component
PC817
UnreviewedGeneral-purpose optocoupler — phototransistor output, 5kV isolation
PC817
The PC817 is the most widely used general-purpose optocoupler with phototransistor output and 5kV isolation. Essential for galvanic isolation between high-voltage and low-voltage circuits: SMPS feedback, PLC I/O, and relay drivers. DIP-4.