BUY HCPL-A7841 https://www.utsource.net/itm/p/1888969.html
Description: The HCPL-A7841 is an optically coupled isolator consisting of an AlGaAs LED and an integrated high gain photo detector.
Features:
* High Speed: tPHL/tPLH = 10/10 ns (typical)
* High Isolation Voltage: Viso = 5000 Vrms
* Low Input Current: Iin = 5 mA (max)
* Low Output Saturation Voltage: Vce(sat) = 0.4 V (max)
Applications:
* Power Supply Isolation
* Industrial Control
* Motor Control
* Switching Power Supplies
* Automotive
(For reference only)