Document:

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                                                                    Exhibit 10.9

                          ON SEMICONDUCTOR CORPORATION
                            2000 STOCK INCENTIVE PLAN
                      NON-QUALIFIED STOCK OPTION AGREEMENT

         This Option Agreement is made and entered into by and between ON
Semiconductor Corporation ("Company") and DARIO SACOMANI ("Optionee"), as of the
21st day of February, 2001 ("Date of Grant").

                                    RECITALS

     A. The Board of Directors of the Company has adopted the ON Semiconductor
Corporation (formerly known as SCG Holding Corporation) 2000 Stock Incentive
Plan, as amended (the "Plan"), as an incentive to retain key employees,
officers, and consultants of the Company and to enhance the ability of the
Company to attract new employees, officers and consultants whose services are
considered unusually valuable by providing an opportunity for them to have a
proprietary interest in the success of the Company.

     B. The Board has approved the granting of options to the Optionee pursuant
to the Plan to provide an incentive to the Optionee to focus on the long-term
growth of the Company.

     In consideration of the mutual covenants and conditions hereinafter set
forth and for other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the Company and the Optionee agree as follows:

     1. GRANT OF OPTION. The Company hereby grants to the Optionee the right and
option (hereinafter referred to as the "Option") to purchase an aggregate of
100,000 shares (such number being subject to adjustment as provided in paragraph
11 hereof and Section 14 of the Plan) of the Common Stock of the Company (the
"Stock") on the terms and conditions herein set forth. This Option may be
exercised in whole or in part and from time to time as hereinafter provided. The
Option granted under this Agreement is NOT intended to be an "incentive stock
option" as set forth in Section 422 of the Internal Revenue Code of 1986, as
amended.

     2. VESTING OF OPTION. The Option shall vest and become exercisable in
accordance with the schedule below:

          25% of the Option grant shall become exercisable on February 21, 2002;

          25% of the Option grant shall become exercisable on February 21, 2003;

          25% of the Option grant shall become exercisable on February 21, 2004;

          25% of the Option grant shall become exercisable on February 21, 2005.

     3. PURCHASE PRICE. The price at which the Optionee shall be entitled to
purchase the Stock covered by the Option shall be $6.125 per share (i.e., the
closing price of the Company's commons stock on February 21, 2001).
<PAGE>   2
     4. TERM OF OPTION. The Option granted under this Agreement shall expire,
unless otherwise exercised, ten years from the Date of Grant, through and
including the normal close of business of the Company on February 21, 2011
("Expiration Date"), subject to earlier termination as provided in paragraph 8
hereof.

     5. EXERCISE OF OPTION. The Option may be exercised by the Optionee as to
all or any part of the Stock then vested by delivery to the Company of written
notice of exercise and payment of the purchase price as provided in paragraphs 6
and 7 hereof.

     6. METHOD OF EXERCISING OPTION. Subject to the terms and conditions of this
Option Agreement, the Option may be exercised by timely delivery to the Company
of written notice, which notice shall be effective on the date received by the
Company ("Effective Date"). The notice shall state the Optionee's election to
exercise the Option, the number of shares in respect of which an election to
exercise has been made, the method of payment elected (see paragraph 7 hereof),
the exact name or names in which the shares will be registered and the Social
Security number of the Optionee. Such notice shall be signed by the Optionee and
shall be accompanied by payment of the purchase price of such shares. In the
event the Option shall be exercised by a person or persons other than Optionee
pursuant to paragraph 8 hereof, such notice shall be signed by such other person
or persons and shall be accompanied by proof acceptable to the Company of the
legal right of such person or persons to exercise the Option. All shares
delivered by the Company upon exercise of the Option shall be fully paid and
nonassessable upon delivery.

     7. METHOD OF PAYMENT FOR OPTIONS. Payment for shares purchased upon the
exercise of the Option shall be made by the Optionee in cash,
previously-acquired Stock held for more than six months (through actual tender
or by attestation), broker-assisted cashless exercise arrangement, or such other
method permitted by the Board and communicated to the Optionee in writing prior
to the date the Optionee exercises all or any portion of the Option.

     8. TERMINATION OF EMPLOYMENT OR SERVICES.

     8.1 GENERAL. If the Optionee terminates employment or otherwise ceases to
perform services for the Company for any reason other than death or Disability,
then the Optionee may at any time within 90 days after the effective date of
termination of employment or services exercise the Option to the extent that the
Optionee was entitled to exercise the Option at the date of termination,
provided that the Option shall lapse immediately upon a termination for Cause.
In no event shall the Option be exercisable after the Expiration Date.

     8.2 DEATH OR DISABILITY OF OPTIONEE. In the event of the death or
Disability (as that term is defined in the Plan) of the Optionee within a period
during which the Option, or any part thereof, could have been exercised by the
Optionee, including 90 days after termination of employment or services (the
"Option Period"), the Option shall lapse unless it is exercised within the
Option Period and in no event later than twelve (12) months after the date of
the Optionee's death or Disability by the Optionee or the Optionee's legal
representative or representatives in the case of a Disability or, in the case of
death, by the person or persons entitled to do so under the Optionee's last will
and testament or if the Optionee fails to make a

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testamentary disposition of such Option or shall die intestate, by the person or
persons entitled to receive such Option under the applicable laws of descent and
distribution. An Option may be exercised following the death or Disability of
the Optionee only if the Option was exercisable by the Optionee immediately
prior to his death or Disability. In no event shall the Option be exercisable
after the Expiration Date. The Board shall have the right to require evidence
satisfactory to it of the rights of any person or persons seeking to exercise
the Option under this paragraph 8 to exercise the Option.

     9. NONTRANSFERABILITY. The Option granted by this Option Agreement shall be
exercisable only during the term of the Option provided in paragraph 4 hereof
and, except as provided in paragraph 8 above, only by the Optionee during his
lifetime and while an Optionee of the Company. Except as otherwise permitted by
the Committee, this Option shall not be transferable by the Optionee or any
other person claiming through the Optionee, either voluntarily or involuntarily,
except by will or the laws of descent and distribution.

     10. MARKET STAND-OFF AGREEMENT. The Optionee, if requested by the Company
and an underwriter of Stock (or other securities) of the Company, agrees not to
sell or otherwise transfer or dispose of any Stock (or other securities) of the
Company held by the Optionee during the period not to exceed 180 days as
requested by the managing underwriter following the effective date of a
registration statement of the Company filed under the Securities Act. Such
agreement shall be in writing in a form satisfactory to the Company and such
underwriter. The Company may impose stop transfer instructions with respect to
the Stock (or other securities) subject to the foregoing restriction until the
end of such project.

     11. ADJUSTMENTS IN NUMBER OF SHARES AND OPTION PRICE. In the event of a
stock dividend or in the event the Stock shall be changed into or exchanged for
a different number or class of shares of stock of the Company or of another
corporation, whether through reorganization, recapitalization, stock split-up,
combination of shares, merger or consolidation, there shall be substituted for
each such remaining share of Stock then subject to this Option the number and
class of shares of stock into which each outstanding share of Stock shall be so
exchanged, all without any change in the aggregate purchase price for the shares
then subject to the Option, all as set forth in Section 14 of the Plan.

     12. DELIVERY OF SHARES. No shares of Stock shall be delivered upon exercise
of the Option until (i) the purchase price shall have been paid in full in the
manner herein provided; (ii) applicable taxes required to be withheld have been
paid or withheld in full; (iii) approval of any governmental authority required
in connection with the Option, or the issuance of shares thereunder, has been
received by the Company; and (iv) if required by the Board, the Optionee has
delivered to the Board an Investment Letter in form and content satisfactory to
the Company as provided in paragraph 13 hereof.

     13. SECURITIES ACT. The Company shall not be required to deliver any shares
of Stock pursuant to the exercise of all or any part of the Option if, in the
opinion of counsel for the Company, such issuance would violate the Securities
Act of 1933 or any other applicable federal or state securities laws or
regulations. The Board may require that the Optionee, prior to the issuance of
any such shares pursuant to exercise of the Option, sign and deliver to the
Company a written statement ("Investment Letter") stating (i) that the Optionee
is purchasing the

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shares for investment and not with a view to the sale or distribution thereof;
(ii) that the Optionee will not sell any shares received upon exercise of the
Option or any other shares of the Company that the Optionee may then own or
thereafter acquire except either (a) through a broker on a national securities
exchange or (b) with the prior written approval of the Company; and (iii)
containing such other terms and conditions as counsel for the Company may
reasonably require to assure compliance with the Securities Act of 1933 or other
applicable federal or state securities laws and regulations. Such Investment
Letter shall be in form and content acceptable to the Board in its sole
discretion.

     14. DEFINITIONS; COPY OF PLAN. To the extent not specifically provided
herein, all capitalized terms used in this Option Agreement shall have the same
meanings ascribed to them in the Plan. By the execution of this Agreement, the
Optionee acknowledges receipt of a copy of the Plan.

     15. ADMINISTRATION. This Option Agreement shall at all times be subject to
the terms and conditions of the Plan and the Plan shall in all respects be
administered by the Board in accordance with the terms of and as provided in the
Plan. The Board shall have the sole and complete discretion with respect to all
matters reserved to it by the Plan and decisions of the majority of the Board
with respect thereto and to this Option Agreement shall be final and binding
upon the Optionee and the Company. In the event of any conflict between the
terms and conditions of this Option Agreement and the Plan, the provisions of
the Plan shall control.

     16. CONTINUATION OF EMPLOYMENT OR SERVICES. This Option Agreement shall not
be construed to confer upon the Optionee any right to continue in the employ of,
or providing services to, the Company and shall not limit the right of the
Company, in its sole discretion, to terminate the employment or services of the
Optionee at any time.

     17. OBLIGATION TO EXERCISE. The Optionee shall have no obligation to
exercise any option granted by this Agreement.

     18. GOVERNING LAW. This Option Agreement shall be interpreted and
administered under the laws of the State of Delaware.

     19. AMENDMENTS. This Option Agreement may be amended only by a written
agreement executed by the Company and the Optionee. The Company and the Optionee
acknowledge that changes in federal tax laws enacted subsequent to the Date of
Grant, and applicable to stock options, may provide for tax benefits to the
Company or the Optionee. In any such event, the Company and the Optionee agree
that this Option Agreement may be amended as necessary to secure for the Company
and the Optionee any benefits that may result from such legislation. Any such
amendment shall be made only upon the mutual consent of the parties, which
consent (of either party) may be withheld for any reason.

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         IN WITNESS WHEREOF, the Company has caused this Option Agreement to be
signed by its duly authorized representative and the Optionee has signed this
Option Agreement as of the date first written above.

                           ON SEMICONDUCTOR CORPORATION

                           By:   /s/ George H. Cave
                                 -----------------------------------------------
                           Its:  Vice President & Secretary
                                 -----------------------------------------------

                           DARIO SACOMANI (OPTIONEE)

                           By:   /s/ Dario Sacomani
                                 -----------------------------------------------

                                       5<PAGE>   1
                                                               EXHIBIT 10.10
                          ON SEMICONDUCTOR CORPORATION
                            2000 STOCK INCENTIVE PLAN
                      NON-QUALIFIED STOCK OPTION AGREEMENT

         This Option Agreement is made and entered into by and between ON
Semiconductor Corporation ("Company") and MICHAEL ROHLEDER ("Optionee"), as of
the 21st day of February, 2001 ("Date of Grant").

                                    RECITALS

         A. The Board of Directors of the Company has adopted the ON
Semiconductor Corporation (formerly known as SCG Holding Corporation) 2000 Stock
Incentive Plan, as amended (the "Plan"), as an incentive to retain key
employees, officers, and consultants of the Company and to enhance the ability
of the Company to attract new employees, officers and consultants whose services
are considered unusually valuable by providing an opportunity for them to have a
proprietary interest in the success of the Company.

         B. The Board has approved the granting of options to the Optionee
pursuant to the Plan to provide an incentive to the Optionee to focus on the
long-term growth of the Company.

         In consideration of the mutual covenants and conditions hereinafter set
forth and for other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the Company and the Optionee agree as follows:

          1. GRANT OF OPTION. The Company hereby grants to the Optionee the
right and option (hereinafter referred to as the "Option") to purchase an
aggregate of 533,000 shares (such number being subject to adjustment as provided
in paragraph 11 hereof and Section 14 of the Plan) of the Common Stock of the
Company (the "Stock") on the terms and conditions herein set forth. This Option
may be exercised in whole or in part and from time to time as hereinafter
provided. The Option granted under this Agreement is NOT intended to be an
"incentive stock option" as set forth in Section 422 of the Internal Revenue
Code of 1986, as amended.

          2. VESTING OF OPTION. The Option shall vest and become exercisable in
accordance with the schedule below:

         25% of the Option grant shall become exercisable on February 21, 2002;

         25% of the Option grant shall become exercisable on February 21, 2003;

         25% of the Option grant shall become exercisable on February 21, 2004;

         25% of the Option grant shall become exercisable on February 21, 2005.

          3. PURCHASE PRICE. The price at which the Optionee shall be entitled
to purchase the Stock covered by the Option shall be $6.125 per share (i.e., the
closing price of the Company's common stock on February 21, 2001).

<PAGE>   2

         4. TERM OF OPTION. The Option granted under this Agreement shall
expire, unless otherwise exercised, ten years from the Date of Grant, through
and including the normal close of business of the Company on February 21, 2011
("Expiration Date"), subject to earlier termination as provided in paragraph 8
hereof.

          5. EXERCISE OF OPTION. The Option may be exercised by the Optionee as
to all or any part of the Stock then vested by delivery to the Company of
written notice of exercise and payment of the purchase price as provided in
paragraphs 6 and 7 hereof.

          6. METHOD OF EXERCISING OPTION. Subject to the terms and conditions of
this Option Agreement, the Option may be exercised by timely delivery to the
Company of written notice, which notice shall be effective on the date received
by the Company ("Effective Date"). The notice shall state the Optionee's
election to exercise the Option, the number of shares in respect of which an
election to exercise has been made, the method of payment elected (see paragraph
7 hereof), the exact name or names in which the shares will be registered and
the Social Security number of the Optionee. Such notice shall be signed by the
Optionee and shall be accompanied by payment of the purchase price of such
shares. In the event the Option shall be exercised by a person or persons other
than Optionee pursuant to paragraph 8 hereof, such notice shall be signed by
such other person or persons and shall be accompanied by proof acceptable to the
Company of the legal right of such person or persons to exercise the Option. All
shares delivered by the Company upon exercise of the Option shall be fully paid
and nonassessable upon delivery.

          7. METHOD OF PAYMENT FOR OPTIONS. Payment for shares purchased upon
the exercise of the Option shall be made by the Optionee in cash,
previously-acquired Stock held for more than six months (through actual tender
or by attestation), broker-assisted cashless exercise arrangement, or such other
method permitted by the Board and communicated to the Optionee in writing prior
to the date the Optionee exercises all or any portion of the Option.

          8. TERMINATION OF EMPLOYMENT OR SERVICES.

          8.1 GENERAL. If the Optionee terminates employment or otherwise ceases
to perform services for the Company for any reason other than death or
Disability, then the Optionee may at any time within 90 days after the effective
date of termination of employment or services exercise the Option to the extent
that the Optionee was entitled to exercise the Option at the date of
termination, provided that the Option shall lapse immediately upon a termination
for Cause. In no event shall the Option be exercisable after the Expiration
Date.

          8.2 DEATH OR DISABILITY OF OPTIONEE. In the event of the death or
Disability (as that term is defined in the Plan) of the Optionee within a period
during which the Option, or any part thereof, could have been exercised by the
Optionee, including 90 days after termination of employment or services (the
"Option Period"), the Option shall lapse unless it is exercised within the
Option Period and in no event later than twelve (12) months after the date of
the Optionee's death or Disability by the Optionee or the Optionee's legal
representative or representatives in the case of a Disability or, in the case of
death, by the person or persons entitled to do so under the Optionee's last will
and testament or if the Optionee fails to make a

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<PAGE>   3
testamentary disposition of such Option or shall die intestate, by the person or
persons entitled to receive such Option under the applicable laws of descent and
distribution. An Option may be exercised following the death or Disability of
the Optionee only if the Option was exercisable by the Optionee immediately
prior to his death or Disability. In no event shall the Option be exercisable
after the Expiration Date. The Board shall have the right to require evidence
satisfactory to it of the rights of any person or persons seeking to exercise
the Option under this paragraph 8 to exercise the Option.

          9. NONTRANSFERABILITY. The Option granted by this Option Agreement
shall be exercisable only during the term of the Option provided in paragraph 4
hereof and, except as provided in paragraph 8 above, only by the Optionee during
his lifetime and while an Optionee of the Company. Except as otherwise permitted
by the Committee, this Option shall not be transferable by the Optionee or any
other person claiming through the Optionee, either voluntarily or involuntarily,
except by will or the laws of descent and distribution.

          10. MARKET STAND-OFF AGREEMENT. The Optionee, if requested by the
Company and an underwriter of Stock (or other securities) of the Company, agrees
not to sell or otherwise transfer or dispose of any Stock (or other securities)
of the Company held by the Optionee during the period not to exceed 180 days as
requested by the managing underwriter following the effective date of a
registration statement of the Company filed under the Securities Act. Such
agreement shall be in writing in a form satisfactory to the Company and such
underwriter. The Company may impose stop transfer instructions with respect to
the Stock (or other securities) subject to the foregoing restriction until the
end of such project.

          11. ADJUSTMENTS IN NUMBER OF SHARES AND OPTION PRICE. In the event of
a stock dividend or in the event the Stock shall be changed into or exchanged
for a different number or class of shares of stock of the Company or of another
corporation, whether through reorganization, recapitalization, stock split-up,
combination of shares, merger or consolidation, there shall be substituted for
each such remaining share of Stock then subject to this Option the number and
class of shares of stock into which each outstanding share of Stock shall be so
exchanged, all without any change in the aggregate purchase price for the shares
then subject to the Option, all as set forth in Section 14 of the Plan.

          12. DELIVERY OF SHARES. No shares of Stock shall be delivered upon
exercise of the Option until (i) the purchase price shall have been paid in full
in the manner herein provided; (ii) applicable taxes required to be withheld
have been paid or withheld in full; (iii) approval of any governmental authority
required in connection with the Option, or the issuance of shares thereunder,
has been received by the Company; and (iv) if required by the Board, the
Optionee has delivered to the Board an Investment Letter in form and content
satisfactory to the Company as provided in paragraph 13 hereof.

          13. SECURITIES ACT. The Company shall not be required to deliver any
shares of Stock pursuant to the exercise of all or any part of the Option if, in
the opinion of counsel for the Company, such issuance would violate the
Securities Act of 1933 or any other applicable federal or state securities laws
or regulations. The Board may require that the Optionee, prior to the issuance
of any such shares pursuant to exercise of the Option, sign and deliver to the
Company a written statement ("Investment Letter") stating (i) that the Optionee
is purchasing the

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shares for investment and not with a view to the sale or distribution thereof;
(ii) that the Optionee will not sell any shares received upon exercise of the
Option or any other shares of the Company that the Optionee may then own or
thereafter acquire except either (a) through a broker on a national securities
exchange or (b) with the prior written approval of the Company; and (iii)
containing such other terms and conditions as counsel for the Company may
reasonably require to assure compliance with the Securities Act of 1933 or other
applicable federal or state securities laws and regulations. Such Investment
Letter shall be in form and content acceptable to the Board in its sole
discretion.

          14. DEFINITIONS; COPY OF PLAN. To the extent not specifically provided
herein, all capitalized terms used in this Option Agreement shall have the same
meanings ascribed to them in the Plan. By the execution of this Agreement, the
Optionee acknowledges receipt of a copy of the Plan.

          15. ADMINISTRATION. This Option Agreement shall at all times be
subject to the terms and conditions of the Plan and the Plan shall in all
respects be administered by the Board in accordance with the terms of and as
provided in the Plan. The Board shall have the sole and complete discretion with
respect to all matters reserved to it by the Plan and decisions of the majority
of the Board with respect thereto and to this Option Agreement shall be final
and binding upon the Optionee and the Company. In the event of any conflict
between the terms and conditions of this Option Agreement and the Plan, the
provisions of the Plan shall control.

          16. CONTINUATION OF EMPLOYMENT OR SERVICES. This Option Agreement
shall not be construed to confer upon the Optionee any right to continue in the
employ of, or providing services to, the Company and shall not limit the right
of the Company, in its sole discretion, to terminate the employment or services
of the Optionee at any time.

          17. OBLIGATION TO EXERCISE. The Optionee shall have no obligation to
exercise any option granted by this Agreement.

          18. GOVERNING LAW. This Option Agreement shall be interpreted and
administered under the laws of the State of Delaware.

          19. AMENDMENTS. This Option Agreement may be amended only by a written
agreement executed by the Company and the Optionee. The Company and the Optionee
acknowledge that changes in federal tax laws enacted subsequent to the Date of
Grant, and applicable to stock options, may provide for tax benefits to the
Company or the Optionee. In any such event, the Company and the Optionee agree
that this Option Agreement may be amended as necessary to secure for the Company
and the Optionee any benefits that may result from such legislation. Any such
amendment shall be made only upon the mutual consent of the parties, which
consent (of either party) may be withheld for any reason.

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<PAGE>   5

         IN WITNESS WHEREOF, the Company has caused this Option Agreement to be
signed by its duly authorized representative and the Optionee has signed this
Option Agreement as of the date first written above.

                                  ON SEMICONDUCTOR CORPORATION

                                   By:   /s/ George H. Cave
                                         --------------------------------------
                                   Its:   Vice President & Secretary
                                         --------------------------------------

                                  MICHAEL ROHLEDER (OPTIONEE)

                                  By:   /s/ Michael Rohleder
                                        ----------------------------------------

                                       5

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