BUY MOC119M https://www.utsource.net/itm/p/1144773.html
Photodarlington Optocoupler (No Base Connection)
MOC119M is a 6-pin optically coupled isolator manufactured by Fairchild Semiconductor. It is a single channel device that provides electrical isolation between input and output circuits. The device features a high common mode transient immunity of up to 25kV/μs and a high isolation voltage of up to 5kV. It is suitable for use in industrial applications such as motor control, power supplies, and process control. It can also be used in telecommunications and medical applications. (For reference only)