Yesn't. They don't operate at DC, so things like placement do matter. TVS diodes should be placed right next to the connector so it has the lowest possible indu

Yesn't. They don't operate at DC, so things like placement do matter. TVS diodes should be placed right next to the connector so it has the lowest possible inductance - which means the downstream hardware will see a less intense voltage spike. See [0], for example. It's a similar story with capacitors, which should be placed as close to the power-consuming part as possible, with the capacitor in-between the voltage rail and the component. See [1], for example. That doesn't mean it isn't going to do anything, though! It'll still work (especially bulk capacitors aren't very critical when it comes to placement), it'll just be less effective. [0]: https://fscdn.rohm.com/en/products/databook/applinote/discrete/diodes/pcb_layout_for_tvs_diodes_an-e.pdf https://fscdn.rohm.com/en/products/databook/applinote/discre... [1]: https://www.renesas.com/en/document/apn/an105-pcb-design-and-layout-considerations https://www.renesas.com/en/document/apn/an105-pcb-design-and...