<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME STATEMENT FOR THE THREE-MONTH PERIOD ENDED MARCH 31, 2000, AND THE BALANCE SHEET AS OF MARCH 31, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> MAR-31-2000 <CASH> 15,555 <SECURITIES> 8,531 <RECEIVABLES> 19,369 <ALLOWANCES> 255 <INVENTORY> 12,830 <CURRENT-ASSETS> 62,414 <PP&E> 25,794 <DEPRECIATION> 15,483 <TOTAL-ASSETS> 80,358 <CURRENT-LIABILITIES> 11,395 <BONDS> 174 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 78 <OTHER-SE> 65,657 <TOTAL-LIABILITY-AND-EQUITY> 80,358 <SALES> 13,309 <TOTAL-REVENUES> 15,722 <CGS> 5,180 <TOTAL-COSTS> 6,246 <OTHER-EXPENSES> 7,280 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 8 <INCOME-PRETAX> 2,481 <INCOME-TAX> 794 <INCOME-CONTINUING> 1,687 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,687 <EPS-BASIC> 0.22 <EPS-DILUTED> 0.20