DC Jack Male Power Connector – 5.5×2.1mm
🔌 DC Barrel Jack Male Power Connector – 5.5×2.1mm
The DC Barrel Jack Male Connector (5.5mm outer × 2.1mm inner) is a standard power plug commonly used for connecting power adapters to electronic devices. Ideal for Arduino, routers, CCTV cameras, LED strips, and DIY electronics projects.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Connector Type | DC Power Plug (Male) |
| Outer Diameter | 5.5 mm |
| Inner Diameter | 2.1 mm |
| Current Rating | Up to 5A (depends on wire gauge) |
| Voltage Rating | Up to 30V DC (recommended below 24V) |
| Mount Type | Solder-type terminals or screw terminals |
| Shell Material | PVC or ABS plastic with metal tip |
| Polarity | Center-positive (standard) |
📌 Use Cases
Connect to 12V/9V/5V DC adapters
Power Arduino or Raspberry Pi-based circuits
Use in CCTV, LED lighting, routers, and wireless gear
Great for battery or custom power supply systems
🧰 Wiring Guide (Solder or Terminal Type)
Center Pin = +V (positive)
Outer Sleeve = GND (negative)