Your 63V rail is throwing ripple and you need a cap with real voltage headroom. This 22µF polarised electrolytic takes 100mA of ripple current, mounts flat onto your board, and keeps that noise where it belongs – out. RB PC mount. Solder it in and move on to the next part
| capacitance | 22uF |
| voltage_rating | 63VDC |
| type | Electrolytic |
| mounting | RB - PC Mount |
| ripple_current | 100mA |
| polarity | Polarised |
| brand | JAYCAR |