unijunction transistor

例句：

1. 1. The unijunction transistor is a type of electronic device that can switch on and off quickly.
   单结点晶体管是一种可以快速开关的电子器件。
2. 2.In the field of electronics, unijunction transistors are widely used in digital circuits.
   在电子领域，单结点晶体管被广泛应用于数字电路中。
3. 3. The unijunction transistor has a high breakdown voltage and low power consumption, making it an ideal choice for power supply circuits.
   单结点晶体管具有高击穿电压和低功耗，因此是电源电路的理想选择。