晶闸可控硅K1947ZD440 P855DH44/K2065VC360 KX162VC360
西玛晶闸可控硅K1947ZC440 P855CH44/K1947ZD400 P855DH40
西玛高压晶闸管K1947ZC400 K1947ZC440 K1947ZD400 K1947ZD440
西玛平板可控硅K1947ZC400K1947ZC440K1947ZD400K1947ZD440
K1947ZD400 P855DH40 K1947ZD440 P855DH44西玛WESTCODE晶闸管
可控硅平板型K1947ZC400/440
