The BTB12-600CW3G from Littelfuse is a Triac with Breakover Voltage 600 V, Breakover Current 12 A, Gate Trigger Voltage 1.1 V, Gate Trigger Current 0.035 A, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for BTB12-600CW3G can be seen below.