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雷電計數器怎么安裝

雷電計數器怎么安裝

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壓敏電阻保護晶體管電路

發布日期:2021-02-20瀏覽次數:679標簽:雷電計數器怎么安裝

如圖a所示,把持的這個非線性相干,完成對晶體管的保護.在圖b,圖c的接法中,由于感生的過電壓被抑制在規定值如下,c～e極間就不會超過規定值電壓,于是能起到保護晶體管的作用.

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繼電器

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