double thyristor module (SCR), On-state maximum average current: 500 A (at 85°C)., Repetitive Voltage Peak Reverse/Off-State: 1400 V, RMS On-State Current (Max): 900 A., On-state surge current: 14,500 A., Maximum junction temperature: 125 °C., Thermal resistance, case jointA: 0.058 K/W., Type: Double thyristor (series connection)., Dimensions (L×B×H): 150x60x52 mm.