DC Jack 5.5mm 2.1mm Receptacle DC Socket with Rubber Cover Panel Mount
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| Customization: | Available |
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| Withstand Voltage: | 12V |
| Color: | Black |
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A DC Socket (Direct Current Socket), also known as a DC power jack or barrel jack, is an electrical connector designed for supplying low-voltage direct current power to electronic devices. It typically consists of a cylindrical female jack (receptacle) and a corresponding male plug, with standardized inner/outer diameters and pin configurations. Common specifications include sizes such as 5.5×2.1mm or 5.5×2.5mm, and voltage/current ratings tailored to device requirements. DC sockets often feature a center-positive or center-negative polarity configuration and may include built-in switches or grounding contacts for enhanced functionality.
Compact & Cost-Effective: Simple design suitable for mass production.
Safe & Reliable: Low-voltage operation reduces risk of electric shock.
Polarity Options: Configurable for diverse circuit designs.
Easy Integration: Standardized sizes simplify compatibility across devices.
| Product Name | DC Socket |
| Model | DC-025M |
| Operation Type | |
| Switch Combination | 1NO1NC |
| Terminal type | Terminal |
| Enclosure Material | Brass nickel |
| Delivery Days | 3-7 days after payment received |
| Contact Resistance | 50 mΩ max |
| Insulation Resistance | 1000MΩ Min |
| Operating Temperature | -20°C ~+55°C |
Key characteristics:
Type: Panel-mounted receptacle or PCB-mounted socket.
Materials: Brass/copper contacts with nickel or gold plating, insulating housing (plastic/rubber).
Operation: Secure connection via friction or locking mechanism, ensuring stable power transmission.
Consumer Electronics
Laptops, routers, monitors, and audio equipment (e.g., amplifiers, speakers).
Portable devices: Radios, LED lights, mini-fans.
IT & Communication Devices
Network switches, modems, CCTV cameras, and PoE (Power over Ethernet) adapters.
Industrial & Medical Equipment
Measurement instruments, handheld scanners, diagnostic devices.
Low-power machinery control units.
Renewable Energy Systems
Solar panels and battery connections for small-scale off-grid systems.
DIY & Prototyping
Arduino/Raspberry Pi projects, custom power supplies, and hobbyist electronics.
1. Unmatched Expertise & Focus
DC Specialists: We don't just sell connectors; we are dedicated experts in DC power solutions. Our deep technical knowledge ensures you get the right component for your specific application, from simple prototypes to complex industrial systems.
Engineer-to-Engineer Support: Our team includes technical specialists who can provide actionable advice on specifications, compatibility, and custom designs, saving you time and reducing project risk.
2. Superior Product Quality & Reliability
Premium Materials: We use high-conductivity brass/copper alloys with durable nickel or gold plating to ensure optimal electrical performance, low contact resistance, and excellent corrosion resistance.
Rigorous Testing: Every batch undergoes stringent quality control for dimensional accuracy, current rating, insertion/withdrawal force, and solderability. Our products meet or exceed international standards (RoHS, REACH).
Built to Last: Designed for thousands of mating cycles, our sockets offer superior mechanical durability and secure connections that resist vibration and loosening.
3. Extensive & Precise Product Range
Comprehensive Inventory: From the standard 5.5×2.1mm and 5.5×2.5mm jacks to less common sizes (3.5mm, 6.5×3.0mm), we stock an extensive range of PCB mount, panel mount, and SMD types.
Specialized Variants: We offer center-positive, center-negative, switched, and sealed/waterproof models to meet any design requirement.
High-Current & Custom Solutions: Need a 10A+ rated socket or a unique form factor? Our engineering team can develop custom or modified solutions efficiently.
4. Seamless Experience & Added Value
Global Logistics & Stock: Strategically located warehouses ensure fast, reliable delivery and reduced lead times for both small and bulk orders.
Sample Program: We encourage and support evaluation with our easy sample ordering process, allowing you to test quality and fit firsthand.
Value-Added Services: We provide detailed datasheets, CAD models (STEP, 3D), and application notes to streamline your design and procurement process.
5. Trusted Partnership
Proven Track Record: We are a trusted supplier to leading brands in consumer electronics, industrial automation, telecommunications, and renewable energy.
Competitive & Transparent Pricing: We offer excellent value through optimized manufacturing and direct relationships, providing clear pricing without hidden costs.
Commitment to Your Success: We view every order as the start of a long-term partnership, dedicated to supporting your product's reliability and your business growth.
A. Design & Performance Advantages
Precision Engineering: Ultra-tight tolerances on inner/outer diameters ensure a secure, wobble-free connection with the mating plug, preventing power interruption.
Superior Contact Design: Multi-finger contact springs provide greater surface area and consistent pressure for lower thermal resistance and higher current capability.
Enhanced Safety: Robust insulation and secure terminal designs minimize short-circuit risks. Polarization options prevent accidental reverse connection.
Thermal & Mechanical Strength: High-temperature resistant housing materials (e.g., PBT, Nylon) and reinforced solder tabs prevent cracking during assembly and use.
B. Application-Specific Advantages
For PCB Assembly: Tapered leads for easy insertion, compatible with both wave and reflow soldering. Stable footprint prevents tombstoning.
For Harsh Environments: Sealed versions with IP67/IP68 ratings offer excellent dust and moisture protection for outdoor or industrial applications.
For High-Vibration Use: Locking barrel jacks or sockets with screw threads provide an exceptionally secure connection that won't shake loose.
For Space-Constrained Designs: Available in ultra-low-profile and right-angle configurations to save valuable board space.
C. Supply Chain Advantages
Full Traceability: Complete material and production lot tracking for quality assurance and regulatory compliance.
Consistent Supply: Long-term agreements with raw material suppliers and mature manufacturing processes guarantee stable supply and consistent quality.
Packaging Excellence: Anti-static, taped-and-reeled (for SMD), or bulk packaging designed to protect products during shipping and facilitate production line handling.
In short: We combine deep technical expertise with consistently superior products and a customer-centric partnership approach. Choosing us means choosing reliability, performance, and peace of mind for every DC power connection in your project.
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