The BTA20-600BW from Youfeng Microelectronics is a Triac with Breakover Voltage 600 V, Breakover Current 210 A, Gate Trigger Voltage 1.3 V, Gate Trigger Current 50mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for BTA20-600BW can be seen below.