BUY SM6A27 https://www.utsource.net/itm/p/991473.html
Surface Mount Automotive Transient VolTAGE Suppressor
Package: DO-218，GS Description: SM6A27 is a 6A, 400V, sensitive gate, thyristor. Features: - High surge current capability - Low on-state voltage - Low gate trigger current - Low thermal resistance - High commutation capability - High temperature operation - High voltage capability - Low forward voltage drop Applications: - Motor control - Lighting control - Power control - Heating control - Power switching (For reference only)