BT151-500R Thyristor 500V, 7.5A 15mA, TO-220

From the shop's description

BT151-500R, Thyristor 500V, 7.5A 15mA Specifications Attribute Value Rated Average On-State Current 7.5A Thyristor Type SCR Package Type TO-220AB Repetitive Peak Reverse Voltage 500V Surge Current Rating 132A Mounting Type Through Hole Maximum Gate Trigger Current 15mA Maximum Gate Trigger Voltage 1.5V Maximum Holding Current 20mA Pin Count 3 Dimensions 10.3 x 4.7 x 9.4mm Peak On-State Voltage 1.75V Minimum Operating Temperature -40 ?C Repetitive Peak Off-State Current 0.5mA Repetitive Peak Forward Blocking Voltage 500V Maximum Operating Temperature +125 ?C