<SEC-DOCUMENT>0001193125-17-138903-index.html : 20170426
<SEC-HEADER>0001193125-17-138903.hdr.sgml : 20170426
<ACCEPTANCE-DATETIME>20170426133803
ACCESSION NUMBER:		0001193125-17-138903
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20170426
DATE AS OF CHANGE:		20170426
EFFECTIVENESS DATE:		20170426

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEMTECH CORP
		CENTRAL INDEX KEY:			0000088941
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				952119684
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0129

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06395
		FILM NUMBER:		17783496

	BUSINESS ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790
		BUSINESS PHONE:		8054982111

	MAIL ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790
</SEC-HEADER>
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<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d346147ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d346147ddefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g346147txpg01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g346147txpg01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g346147txpg02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g346147txpg02.jpg

</DOCUMENT>
</SEC-DOCUMENT>