<SEC-DOCUMENT>0001193125-18-178491-index.html : 20180530
<SEC-HEADER>0001193125-18-178491.hdr.sgml : 20180530
<ACCEPTANCE-DATETIME>20180530161703
ACCESSION NUMBER:		0001193125-18-178491
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		7
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
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<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20171231
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FILED AS OF DATE:		20180530
DATE AS OF CHANGE:		20180530

FILER:

	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

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30419
		FILM NUMBER:		18868309

	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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<TYPE>SD
<SEQUENCE>1
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<DESCRIPTION>SD
<TEXT>
Document 1 - file: d591535dsd.htm

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<FILENAME>d591535dex101.htm
<DESCRIPTION>EX-1.01
<TEXT>
Document 2 - file: d591535dex101.htm

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<SEQUENCE>3
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<TEXT>
Document 3 - file: g591535g0522023415414.jpg

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<DOCUMENT>
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<SEQUENCE>4
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g591535g0522023415554.jpg

</DOCUMENT>
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<SEQUENCE>5
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Document 5 - file: g591535g20t09.jpg

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<SEQUENCE>6
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<TEXT>
Document 6 - file: g591535g28c12.jpg

</DOCUMENT>
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<SEQUENCE>7
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g591535g37x40.jpg

</DOCUMENT>
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