SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* El-Khoury Hassane (Last) (First) (Middle) 5005 EAST MCDOWELL ROAD (Street) PHOENIX AZ 85008 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ON SEMICONDUCTOR CORP [ ON ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) CEO & President
	3. Date of Earliest Transaction (Month/Day/Year) 12/07/2021
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common	12/07/2021		F		11,783(1)	D	$65.45	164,187(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This transaction represents shares withheld by the Issuer in connection with the vesting of certain restricted stock units granted to the Reporting Person on December 7, 2020 pursuant to the Issuer's Amended and Restated Stock Incentive Plan and the related award agreement. These shares were withheld to satisfy the Reporting Person's tax withholding obligations. The Issuer will pay these taxes on behalf of the Reporting Person.

2. Includes an aggregate of 311 shares, consisting of 146 shares and 165 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the calendar quarters ended June 30, 2021 and September 30, 2021, respectively.

Remarks:

Lauren C. Bellerjeau is signing on behalf of the Reporting Person pursuant to a Power of Attorney attached hereto as Exhibit 24.

	/s/ Lauren C. Bellerjeau, Attorney-in-Fact	12/09/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Exhibit 24

POWER OF ATTORNEY
(Hassane El-Khoury)


	I hereby appoint Pamela L. Tondreau, Lauren C. Bellerjeau, and Thad Trent, and
each of them, attorney-in-fact for me, each with full power of substitution, to
prepare, execute, and deliver on my behalf reports required to be filed by me
pursuant to Section 16 of the Securities Exchange Act of 1934, as amended
("Section 16"), and Rule 144 and Rule 145 under the Securities Act of 1933, as
amended (singly or collectively, "Rule 144"), and any and all related documents
and instruments.  Among other things, each attorney-in-fact is authorized to
file original reports (either electronically or otherwise), signed by me or on
my behalf, on Forms 3, 4, and 5, and Form 144 with the Securities and Exchange
Commission, any and all related documents and instruments, and to provide any
necessary copies of such signed forms, documents, and instruments to The NASDAQ
Stock Market and ON Semiconductor Corporation as required by the rules under
Section 16 and Rule 144 as in effect from time to time.

	This power of attorney is effective from the date hereof and shall remain in
effect until revoked or terminated.

Dated: October 25, 2021

/s/ HASSANE EL-KHOURY
Hassane El-Khoury