-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 KRALO27rn5bjcGpKlptMm+Fooj2VO7UA0/tCXHI//g6qUy+oDwCY0S4G7QD16sYQ
 QgTkrcSzyBbotYVKgZ+IYA==

<SEC-DOCUMENT>0001005150-04-000066.txt : 20040116
<SEC-HEADER>0001005150-04-000066.hdr.sgml : 20040116
<ACCEPTANCE-DATETIME>20040116150627
ACCESSION NUMBER:		0001005150-04-000066
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040115
FILED AS OF DATE:		20040116

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MECCARIELLO JOSEPH
		CENTRAL INDEX KEY:			0001239838

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11676
		FILM NUMBER:		04529594

	BUSINESS ADDRESS:	
		STREET 1:		BEL FUSE INC
		STREET 2:		206 VAN VORST STREET
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07302

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BEL FUSE INC /NJ
		CENTRAL INDEX KEY:			0000729580
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COILS, TRANSFORMERS & OTHER INDUCTORS [3677]
		IRS NUMBER:				221463699
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		206 VAN VORST ST.
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07032
		BUSINESS PHONE:		2014320463

	MAIL ADDRESS:	
		STREET 1:		206 VAN VORST ST.
		CITY:			JERSEY CITY
		STATE:			NJ
		ZIP:			07032
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>e3783_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<!-- - EDGAR Ease Plus 1.0                                   07/25/03  TT    -->
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2004-01-15</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000729580</issuerCik>
        <issuerName>BEL FUSE INC /NJ</issuerName>
        <issuerTradingSymbol>BELFB</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001239838</rptOwnerCik>
            <rptOwnerName>MECCARIELLO JOSEPH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BEL FUSE INC</rptOwnerStreet1>
            <rptOwnerStreet2>206 VAN VORST STREET</rptOwnerStreet2>
            <rptOwnerCity>JERSEY CITY</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07302</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>0</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>0</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>Vice President</officerTitle>
      </reportingOwnerRelationship>
   </reportingOwner>
 <nonDerivativeTable>
   <nonDerivativeTransaction>
      <securityTitle>
         <value>Class B Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2004-01-15</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>8000</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>17.00</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>11030</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeTransaction>
   <nonDerivativeHolding>
      <securityTitle>
         <value>Class B Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>865</value>
            <footnoteId id="F1"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>Held in 401(k) plan</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
   <nonDerivativeHolding>
      <securityTitle>
         <value>Class B Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>414</value>
            <footnoteId id="F1"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>Held by Far East  Retirement Plan</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
   <nonDerivativeHolding>
      <securityTitle>
         <value>Class B Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>720</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>Held by Spouse</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
   <nonDerivativeHolding>
      <securityTitle>
         <value>Class A Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>1250</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
   <nonDerivativeHolding>
      <securityTitle>
         <value>Class A Common Stock</value>
      </securityTitle>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>288</value>
            <footnoteId id="F1"/>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
            <value>I</value>
         </directOrIndirectOwnership>
         <natureOfOwnership>
            <value>Held in 401(k) plan</value>
         </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
 </nonDerivativeTable>
 <derivativeTable>
   <derivativeTransaction>
      <securityTitle>
         <value>Stock Option (Right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>17.00</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2004-01-15</value>
      </transactionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>8000</value>
         </transactionShares>
         <transactionPricePerShare>
           <value>0</value>
         </transactionPricePerShare>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
            <footnoteId id="F2"/>
      </exerciseDate>
      <expirationDate>
         <value>2005-04-24</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class B Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>8000</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>8000</value>
         </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeTransaction>
 </derivativeTable>
   <footnotes>
      <footnote id="F1"> Represents shares held in Mr. Meccariello's 401(k) plan and Far East Retirement Plan as of March 1, 2003.</footnote>

      <footnote id="F2"> Options were granted pursuant to the Company's Stock Option Plan and vest in annual installments of 4,000 shares beginning on April 25, 2001.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>/s/ Laura R. Kutz, Attorney-in-Fact for Joseph Meccariello</signatureName>
      <signatureDate>2004-01-16</signatureDate>
   </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----