-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 B2xHvVmkH4L0yKOTTNB1LmIQLcYc7t5PfHUQ0aUNu7NhFpdyAO4XqRp/7rOuKBm1
 hcd5h//AvI2e/cDdMbM1ug==

<SEC-DOCUMENT>0001179110-09-011604.txt : 20090805
<SEC-HEADER>0001179110-09-011604.hdr.sgml : 20090805
<ACCEPTANCE-DATETIME>20090805123039
ACCESSION NUMBER:		0001179110-09-011604
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090804
FILED AS OF DATE:		20090805
DATE AS OF CHANGE:		20090805

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Persico Daniel F.
		CENTRAL INDEX KEY:			0001434849

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15491
		FILM NUMBER:		09986292

	MAIL ADDRESS:	
		STREET 1:		KEMET CORPORATION
		STREET 2:		2835 KEMET WAY
		CITY:			SIMPSONVILLE
		STATE:			SC
		ZIP:			29681

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KEMET CORP
		CENTRAL INDEX KEY:			0000887730
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				570923789
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		2835 KEMET WAY
		STREET 2:		2835 KEMET WAY
		CITY:			SIMPSONVILLE
		STATE:			SC
		ZIP:			29681
		BUSINESS PHONE:		8039636300

	MAIL ADDRESS:	
		STREET 1:		P O BOX 5928
		STREET 2:		P.O. BOX 5928
		CITY:			GREENVILLE
		STATE:			SC
		ZIP:			29606
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000887730</issuerCik>
        <issuerName>KEMET CORP</issuerName>
        <issuerTradingSymbol>KEM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001434849</rptOwnerCik>
            <rptOwnerName>Persico Daniel F.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>KEMET CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2835 KEMET WAY</rptOwnerStreet2>
            <rptOwnerCity>SIMPSONVILLE</rptOwnerCity>
            <rptOwnerState>SC</rptOwnerState>
            <rptOwnerZipCode>29681</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President, Strategic</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-08-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.87</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12233</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel F. Persico</signatureName>
        <signatureDate>2009-08-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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