BUY TLP572 https://www.utsource.net/itm/p/1375609.html
Optocoupler - Transistor Output, 1 CHANNEL DARLINGTON OUTPUT OPTOCOUPLER, PLASTIC, DIP-6
Description: The TLP572 is an optically coupled isolator containing a GaAs light-emitting diode and an NPN silicon phototransistor.
Features:
Isolation voltage: 5000 Vrms
High speed: tpL = 0.5 μs (typ.)
Low input current: 0.5 mA (max.)
Low output saturation voltage: 0.3 V (max.)
High collector-emitter voltage: 80 V (min.)
Wide operating temperature range: -55°C to +100°C
Applications:
Isolation of digital signals
Isolation of analog signals
Isolation of power supplies
Isolation of control signals
Isolation of audio signals
(For reference only)