2.5 x 5.5 mm through-hole board mount barrel jack. Fits our 5 V 1 A and 5 V 3 A US power supplies. Fits a variety of boards, including Bulbdial Clock, Peggy 2, Peggy 2LE, Meggy Jr RGB, '2313 Target Boards, and Diavolino.
Note: our other power supplies take this 2.1 x 5.5 mm jack.
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