The T4M10T600B(LS) from Diodes Incorporated is a Triac with Breakover Voltage 600 V, Breakover Current 40 A, Gate Trigger Voltage 1.3 V, Gate Trigger Current 10 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Through Hole. More details for T4M10T600B(LS) can be seen below.