EXHIBIT 10.3

                                IXYS CORPORATION
                           1999 EQUITY INCENTIVE PLAN

                             STOCK OPTION AGREEMENT
                   (INCENTIVE AND NONSTATUTORY STOCK OPTIONS)

Pursuant to your Certificate of Stock Option Grant on the AST Stockplan website
("Certificate") and this Stock Option Agreement, IXYS Corporation (the
"Company") has granted you an option under its 1999 Equity Incentive Plan (the
"Plan") to purchase the number of shares of the Company's Common Stock indicated
in your Certificate at the exercise price indicated in your Certificate. Defined
terms not explicitly defined in this Stock Option Agreement but defined in the
Plan shall have the same definitions as in the Plan.

The details of your option are as follows:

            1.    VESTING. Subject to the limitations contained herein, your
                  option will vest as provided in your Certificate, provided
                  that vesting will cease upon the termination of your
                  Continuous Service.

            2.    NUMBER OF SHARES AND EXERCISE PRICE. The number of shares of
                  Common Stock subject to your option and your exercise price
                  per share referenced in your Certificate may be adjusted from
                  time to time for Capitalization Adjustments, as provided in
                  the Plan.

            3.    METHOD OF PAYMENT. Payment of the exercise price is due in
                  full upon exercise of all or any part of your option. You may
                  elect to make payment of the exercise price in cash or by
                  check or in any other manner PERMITTED BY THE COMPANY, which
                  may include one or more of the following:

                        a.    In the Company's sole discretion at the time your
                              option is exercised and provided that at the time
                              of exercise the Common Stock is publicly traded
                              and quoted regularly in The Wall Street Journal,
                              pursuant to a program developed under Regulation T
                              as promulgated by the Federal Reserve Board that,
                              prior to the issuance of Common Stock, results in
                              either the receipt of cash (or check) by the
                              Company or the receipt of irrevocable instructions
                              to pay the aggregate exercise price to the Company
                              from the sales proceeds.

                        b.    Provided that at the time of exercise the Common
                              Stock is publicly traded and quoted regularly in
                              The Wall Street Journal, by delivery of
                              already-owned shares of Common Stock either that
                              you have held for the period required to avoid a
                              charge to the Company's reported earnings
                              (generally six months) or that you did not
                              acquire, directly or indirectly from the Company,
                              that are owned free and clear of any liens,
                              claims, encumbrances or security interests, and
                              that are valued at Fair Market Value on the date
                              of exercise. "Delivery" for these purposes, in the
                              sole discretion of the Company at the time you
                              exercise your option, shall include delivery to
                              the Company of your attestation of ownership of
                              such shares of Common Stock in a form approved by
                              the Company.

                              Notwithstanding the foregoing, you may not
                              exercise your option by tender to the Company of
                              Common Stock to the extent such tender would
                              violate the provisions of any law, regulation or
                              agreement restricting the redemption of the
                              Company's stock.

            4.    WHOLE SHARES. You may exercise your option only for whole
                  shares of Common Stock.

            5.    SECURITIES LAW COMPLIANCE. Notwithstanding anything to the
                  contrary contained herein, you may not exercise your option
                  unless the shares of Common Stock issuable upon such exercise
                  are then registered under the Securities Act or, if such
                  shares of Common Stock are not then so registered, the Company
                  has determined that such exercise and issuance would be exempt
                  from the registration requirements of the Securities Act. The
                  exercise of your option must also comply with other applicable
                  laws and regulations governing your option, and you may not
                  exercise your option if the Company determines that such
                  exercise would not be in material compliance with such laws
                  and regulations.

            6.    TERM. The term of your option commences on the Date of Grant
                  and expires upon the EARLIEST of the following:

                        a.    three (3) months after the termination of your
                              Continuous Service for any reason other than your
                              Disability or death, provided that if during any
                              part of such three- (3-) month period your option
                              is not exercisable solely because of the condition
                              set forth in the preceding paragraph relating to
                              "Securities Law Compliance," your option shall not
                              expire until the earlier of the Expiration Date or
                              until it shall have been exercisable for an
                              aggregate period of three (3) months after the
                              termination of your Continuous Service;

                        b.    twelve (12) months after the termination of your
                              Continuous Service due to your Disability;

                        c.    eighteen (18) months after your death if you die
                              either during your Continuous Service or within
                              three (3) months after your Continuous Service
                              terminates;

                        d.    the Expiration Date indicated in your Certificate;
                              or

                        e.    the tenth (10th) anniversary of the Date of Grant.

                  If your option is an incentive stock option, note that, to
                  obtain the federal income tax advantages associated with an
                  "incentive stock option," the Code requires that at all times
                  beginning on the date of grant of your option and ending on
                  the day three (3) months before the date of your option's
                  exercise, you must be an employee of the Company or an
                  Affiliate, except in the event of your death or Disability.
                  The Company has provided for extended exercisability of your
                  option under certain circumstances for your benefit but cannot
                  guarantee that your option will necessarily be treated as an
                  "incentive stock option" if you continue to provide services
                  to the Company or an Affiliate as a Consultant or Director
                  after your employment terminates or if you otherwise exercise
                  your option more than three (3) months after the date your
                  employment terminates.

            7.    EXERCISE.

                        a.    You may exercise the vested portion of your option
                              (and the unvested portion of your option if your
                              Certificate so permits) during its term by
                              delivering a Notice of Exercise (in a form
                              designated by the Company) together with the
                              exercise price to the Secretary of the Company, or
                              to such other person as the Company may designate,
                              during regular business hours, together with such
                              additional documents as the Company may then
                              require.

                        b.    By exercising your option you agree that, as a
                              condition to any exercise of your option, the
                              Company may require you to enter into an

                              arrangement providing for the payment by you to
                              the Company of any tax withholding obligation of
                              the Company arising by reason of (1) the exercise
                              of your option, (2) the lapse of any substantial
                              risk of forfeiture to which the shares of Common
                              Stock are subject at the time of exercise, or (3)
                              the disposition of shares of Common Stock acquired
                              upon such exercise.

                        c.    If your option is an incentive stock option, by
                              exercising your option you agree that you will
                              notify the Company in writing within fifteen (15)
                              days after the date of any disposition of any of
                              the shares of the Common Stock issued upon
                              exercise of your option that occurs within two (2)
                              years after the date of your option grant or
                              within one (1) year after such shares of Common
                              Stock are transferred upon exercise of your
                              option.

            8.    TRANSFERABILITY. Your option is not transferable, except by
                  will or by the laws of descent and distribution, and is
                  exercisable during your life only by you. Notwithstanding the
                  foregoing, by delivering written notice to the Company, in a
                  form satisfactory to the Company, you may designate a third
                  party who, in the event of your death, shall thereafter be
                  entitled to exercise your option.

            9.    RIGHT OF REPURCHASE. To the extent provided in the Company's
                  bylaws as amended from time to time, the Company shall have
                  the right to repurchase all or any part of the shares of
                  Common Stock you acquire pursuant to the exercise of your
                  option.

            10.   OPTION NOT A SERVICE CONTRACT. Your option is not an
                  employment or service contract, and nothing in your option
                  shall be deemed to create in any way whatsoever any obligation
                  on your part to continue in the employ of the Company or an
                  Affiliate, or of the Company or an Affiliate to continue your
                  employment. In addition, nothing in your option shall obligate
                  the Company or an Affiliate, their respective shareholders,
                  Boards of Directors, Officers or Employees to continue any
                  relationship that you might have as a Director or Consultant
                  for the Company or an Affiliate.

            11.   WITHHOLDING OBLIGATIONS.

                        a.    At the time you exercise your option, in whole or
                              in part, or at any time thereafter as requested by
                              the Company, you hereby authorize withholding from
                              payroll and any other amounts payable to you, and
                              otherwise agree to make adequate provision for
                              (including by means of a "cashless exercise"
                              pursuant to a program developed under Regulation T
                              as promulgated by the Federal Reserve Board to the
                              extent permitted by the Company), any sums
                              required to satisfy the federal, state, local and
                              foreign tax withholding obligations of the Company
                              or an Affiliate, if any, which arise in connection
                              with your option.

                        b.    Upon your request and subject to approval by the
                              Company, in its sole discretion, and compliance
                              with any applicable conditions or restrictions of
                              law, the Company may withhold from fully vested
                              shares of Common Stock otherwise issuable to you
                              upon the exercise of your option a number of whole
                              shares of Common Stock having a Fair Market Value,
                              determined by the Company as of the date of
                              exercise, not in excess of the minimum amount of
                              tax required to be withheld by law. If the date of
                              determination of any tax withholding obligation is
                              deferred to a date later than the date of exercise
                              of your option, share withholding pursuant to the
                              preceding sentence shall not be permitted unless
                              you make a proper and timely election under
                              Section 83(b) of the Code, covering the aggregate
                              number of shares of Common Stock acquired upon
                              such exercise with respect to which such
                              determination is otherwise deferred, to accelerate
                              the determination of such tax withholding
                              obligation to the date of exercise of your option.
                              Notwithstanding the filing of such election,
                              shares of Common Stock shall be withheld solely
                              from fully vested shares of Common Stock
                              determined as of the date of exercise of

                              your option that are otherwise issuable to you
                              upon such exercise. Any adverse consequences to
                              you arising in connection with such share
                              withholding procedure shall be your sole
                              responsibility.

                        c.    You may not exercise your option unless the tax
                              withholding obligations of the Company and/or any
                              Affiliate are satisfied. Accordingly, you may not
                              be able to exercise your option when desired even
                              though your option is vested, and the Company
                              shall have no obligation to issue a certificate
                              for such shares of Common Stock or release such
                              shares of Common Stock from any escrow provided
                              for herein.

            12.   NOTICES. Any notices provided for in your option or the Plan
                  shall be given in writing and shall be deemed effectively
                  given upon receipt or, in the case of notices delivered by
                  mail by the Company to you, five (5) days after deposit in the
                  United States mail, postage prepaid, addressed to you at the
                  last address you provided to the Company.

            13.   GOVERNING PLAN DOCUMENT. Your option is subject to all the
                  provisions of the Plan, the provisions of which are hereby
                  made a part of your option, and is further subject to all
                  interpretations, amendments, rules and regulations which may
                  from time to time be promulgated and adopted pursuant to the
                  Plan. In the event of any conflict between the provisions of
                  your option and those of the Plan, the provisions of the Plan
                  shall control.

                         IXYS 1999 EQUITY INCENTIVE PLAN

                        CERTIFICATE OF STOCK OPTION GRANT

GRANTED TO:                          THIS STOCK OPTION WAS GRANTED TO YOU
                                     ON                   BY IXYS
SOCIAL SECURITY                      CORPORATION. THE STOCK OPTION PRICE
NUMBER:                              IS THE FMV ON THE DATE OF GRANT,
                                     WHICH WAS $          .
EMPLOYEE ID:

OPTION TO PURCHASE:                                Top of Form
                                     ----------------------------------------
TYPE OF STOCK OPTION:                            Bottom of Form

GRANT NUMBER:

GRANT DATE:

GRANT EXPIRATION DATE:

GRANT PRICE:

VESTING SCHEDULE
VESTING START DATE:



                       SHARES VESTING     VESTING IN PERIOD    LAST DATE TO
      DATE OF VEST     OVER THE PERIOD    OCCURS               EXERCISE
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      Authorized by:
      IXYS CORPORATION