DC barrel plug (bare wires)
5.5 × 2.1 mm male barrel plug on a short lead · centre pin + (red) · sleeve − (black) · 5 A · lead ends crimped in butt splices under heat-shrink: no bare copper · power a router straight from a bench supply or battery
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Pins
- Plug centre pin (+)
- Plug sleeve (−)
- + (red lead)
- − (black lead)
Lessons and builds that use it
- 200 Ah power station from four 3.2 V prismatic LiFePO4 cells: 4S BMS, 2 × 12 V, 3 × USB, mains charger (build)
- 200 Ah power station on a 12.8 V LiFePO4 battery: 2 × 12 V, 3 × USB, mains charger (build)