目次前言...................................................................................................................51范围和简介......................................................................................................62规范性引用文件...............................................................................................63术语和定义......................................................................................................63.1.额定电流（In）...................................................................................63.2.额定电压（Un）.................................................................................63.3.电压降（Ud）.....................................................................................63.4.冷电阻（R）.......................................................................................63.5.环境温度.............................................................................................63.6.分断能力（BreakingCapacitor）......................................................63.7.时间—电流曲线（OverloadandTime-CurrentCurves）...................73.8.公称熔化热能I2t..................................................................................73.9.尺寸....................................................................................................74选型要素及举例...............................................................................................74.1额定电流................................................................................................74.2额定电压................................................................................................74.3工作环境温度.........................................................................................84.4电压降和冷电阻.....................................................................................94.5时间-电流特性曲线................................................................................94.6分断能力等级.........................................................................................94.7公称熔化热能I2t.....................................................................................94.8耐久性（寿命）：................................................................................114.9结构特征..............................................................................................124.10认证要求...........................................................................................124.11标识..................................................................................................124.12保险丝座...........................................................................................124.13焊接和软套选用................................................................................125选型方法综合举例.........................................................................................136附录A：保险丝参数说明...............................................................................167附录B：选型要素注意事项............................................................................178附录C：保险丝选型案例...............................................................................189附录D：华为公司使用保险丝技术参数一览表...............................................1810附录E...
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