The BTB304AG-8-SW-TA3-T from Unisonic Technologies is a Triac with Breakover Voltage 800 V, Breakover Current 40 to 42 A, Gate Trigger Voltage 1.5 V, Gate Trigger Current 10 mA, Temperature Operating Range -40 to 110 Degree C. Tags: Through Hole. More details for BTB304AG-8-SW-TA3-T can be seen below.