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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,
 Tec+bDrpRPdM7yXndbz1D8KwL/6paRPoyTLYzcf5ymHOgbL2g4Ep4sdHphSXlye9
 IDJQQUg6G6sqZZulE0bvTg==

<SEC-DOCUMENT>0001181431-03-030098.txt : 20031110
<SEC-HEADER>0001181431-03-030098.hdr.sgml : 20031110
<ACCEPTANCE-DATETIME>20031110183428
ACCESSION NUMBER:		0001181431-03-030098
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030930
FILED AS OF DATE:		20031110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			TOMASETTA LOUIS
		CENTRAL INDEX KEY:			0001085951

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31614
		FILM NUMBER:		03989884

	BUSINESS ADDRESS:	
		STREET 1:		741 CALLE PLANO
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012

	MAIL ADDRESS:	
		STREET 1:		741 CALLE PLANO
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VITESSE SEMICONDUCTOR CORP
		CENTRAL INDEX KEY:			0000880446
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770138960
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		741 CALLE PLANO
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012
		BUSINESS PHONE:		8053883700

	MAIL ADDRESS:	
		STREET 1:		741 CALLE PLANO
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>rrd22114.xml
<DESCRIPTION>FORM 5
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>5</documentType><periodOfReport>2003-09-30</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000880446</issuerCik>
        <issuerName>VITESSE SEMICONDUCTOR CORP</issuerName>
        <issuerTradingSymbol>VTSS</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001085951</rptOwnerCik>
            <rptOwnerName>TOMASETTA LOUIS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>741 CALLE PLANO</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CAMARILLO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President, CEO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><transactionCoding><footnoteId id="F1"/></transactionCoding><postTransactionAmounts><sharesOwnedFollowingTransaction><value>128704</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><transactionCoding><footnoteId id="F1"/></transactionCoding><postTransactionAmounts><sharesOwnedFollowingTransaction><value>63000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Daugh
ter 1</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><transactionCoding><footnoteId id="F1"/></transactionCoding><postTransactionAmounts><sharesOwnedFollowingTransaction><value>63000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Daughter 2</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><transactionCoding><footnoteId id="F1"/></transactionCoding><postTransactionAmounts><sharesOwnedFollowingTransaction><value>567375</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>by Trust</value></natureOfOwnership></ownershipNature></nonDeriva
tiveHolding></nonDerivativeTable><footnotes><footnote id="F1">Not Applicable</footnote><footnote id="F2">Voluntary reporting of beneficial ownership at fiscal year end. Although purchases under Employee Stock Purchase Plans (423 Plans) are not required to be reported on Form 4 or Form 5, the filer is voluntarily reporting that the amount of securities beneficially owned at fiscal year end includes 6038 shares acquired on July 31, 2003 as a participant in Company 423 Plan.</footnote></footnotes><ownerSignature><signatureName>Louis R. Tomasetta</signatureName><signatureDate>2003-11-10</signatureDate></ownerSignature></ownershipDocument>



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