<SEC-DOCUMENT>0001949846-25-000537.txt : 20251022
<SEC-HEADER>0001949846-25-000537.hdr.sgml : 20251022
<ACCEPTANCE-DATETIME>20251022100224
ACCESSION NUMBER:		0001949846-25-000537
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251022
DATE AS OF CHANGE:		20251022

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEMTECH CORP
		CENTRAL INDEX KEY:			0000088941
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				952119684
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0125

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-06395
		FILM NUMBER:		251408989

	BUSINESS ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790
		BUSINESS PHONE:		8054982111

	MAIL ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012-8790

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Walsh Paul V Jr
		CENTRAL INDEX KEY:			0001362672
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		200 FLYNN ROAD
		CITY:			CAMARILLO
		STATE:			CA
		ZIP:			93012
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001362672</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000088941</issuerCik>
      <issuerName>SEMTECH CORP</issuerName>
      <secFileNumber>001-06395</secFileNumber>
      <issuerAddress>
        <com:street1>200 FLYNN ROAD</com:street1>
        <com:city>CAMARILLO</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>93012-8790</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>8054982111</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Walsh Paul V Jr</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>THE CHARLES SCHWAB CORPORATION</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1500</noOfUnitsSold>
      <aggregateMarketValue>99360.00</aggregateMarketValue>
      <noOfUnitsOutstanding>86773988</noOfUnitsOutstanding>
      <approxSaleDate>10/22/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>09/18/2023</acquiredDate>
      <natureOfAcquisitionTransaction>INVESTMENT</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER/MARKET</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1500</amountOfSecuritiesAcquired>
      <paymentDate>09/18/2023</paymentDate>
      <natureOfPayment>NA</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <remarks>FULL ACCOUNT TITLE: PAUL VINCENT WALSH &amp; J O'LOUGHLIN WALSH TEN/COM</remarks>
    <noticeSignature>
      <noticeDate>10/22/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>07/09/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>PAUL VINCENT WALSH</signature>
    </noticeSignature>
  </formData>
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</TEXT>
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</SEC-DOCUMENT>
