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):  January 29, 2010

                                  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 2.01   Completion of Acquisition or Disposition of Assets.

     On  January  29,  2010,  Bel  Fuse  Inc.,  a New  Jersey  corporation  (the
     "Registrant"),   completed  its  acquisition  of  all  of  the  issued  and
     outstanding  capital stock (the "Stock") of Cinch Connectors,  Inc. ("Cinch
     U.S.") and Cinch  Connectors  Limited ("Cinch  U.K.").  Pursuant to a stock
     purchase  agreement,  dated as of December 28, 2009,  among the Registrant,
     Safran USA, Inc.  ("Safran U.S.") and Safran UK Limited ("Safran U.K." and,
     together with Safran U.S., the "Sellers"),  the Registrant acquired (i) the
     Stock of  Cinch U.S. from Safran U.S. and (ii) the Stock of Cinch U.K. from
     Safran U.K., in exchange for an aggregate  purchase price of  approximately
     $37,500,000.00 in cash plus approximately  $1,500,000.00 for the assumption
     of certain expenses. The cash portion of the purchase price was funded with
     cash  on  hand.  The  final  purchase  price  remains  subject  to  certain
     adjustments  related  to  working  capital.  As part of the stock  purchase
     agreement, the Registrant also indirectly acquired, through its acquisition
     of Cinch U.S.,  approximately  99.9% of the issued and outstanding  capital
     stock of Cinch Connectors de Mexico, S.A. de C.V. ("Cinch MX" and, together
     with Cinch U.S. and Cinch U.K., the "Cinch Companies"),  which such capital
     stock is owned by Cinch U.S.  The other approximately  0.1% of Cinch MX was
     transferred from Labinal  Investments,  Inc., a wholly-owned  subsidiary of
     Safran  U.S.,  to Bel  Ventures  Inc.,  a  wholly-owned  subsidiary  of the

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

          The Registrant has issued a press release  describing the  acquisition
     of the Cinch Companies.

Item 9.01   Financial Statements and Exhibits.

          (c)   Exhibits

          Exhibit 99.1 - Press release dated January 29, 2010.


          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:  January 29, 2010

                                  EXHIBIT INDEX

          Exhibit 99.1 - Press release dated January 29, 2010.