<ARTICLE>                  5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BEL FUSE
INC. AND SUBSIDIARIES FINANCIAL STATEMENTS AT MARCH 31, 2000 AND THE THREE
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-31-2000
<PERIOD-END>                                         MAR-31-2000
<CASH>                                                38,764,852
<SECURITIES>                                             359,357
<RECEIVABLES>                                         17,403,813
<ALLOWANCES>                                             670,000
<INVENTORY>                                           24,876,550
<CURRENT-ASSETS>                                      81,698,730
<PP&E>                                                68,944,039
<DEPRECIATION>                                        32,903,908
<TOTAL-ASSETS>                                       129,485,942
<CURRENT-LIABILITIES>                                 14,570,982
<BONDS>                                                        0
<COMMON>                                               1,057,496
<PREFERRED-MANDATORY>                                          0
<PREFERRED>                                                    0
<OTHER-SE>                                           113,060,464
<TOTAL-LIABILITY-AND-EQUITY>                         129,485,942
<SALES>                                               26,133,179
<TOTAL-REVENUES>                                      26,133,179
<CGS>                                                 16,704,445
<TOTAL-COSTS>                                         21,874,149
<OTHER-EXPENSES>                                               0
<LOSS-PROVISION>                                               0
<INTEREST-EXPENSE>                                             0
<INCOME-PRETAX>                                        5,735,801
<INCOME-TAX>                                           1,264,000
<INCOME-CONTINUING>                                    4,471,801
<DISCONTINUED>                                                 0
<EXTRAORDINARY>                                                0
<CHANGES>                                                      0
<NET-INCOME>                                           4,471,801
<EPS-BASIC>                                                .42
<EPS-DILUTED>                                                .41