1编号：**/**-**-***-**受控状态：电子元器件选型规范编制：日期：审核：日期：批准：日期：CHBCHBCHB有限责任公司修订记录日期修订状态修改内容修改人审核人批准人1/181目录2总则..............................................................................................................................32.1目的...................................................................................................................32.2适用范围...........................................................................................................32.3电子元器件选型基本原则................................................................................32.4其他具体选型原则：........................................................................................33各类电子元器件选型原则...........................................................................................53.1电阻选型...........................................................................................................53.2电容选型...........................................................................................................63.2.1铝电解电容...............................................................................................63.2.2钽电解电容...............................................................................................73.2.3片状多层陶瓷电容....................................................................................73.3电感选型...........................................................................................................73.4二极管选型.......................................................................................................83.4.1发光二极管：...........................................................................................83.4.2快恢复二极管：........................................................................................83.4.3整流二极管：...........................................................................................83.4.4肖特基二极管：........................................................................................93.4.5稳压二极管：...........................................................................................93.4.6瞬态抑制二极管：....................................................................................93.5三极管选型.......................................................................................................93.6晶体和晶振选型.............................................................................................103.7继电器选型.....................................................................................................103.8电源选型.........................................................................................................113.8.1AC/DC电源选型规则...............................................................................113.8.2隔离DC/DC电源选型规则......................................................................113.9运放选型.........................................................................................................113.10A/D和D/A芯片选型.......................................................................................123.11处理器选型.....................................................................................................133.12...
