The BTA12L-8-B-TF3-T from Unisonic Technologies is a Triac with Breakover Voltage 800 V, Breakover Current 120 to 126 A, Gate Trigger Voltage 1.3 V, Gate Trigger Current 50 to 100 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for BTA12L-8-B-TF3-T can be seen below.