UNITED STATES                                                           OMB APPROVAL
                       SECURITIES AND EXCHANGE COMMISSION                                         ----------------------------
                             WASHINGTON, D.C. 20549                                               OMB Number: 3235-0058
                                                                                                  Expires:  January 31, 2005
                                   FORM 12b-25                                                    Estimated average burden
                                                                                                  hours per response....2.50
                           NOTIFICATION OF LATE FILING                                            ----------------------------
                                                                                                        SEC FILE NUMBER
(Check One):  [ ] Form 10-K  [ ] Form 20-F  [ ] Form 11-K  [X] Form 10-Q  [ ] Form N-SAR                    0-11676
            For Period Ended:    June 30, 2003
                                 -----------------------------------                              ----------------------------
                                                                                                  CUSIP NUMBER
            [   ]    Transition Report on Form 10-K                                               ----------------------------
            [   ]    Transition Report on Form 20-F
            [   ]    Transition Report on Form 11-K
            [   ]    Transition Report on Form 10-Q
            [   ]    Transition Report on Form N-SAR
            For the Transition Period Ended:

  Read Instruction (on back page) Before Preparing Form. Please Print or Type.


If the notification relates to a portion of the filing checked above, identify
the Item(s) to which the notification relates:



             BEL FUSE INC                             Full Name of Registrant

             Not Applicable                           Former Name if Applicable

             206 VAN VORST STREET                     Address of Principal
 Executive Office (Street and Number)

             JERSEY CITY, NEW JERSEY  07302           City, State and Zip Code

PART II-RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate)

             (a)   The reasons described in reasonable detail in Part III of
                   this form could not be eliminated without unreasonable effort
                   or expense;

             (b)   The subject annual report, semi-annual report, transition
                   report on Form 10-K, Form 20-F, 11-K, Form N-SAR, or
                   portion thereof, will be filed on or before the fifteenth
      [ X ]        calendar day following the prescribed due date; or the
                   subject quarterly report of transition report on Form 10-Q,
                   or portion thereof will be filed on or before the fifth
                   calendar day following the prescribed due date; and

             (c)   The accountant's statement or other exhibit required by Rule
                   12b-25(c) has been attached if applicable.


State below in reasonable detail the reasons why the Form 10-K, 11-K, 10-Q,
N-SAR, or the transition report or portion hereof, could not be filed within the
prescribed time period. (ATTACH EXTRA SHEETS IF NEEDED)

The Registrant shall be unable to file its Form 10-Q for the quarter ended June
30, 2003 in a timely fashion without unreasonable effort and expense because its
financial statements for the subject quarter are not complete.


(1)  Name and telephone number of person to contact in regard to this

     DANIEL BERNSTEIN                       201              432-0463
     ------------------------------     -----------  -------------------------
                 (Name)                 (Area Code)      (Telephone Number)

(2)  Have all other periodic reports required under Section 13 or 15(d) of the
     Securities Exchange Act of 1934 or Section 30 of the Investment Company Act
     of 1940 during the preceding 12 months (or for such shorter) period that
     the registrant was required to file such reports) been filed? If answer is
     no, identify report(s).                   [ X ] Yes       [  ]  No


(3)  Is it anticipated that any significant change in results of operations from
     the corresponding period for the last fiscal year will be reflected by the
     earnings statements to be included in the subject report or portion
     thereof?                                  [  ] Yes        [ X ] No

     If so, attach an explanation of the anticipated change, both narratively
     and quantitatively, and, if appropriate, state the reasons why a reasonable
     estimate of the results cannot be made.


                                 Bel Fuse Inc
                  (Name of Registrant as Specified in Charter)

     has caused this notification to be signed on its behalf by the undersigned
     hereunto duly authorized.

Date     AUGUST 14, 2003                By    /s/ Daniel Bernstein
         -----------------------               ----------------------------

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly authorized representative. The name and title of the person
signing the form shall be typed or printed beneath the signature. If the
statement is signed on behalf of the registrant by an authorized representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

                    CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).

                              GENERAL INSTRUCTIONS

1.   This form is required by Rule 12b-25 (17 CFR 240.12b-25) of the General
     Rules and Regulations under the Securities Exchange Act of 1934.

2.   One signed original and four conformed copies of this form and amendments
     thereto must be completed and filed with the Securities and Exchange
     Commission, Washington, D.C. 20549, in accordance with Rule 0-3 of the
     General Rules and Regulations under the Act. The information contained in
     or filed with the form will be made a matter of public record in the
     Commission files.

3.   A manually signed copy of the form and amendments thereto shall be filed
     with each national securities exchange on which any class of securities of
     the registrant is registered.

4.   Amendments to the notifications must also be filed on form 12b-25 but need
     not restate information that has been correctly furnished. The form shall
     be clearly identified as an amended notification.

5.   Electronic filers. This form shall not be used by electronic filers unable
     to timely file a report solely due to electronic difficulties. Filers
     unable to submit a report within the time period prescribed due to
     difficulties in electronic filing should comply with either Rule 201 or
     Rule 202 of Regulation S-T (ss.232.201 or ss.232.202 of this chapter) or
     apply for an adjustment in filing date pursuant to Rule 13(b) of Regulation
     S-T (ss.232.12(b) of this Chapter).