-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Uqo2XiWzUPSLSbcECKzzf2xWFH0aVwCymMwfeQeWmq3LAODeI93jqUJ7jlbnD5HE
 GjXglJNA9eTjGIFdJPlSgw==

<SEC-DOCUMENT>0001040989-03-000001.txt : 20030604
<SEC-HEADER>0001040989-03-000001.hdr.sgml : 20030604
<ACCEPTANCE-DATETIME>20030604143716
ACCESSION NUMBER:		0001040989-03-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030603
FILED AS OF DATE:		20030604

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KOZEL BERNARD
		CENTRAL INDEX KEY:			0001040989

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-27460
		FILM NUMBER:		03732301

	BUSINESS ADDRESS:	
		STREET 1:		1 WOODBURY PL
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14618

	MAIL ADDRESS:	
		STREET 1:		1 WOODBURY PL
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14618

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERFORMANCE TECHNOLOGIES INC \DE\
		CENTRAL INDEX KEY:			0001003950
		STANDARD INDUSTRIAL CLASSIFICATION:	PRINTED CIRCUIT BOARDS [3672]
		IRS NUMBER:				161158413
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		205 INDIGO CREEK DRIVE
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14626
		BUSINESS PHONE:		5852560200

	MAIL ADDRESS:	
		STREET 1:		205 INDIGO CREEK DRIVE
		STREET 2:		205 INDIGO CREEK DRIVE
		CITY:			ROCHESTER
		STATE:			NY
		ZIP:			14626
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <documentType>4</documentType>

    <periodOfReport>2003-06-03</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001003950</issuerCik>
        <issuerName>PERFORMANCE TECHNOLOGIES INC \DE\</issuerName>
        <issuerTradingSymbol>PTIX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001040989</rptOwnerCik>
            <rptOwnerName>KOZEL BERNARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeSecurity>
        <securityTitle>
            <value>Non-Statutory Stock Option (Right to Buy)</value>
        </securityTitle>
        <conversionOrExercisePrice>
            <value>6.89</value>
        </conversionOrExercisePrice>
        <transactionDate>
            <value>2003-06-03</value>
        </transactionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>A</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
        </transactionCoding>
        <transactionTimeliness>
            <value></value>
        </transactionTimeliness>
        <transactionAmounts>
            <transactionShares>
                <value>10000</value>
                <footnoteId id="F1"/>
            </transactionShares>
            <transactionValue>
                <value>0</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <exerciseDate>
            <value>2004-06-03</value>
        </exerciseDate>
        <expirationDate>
            <value>2008-06-03</value>
        </expirationDate>
        <underlyingSecurity>
            <underlyingSecurityTitle>
                <value>Common Stock, $.01 par value</value>
            </underlyingSecurityTitle>
            <underlyingSecurityShares>
                <value>10000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>34500</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </derivativeSecurity>

    <footnotes>
        <footnote id="F1">Automatic grant of option pursuant to the Performance Technologies, Inc. 2001 Stock Option Plan in a transaction exempt under Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Donald L. Turrell, by power of attorney, on behalf of Bernard Kozel</signatureName>
        <signatureDate>2003-06-04</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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