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《GB-T2424.1-2016電工電子産品環境試驗高溫低溫試驗導則》.pdf
ICS 19.040
K 04 IOjMj黯
中 华 人 民 共 和 国 国 家 标 准
GB/T2424.1-2005/IEC60068-3-1:1974
代替GB/T2424.1-1989
电工电子产品环境试验
高温低温试验导则
Environmentaltestingforelectricandelectronicproducts-
Guidanceforhightemperatureandlowtemperaturetests
(IEC60068-3-1:1974,Basicenvironmentaltestingprocedures-
Part3:Backgroundinformation-Section1:Coldanddryheattestsand
IEC60068-3-IA:1978,Firstsupplementtopublication60068-3-1,IDT)
2005-03-03发布 2005-08-01实施
中华人民共和国国家质量监督检验检疫总局 发 布
中 国 国家 标 准 化 管 理 委 员 会
GB/T 2424.1-2005/IEC 60068-3-1:1974
目 次
前 言 ···············································,······················…… m
1 引言 ···············································································································…… 1
2 不同试验规程的依据 ·······,···············································································…·…2
3 试验箱 ············································································································…… 4
4 测量 ·············································································································…… 5
对IEC60068-3-1;1974基《本环境试验规程 第3部分:背景材料 第1节:寒冷和干热试验》
的第一次补充文件 ······················································,····,································……6
附录A (资料性附录) 无强迫空气循环试验时试验箱大小对试验样品表面温度的影响 ·········…… 8
附录B(资料性附录) 气流对试验箱条件和试验样品表面温度的影响 ······························…… 10
附录C(资料性附录) 样品辐射系数对温度升高的影响 ··············································……14
附录D(资料性附录) 组件线端尺寸和材料对其表面温度的影响 ····································…… 15
附录E(资料性附录) 热传输计算及列线图 ···················································
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