PC817 (Optocoupler)
Single-channel optocoupler. CTR 80–600% (typ. 100%). Higher drive than 4N25, commonly used for MCU-to-mains isolation.

| Pin | Signals |
|---|---|
| AN | — |
| CAT | — |
| COL | — |
| EMIT | — |
Use it
Section titled “Use it”Add it from the component picker — search for “PC817 (Optocoupler)” (tags: optocoupler, optoisolator, pc817, isolation, analog). Right-click it on the canvas for the in-editor datasheet, and check the examples gallery for circuits that use it.