Description:
The DC-022 Power Jack is a 3-pin female socket designed to accept standard 5.5mm (outer) by 2.1mm (inner) DC barrel plugs. It is widely used in DIY electronics, repair projects, and small appliances. The 3-pin configuration includes a positive terminal, a negative terminal, and a "switch" pin that can be used to automatically disconnect an internal battery when an external power adapter is plugged in.
Features:
Secure Panel Mounting: Comes with a metal hex nut for easy installation on chassis or project boxes.
3-Pin Terminal: Includes a normally-closed switch pin, ideal for projects that alternate between battery and wall power.
Universal Compatibility: Fits the most common DC power adapter size (5.5mm x 2.1mm).
Robust Construction: High-temperature plastic housing with silver-tone metal terminals for easy soldering.
Polarized Pins: Features a long foot (negative/-) and a short foot (positive/+) for clear identification during wiring.
Specifications:
Model: DC-022
Connector Type: Female Socket (Barrel Jack)
Plug Size Compatibility: 5.5mm (OD) x 2.1mm (ID)
Mounting Hole Diameter: 11mm to 12mm
Rated Load: DC 12V 3A (supports up to 30V 0.5A - 2A depending on load)
Contact Resistance: ≤0.03Ω
Insulation Resistance: ≥100MΩ (DC 250V)
Operating Temp Range: −30°C to +70°C
Material: Plastic, Metal (Brass/Nickel plating)
