TOYOTAENGINEERINGSTANDARDNO.:TSC0502GTITLE:BenchtestmethodsforelectricalnoiseresistanceofautomotiveelectricandelectronicdevicesCLASS:C1Established:/Revised:Rev.3(May.2021)Thisstandardhasbeenrevisedasaresultofthefollowingchanges:thecontentsastopowersupplycircuitpositivesurgetesthavebeenchanged[Section6.2.3(3)];testmethodforpowersupplycircuitpositivesurgetesthasbeenreviewed[Section(5)];andignitionpulsetesthasbeenabolished..PreparedandWrittenbyElectronicPerformanceDevelopment&EngineeringDept.ElectronicsControlSystemDevelopmentDiv.DesignQualityInnovationDept.TOYOTAMOTORCORPORATIONBenchtestmethodsforelectricalnoiseresistanceofautomotiveelectricandelectronicdevicesScopeThisstandardcoversthebenchtestmethodsfortheelectricalnoiseresistanceofelectricandelectronicdevicesusedinautomobiles.Inthecasewhereanindividualproductstandardexists,thetestsshallbeconductedwhilegivingprioritytotheitemsSpecifiedintherelevantproductstandard.DefinitionsThemeaningsofthemaintermsusedinthisstandardshallbeasspecifiedbelow.AutomotiveelectricandelectronicdevicesAutomotiveelectricandelectronicdevices(hereinafterreferredtoas"devices")refertothedevicesthatmainlyusesemiconductorelementstocontrolsystems,andalsotothevariousdetectiondevices(sensors)andoutputdevices(actuators)thatareusedinconjunctionwiththem.ServicevoltagerangeTheservicevoltagerangeisthepower-supplyvoltagerangeinwhichthedevicesareabletooperatenormally(withintherangeofthedesignperformancetolerances).Unlessotherwisespecified,therangeshallbebetween10and16Vfor12V-typevehicledevicesandbetween20and32Vfor24V-typevehicledevicesCharacteristicsCharacteristicsrefertothenumericalvaluesorcorrelationsofagivendevicethatcanbemeasuredorjudgedquantitativelyorqualitativelyunderaspecifiedcondition.StandardstateThestandardstateistheenvironmentofageneraltestingsiteandunlessotherwisespecifieditshallbethenormaltemperature(5to35°C),normalhumidity(25to75%RH),andnormalatmosphericpressure(86to106kPa).TestsampleThetestsamplereferstothedevices