The UT136EG-5-TN3-R from Unisonic Technologies is a Triac with Breakover Voltage 500 V, Breakover Current 25 to 27 A, Gate Trigger Voltage 0.4 to 1.5 V, Gate Trigger Current 2.5 to 25 mA, Temperature Operating Range -40 to 125 Degree C. Tags: Surface Mount. More details for UT136EG-5-TN3-R can be seen below.