That 25V rail is buzzing with ripple and you need a proper smoothing cap on the bench right now. This 22µF polarised electrolytic handles 70mA of ripple, drops straight onto your PCB, and gives you a clean DC output. RB PC mount – no adapter, no faff. Solder it in and call it done
| capacitance | 22uF |
| voltage_rating | 25VDC |
| type | Electrolytic |
| mounting | RB - PC Mount |
| ripple_current | 70mA |
| polarity | Polarised |
| brand | JAYCAR |