The UT137EG-6-TA3-T from Unisonic Technologies is a Triac with Breakover Voltage 600 V, Breakover Current 65 to 71 A, Gate Trigger Voltage 0.25 to 1.5 V, Gate Trigger Current 2.5 to 25 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for UT137EG-6-TA3-T can be seen below.