<SEC-DOCUMENT>0001564590-21-030447-index.html : 20210527
<SEC-HEADER>0001564590-21-030447.hdr.sgml : 20210527
<ACCEPTANCE-DATETIME>20210527162056
ACCESSION NUMBER:		0001564590-21-030447
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20201231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20201231
</ITEM>
</RULE>
FILED AS OF DATE:		20210527
DATE AS OF CHANGE:		20210527

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CTS CORP
		CENTRAL INDEX KEY:			0000026058
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				350225010
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04639
		FILM NUMBER:		21972996

	BUSINESS ADDRESS:	
		STREET 1:		4925 INDIANA AVENUE
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
		BUSINESS PHONE:		6305778800

	MAIL ADDRESS:	
		STREET 1:		4925 INDIANA AVENUE
		CITY:			LISLE
		STATE:			IL
		ZIP:			60532
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>cts-sd.htm
<DESCRIPTION>SD
<TEXT>
Document 1 - file: cts-sd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>cts-ex101_35.htm
<DESCRIPTION>EX-1.01
<TEXT>
Document 2 - file: cts-ex101_35.htm

</DOCUMENT>
</SEC-DOCUMENT>