<ARTICLE> 5
<LEGEND>
MICROSEMI CORPORATION AND SUBSIDIARIES UNAUDITED FINANCIAL DATA SCHEDULE FOR THE
SIX MONTHS ENDED APRIL 2, 2000 (IN THOUSANDS, EXCEPT EARNINGS PER SHARE)
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                           OCT-1-2000
<PERIOD-START>                              OCT-4-1999
<PERIOD-END>                                APR-2-2000
<CASH>                                           5,141
<SECURITIES>                                     1,095
<RECEIVABLES>                                   37,290
<ALLOWANCES>                                     4,693
<INVENTORY>                                     56,531
<CURRENT-ASSETS>                               104,442
<PP&E>                                         107,641
<DEPRECIATION>                                  51,833
<TOTAL-ASSETS>                                 193,125
<CURRENT-LIABILITIES>                           61,475
<BONDS>                                         30,215
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         2,291
<OTHER-SE>                                      57,788
<TOTAL-LIABILITY-AND-EQUITY>                   193,125
<SALES>                                        115,560
<TOTAL-REVENUES>                               115,560
<CGS>                                           84,833
<TOTAL-COSTS>                                   84,833
<OTHER-EXPENSES>                                  (22)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,381
<INCOME-PRETAX>                                  1,732
<INCOME-TAX>                                       572
<INCOME-CONTINUING>                              1,160
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,160
<EPS-BASIC>                                        .11
<EPS-DILUTED>                                      .10