Spark Electronics FEMALE DC POWER ADAPTER - 2.1MM PLUG TO SCREW TERMINAL

Female DC Power adapter - 2.1mm plug to screw terminal If you need to connect a DC power wall wart to a board that doesn\'t have a DC jack - this adapter will come in very handy! There is a 2.1mm DC jack on one endand a screw terminal block on the other. The terminals are labeled with positive/negative assuming a positive-tip configuration (B.5) (which is the most common).