<SEC-DOCUMENT>0001571049-15-009997-index.html : 20151216
<SEC-HEADER>0001571049-15-009997.hdr.sgml : 20151216
<ACCEPTANCE-DATETIME>20151216074245
ACCESSION NUMBER:		0001571049-15-009997
CONFORMED SUBMISSION TYPE:	S-4
PUBLIC DOCUMENT COUNT:		20
FILED AS OF DATE:		20151216
DATE AS OF CHANGE:		20151216

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:		S-4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-208568
		FILM NUMBER:		151289887

	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>S-4
<SEQUENCE>1
<FILENAME>t1502884-s4.htm
<DESCRIPTION>FORM S-4
<TEXT>
Document 1 - file: t1502884-s4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>t1502884_ex23-1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: t1502884_ex23-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>t1502884_ex23-2.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: t1502884_ex23-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.3
<SEQUENCE>4
<FILENAME>t1502884_ex23-3.htm
<DESCRIPTION>EXHIBIT 23.3
<TEXT>
Document 4 - file: t1502884_ex23-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.4
<SEQUENCE>5
<FILENAME>t1502884_ex23-4.htm
<DESCRIPTION>EXHIBIT 23.4
<TEXT>
Document 5 - file: t1502884_ex23-4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>6
<FILENAME>t1502884_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 6 - file: t1502884_ex99-1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>7
<FILENAME>t1502884_ex99-2.htm
<DESCRIPTION>EXHIBIT 99.2
<TEXT>
Document 7 - file: t1502884_ex99-2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.3
<SEQUENCE>8
<FILENAME>t1502884_ex99-3.htm
<DESCRIPTION>EXHIBIT 99.3
<TEXT>
Document 8 - file: t1502884_ex99-3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>9
<FILENAME>t1502884_ex99-4.htm
<DESCRIPTION>EXHIBIT 99.4
<TEXT>
Document 9 - file: t1502884_ex99-4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>10
<FILENAME>t1502884_ex99-5.htm
<DESCRIPTION>EXHIBIT 99.5
<TEXT>
Document 10 - file: t1502884_ex99-5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>lg_dfking.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: lg_dfking.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>lg_computershare-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: lg_computershare-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>lg_qatalyst-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: lg_qatalyst-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>lg_needham-bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: lg_needham-bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>pymnt-delivry_instr01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: pymnt-delivry_instr01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>form-tax1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: form-tax1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>t1501695_w901.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: t1501695_w901.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>t1501695_w902.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: t1501695_w902.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>t1501695_w903.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: t1501695_w903.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>t1501695_w904.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: t1501695_w904.jpg

</DOCUMENT>
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