thyristor 2913A phase control thyristorS 相位控制晶闸 N/A 2400V 1470A phase control SCR in a A-24 (K-Puk) package 1600V 1470A phase control SCR in a A-24 (K-Puk) package 2000V 1470A phase control SCR in a A-24 (K-Puk) package 2200V 1470A phase control SCR in a A-24 (K-Puk) package