PHASE control SCR TO-220 fullPAK 相位控制可控硅至220 fullPAK PHASEcontrolSCRTO-220fullPAK 1600V 16A Phase control SCR in a TO-220 full-Pak package 1200V 16A Phase control SCR in a TO-220 full-Pak package 800V 16A Phase control SCR in a TO-220 full-Pak package