BUY HCPL4701 https://www.utsource.net/itm/p/6413569.html
Very Low Power Consumption High Gain Optocouplers
Description: The HCPL-4701 is an optically coupled isolator consisting of an AlGaAs LED and an integrated high gain photo detector. Features: -High common mode transient immunity of >25kV/μs -High speed: tPHL/tPLH = 10ns max -Low input current: IIN = 1mA max -Low output saturation voltage: VCE(sat) = 0.4V max -High isolation voltage: Viso = 5000Vrms Applications: -Industrial control systems -Telecommunication systems -Power supply systems -Computer systems -Medical systems (For reference only)