压敏电阻器,压敏电阻器,yamin dianzuqi,压敏电阻,yamin,dianzuqi,[拼音]:yamin dianzuqi[外文]:varistor具有非线性伏安特性并有抑制瞬态过电压作用的固态电压敏感元件。当端电压低于某一阈值时,压敏电阻器的电流几乎等于零;超过此阈值时,电流值随端电压的增大而急剧增加。压敏电阻器的非线性伏安特...