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IEC 61000-4-2和IEC 61000-4-5旨在确保电子系统在日常环境中不会因ESD而劣化或损坏。
1. IEC 61000-4-2测试(ESD抗扰度测试:人体放电模型)
与人体放电模型(HBM)的情况一样,这个测试模拟带电人体可能产生的放电。ESD测试采用两种方法:
这些ESD测试是国际电工委员会(IEC)IEC 61000-4-2标准规定测试。
东芝ESD保护二极管采用直接放电和空气放电两种方法进行测试。
2. IEC 61000-4-5测试(浪涌抗扰度测试:雷电浪涌测试)
浪涌抗扰度测试也称雷电浪涌测试,模拟直接雷电产生的瞬态现象,以及附近雷电感应引起的电压和电流浪涌。该测试还包括大型机器电源接通时可能出现的瞬态开关现象,如负载急剧变化和负载短路。在施加浪涌电流电平和周期方面,IEC 61000-4-5测试是最严格的系统级浪涌抗扰度测试。
浪涌抗扰度测试是IEC 61000-4-5标准规定测试。