器件应力降额及关键用法规范(V3[1]0)

器件应力降额及关键用法规范..........................................................‘‘第一部分 总则................................................................................................................................31 前言...................................................................................................32 目的...................................................................................................33 适用范围...........................................................................................34 关键词...............................................................................................35 引用/参考标准或资料......................................................................46 产品典型工作区、短时稳态工作区、极限瞬态工作区定义.......47 偏离降额的说明...............................................................................7第二部分 应力降额及关键用法规范内容.....................................................................................8第一章 低压电器类器件....................................................................91.1 接触器降额与关键用法规范.....................................................................................91.2 低压断路器降额与关键用法规范...........................................................................141.3 刀开关降额与关键用法规范...................................................................................201.4 电源小开关降额及关键用法规范...........................................................................231.5 信号小开关降额及关键用法规范...........................................................................251.6 熔断器降额及关键用法规范...................................................................................271.7 电连接器降额及关键用法规范...............................................................................311.8 风扇降额及关键用法规范.......................................................................