IEC 60749-25-2003 半导体器件.机械和气候试验方法.第25部分:温度循环

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【英文标准名称】:Semiconductordevices-Mechanicalandclimatictestmethods-Part25:Temperaturecycling
【原文标准名称】:半导体器件.机械和气候试验方法.第25部分:温度循环
【标准号】:IEC60749-25-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:密封性;半导体;应力;外观检查(试验);电子设备及元件;温度变化;电学测量;潮气;气候试验;气候;循环时间;环境试验;组件;耐力;集成电路;大气压;温度;电气工程;定义;试验条件;易燃性;尺寸;试验;环境;机械试验;热学;半导体器件;软钎焊连接;额定值;温度变化试验;耐热冲击能力;电子工程
【英文主题词】:Atmosphericpressure;Changesoftemperature;Climate;Climatictests;Components;Cycle-time;Definitions;Dimensions;Electricalengineering;Electricalmeasurement;Electronicengineering;Electronicequipmentandcomponents;Environment;Environmentaltesting;Environmentaltests;Flammability;Heat;Integratedcircuits;Mechanicaltesting;Moisture;Ratings;Resistance;Semiconductordevices;Semiconductors;Solderedjoints;Stress;Temperature;Testonchangesoftemperature;Testing;Testingconditions;Thermalshockendurance;Tightness;Visualinspection(testing)
【摘要】:Providesatestprocedurefordeterminingtheabilityofsemiconductordevicesandcomponentsand/orboardassembliestowithstandmechanicalstressesinducedbyalternatinghighandlowtemperatureextremes.Permanentchangesinelectricaland/orphysic
【中国标准分类号】:L40
【国际标准分类号】:31_080_01
【页数】:34P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforAnalysisofGasesDissolvedinElectricalInsulatingOilbyGasChromatography
【原文标准名称】:用气体色谱分离法分析电绝缘油中溶解的气体成分的标准试验方法
【标准号】:ASTMD3612-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D27.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电绝缘;电气工程;绝缘液体;绝缘油;分析;溶解气体;气体
【英文主题词】:capillarycolumns;combustiblegases;dissolvedgases;gases;headspace;insulatingoil;oil;transformeroil
【摘要】:Oilandoil-immersedelectricalinsulationmaterialsmaydecomposeundertheinfluenceofthermalandelectricalstresses,andindoingso,generategaseousdecompositionproductsofvaryingcompositionwhichdissolveintheoil.Thenatureandamountoftheindividualcomponentgasesthatmayberecoveredandanalyzedmaybeindicativeofthetypeanddegreeoftheabnormalityresponsibleforthegasgeneration.Therateofgasgenerationandchangesinconcentrationofspecificgasesovertimearealsousedtoevaluatetheconditionoftheelectricapparatus.Note18212;Guidelinesfortheinterpretationofgas-in-oildataaregiveninIEEEC57.104.1.1Thistestmethodcoversthreeproceduresforextractionandmeasurementofgasesdissolvedinelectricalinsulatingoilhavingaviscosityof20cSt(100SUS)orlessat40176;C(104176;F),andtheidentificationanddeterminationoftheindividualcomponentgasesextracted.Othermethodshavebeenusedtoperformthisanalysis.1.2Theindividualcomponentgasesthatmaybeidentifiedanddeterminedinclude:Hydrogen8212;H2Oxygen8212;O2Nitrogen8212;N2Carbonmonoxide8212;COCarbondioxide8212;CO2Methane8212;CH4Ethane8212;C2H6Ethylene8212;C2H4Acetylene8212;C2H2Propane8212;C3H8Propylene8212;C3H6