The 25RIA160 from RIR Power Electronics is a Silicon Controlled Rectifier with Breakover Voltage 1600 V, Breakover Current 350 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 25RIA160 can be seen below.