<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 1999
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<CASH>                                          60,574
<SECURITIES>                                    26,420
<RECEIVABLES>                                   18,356
<ALLOWANCES>                                         0
<INVENTORY>                                     28,046
<CURRENT-ASSETS>                               145,362
<PP&E>                                          32,668
<DEPRECIATION>                                  15,393
<TOTAL-ASSETS>                                 163,784
<CURRENT-LIABILITIES>                           23,980
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         9,828
<OTHER-SE>                                     128,457
<TOTAL-LIABILITY-AND-EQUITY>                   163,784
<SALES>                                         29,526
<TOTAL-REVENUES>                                29,526
<CGS>                                           19,164
<TOTAL-COSTS>                                   19,164
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  2,091
<INCOME-TAX>                                       700
<INCOME-CONTINUING>                              1,391
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,391
<EPS-PRIMARY>                                      .14
<EPS-DILUTED>                                      .14