<TABLE> <S> <C>

<ARTICLE>                                  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BEL FUSE
INC. AND SUBSIDIARIES FINANCIAL STATEMENTS AT SEPTEMBER 30, 1999 AND THE NINE
MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                               1

<S>                                                     <C>
<PERIOD-TYPE>                                           12-MOS
<FISCAL-YEAR-END>                                                   DEC-31-1999
<PERIOD-END>                                                        SEP-30-1999
<CASH>                                                               21,219,756
<SECURITIES>                                                          1,901,596
<RECEIVABLES>                                                        20,456,746
<ALLOWANCES>                                                            317,000
<INVENTORY>                                                          24,799,782
<CURRENT-ASSETS>                                                     68,954,071
<PP&E>                                                               67,357,102
<DEPRECIATION>                                                       30,550,511
<TOTAL-ASSETS>                                                      118,283,683
<CURRENT-LIABILITIES>                                                13,125,206
<BONDS>                                                                       0
<COMMON>                                                                525,439
<PREFERRED-MANDATORY>                                                         0
<PREFERRED>                                                                   0
<OTHER-SE>                                                          103,518,038
<TOTAL-LIABILITY-AND-EQUITY>                                        118,283,683
<SALES>                                                              89,747,178
<TOTAL-REVENUES>                                                     89,747,178
<CGS>                                                                57,858,865
<TOTAL-COSTS>                                                        72,676,066
<OTHER-EXPENSES>                                                              0
<LOSS-PROVISION>                                                              0
<INTEREST-EXPENSE>                                                            0
<INCOME-PRETAX>                                                      17,609,010
<INCOME-TAX>                                                          2,455,000
<INCOME-CONTINUING>                                                  15,154,010
<DISCONTINUED>                                                                0
<EXTRAORDINARY>                                                               0
<CHANGES>                                                                     0
<NET-INCOME>                                                         15,154,010
<EPS-BASIC>                                                              2.90
<EPS-DILUTED>                                                              2.82



</TABLE>