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  <element name="AllocationFourSevenPointNineEightMember" id="silc_AllocationFourSevenPointNineEightMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationThirtyNinePointSixtyTwoMember" id="silc_AllocationThirtyNinePointSixtyTwoMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationThreeFivePointOneTwoMember" id="silc_AllocationThreeFivePointOneTwoMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationThreeFivePointSixNineMember" id="silc_AllocationThreeFivePointSixNineMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationThreeFourPointNineZeroMember" id="silc_AllocationThreeFourPointNineZeroMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationThreeThreePointTwoSevenMember" id="silc_AllocationThreeThreePointTwoSevenMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AllocationTwentyEightPointThreeEightMember" id="silc_AllocationTwentyEightPointThreeEightMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AmortizationExpenseOfSoftwareDevelopmentCostsEstimatedToBeCapitalizedInNextTwoToFiveYearsEach" id="silc_AmortizationExpenseOfSoftwareDevelopmentCostsEstimatedToBeCapitalizedInNextTwoToFiveYearsEach" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="AmortizationOfSoftwareDevelopmentCostsEstimatedToBeCapitalizedInNextYear" id="silc_AmortizationOfSoftwareDevelopmentCostsEstimatedToBeCapitalizedInNextYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="AmortizationPremiumOnMarketableSecurities" id="silc_AmortizationPremiumOnMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="AmountOfGoodwillExceededOverMarketCapitalization" id="silc_AmountOfGoodwillExceededOverMarketCapitalization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="AmountOfTradeReceivableDueToOneCustomer" id="silc_AmountOfTradeReceivableDueToOneCustomer" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="AnnualInterestRate" id="silc_AnnualInterestRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="AssetsHeldForEmployeesSeveranceBenefits" id="silc_AssetsHeldForEmployeesSeveranceBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="AssumedDeferredTaxLiabilitiesUndistributedForeignEarnings" id="silc_AssumedDeferredTaxLiabilitiesUndistributedForeignEarnings" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="AssumedDeferredTaxLiabilityNotRecognizedRelatedToTaxExemptRetainedEarningsDueToApprovedEnterpriseAndBenefitedEnterpriseStatus" id="silc_AssumedDeferredTaxLiabilityNotRecognizedRelatedToTaxExemptRetainedEarningsDueToApprovedEnterpriseAndBenefitedEnterpriseStatus" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="BankCharges" id="silc_BankCharges" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="BeneficialEnterpriseMember" id="silc_BeneficialEnterpriseMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="BenefittedStatutoryTaxRateInNextFiscalYearAndYearTwo" id="silc_BenefittedStatutoryTaxRateInNextFiscalYearAndYearTwo" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="BenefittedStatutoryTaxRateInPastAndCurrentYear" id="silc_BenefittedStatutoryTaxRateInPastAndCurrentYear" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="BusinessCombinationConsiderationTransferredContingentConsideration" id="silc_BusinessCombinationConsiderationTransferredContingentConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="CancelledFutureCorporateTaxRate" id="silc_CancelledFutureCorporateTaxRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CapitalGainsTax" id="silc_CapitalGainsTax" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" id="silc_CashPaidForAmountsIncludedInMeasurementOfLeaseLiabilities" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ChangesInMarketableSecuritiesNet" id="silc_ChangesInMarketableSecuritiesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ConditionForExpiration" id="silc_ConditionForExpiration" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateStatutoryTaxRateOn2016" id="silc_CorporateStatutoryTaxRateOn2016" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateStatutoryTaxRateOn2016AndThereafter" id="silc_CorporateStatutoryTaxRateOn2016AndThereafter" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateStatutoryTaxRateOn2017" id="silc_CorporateStatutoryTaxRateOn2017" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateStatutoryTaxRateOn2017AndThereafter" id="silc_CorporateStatutoryTaxRateOn2017AndThereafter" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateStatutoryTaxRateOn2018AndThereafter" id="silc_CorporateStatutoryTaxRateOn2018AndThereafter" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateTaxOnCashDividendsDistributed2014" id="silc_CorporateTaxOnCashDividendsDistributed2014" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateTaxOnCashDividendsDistributedFromExemptedProfits" id="silc_CorporateTaxOnCashDividendsDistributedFromExemptedProfits" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CorporateTaxRate" id="silc_CorporateTaxRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CostOfSaleMember" id="silc_CostOfSaleMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="CreationOfDeferredTaxesForTaxLossesTaxRate" id="silc_CreationOfDeferredTaxesForTaxLossesTaxRate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="CumulativeAmountOfEarningsOfForeignSubsidiariesUponWhichDeferredTaxesNotProvided" id="silc_CumulativeAmountOfEarningsOfForeignSubsidiariesUponWhichDeferredTaxesNotProvided" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="CurrentMember" id="silc_CurrentMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="Customer1Member" id="silc_Customer1Member" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="Customer2Member" id="silc_Customer2Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="Customer3Member" id="silc_Customer3Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="Customer4Member" id="silc_Customer4Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="Customer5Member" id="silc_Customer5Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionLessThanTwelveMonthsAccumulatedGains" id="silc_DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionLessThanTwelveMonthsAccumulatedGains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionLessThanTwelveMonthsFairValue" id="silc_DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionLessThanTwelveMonthsFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionTwelveMonthsOrLongerAccumulatedGains" id="silc_DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionTwelveMonthsOrLongerAccumulatedGains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionTwelveMonthsOrLongerFairValue" id="silc_DebtSecuritiesHeldToMaturityContinuousUnrealizedGainsPositionTwelveMonthsOrLongerFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DebtSecuritiesHeldToMaturityUnrealizedGainsPositionAccumulatedGains" id="silc_DebtSecuritiesHeldToMaturityUnrealizedGainsPositionAccumulatedGains" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DebtSecuritiesHeldToMaturityUnrealizedGainsPositionFairValue" id="silc_DebtSecuritiesHeldToMaturityUnrealizedGainsPositionFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsAndLiabilitiesNetAfterJurisdictionalNetting" id="silc_DeferredTaxAssetsAndLiabilitiesNetAfterJurisdictionalNetting" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsGoodwill" id="silc_DeferredTaxAssetsGoodwill" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsLiabilitiesNetDomestic" id="silc_DeferredTaxAssetsLiabilitiesNetDomestic" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsLiabilitiesNetForeign" id="silc_DeferredTaxAssetsLiabilitiesNetForeign" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsOperatingLeaseLiabilities" id="silc_DeferredTaxAssetsOperatingLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsResearchAndDevelopmentCosts" id="silc_DeferredTaxAssetsResearchAndDevelopmentCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsVacationPayConvalescencePayAndSeverancePay" id="silc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsVacationPayConvalescencePayAndSeverancePay" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DeferredTaxLiabilitiesOperatingLeasesRightofuseNet" id="silc_DeferredTaxLiabilitiesOperatingLeasesRightofuseNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="DevelopmentAreaMember" id="silc_DevelopmentAreaMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="DirectorsAndEmployeesMember" id="silc_DirectorsAndEmployeesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="DiscountOfMarketableSecurities" id="silc_DiscountOfMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="DocumentAndEntityInformationAbstract" id="silc_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationAngelsLawDeductionPercent" id="silc_EffectiveIncomeTaxRateReconciliationAngelsLawDeductionPercent" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationChangesInUnrecognizedTaxBenefits" id="silc_EffectiveIncomeTaxRateReconciliationChangesInUnrecognizedTaxBenefits" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationDueToPreferredEnterpriseStatusPercent" id="silc_EffectiveIncomeTaxRateReconciliationDueToPreferredEnterpriseStatusPercent" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRevaluationOfEarnOuts" id="silc_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseRevaluationOfEarnOuts" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationOther" id="silc_EffectiveIncomeTaxRateReconciliationOther" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationTaxEffectDueToPreferredEnterpriseStatusAmount" id="silc_EffectiveIncomeTaxRateReconciliationTaxEffectDueToPreferredEnterpriseStatusAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="EffectiveIncomeTaxRateReconciliationTaxPreferredEnterpriseStatusPercent" id="silc_EffectiveIncomeTaxRateReconciliationTaxPreferredEnterpriseStatusPercent" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="EffectiveIncomeTaxRateReconciliationValuationAllowanceOnCapitalLoss" id="silc_EffectiveIncomeTaxRateReconciliationValuationAllowanceOnCapitalLoss" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ExerciseOfRestrictedStockUnits" id="silc_ExerciseOfRestrictedStockUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ExerciseOfRsus" id="silc_ExerciseOfRsus" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="FederalCorporateIncomeTaxRateUnderTaxCutsAndJobsActs" id="silc_FederalCorporateIncomeTaxRateUnderTaxCutsAndJobsActs" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="FinancialIncomeExpensesNet" id="silc_FinancialIncomeExpensesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="GeneralAndAdministrativeExpensesMember" id="silc_GeneralAndAdministrativeExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GeneralTextBlock" id="silc_GeneralTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GeographicAreasAndMajorCustomersAbstract" id="silc_GeographicAreasAndMajorCustomersAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GeographicAreasAndMajorCustomersTextBlock" id="silc_GeographicAreasAndMajorCustomersTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GlobalShareIncentivePlan2013Member" id="silc_GlobalShareIncentivePlan2013Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GoodwillDeductibleTermForIncomeTaxPurposes" id="silc_GoodwillDeductibleTermForIncomeTaxPurposes" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="GoodwillWrittenOff" id="silc_GoodwillWrittenOff" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="GovernmentAuthoritiesCurrent" id="silc_GovernmentAuthoritiesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="ImpairmentLoss" id="silc_ImpairmentLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="IncomeTaxDisclosureLineItems" id="silc_IncomeTaxDisclosureLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="IncomeTaxDisclosureTable" id="silc_IncomeTaxDisclosureTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" nillable="true"/>
  <element name="IncomeTaxReconciliationAngelsLawDeductionAmount" id="silc_IncomeTaxReconciliationAngelsLawDeductionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits" id="silc_IncomeTaxReconciliationChangesInUnrecognizedTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationNondeductibleExpenseRevaluationOfEarnOuts" id="silc_IncomeTaxReconciliationNondeductibleExpenseRevaluationOfEarnOuts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationOther" id="silc_IncomeTaxReconciliationOther" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationPriorYearIncomeTaxesForeignJurisdiction" id="silc_IncomeTaxReconciliationPriorYearIncomeTaxesForeignJurisdiction" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationPriorYearIncomeTaxesIsrael" id="silc_IncomeTaxReconciliationPriorYearIncomeTaxesIsrael" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationTaxPreferredEnterpriseStatusAmount" id="silc_IncomeTaxReconciliationTaxPreferredEnterpriseStatusAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationValuationAllowance" id="silc_IncomeTaxReconciliationValuationAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncomeTaxReconciliationValuationAllowanceOnCapitalLoss" id="silc_IncomeTaxReconciliationValuationAllowanceOnCapitalLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="IncreaseDecreaseForLiabilityForEmployeesSeveranceBenefitsNet" id="silc_IncreaseDecreaseForLiabilityForEmployeesSeveranceBenefitsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncreaseDecreaseInFinancialIncomeFromMarketableSecurities" id="silc_IncreaseDecreaseInFinancialIncomeFromMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IncreaseDecreaseInMarketableSecurities" id="silc_IncreaseDecreaseInMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="IsraelTaxReformMember" id="silc_IsraelTaxReformMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="KpmgInternationalMember" id="silc_KpmgInternationalMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="LeaseOperatingAbstract" id="silc_LeaseOperatingAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="LiabilityForEmployeesSeveranceBenefits" id="silc_LiabilityForEmployeesSeveranceBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="MarketSizeCriteriaToReceiveTaxBenefitsNumberOfResidentsPeople" id="silc_MarketSizeCriteriaToReceiveTaxBenefitsNumberOfResidentsPeople" type="xbrli:positiveIntegerItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NonCashTransactionsIncludingInvestmentsAndRightOfUseAssetsAndLeaseLiabilities" id="silc_NonCashTransactionsIncludingInvestmentsAndRightOfUseAssetsAndLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="NonCashTransactionsIncludingPortionOfInvestmentsAndRightOfUseAssetsAndLeaseLiabilities" id="silc_NonCashTransactionsIncludingPortionOfInvestmentsAndRightOfUseAssetsAndLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="NonCurrentMember" id="silc_NonCurrentMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfMajorCustomers" id="silc_NumberOfMajorCustomers" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="NumberOfYearsOfBenefitedTaxRateUnderAlternativeBenefitsMethod" id="silc_NumberOfYearsOfBenefitedTaxRateUnderAlternativeBenefitsMethod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OperatingCashFlowsFromOperatingLeases" id="silc_OperatingCashFlowsFromOperatingLeases" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="OptionsGrantedEightMember" id="silc_OptionsGrantedEightMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedFiveMemberMember" id="silc_OptionsGrantedFiveMemberMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedFourMemberMember" id="silc_OptionsGrantedFourMemberMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedOneMember" id="silc_OptionsGrantedOneMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedSevenMemberMember" id="silc_OptionsGrantedSevenMemberMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedSixMemberMember" id="silc_OptionsGrantedSixMemberMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OptionsGrantedThreeMemberMember" id="silc_OptionsGrantedThreeMemberMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OrdinarySharesCoveredUnderPlan" id="silc_OrdinarySharesCoveredUnderPlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OtherForeignJurisdictionsMember" id="silc_OtherForeignJurisdictionsMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OtherPayablesCurrent" id="silc_OtherPayablesCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="OtherReceivablesClassifiedCurrent" id="silc_OtherReceivablesClassifiedCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="OtherStatesTaxationMember" id="silc_OtherStatesTaxationMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="OutsourcingOfRAndDWorkFromSubcontractor" id="silc_OutsourcingOfRAndDWorkFromSubcontractor" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="PaymentMadeInConnectionWithContingentConsideration" id="silc_PaymentMadeInConnectionWithContingentConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="PaymentsForExerciseOfOptionsAndRestrictedStockUnits" id="silc_PaymentsForExerciseOfOptionsAndRestrictedStockUnits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="PercentageOfContingentConsiderationPaidInCash" id="silc_PercentageOfContingentConsiderationPaidInCash" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PercentageOfContingentConsiderationPaidInOptions" id="silc_PercentageOfContingentConsiderationPaidInOptions" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PercentageOfGoodwillExceededOverMarketCapitalization" id="silc_PercentageOfGoodwillExceededOverMarketCapitalization" type="xbrli:pureItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PercentageOfRevenueFromOneCountryToReceiveTaxBenefits" id="silc_PercentageOfRevenueFromOneCountryToReceiveTaxBenefits" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PeriodOfRecognizedGoodwillDeductedForIncomeTaxPurposes" id="silc_PeriodOfRecognizedGoodwillDeductedForIncomeTaxPurposes" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PreferredEnterpriseEffectOnNetEarningsPerOrdinaryShareMember" id="silc_PreferredEnterpriseEffectOnNetEarningsPerOrdinaryShareMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="PreferredEnterpriseMember" id="silc_PreferredEnterpriseMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ProceedsFromAmortizationOfPremiumOnMarketableSecurities" id="silc_ProceedsFromAmortizationOfPremiumOnMarketableSecurities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ProceedsFromExerciseOfOptionsAndRestrictedStockUnitsInvestingActivities" id="silc_ProceedsFromExerciseOfOptionsAndRestrictedStockUnitsInvestingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ProceedsFromOtherInvestingActivities" id="silc_ProceedsFromOtherInvestingActivities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ReceivablesFromGovernmentAuthorities" id="silc_ReceivablesFromGovernmentAuthorities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="RecognitionOfRightOfUseAssetsAndLeaseLiabilities" id="silc_RecognitionOfRightOfUseAssetsAndLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="RequiredInvestmentInProductionMachineryAndEquipmentToReceiveTaxBenefits" id="silc_RequiredInvestmentInProductionMachineryAndEquipmentToReceiveTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="ResearchAndDevelopmentExpensesMember" id="silc_ResearchAndDevelopmentExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RestOfCountryMember" id="silc_RestOfCountryMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RevenueFromRelatedParty" id="silc_RevenueFromRelatedParty" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="RevenuesFromMajorCustomers" id="silc_RevenuesFromMajorCustomers" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="RightofuseAssetsObtainedInExchangeForLeaseObligationsNoncash" id="silc_RightofuseAssetsObtainedInExchangeForLeaseObligationsNoncash" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfAdditionalInformationRelatedToLeasesTableTextBlock" id="silc_ScheduleOfAdditionalInformationRelatedToLeasesTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock" id="silc_ScheduleOfCashPaidForIncomeTaxesNetOfRefundsTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfEffectOfBenefitResultingFromPreferredEnterpriseStatusOnNetEarningsPerOrdinaryShareTableTextBlock" id="silc_ScheduleOfEffectOfBenefitResultingFromPreferredEnterpriseStatusOnNetEarningsPerOrdinaryShareTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfMajorCustomersAsPercentageOfNetAccountsReceivableBalanceTableTextBlock" id="silc_ScheduleOfMajorCustomersAsPercentageOfNetAccountsReceivableBalanceTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfReconciliationOfMarketableSecuritiesTableTextBlock" id="silc_ScheduleOfReconciliationOfMarketableSecuritiesTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ScheduleOfShareBasedPaymentAwardRestrictedStockUnitsAwardValuationAssumptionsTableTextBlock" id="silc_ScheduleOfShareBasedPaymentAwardRestrictedStockUnitsAwardValuationAssumptionsTableTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SegmentReportingTwoAbstract" id="silc_SegmentReportingTwoAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SellingAndMarketingExpensesMember" id="silc_SellingAndMarketingExpensesMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsGrantsInPeriodApprovedNotYetIssued" id="silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardsGrantsInPeriodApprovedNotYetIssued" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsSuboptimalFactor" id="silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsSuboptimalFactor" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTerminationRate" id="silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsTerminationRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageGrantDateFairValue" id="silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" id="silc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShareOptionPlan2013Member" id="silc_ShareOptionPlan2013Member" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShortTermBankDepositsPolicyTextBlock" id="silc_ShortTermBankDepositsPolicyTextBlock" type="dtr-types:textBlockItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="ShortTermDepositWeightedAverageInterestRate" id="silc_ShortTermDepositWeightedAverageInterestRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="SilicomDenmarkMember" id="silc_SilicomDenmarkMember" type="dtr-types:domainItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StateCorporateIncomeTaxRateUnderTaxCutsAndJobsActs" id="silc_StateCorporateIncomeTaxRateUnderTaxCutsAndJobsActs" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StatementOfIncomeLocationsBalanceAxis" id="silc_StatementOfIncomeLocationsBalanceAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" nillable="true"/>
  <element name="StatementOfIncomeLocationsBalanceDomain" id="silc_StatementOfIncomeLocationsBalanceDomain" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodSharesReissuanceOfTreasurySharesUnderShareBasedCompensationPlan" id="silc_StockIssuedDuringPeriodSharesReissuanceOfTreasurySharesUnderShareBasedCompensationPlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockIssuedDuringPeriodValueReissuanceOfTreasurySharesUnderShareBasedCompensationPlan" id="silc_StockIssuedDuringPeriodValueReissuanceOfTreasurySharesUnderShareBasedCompensationPlan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="StockSharesIssuedDuringPeriodSharesStockOptionsExercised" id="silc_StockSharesIssuedDuringPeriodSharesStockOptionsExercised" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockSharesIssuedDuringPeriodSharesStockOptionsExercisedAndRestrictedStockUnits" id="silc_StockSharesIssuedDuringPeriodSharesStockOptionsExercisedAndRestrictedStockUnits" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="StockSharesIssuedDuringPeriodValueStockOptionsExercised" id="silc_StockSharesIssuedDuringPeriodValueStockOptionsExercised" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="StockSharesIssuedDuringPeriodValueStockOptionsExercisedAndRestrictedStockUnits" id="silc_StockSharesIssuedDuringPeriodValueStockOptionsExercisedAndRestrictedStockUnits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="StraightLineDepreciationRate" id="silc_StraightLineDepreciationRate" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="TaxBenefitRecognizedInConsolidatedStatementsOfOperationsRelatedToSharebasedCompensationExpenses" id="silc_TaxBenefitRecognizedInConsolidatedStatementsOfOperationsRelatedToSharebasedCompensationExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="TaxExemptionAmount" id="silc_TaxExemptionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="TerminationOfLeaseAgreements" id="silc_TerminationOfLeaseAgreements" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="TermOfOptions" id="silc_TermOfOptions" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="TimeAllowedToMeetInvestmentInProductionMachineryAndEquipmentToReceiveTaxBenefits" id="silc_TimeAllowedToMeetInvestmentInProductionMachineryAndEquipmentToReceiveTaxBenefits" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="TotalObligationCompanyPaid" id="silc_TotalObligationCompanyPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit"/>
  <element name="TotalObligationCompanyWasNotObligatedToPayAsMilestoneWasNotAchieved" id="silc_TotalObligationCompanyWasNotObligatedToPayAsMilestoneWasNotAchieved" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit"/>
  <element name="TotalSharesRepurchasedUnderShareRepurchasePlan" id="silc_TotalSharesRepurchasedUnderShareRepurchasePlan" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="UnitedStatesIncomeTaxAuthorityMember" id="silc_UnitedStatesIncomeTaxAuthorityMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="VirginiaTaxationMember" id="silc_VirginiaTaxationMember" type="dtr-types:domainItemType" abstract="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WeightedAverageInterestRateOfBankDeposits" id="silc_WeightedAverageInterestRateOfBankDeposits" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WeightedAverageInterestRateOfMoneyMarket" id="silc_WeightedAverageInterestRateOfMoneyMarket" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
  <element name="WithholdingTaxDeductionFromCashDividendsDistributedFromBenefitedProfits" id="silc_WithholdingTaxDeductionFromCashDividendsDistributedFromBenefitedProfits" type="dtr-types:percentItemType" abstract="false" xbrli:periodType="duration" substitutionGroup="xbrli:item" nillable="true"/>
</schema>
