Cap_电解电容器简报

AluminumElectrolyticCapacitor主講:研發部張榮富)(10855.8)(10855.8812FtSFtSC電容器種類介電層介電常數介電層厚度d(m)鋁電解電容氧化鋁7~10(0.0013~0.0015/V)鉭電解電容氧化鉭24(0.001~0.0015/V)薄膜電容器聚酯膜3.20.5~2陶瓷電容器（高介電常數型）鈦化鋇500~200005單位：F：電容Farad：介電常數As/VmS：介電層表面積m2t:：介電層厚度m+-cathodeElectrolyticpaperanodeElectrolyticpaperelectrolyte+-cathodeAl.oxide底面積A電容值C高度H’施加電壓V液體量V儲存電量Q容器高度H額定電壓Vr電容量的觀念可用容器、容量之多寡來比擬，下表為相對應得關係H’H馬達（電壓）只能提供至此液位。注入相同的液位（電壓）鋁箔的處理原箔鋁箔表面（3500X）鋁箔切面（3500X）電蝕箔的種類低壓用鋁箔高壓用鋁箔化成電壓與氧化鋁厚度的關係1)Al3++6H2OAl(OH2)6]3+2)[Al(OH2)6]3+Al(OH)3+3H2O+3H+3)2Al(OH)3Al2O3+3H2OMaterialsandStructureAnodefoil(正箔)Cathodefoil（負箔）ElectrolyticPaper（電解紙）Terminal（導針）Electrolyte（電解液）Sleeve（膠管）Rubber（封口橡膠）Case（鋁殼）MaterialsAnodefoilCathodefoilElectrolyticPaperTerminalElectrolyteSleeveRubberCaseJCC、KDK、Matsushita、KJCC、Satma–FoilNipponKodoshiCorporation|NKK–PaperLINEMINE–RubberYOMIYAMA–ElectrolyteRubber---L.M.Lead---金聯富Case---銀湖Sleeve---雲林、久輪MaterialCapacitorRawMaterialSuppliers…ProcessSlittingWindingImpregnationAssemblySleeveAgingInspectionPackagingFinish13652874保存條件Storage(1)勿將電容器置於高溫與高濕的環境中。.保存條件溫度:5oC~35oC,溼度低於75%.室內保存(2)避免情況1;避免直接接觸水，鹽水，及油漬。.(3)避免情況2:避免暴露於有毒氣體環境中，例如硫化氫，硫酸，硝酸氯氣，氨氣等.(4)避免情況3；避免暴露於臭氧，紫外線及放射源下。CharacteristicsUnitFormulaStandardCapacitanceFC=kA/dWithin+20%or+25%oftheinitialvalueDissipationFactor%D.F.=2πfCR200%oftheinitialspecifiedvalueorlessLeakageCurrentAI0.01×C×VThespecifiedvalueorlessImpedanceWR=1/ρNodefinitionCharacteristicvstemperatureandfrequencyTemperatureincreaseFrequencyincreaseESRCapacitanceDissipationFactor(tand)LeakageCurrent-LeakageCurrentVS.ChargedVoltage-3V0V6.3V16VVoltage(V)LeakageCurrent(uA)3300/6.3—10*251500/16—10*25OpenedVentOpenedVentInnerpressureriseApplicationofOvervoltageDeteriorationShortcircuit故障因素架構圖EnvironmentFriendlyPVCFreeCapacitorsPlantoeliminatePVCPVCSleevePETSleeveLeadFreeCapacitorsPlatingofterminalcontainingleadAhundredpercentTinPlatingNOrestrictedchemicalsusedinourelectrolyticsolutionFutureDenseoxidizedeqitheliumEtchedtechnologicalinnovationCapacitance-reductiondecreaseLargeSmallVolumeLessMuchAlfoil0.0110001001010.1ElectrolyteManganesedioxideTCNQbasePolymerizedorganicsemiconductorSpecialtypolymerSP-CAPOSCONorganicsemiconductorTantaluncapacitorAlcapacitorConductivity(S/cm)AdvancementThankyou