Peak voltage suppression circuit

The invention discloses a peak voltage suppression circuit, which belongs to the technical field of power supplies and comprises a switching tube and a plurality of voltage stabilizing diodes, the plurality of voltage stabilizing diodes are connected in series in the same direction, cathodes after series connection are connected with a drain electrode of the switching tube, and anodes after series connection are connected with a gate electrode of the switching tube. The clamping voltage of the peak voltage suppression circuit changes slightly along with current and temperature; the circuit is simple in structure and easy to implement and apply. 本发明公开了一种尖峰电压抑制电路，属于电源技术领域，包括开关管与多个稳压二极管，多个稳压二极管同向串联，串联后的阴极连接所述开关管的漏极，串联后的阳极连接所述开关管的门极。本发明一种尖峰电压抑制电路的钳位电压随电流变化小、随温度变化小；电路结构简单，易于实现与应用。