uscar-29v001

AutomotiveGradeCoaxialCablePerformanceSpecificationTheresearchdata,analysis,conclusion,opinionsandothercontentsofthisdocumentaresolelytheproductoftheauthors.NeithertheSocietyofAutomotiveEngineers,Inc.(SAE)northeUnitedStatesCouncilforAutomotiveResearch(USCAR)certifiesthecomplianceofanyproductswiththerequirementsofnormakesanyrepresentationsastotheaccuracyofthecontentsofthisdocumentnortoitsapplicabilityforpurpose.Itisthesoleresponsibilityoftheuserofthisdocumenttodeterminewhetherornotitisapplicablefortheirpurposes.Copyright©2006,USCARISBN:0-7680-1711-4Allrightsreserved.PrintedinU.S.A.Issued2006-01SAE/USCAR-29QUESTIONSREGARDINGTHISDOCUMENT:(724)772-8518FAX(724)776-3036TOPLACEADOCUMENTORDER:(724)776-4970FAX(724)776-0790SUMMARYOFCONTENTS1SCOPE..................................................................................................................................22REFERENCES......................................................................................................................23GLOSSARYOFTERMS.......................................................................................................24GENERALREQUIREMENTS...............................................................................................24.1CableDescription...........................................................................................................24.2RestrictedandReportableSubstances..........................................................................34.3FinishedCable,DimensionalRequirements..................................................................34.4CableIdentification.........................................................................................................34.5Workmanship..................................................................................................................34.6SpecificationSheets.......................................................................................................44.7SamplePreparation........................................................................................................44.8Equipment......................................................................................................................45TESTREQUIREMENTS........................................................................................................55.1ElectricalTestRequirements..........................................................................................55.2MechanicalandEnviromentalTestRequirements.........................................................7APPENDIXA..............................................................................................................................10InitialCertificationRequirements.............................................................................................10ContinuingConformanceRequirements.................................................................................10APPENDIXB..............................................................................................................................11DefaultToleranceTable..........................................................................................................11APPENDIXC..............................................................................................................................12REVISIONS................................................................................................................................12SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-2-1SCOPE:Thisdocumentspecifiesdimensional,functionalandvisualrequirementsforAutomotivegradecoaxialcable.ThismaterialwillbedesignatedAGforgeneral-purposeautomotiveapplicationsorAGLLforlowlossapplications.Itistheresponsibilityoftheuserofthiscabletoverifythesuitabilityoftheselectedproduct(basedondimensional,mechanical,electricalandenvironmentalrequirements)foritsintendedapplication.Itistheresponsibilityofthesuppliertoretainandmaintainrecordsasevidenceofcompliancetotherequirementsdetailedinthisstandard.2REFERENCES:•SAE/USCAR-2•SAE/USCAR-17•SAE/USCAR-18•SAE/USCAR-19•MIL–C-17G•SAEJ1128•ISO6722•IMDSSTD101•GlobalAutomotiveDeclarableSubstancelist.See:www.gadsl.org•DaimlerChrysler:CS-9003•Ford:WSS-M99P9999-A1•GeneralMotors:GMW30593GLOSSARYOFTERMS:•IMDS:InternationalMaterialDatasystem•ILRS:InternationalListofReportableSubstances•AutomotiveGrade174(AG174)similartoRG174•AutomotiveGrade174LowLoss(AG174LL)4GENERALREQUIREMENTS:4.1CableDescription:4.1.1TemperatureClass:AllAGandAGLLCoaxialcablecoveredbythisspecificationshallbetestedtoandmeetorexceedtherequirementsofthetemperatureclass1asspecifiedinSAE/USCAR-2.Coaxialcablecapableofmeetinghighertemperatureclassrequirementsshallbeidentifiedbyprintingthetemperatureclassonthejacket.(e.g.,USCARclass2)AllcablecoveredinthisspecificationshallbecompatiblewithRFconnectorsasspecifiedinSAE/USCAR-17,SAE/USCAR-18andSAE/USCAR-19.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-3-4.1.2OperatingFrequency:ThecablecoveredinthisdocumentwillfunctionintheOperatingfrequencyrangeofDCto4GHz.4.1.3FluidResistanceRequirements:WhenthiscableistobeusedinanareathatwillbeexposedtoautomotivefluidsitmustbetestedtotheFluidcompatibilitytestdefinedinSAEJ1128.4.2RestrictedandReportableSubstances:AllmaterialsusedinAutomotiveGradeCoaxialCableshallbefreeofintentionallyaddedLead,Cadmium,HexavalentChromeorMercuryandshallconformtotherequirementsoftheOEMrestrictedmaterialrequirements.See:Section2References.ThematerialcontentsofthiscableshallbereportedintheIMDSformat.4.3FinishedCable,DimensionalRequirements:Finishedcabledimensionsshallmeetvalueslistedintable1.MeasurementmethodshallbeperMIL-C-17G4.8.1~4.8.1.4.1AG174andAG174LLOuterJacketdiameter.110”+/-.004”Shielddiameter.088”max.Dielectricdiameter0.060”+/-.003”Innerconductordiameter.0195”+/-.0015”TABLE1:FinishedCableDimensions4.4CableIdentification:•CableidentificationshallincludetheappropriateAutomotiveGradedesignationandtemperatureclassasaminimum.Propertiessuchasjacketcolororotherprintingshallbeagreeduponbetweencustomerandsupplier.4.5Workmanship:•Finishedcablemustmeettherequirementsshowninthisstandardovertheentirelengthandatanypointinamateriallot.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-4-4.6SpecificationSheets:•Suppliershallprovidedetailedspecificationsheetslistingallphysical,electrical,mechanical,andattenuationcharacteristicsofthefinishedcable.4.7SamplePreparation:•Aminimumof5cablesamplesisrequiredforeachtestunlessotherwisespecified.Thesesamplesaretoberandomlycutfromtheproductionlot(s)tobetested.Eachsamplewillbepreparedpertherequirementofthespecifictest.SuitableSMAconnectorswillbeutilizedtoterminatethecableforelectricaltesting.4.8Equipment:•Thislistisintendedtohighlightspecializedequipmentrequiredtoperformtheelectricaltestingspecifiedinthisdocument.Othergeneralpurposelabtoolsequipmentandsupplieswillalsoberequired.*ItemDescriptionRequirements1HighVoltageSource800VAC2NetworkAnalyzer6GHzMinimumSParameterw/TimeDomainCapability(see#4)3SparkTester1750VMin4TDR(TimeDomainReflectometer)WithImpedancecapabilityTABLE4.8:CoaxialCableTestEquipment*Note:Flame,Abrasion,Immersion,etc.testslistedinthisdocumentmaycontainspecificfixture,equipmentandtoolingrequirements.Othergenerallabequipmentsuchastensiletestersandenvironmentalchambersaretobeavailableforuseasrequired.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-5-5TESTREQUIREMENTS:5.1ElectricalTestRequirements:TestReferenceMethod/procedureRequirementContinuitytestMIL–C17G3.7.1MIL–C17G4.8.2EachconductorandshieldmustbecontinuousSparktestMIL–C17G3.7.2MIL–C17/119G4.8.3Nojacketbreakdownorflashover@<2KVrmsDielectricWithstandingVoltageMIL–C17G3.7.3MIL–C17G4.8.4Nobreakdownorflashover@<800VrmsInnertoouterconductorInsulationresistanceMIL–C17G3.7.4MIL–C17G4.8.5≥10x106MΩ/mCharacteristicimpedanceMIL–C17G3.7.6MIL–C17G4.8.750+/-2OhmsRfInsertionloss(attenuation)MIL–C17G3.7.7MIL–C17G4.8.8ShallnotexceedvaluesshowninFigure3andTable3.ReturnlossMIL–C17G3.7.8MIL–C17G4.8.915.5dbmin*CapacitanceMIL–C17G3.7.9MIL–C17G4.8.1031pF/ftnom.VelocityOfPropagationMIL-C17GMIL-C17G6.5.364%min.ShieldingEffectiveness(TransferImpedance)TransferimpedancemethodIEC1156-12.1.1.2AG17435dbminAG174LL60dbminCenterconductorresistanceUsearesistancemeasuringdevicewithanaccuracyof±0.5%andatemperaturemeasurementdevicewithnaccuracyof±0.5oC8.4ohms/100ft.Max.@23oC*VSWR1.3maxTABLE2:ElectricalTests,MethodsandRequirementsSAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-6-Attenuationvs.Frequency010203040506070050010001500200025003000Frequency(MHz)Attenuation(dB/100ft)@MaxRoomTempAG174AG174LLFIGURE3:MaximumAttenuationValuesMaximumattenuationvaluesforHznotshownmaybemaybeestablishedbyinterpolationFrequency(MHz)AG174Attenuation(dB/100ft)MaxatroomtempAG174LLAttenuation(dB/100ft)Maxatroomtemp507.54.610010.575002415.1110003225.711500403025005635.430006439.4TABLE3:MaximumAttenuationMaximumattenuationvaluesforHznotshownmaybemaybeestablishedbyinterpolation.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-7-5.2MechanicalandEnvironmentalTestRequirements:TestReferenceMethod/procedureRequirementAgingStabilityMIL–C17G3.7.15MIL–C17G4.8.16*Nocracks,flawsorotherdamageofthejacket.ColdbendMIL–C17G3.7.18MIL–C17G4.8.19*Nocracks,flawsorotherdamageofthejacketordielectriccore.FlamepropagationSAEJ1128SAEJ1128–6.6Flameshallselfextinguishin≤70sFluidresistanceSAEJ1128J1128Optionaltest:see4.1.3MaximumchangeindiameterperSAEJ1128AbrasionresistanceSandpapermethodISO67229.21(0.2kgadditionalmass)125mmminimumlengthofsandpaperCenterconductorelongationASTMB3ASTMB3Annealedcoppercenterconductoronly:ConductorshallmeetrequirementsasspecifiedinASTMB3.Requirementsforallothercenterconductormaterialsshallbeestablishedbyagreementbetweensupplierandcustomer.DielectrictocenterconductorretentionUSCAR/EWCAPSee5.2.1Thecenterconductorshallwithstanda10Nforcewithoutpullingoutofthedielectricmaterial.ShieldtodielectricretentionUSCAR/EWCAPSee:5.2.2TheShieldshallwithstanda3Nforcewithoutpullingoffofthedielectric.JackettoshieldretentionUSCAR/EWCAPSee5.2.3Theouterjacketshallwithstanda22Nforcewithoutpullingoffoftheshield.HeatagestabilityMIL–C17G3.7.15MIL–C17G4.8.16Nocracks,flawsorotherdamageofthejacketordielectriccore.1Forthepurposeofthistesttheresistancetoabrasionshallbetheminimumlengththesandpapermustoftravelwithoutexposingthebraidorshield.*Mandreldiameterforvarioustestsshallbe5XfinishedcableOD.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-8-5.2.1Fixture:Asuitableplatewitharound.0215”/.023”diameterhole(Seefigure4)securelymountedinatensiletestersoastoallowthecenterconductorofthesamplespecimentopassthroughtheholeandbeattachedtotheloadapplicationdevice.Seefigure5.Procedure:Fromasuitablelengthofcableexposethecenterconductorbyremoving2”(minimum)ofjacket,shieldanddielectricmaterial.SeeFigure6A.Cutthecabletolengthsoastoleave½”ofdielectricmaterial,shieldandouterjacketontheendofthespecimen.Placethecenterconductorthroughtheholeinthefixtureplateandapplyapullforceatarateof10“/minute(250mm/min).Aminimumof5samplesshallbetested.AcceptanceCriteria:See5.2,Dielectrictocenterconductorretention.5.2.2Fixture:Asuitableplatewitharound.0635”/.065”diameterhole(Seefigure4)securelymountedinatensiletestersoastoallowthedielectricmaterialtopassthroughtheholeandbeattachedtotheloadapplicationdevice.Seefigure5.Procedure:Fromasuitablelengthofcableexposethedielectricbyremoving2”(minimum)ofouterjacketand1½”(minimum)ofshieldmaterial.Seefigure6B.Cuttheouterjacket,shield,dielectricandcenterconductorsoastoleave½”ofouterjacketmaterialontheendofthespecimen.Foldtheexposedshieldmaterialbackovertheouterjacketmaterialremainingonthespecimen.Placethedielectricthroughtheholeinthefixtureplateandapplyapullforceatarateof10“/minute(250mm/min).Aminimumof5samplesshallbetested.AcceptanceCriteria:See5.2,Shieldtodielectricretention.5.2.3Fixture:Asuitableplatewitha.0885”/.090”diameterhole(Seefigure4)securelymountedinatensiletestersoastoallowtheshieldmaterialtopassthroughheholeandbeattachedtotheloadapplicationdevice.Seefigure5.Procedure:Fromasuitablelengthofcableexposetheshieldbyremoving2”(minimum)ofouterjacket.Seefigure6C.Cutthecabletolengthsoastoleave½”ofouterjacketmaterialontheendofthespecimen.Placetheshieldedportionofthespecimenthroughtheholeinthefixtureplateandapplyapullforceof10“/minute(250mm/min).Aminimumof5samplesshallbetested.AcceptanceCriteria:See5.2,Jackettoshieldretention.FIGURE4:TypicalTestPlate:HoleSizeasSpecified(NottoScale)SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-9-FIGURE5:TypicalTensileTestApparatusWithFixture(NottoScale)ABCFIGURE6:TypicalSamplePrep(NottoScale)SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-10-APPENDIXAINITIALCERTIFICATIONREQUIREMENTSNocoaxialcablemayberepresentedasbeingUSCAR/EWCARcompliantunlessconformancetoallapplicablerequirementsofthisspecificationhavebeenmetandaredocumented.Allsamplestestedmustmeettheserequirements.CONTINUINGCONFORMANCEREQUIREMENTS4.3OuterjackedDiameter4.3Shielddiameter4.3DielectricDiameter4.3Innerconductordiameter5.1Characteristicimpedance5.1RfInsertionloss(attenuation)5.1ReturnlossNote:Thecontinuingconformancerequirementsshallbedetailedinthecontrolplan.Documentationrequirementsshallbeestablishedbyagreementbetweensupplierandcustomer.SAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-11-APPENDIXBDEFAULTTOLERANCETABLERef:USCAR2Valuesinthistableareapplicableonlywhenspecificdimensionsortolerancesarenotspecified.Temperature±30CVoltage±5%Current±5%Resistance±5%Length±5%Time±5%Force±5%Frequency±5%FlowRate±5%RelativeHumidity±5%Volume±5%Mass±5%Mandreldiameter5XnominalODSAE/USCAR-29IssuedJanuary2006AutomotiveGradeCoaxialCablePerformanceSpecification-12-APPENDIXCREVISIONSThisspecificationwasapprovedbyUSCAR/EWCAPon8-1-05Anyrevisionssincethatdatehavebeenincorporatedintothespecification.Revisionsthatalteredthecontentofthespecificationarerecordedbelow.DateSectionSummaryofChangesmadeNotes