<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                          18,101
<SECURITIES>                                     3,320
<RECEIVABLES>                                   29,243
<ALLOWANCES>                                     1,752
<INVENTORY>                                     23,262
<CURRENT-ASSETS>                                75,846
<PP&E>                                          16,879
<DEPRECIATION>                                   9,765
<TOTAL-ASSETS>                                 117,557
<CURRENT-LIABILITIES>                           12,504
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        85,244
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                   117,557
<SALES>                                         57,552
<TOTAL-REVENUES>                                57,552
<CGS>                                           24,145
<TOTAL-COSTS>                                   13,654
<OTHER-EXPENSES>                                 8,766
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   3
<INCOME-PRETAX>                                 11,876
<INCOME-TAX>                                     4,065
<INCOME-CONTINUING>                              7,811
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     7,811
<EPS-BASIC>                                        .42
<EPS-DILUTED>                                      .41