Standards List for DC Power Connectors.
| Outer Diameter (OD) | Inner Diameter (ID) | Common Usage |
|---|---|---|
| 2.35mm | 0.7mm | Small electronic devices |
| 3.5mm | 1.1mm | Certain models of laptops, cameras |
| 3.5mm | 1.3mm | Portable devices, small electronics |
| 4.0mm | 1.7mm | Laptops, LCD monitors, certain printers |
| 5.0mm | 2.1mm | Routers, standard devices requiring low power |
| 5.5mm | 2.1mm | Most common size, wide range of electronics |
| 5.5mm | 2.5mm | Many laptops, monitors, larger devices |
| 5.5mm | 3.0mm | Some laptops (e.g., Dell) |
| 6.3mm | 3.0mm | High-power devices, industrial equipment |