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):  December 28, 2009

                                  BEL FUSE INC.
             (Exact Name of Registrant as Specified in its Charter)

                                   New Jersey
                 (State or Other Jurisdiction of Incorporation)

            0-11676                                        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  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

          [ ]   Written communications pursuant to Rule 425 under the Securities
Act (17 CFR 230.425)

          [ ]   Soliciting  material pursuant to  Rule 14a-12 under the Exchange
Act (17 CFR 240.14a-12)

          [ ]   Pre-commencement communications  pursuant to Rule 14d-2(b) under
the Exchange Act (17 CFR 240.14d-2(b))

          [ ]   Pre-commencement communications  pursuant to Rule 13e-4(c) under
the Exchange Act (17 CFR 240.13e-4(c))

Item 1.01   Entry into a Material Definitive Agreement.

                    On December 28, 2009,  the  Registrant  entered into a stock
          purchase agreement with Safran USA, Inc. ("Safran U.S.") and Safran UK
          Limited  (together  with Safran U.S., the  "Sellers").  Subject to the
          satisfaction  of certain  conditions,  including  the  consent  and/or
          approval of certain  third  parties  with  respect to the  transfer or
          assignment of certain  contractual  obligations and other liabilities,
          the stock purchase  agreement  provides for the sale to the Registrant
          or its designee of all of the issued and outstanding  capital stock of
          Cinch  Connectors,  Inc. ("Cinch U.S.") and Cinch  Connectors  Limited
          ("Cinch  U.K.")  in  exchange  for  an  aggregate  purchase  price  of
          $37,500,000.00 in cash,  funded with cash on hand, plus  approximately
          $1,500,000.00  for the  assumption  of  certain  expenses.  The  final
          purchase  price is subject to certain  adjustments  related to working
          capital.  As part of the stock purchase  agreement,  the Registrant or
          its designee shall also be acquiring all of the issued and outstanding
          capital stock of Cinch  Connectors de Mexico,  S.A. de C.V.  (together
          with Cinch U.S. and Cinch U.K., the "Cinch Companies"), 99.9% of which
          is owned by Cinch  U.S and  0.1% of  which  will be  transferred  from
          Labinal Investments, Inc., an affiliate of the Sellers.

                    The   Cinch   Companies   manufacture   a  broad   range  of
          interconnect  products for  customers  in the military and  aerospace,
          high-performance   computing,   telecom/datacom,   and  transportation

                    The  Registrant  has issued a press release  describing  the
          execution and delivery of the stock purchase agreement.

Item 9.01   Financial Statements and Exhibits.

          (c)   Exhibits

          Exhibit 99.1 - Press release dated December 28, 2009.


          Pursuant to the  requirements of the Securities  Exchange Act of 1934,
the  Registrant  has duly  caused  this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                               BEL FUSE INC.

                                           By: /s/ Colin Dunn
                                               Name:  Colin Dunn
                                               Title: Vice President of Finance

Dated:  December 28, 2009

                                  EXHIBIT INDEX

          Exhibit 99.1 - Press release dated December 28, 2009.