<ARTICLE>                  5
<LEGEND>
     THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BEL
     FUSE INC. AND SUBSIDIARIES FINANCIAL STATEMENTS AT DECEMBER 31, 1998 AND
     THE TWELVE MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
     TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>      1

       
                                  
<PERIOD-TYPE>                        12-MOS
<FISCAL-YEAR-END>                                      DEC-31-1998
<PERIOD-END>                                           DEC-31-1998
<CASH>                                                  14,923,685
<SECURITIES>                                                     0
<RECEIVABLES>                                           17,389,537
<ALLOWANCES>                                               317,000
<INVENTORY>                                             21,847,563
<CURRENT-ASSETS>                                        54,481,654
<PP&E>                                                  62,659,162
<DEPRECIATION>                                          27,187,664
<TOTAL-ASSETS>                                         103,624,628
<CURRENT-LIABILITIES>                                   13,672,469
<BONDS>                                                          0
<COMMON>                                                   520,662
<PREFERRED-MANDATORY>                                            0
<PREFERRED>                                                      0
<OTHER-SE>                                              88,285,497
<TOTAL-LIABILITY-AND-EQUITY>                           103,624,628
<SALES>                                                 90,754,195
<TOTAL-REVENUES>                                        90,754,195
<CGS>                                                   58,654,040
<TOTAL-COSTS>                                           75,302,165
<OTHER-EXPENSES>                                                 0
<LOSS-PROVISION>                                                 0
<INTEREST-EXPENSE>                                               0
<INCOME-PRETAX>                                         17,030,820
<INCOME-TAX>                                             1,813,000
<INCOME-CONTINUING>                                     15,217,820
<DISCONTINUED>                                                   0
<EXTRAORDINARY>                                                  0
<CHANGES>                                                        0
<NET-INCOME>                                            15,217,820
<EPS-PRIMARY>                                                 2.94
<EPS-DILUTED>                                                 2.89