The 16RIA120 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 1200 V, Breakover Current 285 A, Gate Trigger Voltage 2.0 V, Gate Trigger Current 60.0 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Stud Mount. More details for 16RIA120 can be seen below.