<SEC-DOCUMENT>0000814133-15-000008-index.html : 20150218
<SEC-HEADER>0000814133-15-000008.hdr.sgml : 20150216
<ACCEPTANCE-DATETIME>20150217122201
ACCESSION NUMBER:		0000814133-15-000008
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150217
DATE AS OF CHANGE:		20150217

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWER INTEGRATIONS INC
		CENTRAL INDEX KEY:			0000833640
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				943065014
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52867
		FILM NUMBER:		15619899

	BUSINESS ADDRESS:	
		STREET 1:		5245 HELLYER AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95138
		BUSINESS PHONE:		4084149200

	MAIL ADDRESS:	
		STREET 1:		5245 HELLYER AVE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95138

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WASATCH ADVISORS INC
		CENTRAL INDEX KEY:			0000814133
		IRS NUMBER:				870319391
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		505 WAKARA WAY
		STREET 2:		3RD FLOOR
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
		BUSINESS PHONE:		8015330777

	MAIL ADDRESS:	
		STREET 1:		505 WAKARA WAY
		STREET 2:		3RD FLOOR
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>powi215.txt
<TEXT>
Document 1 - file: powi215.txt

</DOCUMENT>
</SEC-DOCUMENT>