The module generally requires a load to be connected for regulation to be possible.
| Original | Replacement | Notes | | :--- | :--- | :--- | | Sharp PC9892 | | Pin-for-pin compatible, faster speed | | Sharp PC9892 | Toshiba TLP114A | Higher CTR (35%), better for aging circuits | | Sharp PC9892 | Fairchild (ON Semi) FODM452 | Smaller package, use adapter board | my 9892 datasheet
Ensure all high-voltage AC connections are insulated. Never adjust internal components while the power is connected. Potentiometer Safety: The module generally requires a load to be