TRIAC 4A 600V TO-220AB; Peak Repetitive Off-State Voltage Vdrm:600V; On State RMS Current IT(rms):4A; Triac Case Style:TO-220AB; Gate Trigger Current Max (QI) Igt:70mA; Gate Trigger Voltage Max Vgt:1V; Peak Gate Power:5W; Peak Non Rep Surge Current Itsm 50Hz:27A; Holding Current Max Ih:15mA; No. of Pins:3Pins; Operating Temperature Max:125°C; Product Range:BT136 Series