BUY PS2561AL2-1-E3 https://www.utsource.net/itm/p/1912592.html
Transistor Output Optocoupler, 1-Element, 5000V Isolation, SURFACE MOUNT, PLASTIC PACKAGE-4
Description: The PS2561AL2-1-E3 is a 4-pin SOP (Small Outline Package) optocoupler manufactured by NEC Electronics America Inc.
Features:
Isolation voltage of 5000 Vrms
High speed response time of 1.3 μs
Low input current of 1 mA
Low output saturation voltage of 0.4 V
Operating temperature range of -40°C to 85°C
Application: The PS2561AL2-1-E3 is used in a variety of applications, including signal isolation, motor control, power supply control, and various other industrial and consumer applications.
(For reference only)