<ARTICLE>                           5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BEL FUSE
INC. AND SUBSIDIARIES FINANCIAL STATEMENTS AT JUNE 30, 1999 AND THE SIX 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-31-1999
<PERIOD-END>                        JUN-30-1999
<CASH>                                       15,806,562
<SECURITIES>                                          0
<RECEIVABLES>                                20,652,259
<ALLOWANCES>                                    317,000
<INVENTORY>                                  27,797,241
<CURRENT-ASSETS>                             64,725,264
<PP&E>                                       65,541,329
<DEPRECIATION>                               29,413,153
<TOTAL-ASSETS>                              113,778,565
<CURRENT-LIABILITIES>                        14,466,991
<BONDS>                                               0
<COMMON>                                        523,714
<PREFERRED-MANDATORY>                                 0
<PREFERRED>                                           0
<OTHER-SE>                                   97,973,860
<TOTAL-LIABILITY-AND-EQUITY>                113,778,565
<SALES>                                      59,210,700
<TOTAL-REVENUES>                             59,210,700
<CGS>                                        38,253,853
<TOTAL-COSTS>                                47,902,197
<OTHER-EXPENSES>                                      0
<LOSS-PROVISION>                                      0
<INTEREST-EXPENSE>                                    0
<INCOME-PRETAX>                              11,639,612
<INCOME-TAX>                                  1,801,000
<INCOME-CONTINUING>                           9,838,612
<DISCONTINUED>                                        0
<EXTRAORDINARY>                                       0
<CHANGES>                                             0
<NET-INCOME>                                  9,838,612
<EPS-BASIC>                                      1.88
<EPS-DILUTED>                                      1.83