Full fit
DC barrel plug 5.5 x 2.1 mm
Mechanically full. Polarity is not implied by the connector and has to come from the device profiles.
DC barrel socket 5.5 x 2.1 mm
Panel or board DC input socket. A 2.5 mm plug will rattle in a 2.1 mm socket and make intermittent contact.
Contacts
| Position | Name |
|---|---|
| 1 | centre |
| 2 | sleeve |
What it mates with
Mating is directional, so the two lists below are genuinely different: a TS plug in a TRS socket and a TRS plug in a TS socket short different things.
DC barrel socket 5.5 x 2.1 mm used as the plug
Nothing recorded with this connector as the plug.
DC barrel socket 5.5 x 2.1 mm used as the receptacle
Devices with this connector
amplifier board
Estimated5 ports