GB4588 IEC60326-3 PCB的设计和使用.pdf

ICS 31.180 L 30 场日 中 华 人 民 共 和 国 国 家 标 准 GB/T4588.3-2002 eqvIEC60326-3:1991 印制 板 的设 计 和 使 用 Designanduseofprintedboards 2002-11-25发布 2003-04-01实施 中 华 人 民 共 和 匡 国家 质 量 监 督 检 验 检 疫 总 1p GB/T4588.3-2002 目 次 前言 ·Ifl 1 范 围 ··························································································，···、···········，···…… 1 2 引用标准 ·····························，··············，·················，··························、····，·····.····…… 1 3 材料和表面镀(涂)覆层 .·……，.····.·..……1 3.1 材料 ······················，······，···········，········，·····，···········································，······…… 1 3,2 金属镀租层 ·····················，···············，···················…… 4 3,3 非金属涂搜层 ··································，····························，··············.··，·，······… … 5 4 组装 .·11 5 尺寸··························，··········。11 5,1 参考基准 .············································…… 11 5.2 印制板的外形尺寸.··… … 12 5.3 印制板的厚度 ························，························································.·············…… 12 5.4 孔的尺寸 ·····················，······，········，··，·············································‘··············…… 13 5.5 槽和缺口的尺寸 .·14 5.6 导线的尺寸 .·一· 14 5.7 尺寸稳定性 .···，···············································…… 17 6 电气性能·····…… 17 6.1 电阻 ·17 6.2 载流量,······…… 18 6.3 绝缘电阻··。·································，··，··································，···········，··············…… 22 6.4 耐压 ·············································，···········。··，········，···········‘····，··················…… 22 6.5 其他电气性能24 7 机械性能···················，，········，···，············