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  <xs:element name="ProceedsOrRepaymentsOfNotesPayable" id="belfb_ProceedsOrRepaymentsOfNotesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
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  <xs:element name="NumberOfPatents" id="belfb_NumberOfPatents" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="SupersedeasBondPostedToCourt" id="belfb_SupersedeasBondPostedToCourt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="DamagesCoveredThroughIndemnificationAgreement" id="belfb_DamagesCoveredThroughIndemnificationAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
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  <xs:element name="OutstandingPurchaseOrdersRelatedToRawMaterials" id="belfb_OutstandingPurchaseOrdersRelatedToRawMaterials" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
  <xs:element name="OutstandingPurchaseOrdersRelatedToCapitalExpenditures" id="belfb_OutstandingPurchaseOrdersRelatedToCapitalExpenditures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" />
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  <xs:element name="NumberOfReportableOperatingSegments" id="belfb_NumberOfReportableOperatingSegments" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NumberOfIndustryInWhichEntityOperates" id="belfb_NumberOfIndustryInWhichEntityOperates" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="NorthAmericaMember" id="belfb_NorthAmericaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="IncomeTaxesLineItems" id="belfb_IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PriorYearLiabilityUncertainTaxPositionsYear1" id="belfb_PriorYearLiabilityUncertainTaxPositionsYear1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="LiabilityForUncertainTaxPositionsIncludedInLiabilityForUncertainTaxPositions" id="belfb_LiabilityForUncertainTaxPositionsIncludedInLiabilityForUncertainTaxPositions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiabilitiesCurrentAndNonCurrent" id="belfb_BusinessAcquisitionPurchasePriceAllocationDeferredTaxLiabilitiesCurrentAndNonCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
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  <xs:element name="BelPowerEuropeMember" id="belfb_BelPowerEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="AccruedSubcontractingLabor" id="belfb_AccruedSubcontractingLabor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" />
  <xs:element name="TransportationOfEquipmentMember" id="belfb_TransportationOfEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ScheduleOfNetBenefitCostsAmountRecognizedInBalanceSheetAndAccumulatedOtherComprehensiveIncomeTableTextBlock" id="belfb_ScheduleOfNetBenefitCostsAmountRecognizedInBalanceSheetAndAccumulatedOtherComprehensiveIncomeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="SharesHeldInPlan" id="belfb_SharesHeldInPlan" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="instant" />
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  <xs:element name="EmployerMatchOfNextFivePercentCompensationContributedByParticipants" id="belfb_EmployerMatchOfNextFivePercentCompensationContributedByParticipants" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="DefinedContributionPlanEmployerContributionPercent" id="belfb_DefinedContributionPlanEmployerContributionPercent" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
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  <xs:element name="GigacomInterconnectMember" id="belfb_GigacomInterconnectMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="PowerboxItalyMember" id="belfb_PowerboxItalyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="BusinessCombinationAcquisitionRelatedCostsAfterTax" id="belfb_BusinessCombinationAcquisitionRelatedCostsAfterTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="FibrecoAndBelPowerEuropeMember" id="belfb_FibrecoAndBelPowerEuropeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="EarningPerShareTwoClassMethodAbstract" id="belfb_EarningPerShareTwoClassMethodAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="PercentageOfCapitalStockOfForeignSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" id="belfb_PercentageOfCapitalStockOfForeignSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="PercentageOfCapitalStockOfDomesticSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" id="belfb_PercentageOfCapitalStockOfDomesticSubsidiariesGivenAsCollateralizedSecurityToLineOfCredit" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" />
  <xs:element name="DocumentAndEntityInformationAbstract" id="belfb_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
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  <xs:element name="AccumulatedOtherComprehensiveIncomeLossLineItems" id="belfb_AccumulatedOtherComprehensiveIncomeLossLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ChangesInAccumulatedOtherComprehensiveLossByComponentRollForward" id="belfb_ChangesInAccumulatedOtherComprehensiveLossByComponentRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" abstract="true" xbrli:periodType="duration" />
  <xs:element name="ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" id="belfb_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
  <xs:element name="OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" id="belfb_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" />
  <xs:element name="ExpectedPaymentsToAcquirePendingAcquisitionNetOfCashAcquired" id="belfb_ExpectedPaymentsToAcquirePendingAcquisitionNetOfCashAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" />
</xs:schema>
