<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONSOLIDATED 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-01-1998
<PERIOD-END>                                   MAR-31-1998
<CASH>                                              21,196
<SECURITIES>                                             0
<RECEIVABLES>                                       31,202
<ALLOWANCES>                                           672
<INVENTORY>                                         20,935
<CURRENT-ASSETS>                                    76,483
<PP&E>                                              13,206
<DEPRECIATION>                                       8,881
<TOTAL-ASSETS>                                      95,419
<CURRENT-LIABILITIES>                               15,621
<BONDS>                                                  0
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                            51,886
<OTHER-SE>                                          27,610
<TOTAL-LIABILITY-AND-EQUITY>                        95,419
<SALES>                                             33,663
<TOTAL-REVENUES>                                    33,663
<CGS>                                               21,544
<TOTAL-COSTS>                                        7,638
<OTHER-EXPENSES>                                         0
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                     326
<INCOME-PRETAX>                                      4,807
<INCOME-TAX>                                         1,682
<INCOME-CONTINUING>                                  3,125
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                         3,125
<EPS-PRIMARY>                                         0.40
<EPS-DILUTED>                                         0.39