BUY TLP721F https://www.utsource.net/itm/p/158433.html
Optocoupler - Transistor Output, 1 CHANNEL TRANSISTOR OUTPUT OPTOCOUPLER, PLASTIC, DIP-4
Description: TLP721F is an optically coupled isolator containing a GaAs light-emitting diode and an NPN silicon phototransistor.
Features:
High isolation voltage: BV = 5300 Vrms (min)
High speed: tpLH/tpHL = 4.0/4.0 μs (typ.)
Low input current: Iin = 0.5 mA (max)
Low output saturation voltage: VCE(sat) = 0.4 V (max)
Compact package: DIP-4
Applications:
Isolation of digital signals
Isolation of analog signals
Isolation of power supply
Isolation of control signals
(For reference only)