STMICROELECTRONICS
三端双向可控硅, 600 V, 50 mA, 1 W, 1.5 V, TO-220AB, 250 A
SEMIKRON
晶闸管, 1600 V, 100 mA, 22 A, 24 A, 带螺纹螺栓, 3 引脚