DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter.
**Datasheets:**[
](http://www.sparkfun.com/datasheets/Prototyping/Barrel-Connector-PJ-202A.pdf)
* [ Datasheet](http://www.sparkfun.com/datasheets/Prototyping/Barrel-Connector-PJ-202A.pdf)