It's a DC Power Jack Barrel connector Jack Female Plug. This DC-005 Female DC Power Jack Supply Socket 5.5×2.5mm is a good quality power connector compatible with all 5.5 male power jack from different sources.
- Plug Type: 5.5 x 2.5mm
- Pins: 3.
- Temperature: 30°C ~ +70°C.
- Rated load: up to DC 30V / 1.0A.
- Contact resistance: ≤0.03.
- Insulation resistance: ≥100 MΩ.