<SEC-DOCUMENT>0000310568-15-000271-index.html : 20151218
<SEC-HEADER>0000310568-15-000271.hdr.sgml : 20151218
<ACCEPTANCE-DATETIME>20151218162101
ACCESSION NUMBER:		0000310568-15-000271
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20151218
DATE AS OF CHANGE:		20151218
EFFECTIVENESS DATE:		20151218

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MICROSEMI CORP
		CENTRAL INDEX KEY:			0000310568
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				952110371
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1002

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-08866
		FILM NUMBER:		151297060

	BUSINESS ADDRESS:	
		STREET 1:		ONE ENTERPRISE
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656
		BUSINESS PHONE:		949-380-6100

	MAIL ADDRESS:	
		STREET 1:		ONE ENTERPRISE
		CITY:			ALISO VIEJO
		STATE:			CA
		ZIP:			92656

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MICROSEMICONDUCTOR CORP
		DATE OF NAME CHANGE:	19830323
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>proxystatement2015-definit.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: proxystatement2015-definit.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>msccnotice2015page1.jpg
<TEXT>
Document 2 - file: msccnotice2015page1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>msccnotice2015page2.jpg
<TEXT>
Document 3 - file: msccnotice2015page2.jpg

</DOCUMENT>
</SEC-DOCUMENT>