<ARTICLE>                  5

<LEGEND>

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BEL
FUSE INC. AND SUBSIDIARIES FINANCIAL STATEMENTS AT SEPTEMBER 30, 1997
AND THE NINE MONTHS THEN ENDED AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>
<MULTIPLIER>               1

       

                                  
<PERIOD-TYPE>                        9-MOS
<FISCAL-YEAR-END>                                      DEC-31-1997
<PERIOD-END>                                           SEP-30-1997
<CASH>                                                  24,871,426
<SECURITIES>                                             2,472,654
<RECEIVABLES>                                            9,998,863
<ALLOWANCES>                                               195,000
<INVENTORY>                                             11,710,759
<CURRENT-ASSETS>                                        49,487,092
<PP&E>                                                  53,360,341
<DEPRECIATION>                                          24,295,058
<TOTAL-ASSETS>                                          79,243,293
<CURRENT-LIABILITIES>                                    8,915,854
<BONDS>                                                          0
<COMMON>                                                   511,042
<PREFERRED-MANDATORY>                                            0
<PREFERRED>                                                      0
<OTHER-SE>                                              68,912,397
<TOTAL-LIABILITY-AND-EQUITY>                            79,243,293
<SALES>                                                 53,119,948
<TOTAL-REVENUES>                                        53,119,948
<CGS>                                                   37,165,097
<TOTAL-COSTS>                                           47,059,729
<OTHER-EXPENSES>                                                 0
<LOSS-PROVISION>                                                 0
<INTEREST-EXPENSE>                                               0
<INCOME-PRETAX>                                          7,105,464
<INCOME-TAX>                                             1,488,000
<INCOME-CONTINUING>                                      5,617,464
<DISCONTINUED>                                                   0
<EXTRAORDINARY>                                                  0
<CHANGES>                                                        0
<NET-INCOME>                                             5,617,464
<EPS-PRIMARY>                                                 1.11
<EPS-DILUTED>                                                    0