BUY MCT275 https://www.utsource.net/itm/p/11648037.html

Description: The MCT275 is a 6-pin DIP (Dual In-line Package) optocoupler from Vishay. Features: High isolation voltage of 5000Vrms Low input current of 1mA High CTR of 1000% at 5mA High speed switching of 10μs Low power consumption of 0.5mW Applications: The MCT275 is suitable for use in applications such as motor control, power supplies, and industrial automation. It can also be used in applications that require high isolation voltage, low input current, high CTR, high speed switching, and low power consumption. (For reference only)