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  <xsd:element abstract="true" id="mxwl_DescriptionOfBusinessAndBasisOfPresentationTextualAbstract" name="DescriptionOfBusinessAndBasisOfPresentationTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_EmployeeServiceBasedCompensationAllocationOfRecognizedPeriodCostAbstract" name="EmployeeServiceBasedCompensationAllocationOfRecognizedPeriodCostAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_EquipmentTermLoanMember" name="EquipmentTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_FairValueMeasurementsTextualAbstract" name="FairValueMeasurementsTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_ForeignCurrencyDerivativeInstrumentsTextualAbstract" name="ForeignCurrencyDerivativeInstrumentsTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_ForeignCurrencyTranslationAdjustmentMember" name="ForeignCurrencyTranslationAdjustmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_IncreaseDecreaseInDeferredTaxLiabilityLongTerm" name="IncreaseDecreaseInDeferredTaxLiabilityLongTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mxwl_LineOfCreditFacilityRequiredPledgeOfEquityInterestsInSubsidiaryPercent" name="LineOfCreditFacilityRequiredPledgeOfEquityInterestsInSubsidiaryPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mxwl_ManufacturingLocations" name="ManufacturingLocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_NumberOfActiveStockBasedCompensationPlans" name="NumberOfActiveStockBasedCompensationPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mxwl_PerformanceBasedRestrictedStockMember" name="PerformanceBasedRestrictedStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_Restrictedcashcompensatingbalance" name="Restrictedcashcompensatingbalance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" name="ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_ScheduleOfForeignCurrencyGainsAndLossesOnUnderlyingAssetsAndLiabilitiesIncludedInCostOfRevenueAndSellingGeneralAndAdministrativeExpenseTableTextBlock" name="ScheduleOfForeignCurrencyGainsAndLossesOnUnderlyingAssetsAndLiabilitiesIncludedInCostOfRevenueAndSellingGeneralAndAdministrativeExpenseTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_SchedulesOfRestrictedStockAwardExpenseByPerformanceBasedAndServiceBasedVestingTableTextBlock" name="SchedulesOfRestrictedStockAwardExpenseByPerformanceBasedAndServiceBasedVestingTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_ServiceBasedRestrictedStockMember" name="ServiceBasedRestrictedStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_ShelfRegistrationStatementAbstract" name="ShelfRegistrationStatementAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_ShelfRegistrationStatementTextBlock" name="ShelfRegistrationStatementTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_StandardProductWarrantyTermMaximum" name="StandardProductWarrantyTermMaximum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_StandardProductWarrantyTermMinimum" name="StandardProductWarrantyTermMinimum" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_StockOfferingAbstract" name="StockOfferingAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_StockOfferingTextualAbstract" name="StockOfferingTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mxwl_StockPlansTextualAbstract" name="StockPlansTextualAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mxwl_ValueOfSecuritiesPermittedToBeIssuedUnderShelfRegistration" name="ValueOfSecuritiesPermittedToBeIssuedUnderShelfRegistration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>


