BUY HCPL-2503 https://www.utsource.net/itm/p/1883455.html
OPTOISO 3.75KV TRANS W/BASE 8DIP
Description: The HCPL-2503 is an optocoupler from Broadcom Limited. It is a 8-pin DIP package optocoupler with an open collector output.
Features:
High speed switching
High common mode transient immunity
High isolation voltage
Low input current
Low output saturation voltage
UL recognized
Applications:
Data transmission
Industrial control
Telecommunication
Computer peripherals
Power supplies
Motor control
(For reference only)