T835-600G-TR.
STMicroelectronics
Price range: $1.10 - $2.04
TRIAC 600V 8A D2-PAK; Peak Repetitive Off-State Voltage Vdrm:600V; Gate Trigger Current Max (QI) Igt:35mA; Peak Gate Power:1W; Gate Trigger Voltage Max Vgt:1.3V; Triac Case Style:TO-263; Peak Non Rep Surge Current Itsm 50Hz:80A