<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
financial statements of Alpha Industries, Inc. and Subsidiaries as of and for
the twelve months ended March 28, 1999 and is qualified in its entirety by
reference to such financial statements.
This schedule has been updated to reflect the two-for-one common stock split
distributed on April 19, 2000.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> MAR-28-1999
<PERIOD-END> MAR-28-1999
<CASH> 14,029
<SECURITIES> 9,731
<RECEIVABLES> 23,713
<ALLOWANCES> 741
<INVENTORY> 8,773
<CURRENT-ASSETS> 62,823
<PP&E> 104,701
<DEPRECIATION> 62,204
<TOTAL-ASSETS> 106,681
<CURRENT-LIABILITIES> 20,136
<BONDS> 713
0
0
<COMMON> 8,026
<OTHER-SE> 72,988
<TOTAL-LIABILITY-AND-EQUITY> 106,681
<SALES> 126,339
<TOTAL-REVENUES> 126,339
<CGS> 71,131
<TOTAL-COSTS> 106,784
<OTHER-EXPENSES> 56
<LOSS-PROVISION> 295
<INTEREST-EXPENSE> (726)
<INCOME-PRETAX> 20,225
<INCOME-TAX> (1,265)
<INCOME-CONTINUING> 21,490
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 21,490
<EPS-BASIC> 0.68
<EPS-DILUTED> 0.66
</TABLE>