Manufacturer: Vishay Semiconductors Part Number: VS-40TPS12A-M3 Device Type: Silicon Controlled Rectifier (SCR / Thyristor) Key Specifications • Repetitive Peak Off-State Voltage (VDRM/VRRM): 1200 V • Average On-State Current (IT(AV)): 35 A • RMS On-State Current (IT(RMS)): 55 A • Surge Current (ITSM): 500 A (50 Hz) • Gate Trigger Voltage (VGT): 2.5 V (Max) • Gate Trigger Current (IGT): 150 mA (Max) • On-State Voltage (VTM): 1.85 V (Max) • Holding Current (IH): 200 mA (Max) • Package: TO-247AC (Through Hole) • Operating Temperature: -40°C to +125°C • RoHS Compliant: Yes Applications • AC Phase Control • Soft Starters • Motor Speed Controllers • Industrial Power Supplies • Battery Chargers • Welding Equipment • Temperature Control Systems • Static Switches