密级：内部公开DKBA3200.04-2009.12DKBA华为技术有限公司内部技术标准DKBA3200.4-2009.12代替DKBA3200.4～2005.06代替Q/DKBA3200.4～9-2003PCBA检验标准第四部分：THD组件2009年12月31日发布2010年01月01日实施华为技术有限公司HuaweiTechnologiesCo.,Ltd.版权所有侵权必究Allrightsreserved2021-04-04版权所有，未经许可不得扩散第1页,共45页Page1,Total45密级：内部公开DKBA3200.04-2005.06目录前言..................................................................................................................................41范围..................................................................................................................................62规范性引用文件................................................................................................................63元器件安装.......................................................................................................................63.1元器件安装——方向.....................................................................................................................................................63.1.1元器件安装——方向——水平...........................................................................................................................73.1.2元器件安装——方向——垂直...........................................................................................................................83.2元器件安装——引脚成型.............................................................................................................................................93.2.1器件插装——引脚成型——弯曲.......................................................................................................................93.2.2元器件安装——引脚成型——应力释放(支撑孔)..........................................................................................103.2.3元器件安装——引脚成型——损伤.................................................................................................................113.3元器件安装——轴向引线——水平插装...................................................................................................................133.3.1支撑孔.................................................................................................................................................................133.3.2非支撑孔.............................................................................................................................................................143.4元器件安装——轴向引线——垂直插装...................................................................................................................153.4.1支撑孔.................................................................................................................................................................153.4.2非支撑孔.............................................................................................................................................................163.5元器件安装——径向引线——水平插装...................................................................................................................173.6元器件安装——径向引线——垂直插装...................................................................................................................183.6.1元器件安装——径向引线——垂...
