Exhibit 99.2

                                  CERTIFICATION

Pursuant to Section 906 of the Public Company Accounting Reform and Investor
Protection Act of 2002 (18 U.S.C. Section 1350, as adopted), Nathan Zommer, the
Chief Executive Officer of IXYS Corporation (the "Company"), and Arnold P.
Agbayani, the Chief Financial Officer of the Company, each hereby certifies
that, to the best of his knowledge:

1.       The Company's Quarterly Report on Form 10-Q/A for the three-month
period ended December 31, 2002, to which this Certification is attached as
Exhibit 99.2 (the "Periodic Report"), fully complies with the requirements of
Section 13(a) or Section 15(d) of the Securities and Exchange Act of 1934, as
amended; and

2.       The information contained in the Periodic Report fairly presents, in
all material respects, the financial condition of the Company at the end of the
period covered by the Periodic Report and results of operations of the Company
for the period covered by the Periodic Report.

Dated: July 14, 2003

                            /s/ Nathan Zommer
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                            Nathan Zommer
                            Chief Executive Officer

                            /s/ Arnold P. Agbayani
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                            Arnold P. Agbayani
                            Chief Financial Officer