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116问答网 > 压敏电阻20D471K的击穿电压是多少伏

压敏电阻20D471K的击穿电压是多少伏

2025-03-15 23:20:55

推荐回答（2个）

回答1：

压敏电阻是一种限压型保护器件。利用压敏电阻的非线性特性，当过电压出现在压敏电阻的两极间，压敏电阻可以将电压钳位到一个相对固定的电压值，从而实现对后级电路的保护。压敏电阻的主要参数有：压敏电压、通流容量、最大限制电压、结电容、响应时间等。

压敏电阻没有“击穿电压”这种说法，可以理解为是压敏电压470V。

20D471K一般用于市电的防雷保护，具体应用如下：

回答2：

压敏电阻20D471K的击穿电压是470伏

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