R-026-華為三康元器件降額規(guī)范(PSU)V2-2

電容降額準(zhǔn)則CapacitorsDeratingCriterion,,,,返回Back

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類型,電壓降額,結(jié)溫降額,反向電壓降額,其他

Type,VoltageDerating,CaseTemperatureDerating,ReverseVoltageDerating,Exceptions

"固定非固體鋁電解電容

Fixed,Electrolytic,Aluminium",80%,Tmax-20℃,N/A,"1、如果工作溫度>Tmax-40℃，則電壓需從70%進(jìn)一步線形降額到TD@37%；

2、需要計(jì)算E-Cap壽命。

1IfoperatingTemp>Tmax-40℃,thenderatelinearlytoTD@37%;

2E-Caplifecalculationsarerequiered."

"固定固體鋁電解電容

Fixed,Electrolytic(Dry),Aluminium(Palarized)",80%,Tmax-20℃,N/A,

"固定片狀鉭電容

Fixed,Tantalum,Chip",50%,Tmax-20℃,N/A,"應(yīng)用于快速脈沖條件下時(shí)，需要串聯(lián)1ohm/V的電阻，或者電壓降額30%。

Forcircuitswhererapidcharge/dischargeisencountered,aprotectiveresistorof1ohm/voltisrequired.Ifthisisnotpossiblethecapacitorshouldbederatedto30%ofthemaximumratedvoltage"

"固定固體鉭電解電容

Fixed,Electroytic，Tantalum,Solid",50%,Tmax-20℃,2%,"應(yīng)用于快速脈沖條件下時(shí)，需要串聯(lián)1ohm/V的電阻，或者電壓降額30%。

Forcircuitswhererapidcharge/dischargeisencountered,aprotectiveresistorof1ohm/voltisrequired.Ifthisisnotpossiblethecapacitorshouldbederatedto30%ofthemaximumratedvoltage"

"固定非固體鉭電解電容

Fixed,Electroytic，Tantalum,Non-Solid(WetandFoil)",50%,Tmax-20℃,2%,

"固定金膜電容

Fixed,MetalizedPaper/Plastic",70%,Tmax-10℃,N/A,

"固定陶瓷電容

Fixed,Ceramic,Chip/GeneralPurpose/TemperatureCompensate",70%,Tmax-10℃,N/A,

"可變電容

Variable",50%,Tmax-10℃,N/A,

"固定玻璃釉電容

Fixed,Glass",70%,Tmax-10℃,N/A,

"固定云母電容

Fixed,Mica-Conventional/Mica-Button"