Single-arm Half-controlled Thyristor Module, MFA,MFC, MFK, Voltage/Current range: 25-1000A/800-1800V; Single-arm Thyristor Module, MTA,MTC, MTK,Voltage/Current range: 25-1000A/800-1800V; Single-phase Half-bridge with Free-wheeling Diode, MFQ, TFQ,Voltage/Current range: 40-100A/1200-1600V; Three-phase Bridge & Thyristor Module, MDST,Voltage/Current range: 50-250A/600-1600V;