<SEC-DOCUMENT>0000812295-17-000074-index.html : 20170213
<SEC-HEADER>0000812295-17-000074.hdr.sgml : 20170213
<ACCEPTANCE-DATETIME>20170213143834
ACCESSION NUMBER:		0000812295-17-000074
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170213
DATE AS OF CHANGE:		20170213

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-60483
		FILM NUMBER:		17598281

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			JANUS CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0000812295
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				753019302
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		151 DETROIT ST.
		CITY:			DENVER
		STATE:			CO
		ZIP:			80206-4805
		BUSINESS PHONE:		3033333863

	MAIL ADDRESS:	
		STREET 1:		151 DETROIT ST.
		CITY:			DENVER
		STATE:			CO
		ZIP:			80206-4805

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JANUS CAPITAL GROUP INC
		DATE OF NAME CHANGE:	20030103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JANUS CAPITAL MANAGEMENT LLC
		DATE OF NAME CHANGE:	20020424

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	JANUS CAPITAL CORP
		DATE OF NAME CHANGE:	19931213
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>on2102017.txt
<DESCRIPTION>ON
<TEXT>
Document 1 - file: on2102017.txt

</DOCUMENT>
</SEC-DOCUMENT>