铝电解电容器英语专业词汇.docxVIP

铝电解电容器专业词汇有机介质电容器 organic dielectric capacitora.薄膜电容器 film capacitor比较精密，耐高温高压，用在音箱上。无机介质电容器 mineral condensera.云母电容 mica capacitorb.陶瓷电容 ceramic capacitor综合性能好，价格贵。可以应用GHz级别的超高频器件上，比如CPU/GPU。双电层电容器 double electric layer capacitor电容特别大，可达到几百f，UPS的电池用，作用是储存电能。电解电容器 electrolytic capacitor特点：单位体积的电容量大；额定的容量可以做到非常大；成本相对比较低铌电解电容器 niobium electrolytic capacitor铝电解电容器 aluminium electrolytic capacitorAdvantages of Al/Polymer capacitor1.Low ESR at high frequency(100k~300kHz) 2.High ripple current endurance 3.Super long Life 4.High thermal stability Super long Life Life evaluation of Al capacitor Liquid type 10℃ reduced 2 times longer Polymer type 20℃ reduced 10 times longer Lx=Life expectance(Hrs) in actual useLo=Guaranteed(Hrs) at maximum temperature in useTo=Maximum operating temperatureTa=Temperature in actual useCustomized(1)—Welding Merits : Full Automatic, Touch panel control, Welding precisely Customized(2)—Formation Merits : Auto load/unloading, Fully automatic, Touch panel control Customized(3)—Impregnation Merits : Auto load/unloading, Touch panel control, Injection precisely Customized(4)—Polymerization Merits : IR Conveyor oven, Temp. control preciselyKey parameters of lifeAmbient TemperatureSelf heat rise caused by the Ripple CurrentMechanism of lifetimeElectrolyte vaporization [,veip?raizei??n] due to high temperature 高温会导致电解液的蒸发 Gassing due to chemical reaction between electrolyte and oxide 由于电解液和氧化膜之间会发生化学反应,这就导致了气体的产生 Gassing due to electrolyte decomposition 电解液的分解也会导致气体的产生Gassing气体的产生-- INNER PRESURE RISE电容器内部压力的上升 --Diffusion through sealing rubber电解液会从密封皮头 扩散出来 --Element dry-up芯包变干-- Open circuit 开路会产生 Thermocouple热电耦SMT贴片工艺安装，需要波峰焊（wave soldering）工艺处理，电容经过高温之后可能会影响性能，尤其是阴极采用电解液的电容，经过高温后电解液可能会干枯。在性能方面，插件式电容对频率的适应性差一些，不过不到500MHz以上的频率是很难体现出差异的。电解电容阴极材质性能特性对比阴极材质电解液二氧化锰app:ds:manganesemanganese app:ds:dioxidedioxide[ m??ɡ?ni:z dai?ksaid]TCNQ聚合物导体（PPY固/P体ED聚T）polymer固体聚合物导体+电解液（CVEX混合型导电率0.01S/CM0.1S/CM1S/CM100S/CM100S+0.01S/CM导电方式离子导电电子导电电子导电电子导电电子+离子导电热阻性