The optocoupler PC817 contains a single optocoupler in a DIP 4 casing...
Circuit symbol optocouplers. |
An optocoupler PC817. (Enlarge) |
| Pin | Description |
| 1 | LED (Anode) |
| 2 | LED (Cathode) |
| 3 | Phototransistor (Emitter) |
| 4 | Phototransistor (Collector) |
Pin assignment of the optocoupler PC817.
