<ARTICLE> 5 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> MAR-31-1998 <EXCHANGE-RATE> 1 <CASH> 24,248 <SECURITIES> 3,997 <RECEIVABLES> 18,312 <ALLOWANCES> (375) <INVENTORY> 9,039 <CURRENT-ASSETS> 62,093 <PP&E> 23,437 <DEPRECIATION> 6,957 <TOTAL-ASSETS> 101,378 <CURRENT-LIABILITIES> 11,851 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 8 <OTHER-SE> 86,546 <TOTAL-LIABILITY-AND-EQUITY> 101,378 <SALES> 25,030 <TOTAL-REVENUES> 25,030 <CGS> 12,180 <TOTAL-COSTS> 22,927 <OTHER-EXPENSES> (1,134) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (56) <INCOME-PRETAX> 1,232 <INCOME-TAX> 1,851 <INCOME-CONTINUING> (619) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (619) <EPS-PRIMARY> (0.08) <EPS-DILUTED> (0.08)