gate diode

例句：

1. 1. The gate diodeis a critical component in the circuit design.
   门极二极管是电路设计中的关键元件。
2. 2. The gate diode helps to regulatethe current flow through the device.
   门极二极管有助于调节通过该设备的电流流动。
3. 3.In this circuit, the gate diodeserves as a protection device against overheating.
   在这个电路中，门极二极管作为保护装置，防止过热。