Analysis of the causes of thyristor burnout

Analysis of the causes of thyristor burnout

Controllable silicon, also known as thyristor, is a special electronic device that can control and protect circuits, and is widely used in the fields of power electronics therapy and control. However, there may also be some issues with the thyristor during use, including the possibility of it burning out. This article will provide a detailed analysis and explanation of the causes of thyristor burnout.

The basic structure of thyristor

Before analyzing the causes of thyristor burnout, let's first understand the basic structure and working principle of thyristors. A thyristor is mainly composed of four pins, namely the control electrode (G), anode (A), cathode (K), and gate electrode (M). The current between the control electrode and the gate electrode can be used to control the conduction and cutoff of the thyristor, thereby achieving control and protection of the circuit.

In the operation of thyristors, the current between the control electrode and gate electrode, as well as the voltage between the anode and cathode, are very important. The magnitude and trend of the current and voltage will directly affect the working effect and lifespan of thyristors.