<SEC-DOCUMENT>0000833640-19-000140-index.html : 20190725
<SEC-HEADER>0000833640-19-000140.hdr.sgml : 20190725
<ACCEPTANCE-DATETIME>20190725134049
ACCESSION NUMBER:		0000833640-19-000140
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20190725
DATE AS OF CHANGE:		20190725
EFFECTIVENESS DATE:		20190725

FILER:

	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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-232803
		FILM NUMBER:		19973715

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>forms-87_25x19.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: forms-87_25x19.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>exhibit51_7x25x19.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: exhibit51_7x25x19.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>exhibit231_7x25x19.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 3 - file: exhibit231_7x25x19.htm

</DOCUMENT>
</SEC-DOCUMENT>