元器件降额标准(参考)

元器件降额准则（参考件）元器件种类降额参数降额等级ⅠⅡⅢ集成电路模拟电路放大器电源电压0.700.800.80输入电压0.600.700.70输出电流0.700.800.80功率0.700.750.80最高结温（℃）8095105比较器电源电压0.700.800.80输入电压0.700.800.80输出电流0.700.800.80功率0.700.750.80最高结温（℃）8095105电压调整器电源电压0.700.800.80输入电压0.700.800.80输出输入电压差0.700.800.85输出电流0.700.750.80功率0.700.750.80最高结温（℃）8095105模拟开关电源电压0.700.800.85输入电压0.800.850.90输出电流0.750.800.85功率0.700.750.80最高结温（℃）8095105数字电路双极型电路频率0.800.900.90输出电流0.800.900.90最高结温（℃）85100115MOS型电路电源电压0.700.800.80输出电流0.800.900.90功率0.800.800.90最高结温（℃）85100115混和集成电路厚模集成电路（W/cm2）7.5薄模集成电路（W/cm2）6.5最高结温（℃）85100115大规模集成电路最高结温（℃）改进散热方式降低结温分离半导体器件晶体管方向电压一般晶体管0.600.700.80功率MOSFET的栅源电压0.500.600.70电流0.600.700.80功率0.500.650.75功率管安全工作区集电极－发射极电压0.700.800.90集电极最大允许电流0.600.700.80最高结温Tjm（℃）200115140160175100125145≤150Tjm-65Tjm-40Tjm-20微波晶体管最高结温同晶体管二极管（基准管除外）电压（不适用于稳压管）0.600.700.80电流0.500.650.80功率0.500.650.80最高结温Tjm（℃）200115140160175100125145≤150Tjm-65Tjm-40Tjm-20微波二极管最高结温同二极管基准二极管可控硅/半导体光电器件电压0.600.700.80电流0.500.650.80最高结温Tjm（℃）200115140160175100125145≤150Tjm-65Tjm-40Tjm-20固定电阻器合成型电阻器电压0.750.750.75功率0.500.600.70环境温度按元件负荷特性曲线降额薄膜型电阻器电压0.750.750.75功率0.500.600.70环境温度按元件负荷特性曲线降额电阻网络电压0.750.750.75功率0.500.600.70环境温度按元件负荷特性曲线降额线绕电阻电压0.750.750.75功率精密型0.250.450.60功率型0.500.600.70环境温度按元件负荷特性曲线降额电位器非线绕电位器电压0.750.750.75功率合成、薄膜微调0.300.450.60精密塑料型不采用0.500.50环境温度按元件负荷特性曲线降额线绕电位器电压0.750.750.75功率普通型0.300.450.50非密封功率型－－0.70微调线绕型0.300.450.50环境温度按元件负荷特性曲线降额热敏电阻器功率0.500.500.50最高环境温度（℃）TAM-15TAM-15TAM-15ComponentTypNormalCaseWorstCaseInductorsCoreTemp(°C)CoreTemp(%)CoreTemp(°C)CoreTemp(%)ChokeCoil80TransformerSemiconductorsTjmin.=150°CNote:TjtoTcasehastobecalculatedforverificationinanycaseDiodeVrm(%)Io(%)Ifsm(%)Tcase(°C)Vrm(%)Io(%)Ifsm(%)Tcase(°C)90507090ZenerDiodePd(%)Iz(%)IFM(%)Tcase(°C)Pd(%)Iz(%)IFM(%)Tcase(°C)50508090Damp/ModulationDiodeVrm(%)Io(%)Ifsm(%)Tcase(°C)90507090TransistorsVce(%)Veb(%)IC(%)Tcase(°CVce(%)Veb(%)IC(%)Tcase(°C85858585858590MOSFETVpss(%)Ip(%)IDM(%)VGS(%)Vpss(%)Ip(%)IDM(%)VGS(%)8580808590858085ICVpeak(%)Pd(%)Tcase(°C)Vpeak(%)Pd(%)Tcase(°C)808090858090PCB(SolderTemp)85°C100°CSpecialPartsVpeak(%)Irms(%)Tcase(°C)Vpeak(%)Irms(%)Tcase(°C)SwitchPowerMOSFET859085100DC-DCbooster

MOSFETDC-DCboosterrectifierHor.-output器件型号