51问答网 > 485接口保护电路tvs管是用单向还是双向

485接口保护电路tvs管是用单向还是双向

2025-03-15 10:17:29
推荐回答（1个）
回答1：

可以单向，也可以双向，只要管子质量好就可以。不要动不动就击穿。只是起到保护作用。

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