TVS管是瞬态电压抑制器（Transient  Voltage  Suppressor）的简称。它的特点是：响应速度特别快（为ns级）；耐浪涌冲击能力较放电管和压敏电阻差，其10/1000μs波脉冲功率从400W～30KW，脉冲峰值电流从0.52A～544A；击穿电压有从6.8V～550V的系列值，便于各种不同电压的电路使用。
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