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<!-- DFIN ActiveDisclosure(SM) XBRL Schema Document - http://www.dfinsolutions.com/ --> |
<!-- Creation Date : 2020-08-06T14:06:33.2568021+00:00 --> |
<!-- Version : 5.0.1.476 --> |
<!-- Package ID : 4edbc689759947fd95db401c3d88362e --> |
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. --> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureCapitalStockSummaryOfRestrictedStockUnitsActivityDetails" id="Role_DisclosureCapitalStockSummaryOfRestrictedStockUnitsActivityDetails"> |
| <link:definition> 100360 - Disclosure - Capital Stock - Summary of Restricted Stock Units Activity (Details) </link:definition> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureIncomeTaxesAdditionalInformationDetails" id="Role_DisclosureIncomeTaxesAdditionalInformationDetails"> |
| <link:definition> 100370 - Disclosure - Income Taxes - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureEarningsPerCommonShareScheduleOfComputationOfBasicAndDilutedEarningsPerCommonShareDetails" id="Role_DisclosureEarningsPerCommonShareScheduleOfComputationOfBasicAndDilutedEarningsPerCommonShareDetails"> |
| <link:definition> 100380 - Disclosure - Earnings Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Details) </link:definition> |
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| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureEarningsPerCommonShareScheduleOfComputationOfBasicAndDilutedEarningsPerCommonShareParentheticalDetails" id="Role_DisclosureEarningsPerCommonShareScheduleOfComputationOfBasicAndDilutedEarningsPerCommonShareParentheticalDetails"> |
| <link:definition> 100390 - Disclosure - Earnings Per Common Share - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Parenthetical) (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureSegmentedInformationSegmentReportingInformationBySegmentDetails" id="Role_DisclosureSegmentedInformationSegmentReportingInformationBySegmentDetails"> |
| <link:definition> 100400 - Disclosure - Segmented Information - Segment Reporting Information, by Segment (Details) </link:definition> |
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| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureSegmentedInformationScheduleOfAdditionsIncludingAcquiredThroughCapitalLeasesToPropertyPlantAndEquipmentDetails" id="Role_DisclosureSegmentedInformationScheduleOfAdditionsIncludingAcquiredThroughCapitalLeasesToPropertyPlantAndEquipmentDetails"> |
| <link:definition> 100410 - Disclosure - Segmented Information - Schedule of Additions Including Acquired Through Capital Leases To Property, Plant and Equipment (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureSegmentedInformationAdditionalInformationDetails" id="Role_DisclosureSegmentedInformationAdditionalInformationDetails"> |
| <link:definition> 100420 - Disclosure - Segmented Information - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetails" id="Role_DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetails"> |
| <link:definition> 100430 - Disclosure - Derivative Financial Instruments - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureDerivativeFinancialInstrumentsForeignCurrencyForwardContractsDetails" id="Role_DisclosureDerivativeFinancialInstrumentsForeignCurrencyForwardContractsDetails"> |
| <link:definition> 100440 - Disclosure - Derivative Financial Instruments - Foreign Currency Forward Contracts (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureDerivativeFinancialInstrumentsAverageUSDFairValueMeasurementsForContractsRatesDetails" id="Role_DisclosureDerivativeFinancialInstrumentsAverageUSDFairValueMeasurementsForContractsRatesDetails"> |
| <link:definition> 100450 - Disclosure - Derivative Financial Instruments - Average USD Fair Value Measurements for Contracts Rates (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureRestructuringChargesAdditionalInformationDetails" id="Role_DisclosureRestructuringChargesAdditionalInformationDetails"> |
| <link:definition> 100460 - Disclosure - Restructuring Charges - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureRestructuringChargesScheduleOfRestructuringLiabilityDetails" id="Role_DisclosureRestructuringChargesScheduleOfRestructuringLiabilityDetails"> |
| <link:definition> 100470 - Disclosure - Restructuring Charges - Schedule of Restructuring Liability (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureCommitmentsAdditionalInformationDetails" id="Role_DisclosureCommitmentsAdditionalInformationDetails"> |
| <link:definition> 100480 - Disclosure - Commitments - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
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| | | <link:roleType roleURI="http://www.smtc.com/20200628/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetails" id="Role_DisclosureSubsequentEventsAdditionalInformationDetails"> |
| <link:definition> 100490 - Disclosure - Subsequent Events - Additional Information (Details) </link:definition> |
| <link:usedOn> link:calculationLink </link:usedOn> |
| <link:usedOn> link:presentationLink </link:usedOn> |
| <link:usedOn> link:definitionLink </link:usedOn> |
| </link:roleType> |
| | | </xsd:appinfo> |
| | </xsd:annotation> |
| <xsd:element id="smtx_LongtermDebtCurrentMaturitiesExcludingLineOfCredit" name="LongtermDebtCurrentMaturitiesExcludingLineOfCredit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_WarrantsLiability" name="WarrantsLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_RestructuringChargesRecoveries" name="RestructuringChargesRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_FairValueMeasurementGainLossOnWarrantLiability" name="FairValueMeasurementGainLossOnWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_StockIssuedDuringPeriodSharesRestrictedStockUnitVestedAndStockOptionsExercised" name="StockIssuedDuringPeriodSharesRestrictedStockUnitVestedAndStockOptionsExercised" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_StockIssuedDuringPeriodValueRestrictedStockUnitVestedAndStockOptionsExercised" name="StockIssuedDuringPeriodValueRestrictedStockUnitVestedAndStockOptionsExercised" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_ChangeInFairValueOfWarrantLiability" name="ChangeInFairValueOfWarrantLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_NetChangeInOperatingLeaseRightOfUseAssetAndLiability" name="NetChangeInOperatingLeaseRightOfUseAssetAndLiability" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_ProceedsFromRepaymentsOfLongtermDebt" name="ProceedsFromRepaymentsOfLongtermDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_ScheduleOfDerivativeRatesAtFairValueTableTextBlock" name="ScheduleOfDerivativeRatesAtFairValueTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_NumberOfManufacturingAndAssemblyLines" name="NumberOfManufacturingAndAssemblyLines" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_BusinessAndNatureOfPresentationLineItems" name="BusinessAndNatureOfPresentationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_BusinessAndNatureOfPresentationTable" name="BusinessAndNatureOfPresentationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_COVID19PandemicMember" name="COVID19PandemicMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_PNCBankMember" name="PNCBankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_CustomerRelatedMember" name="CustomerRelatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_VendorRelatedMember" name="VendorRelatedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_OtherAccruedLiabilitiesMember" name="OtherAccruedLiabilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_ContractWithCustomerAssetIncreaseDecreaseUnbilledContract" name="ContractWithCustomerAssetIncreaseDecreaseUnbilledContract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_AssetsUnderFinanceLeaseMember" name="AssetsUnderFinanceLeaseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_DongguanFacilityClosureMember" name="DongguanFacilityClosureMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_RestructuringChargesRelatedToWriteDownOfPropertyPlantAndEquipmentMember" name="RestructuringChargesRelatedToWriteDownOfPropertyPlantAndEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_AccumulatedDepreciationDepletionAndAmortizationWriteDown" name="AccumulatedDepreciationDepletionAndAmortizationWriteDown" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_TermLoansAbstract" name="TermLoansAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_DebtDisclosureLineItems" name="DebtDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_DebtDisclosureTable" name="DebtDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_TCWAssetManagementCompanyLLCMember" name="TCWAssetManagementCompanyLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_FinancingAgreementThroughJune302020Member" name="FinancingAgreementThroughJune302020Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_TermLoanMember" name="TermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_TermLoanAMember" name="TermLoanAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_PNCAndTCWAmendmentMember" name="PNCAndTCWAmendmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_PNCAndFinancingAgreementMember" name="PNCAndFinancingAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_RightsOfferingAndTheRegisteredDirectOfferingInJune2019Member" name="RightsOfferingAndTheRegisteredDirectOfferingInJune2019Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_AdditionalPrepaymentFeeAfterClosingDatePercentFirstTwelveMonths" name="AdditionalPrepaymentFeeAfterClosingDatePercentFirstTwelveMonths" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_AdditionalPrepaymentFeeAfterClosingDatePercentYearTwo" name="AdditionalPrepaymentFeeAfterClosingDatePercentYearTwo" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_AdditionalPrepaymentFeeAfterClosingDatePercentYearThree" name="AdditionalPrepaymentFeeAfterClosingDatePercentYearThree" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_NonRecurringLaborCostsAndTemporaryEmployeeBonuses" name="NonRecurringLaborCostsAndTemporaryEmployeeBonuses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_RestructuringAndSeveranceChargesAccrualsAndReserves" name="RestructuringAndSeveranceChargesAccrualsAndReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_IncreaseInAggregatePrincipalAmountOfIndebtedness" name="IncreaseInAggregatePrincipalAmountOfIndebtedness" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_PercentageOfReductionInEarningsBeforeInterestIncomeTaxesDepreciationAndAmortization" name="PercentageOfReductionInEarningsBeforeInterestIncomeTaxesDepreciationAndAmortization" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_CommonStockIssuanceVestedStockAwards" name="CommonStockIssuanceVestedStockAwards" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_CommonStockValueIssuanceVestedStockAwards" name="CommonStockValueIssuanceVestedStockAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssueInCommonShares" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssueInCommonShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssuedInCommonSharesWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssuedInCommonSharesWeightedAverageGrantDateFairValue" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_CurrentIncomeTaxBenefitFromProvisionsUnderCaresAct" name="CurrentIncomeTaxBenefitFromProvisionsUnderCaresAct" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/> |
| <xsd:element id="smtx_CorporateAllocatedCosts" name="CorporateAllocatedCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_ChangeInFairValueOfContingentConsideration" name="ChangeInFairValueOfContingentConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_TestAndMeasurementMember" name="TestAndMeasurementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_RetailAndPaymentSystemsMember" name="RetailAndPaymentSystemsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_TelecomNetworkingAndCommunicationsMember" name="TelecomNetworkingAndCommunicationsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_MedicalAndSafetyMember" name="MedicalAndSafetyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_IndustrialPowerAndCleanTechnologyMember" name="IndustrialPowerAndCleanTechnologyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_SemiconductorMember" name="SemiconductorMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_AvionicsAerospaceAndDefenseMember" name="AvionicsAerospaceAndDefenseMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_CustomersByInvoiceLocationMember" name="CustomersByInvoiceLocationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_PropertyPlantAndEquipmentIncludingOperatingLeaseRightofuseAssets" name="PropertyPlantAndEquipmentIncludingOperatingLeaseRightofuseAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_OtherLongtermSegmentAssets" name="OtherLongtermSegmentAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/> |
| <xsd:element id="smtx_NumberOfMajorCustomers" name="NumberOfMajorCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_DerivativeAverageMarketToMarketForwardInterestRate" name="DerivativeAverageMarketToMarketForwardInterestRate" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/> |
| <xsd:element id="smtx_USDPESOContractRateMember" name="USDPESOContractRateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_USDPESOMarktomarketRateMember" name="USDPESOMarktomarketRateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_UnitedStatesCanadaAndMexicoMember" name="UnitedStatesCanadaAndMexicoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_FacilityExitCostsMember" name="FacilityExitCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| <xsd:element id="smtx_OpenNonCancellablePurchaseOrdersForRawMaterialsMember" name="OpenNonCancellablePurchaseOrdersForRawMaterialsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/> |
| </xsd:schema> |