| 电源浪涌保护电路的正确运用 |
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| 引用本文： | 陈嵩,武建刚.电源浪涌保护电路的正确运用[J].安全与电磁兼容,2011(3):49-52. |
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| 作者姓名： | 陈嵩 武建刚 |
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| 作者单位： | 1. 北京交通大学电子信息工程学院
2. 国家知识产权局专利审查协作中心 |
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| 摘 要： | 介绍了常用浪涌保护器件（如气体放电管、金属氧化物压敏电阻、电压瞬变抑制二极管）的特性和用法。以电源端口的防护为例,列举了几种应用中常见的认识误区和错误用法,并提出使用滤波器作为缓冲级与SPD组合使用实现多级防护的抑制措施。
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| 关 键 词： | 浪涌保护器件 电源端口 气体放电管 压敏电阻 电压瞬变抑制二极管 |
Discussion on the Proper Use of SPDs in Power Port Circuit |
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| Abstract: | The features and usages of the most common types of surge protection devices were introduced include GDT,MOV,and TVS.As typical examples,several misunderstandings and misuses in power port were listed.A solution was proposed that using an EMI filter as the middle current buffer section to construct a multi-level protected circuit. |
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| Keywords: | SPD power port GDT MOV TVS |
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