<ARTICLE> 5 <MULTIPLIER> 1000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> MAR-31-1999 <PERIOD-END> MAR-31-1999 <CASH> 28,190 <SECURITIES> 1,366 <RECEIVABLES> 11,880 <ALLOWANCES> 1,020 <INVENTORY> 11,330 <CURRENT-ASSETS> 54,718 <PP&E> 34,221 <DEPRECIATION> 18,275 <TOTAL-ASSETS> 74,589 <CURRENT-LIABILITIES> 11,909 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 20,895 <OTHER-SE> 41,785 <TOTAL-LIABILITY-AND-EQUITY> 74,589 <SALES> 50,721 <TOTAL-REVENUES> 50,721 <CGS> 28,867 <TOTAL-COSTS> 45,428 <OTHER-EXPENSES> 130 <LOSS-PROVISION> 485 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 7,144 <INCOME-TAX> 1,810 <INCOME-CONTINUING> 5,334 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,334 <EPS-BASIC> 0.44 <EPS-DILUTED> 0.44