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01ContentsIndexTechnicalnotesListofProductsCBB131直流滤波电容器（铝外壳）／DC-LinkCapacitor（AluminumCase）15CBB133直流滤波电容器（金属外壳，定制品)／DC-LinkCapacitor（MetalCase，CustomizedProducts）21CBB135直流滤波电容器（塑料外壳，定制品)／DC-LinkCapacitor（PlasticCase，CustomizedProducts）25CBB136直流滤波电容器（塑料外壳）／DC-LinkCapacitor（PlasticCase）29CBB136G直流滤波电容器（塑料外壳，105℃）／DC-LinkCapacitor（PlasticCase，105℃）33CBB138直流滤波电容器（用于PCB）／DC-LinkCapacitor（ForPCB）37CBB161IGBT吸收电容器（接线片）／SnubberCapacitorforIGBT（LugTerminals）41CBB161GIGBT吸收电容器（接线片，105℃）／SnubberCapacitorforIGBT（LugTerminals，105℃）46CBB162IGBT吸收电容器（用于PCB）／SnubberCapacitorforIGBT（ForPCB）50CBB165IGBT吸收电容器（接线片，缩体）／SnubberCapacitorforIGBT（LugTerminals，DownSized）55CBB167IGBT吸收电容器（轴向）／SnubberCapacitorforIGBT（Axial-Type）60CBB65交流电动机电容器（铝外壳、防爆）／ACMotorCapacitor（AluminumCase、Anti-explosion）64CBB235三相交流滤波电容器（铝外壳）／Three-phaseACFilterCapacitor（AluminumCase）68CBB237单相交流滤波电容器（铝外壳）／ACFilterCapacitor（AluminumCase）74CBB238交流输出滤波电容器（用于PCB）／ACOutputFilterCapacitor（ForPCB）81CBB267交流输出滤波电容器（轴向）／ACOutputFilterCapacitor（Axial-type）87CBB312金属化聚丙烯膜抗干扰电容器（X2类）MetallizedPolypropyleneFilmInterferenceSuppressionCapacitor（ClassX2）92CBB21/22/CL21/22薄膜电容器的标准FilmCapacitorStandards3薄膜电容器的基本概要GeneralDescription4基本参数和术语BasicParametersandTerms5预期寿命ExpectedLifetime8电气特性ElectricalBehaviour9注意事项CautionItems10选用指南GuideforCapacitorsChoosing12薄膜电容器失效模式及原因分析TypicalFailureModesandFactors13ContentsIndex消费类电容器ConsumerCapacitor100外壳尺寸表DimensionCode102FilmcapacitorDC-LinkSnubberCBB136GPlasticcase，105℃CBB131AluminumcaseHighercapacitanceCBB136PlasticcaseHighercapacitanceCBB138Plasticcase，forPCBHighertemperatureHighertemperatureSmallervolumeCBB161GLugterminals，105CBB161LugterminalsCBB162ForPCBCBB167Axial-typeCBB165LugterminalsFILMCAPACITOR1.ThestandardsystemoffixedplasticfilmcapacitorforuseinelectronicequipmentThestandardsystemoffixedplasticfilmcapacitorforuseinelectronicequipmentincludesthefoundationalstandard,genericspecification,sectionalspecification,blankdetailspecificationanddetailspecification,ormanufacturerspecification.Genericspecificationspecifiestheterminology,inspectionproceduresandtestmethodsappliedinsectionalanddetailspecifications.Sectionalspecificationisclassifiedaccordingtothespecificdielectricmaterialandconstructionofcapacitor,itprescribespreferredratingandcharacteristicsandtoselectfromgenericspecificationtheappropriatequalityassessmentprocedures,testsandmeasuringmethodsandtogivegeneralperformancerequirementsforthistypeofcapacitor.Blankdetailspecificationisasupplementarydocumenttothesectionalspecificationandcontainsrequirementsforstyle,layoutandminimumcontentsofdetailspecifications.Thecorrespondingspecificationlistsforplasticfilmcapacitorsareasfollows.电子设备用固定电容器的标准体系是由基础标准，总规范，分规范，空白详细规范，以及详细规范(即企业标准)组成。总规范规定了分规范和详细规范中使用的标准术语、检验程序和试验方法。分规范是按电容器的介质和结构分类的，它是对该类电容器规定优先额定值和特性，并从总规范中选择适当的质量评定程序、试验和测量方法，以及给出一般性能要求。空白详细规范是分规范的一种补充文件，它规定了详细规范的格式、编排和最基本的要求。薄膜电容器的标准体系，举例如下：(Standards)No.)GB/T2693(IEC60384-1)GB/T17702(IEC61071)AEC-Q200GB/T21563(IEC61373)GB/T4798-1(IEC60721-3-1)GB/T4798-2(IEC60721-3-2)GB/T4798-3(IEC60721-3-3)GB/T25121(IEC61881)电子设备用固定电容器第1部分：总规范FixedcapacitorsforuseinelectronicequipmentPart1:Genericspecification被动元件应力测试认证规范Stresstestqualificationforpassivecomponents轨道交通机车车辆设备冲击和振动试验Railwayapplications-RollingstockequipmentShockandvibrationtests电工电子产品应用环境条件第1部分：贮存ClassificationofgroupsofenvironmentalparametersandtheirseveritiesSection1Storage电工电子产品应用环境条件第2部分：运输ClassificationofgroupsofenvironmentalparametersandtheirseveritiesSection2Transportation电工电子产品应用环境条件第3部分：有气候防护场所固定使用ClassificationofgroupsofenvironmentalparametersandtheirseveritiesSection3Stationaryuseatweatherprotectedlocations电力电子电容器Powerelectroniccapacitors轨道交通机车车辆设备电力电子电容器Railwayapplications-Rollingstockequipment-CapacitorsforpowerelectronicsTechnicalnotes020304TechnicalnotesTechnicalnotes2.GeneralDescriptionofFilmCapacitors2-1.PrincipleofCapacitorConstructionTheprincipleconstructionofaparallelplatecapacitorisshowninFig.1.WhenavoltageVisappliedbetweentheconductingelectrodesplacedoppositetoeachother,acertainamountQofelectricchargeproportionaltothevoltagecanbestoredonthesurfacesofthedielectric.TheproportionalconstantiscalledcapacitanceC,designatingtheabilityofacapacitortostoreenergyinanelectricfield.Q=C•VQ:Charge[Coulomb]V:Voltage[Volt]C:Capacitance[Farad]ThecapacitanceCofcapacitorcanbeexpressedbythefollowingequation:C=ε0•ε•A/dε:dielectricconstantε0:dielectricconstantinvacuum(=8.85x10-12F/m)A:electrodearea[m2]d:electrodedistance[m]ThedielectricconstantofPolypropylenefilmis2.2.LargercapacitancescanbeobtainedbyenlargingtheelectrodeareaAorbyreducingthedistance.Table1showsthedielectricconstantsoftypicalfilmdielectricsusedincapacitors.Inmanycases,capacitornamingarerelatedtotheirdielectricmaterialused.dAFig.1dA12-1平行板电容器的基本结构原理可以用图1来描述。当一个电压V施加在彼此正对的两块导电极板两端时，与电压成正比的电荷量Q将被储存在电介质的表面。这个用来标称电容器在电场中储能能力的比例常数被称作容量C。Q=CVQ:电量[库仑]V:电压[伏特]C:电容量[法拉]电容器的容量可以用以下公式来表示：C=ε0•ε•A/dε:电介常数ε0:真空中的电介常数(=8.85x10-12F/m)A:极板面积[m2]d:极板距离[m]聚丙烯膜的相对介电常数为2.2，要想获得更大的电容，可以通过增加表面积A或者减少其厚度d来获得。表1列出了电容器中常用的几种典型薄膜介质的相对介电常数，在