<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE THREE MONTHS ENDED JUNE 30, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-2000
<PERIOD-START>                             APR-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                           2,913
<SECURITIES>                                    33,883
<RECEIVABLES>                                   23,099
<ALLOWANCES>                                     2,411
<INVENTORY>                                     18,556
<CURRENT-ASSETS>                                99,503
<PP&E>                                          32,030
<DEPRECIATION>                                  19,275
<TOTAL-ASSETS>                                 130,422
<CURRENT-LIABILITIES>                           16,631
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       134,066
<OTHER-SE>                                    (20,275)
<TOTAL-LIABILITY-AND-EQUITY>                   130,422
<SALES>                                         27,086
<TOTAL-REVENUES>                                27,086
<CGS>                                           15,840
<TOTAL-COSTS>                                   15,577
<OTHER-EXPENSES>                                    14
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 158
<INCOME-PRETAX>                                (4,345)
<INCOME-TAX>                                   (1,477)
<INCOME-CONTINUING>                            (2,868)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,868)
<EPS-BASIC>                                     (0.23)
<EPS-DILUTED>                                   (0.23)