印制电路板设计要求-SMD元器件封装库尺寸要求.pdf

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1、Q/ZX深圳市中兴通讯股份有限公司企业标准(技术标准)Q/ZX04.100.5-2001-2001印制电路板设计规范——SMD元器件封装库尺寸要求2001-12-11发布2002-01-01实施深圳市中兴通讯股份有限公司发布Q/ZX04.100.5-2001目次1范围.............................................................................12引用标准....................................................................

2、.....13术语.............................................................................14使用说明.........................................................................25焊盘图形.........................................................................25.1SMD：表面贴装方焊盘图形尺寸......................

3、........................25.2SMDC：表面贴装圆焊盘图形尺寸.............................................35.3SMDF表面贴装手指焊盘图形尺寸............................................45.4THC通孔圆焊盘图形尺寸...................................................55.5THS通孔方焊盘图形尺寸.................................................

4、..65.6THR通孔矩形焊盘图形尺寸.................................................76SMD元器件及焊盘图形尺寸.........................................................86.1SMD分立元件.............................................................86.1.1SMD电阻.............................................................8

5、6.1.1.1SMD电阻元件尺寸.....................................................86.1.2SMD电容............................................................106.1.3SMD电感............................................................126.1.4SMD钽电容..........................................................14

6、6.1.5MELF（金属电极无引线端面元件）......................................166.1.6SMD排阻............................................................186.1.7SOT23..............................................................206.1.8SOT89..............................................................226.1

7、.9SOD123.............................................................246.1.10SOT143.........................................................266.1.11SOT223.........................................................286.1.12TO252/TO268...................................................306.

8、1.13S