<SEC-DOCUMENT>0000785786-20-000049-index.html : 20200618
<SEC-HEADER>0000785786-20-000049.hdr.sgml : 20200618
<ACCEPTANCE-DATETIME>20200618082805
ACCESSION NUMBER:		0000785786-20-000049
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20191231
FILED AS OF DATE:		20200618
DATE AS OF CHANGE:		20200618

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLEXUS CORP
		CENTRAL INDEX KEY:			0000785786
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				391344447
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0928

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14423
		FILM NUMBER:		20971288

	BUSINESS ADDRESS:	
		STREET 1:		PLEXUS CORP
		STREET 2:		ONE PLEXUS WAY
		CITY:			NEENAH
		STATE:			WI
		ZIP:			54956
		BUSINESS PHONE:		9209696000

	MAIL ADDRESS:	
		STREET 1:		PLEXUS CORP
		STREET 2:		ONE PLEXUS WAY
		CITY:			NEENAH
		STATE:			WI
		ZIP:			54956
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>a2019form11-k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: a2019form11-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>a201911-kxexhibit231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: a201911-kxexhibit231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>grantthornton2019.jpg
<TEXT>
Document 3 - file: grantthornton2019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>grantthornton2019a01.jpg
<TEXT>
Document 4 - file: grantthornton2019a01.jpg

</DOCUMENT>
</SEC-DOCUMENT>