934



                DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED)
                                September 9, 2004



                                  BEL FUSE INC.
              ----------------------------------------------------
               (Exact name of registrant as specified in charter)


                                   New Jersey
              ----------------------------------------------------
                 (State or other jurisdiction of incorporation)



            000-11676                                      22-1463699
- -----------------------------------          -----------------------------------
     (Commission File Number)                  (IRS Employer Identification No.)



         206 Van Vorst Street, Jersey City, New Jersey        07302
- --------------------------------------------------------------------------------
           (Address of principal executive offices)         (Zip Code)




     Registrant's telephone number, including area code:  (201) 432-0463

     Check  the   appropriate   box  below  if  the  Form  8-K  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2 below):  N/A


Item 8.01. Other Events. On September 9, 2004, Bel Fuse Inc. announced it filed a Schedule 13D with the Securities and Exchange Commission disclosing its acquisition of 2,037,500 shares, or approximately 5.2% of the outstanding common stock of Artesyn Technologies, Inc. A copy of the press release is attached to this Current Report on Form 8-K as Exhibit 99.1. (c) Exhibits 99.1 Press release dated September 9, 2004. SIGNATURES Pursuant to the requirements of the Securities and Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. BEL FUSE INC. Date: September 10, 2004 By:/s/ Colin W. Dunn -------------------- ---------------------------------- Name: Colin W. Dunn Title: Vice President EXHIBIT INDEX EXHIBIT NO. DESCRIPTION - ----------- ----------- 99.1 Press Release of Bel Fuse Inc., dated September 9, 2004.

                                  Exhibit 99.1


[TRADEMARK]                                                        Bel Fuse Inc.
                                                            206 Van Vorst Street
                                                          Jersey City,  NJ 07302
                              FOR IMMEDIATE RELEASE              www.belfuse.com
                                                                tel 201.432.0463
                                                                fax 201.432.9542


Investor Contact:                                               Company Contact:
 Neil Berkman Associates                                        Daniel Bernstein
 (310) 277-5162                                                        President
 info@berkmanassociates.com                                       (201) 432-0463


                              BEL Acquires 5.2% of
                       Artesyn Technologies' Common Stock

          JERSEY  CITY,  New  Jersey,   September  9,  2004  --  Bel  Fuse  Inc.
     (NASDAQ:BELFA & NASDAQ:BELFB)  announced today that it has filed a Schedule
     13D with the Securities and Exchange Commission  disclosing its acquisition
     of 2,037,500 shares, or approximately  5.2% of the outstanding common stock
     of Artesyn Technologies,  Inc.  (NASDAQ:ATSN).  The shares were acquired in
     open market transactions through September 1, 2004 at an aggregate purchase
     price of approximately $16, 350,000.

     About Bel
          Bel  (www.belfuse.com)  and its subsidiaries are primarily  engaged in
     the  design,   manufacture   and  sale  of  products  used  in  networking,
     telecommunications,  high speed data transmission,  automotive and consumer
     electronics.   Products  include  magnetics  (discrete  components,   power
     transformers and MagJack(R) connectors with integrated magnetics),  modules
     (DC/DC  converters,  integrated analog front end modules,  custom designs),
     circuit  protection   (miniature,   micro  and  surface  mount  fuses)  and
     interconnect  devices  (passive  jacks,  plugs and cable  assemblies).  The
     Company operates facilities around the world.

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