<SEC-DOCUMENT>0002007317-25-000865.txt : 20250813
<SEC-HEADER>0002007317-25-000865.hdr.sgml : 20250813
<ACCEPTANCE-DATETIME>20250813165127
ACCESSION NUMBER:		0002007317-25-000865
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250813
DATE AS OF CHANGE:		20250813

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LITTELFUSE INC /DE
		CENTRAL INDEX KEY:			0000889331
		STANDARD INDUSTRIAL CLASSIFICATION:	SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				363795742
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1227

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-20388
		FILM NUMBER:		251212499

	BUSINESS ADDRESS:	
		STREET 1:		6133 NORTH RIVER ROAD
		STREET 2:		SUITE 500
		CITY:			ROSEMONT
		STATE:			IL
		ZIP:			60018
		BUSINESS PHONE:		773-628-1000

	MAIL ADDRESS:	
		STREET 1:		6133 NORTH RIVER ROAD
		STREET 2:		SUITE 500
		CITY:			ROSEMONT
		STATE:			IL
		ZIP:			60018

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Gorski Jeffrey G
		CENTRAL INDEX KEY:			0001685837
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O RR DONNELLEY $ SONS COMPANY
		STREET 2:		35 W. WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60601
</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>0001685837</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000889331</issuerCik>
      <issuerName>LITTELFUSE INC /DE</issuerName>
      <secFileNumber>000-20388</secFileNumber>
      <issuerAddress>
        <com:street1>6133 NORTH RIVER ROAD</com:street1>
        <com:street2>SUITE 500</com:street2>
        <com:city>ROSEMONT</com:city>
        <com:stateOrCountry>IL</com:stateOrCountry>
        <com:zipCode>60018</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>773-628-1000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Gorski Jeffrey G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Merrill Lynch</name>
        <address>
          <com:street1>8890 Lyra Dr. 5th Floor</com:street1>
          <com:city>Columbus</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>43240</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>350</noOfUnitsSold>
      <aggregateMarketValue>91847.00</aggregateMarketValue>
      <noOfUnitsOutstanding>24781558</noOfUnitsOutstanding>
      <approxSaleDate>08/13/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/25/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Littelfuse, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>160</amountOfSecuritiesAcquired>
      <paymentDate>04/25/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>04/27/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting	</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Littelfuse, Inc.	</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>190</amountOfSecuritiesAcquired>
      <paymentDate>04/27/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Jeffrey Gorski</name>
        <address>
          <com:street1>6133 NORTH RIVER ROAD</com:street1>
          <com:street2>SUITE 500</com:street2>
          <com:city>ROSEMONT</com:city>
          <com:stateOrCountry>IL</com:stateOrCountry>
          <com:zipCode>60018</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>08/12/2025</saleDate>
      <amountOfSecuritiesSold>750</amountOfSecuritiesSold>
      <grossProceeds>190579.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/13/2025</noticeDate>
      <signature>Jeffrey Gorski</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
