<SEC-DOCUMENT>0000026058-18-000045-index.html : 20180518
<SEC-HEADER>0000026058-18-000045.hdr.sgml : 20180518
<ACCEPTANCE-DATETIME>20180518124423
ACCESSION NUMBER:		0000026058-18-000045
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20171231
</ITEM>
<ITEM>
<ITEM-NUMBER>1.02
<ITEM-PERIOD>20171231
</ITEM>
</RULE>
FILED AS OF DATE:		20180518
DATE AS OF CHANGE:		20180518

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:		18845793

	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>a2017formsd.htm
<DESCRIPTION>2017 FORM SD
<TEXT>
Document 1 - file: a2017formsd.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>a2017exhibit101.htm
<DESCRIPTION>EXHIBIT 1.01
<TEXT>
Document 2 - file: a2017exhibit101.htm

</DOCUMENT>
</SEC-DOCUMENT>