The CT412B-800B from Changjing Electronics Technology is a Triac with Breakover Voltage 800 V, Breakover Current 120 A, Gate Trigger Voltage 1.3 V, Gate Trigger Current 30 to 50 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for CT412B-800B can be seen below.