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    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20190327
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20190327
    DATE AS OF CHANGE:		20190327

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    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ON SEMICONDUCTOR CORP
    		CENTRAL INDEX KEY:			0001097864
    		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
    		IRS NUMBER:				363840979
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

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    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-30419
    		FILM NUMBER:		19708612

    	BUSINESS ADDRESS:
    		STREET 1:		5005 EAST MCDOWELL ROAD
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85008
    		BUSINESS PHONE:		6022446600

    	MAIL ADDRESS:
    		STREET 1:		5005 EAST MCDOWELL ROAD
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85008

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SCG HOLDING CORP
    		DATE OF NAME CHANGE:	19991027
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