A DC connector is a physical interface between a power adapter and a device, designed to deliver direct current (DC) power.
Common DC Connector Types
| Type | English Name | Features & Applications |
| Barrel Connector | Barrel Connector | Universal design for routers,monitors (5.5×2.1mm) |
| USB Type-C | USB Type-C | Bidirectional power delivery with fast charging (phones,laptops) |
| DC Pin Connector | DC pin Connector | Industrial equipment, customizable power solutions (adjustable spacing) |
| Magnetic | Magnetic Connector | Anti-pull design(e.g.,Apple MagSafe) |
Global Standards & Certifications
IEC 60130-10
Specifies dimensional and electrical requirements for DC connectors.
UL 62368-1
US safety standard for insulation and voltage resistance.
CE Mark (EU)
Mandatory certification under Low Voltage Directive (LVD 2014/35/EU), covering 50-1000V AC/75-1500V DC products.
CCC Certification (China)
Mandatory product certification for power adapters and connectors in mainland China.
DC Interface Selection Guide
Device Compatibility
- Voltage tolerance ≤ ±5% (e.g., 11.4-12.6V for a 12V device)
- Current rating ≥ device requirement (3A adapter supports 2A device)
Physical Compatibility
- Diameter tolerance: ±0.1mm (prevents poor contact)
- Durability: >5,000 insertions (high-quality gold-plated contacts)
Environmental Requirements
- Temperature range: -20°C to +70°C (industrial grade: -40°C to +85°C)
- Protection rating: IP67 (dust/water resistant)