The DC Power Connector Female 5.5x2.1mm is a highly reliable, heavy-duty barrel jack adapter designed to simplify power delivery integrations in low-voltage electronic projects. Standardized to interface seamlessly with standard male wall adapters and power supplies, it features a rugged 2-pin screw terminal block on the rear, completely eliminating the need for delicate soldering work. This hardware establishes an instant, secure mechanical connection for bare wire leads, routing power directly to microcontrollers, single-board computers, or LED strips. Built with structural polarity markings, durable ABS plastic insulation, and low-impedance internal metal loops, it serves as an essential, zero-fuss power interface link for robotics, prototyping benches, and custom electronic frames.
Overview:
The DC Power Connector Female 5.5x2.1mm provides a dependable and highly versatile power patching solution for makers, hobbyists, and rapid prototyping applications. Traditional barrel jack integrations typically require permanent solder contacts or customized molded wires, which can slow down experimental design loops; this adapter bypasses those packaging constraints entirely by utilizing heavy-duty screw terminals. The internal contact structure is optimized for standard 5.5mm outer diameter and 2.1mm inner pin barrel plugs, establishing a solid friction fit that prevents accidental power disconnects or line dropping under physical motion. Outfitted with high-contrast polarity symbols on the top surface, it minimizes the risk of reverse-voltage wiring errors. Whether you are deploying custom LED lighting rigs, wiring battery boxes to breadboards, or feeding regulated rails into single-board devices, this compact socket terminal ensures safe, clean, and re-configurable power routing.
Features:
- Standardized Barrel Form Factor: Engineered to accept standard 5.5mm x 2.1mm male power adapters, ensuring universal hardware cross-compatibility.
- Integrated Solderless Terminal Block: Outfitted with a 2-pin heavy-duty screw terminal on the rear for quick, secure wire mounting without any soldering.
- High-Contrast Polarity Markings: Molded positive (+) and negative (-) indicators eliminate confusion, preventing dangerous reverse polarity setup mistakes.
- Optimized Electrical Efficiency: Premium nickel-plated copper contacts ensure excellent connectivity, ultra-low line impedance, and zero chemical oxidation.
- Flexible Strain-Relief Casing: Rugged, impact-resistant thermoplastic polymer shell provides durable insulation and steady protection against strain.
- Multi-Gauge Wire Support: Screw clamp terminals adjust comfortably to secure varying wire gauges, handling thin hookup wires or thicker power lines seamlessly.
- Rapid Prototyping Baseline: Enables rapid power rail reconfiguration on the fly using a standard small screwdriver, accelerating build cycles.
- Stable Low-Voltage Execution: Handles continuous operational electrical loads cleanly, providing a steady power anchor for microcontrollers and hardware modules.
Specification:
- Connector Component Type: DC Barrel Power Jack / Female Socket Adapter
- Inner Pin / Outer Diameter Dimensions: 2.1mm Inner Pin / 5.5mm Outer Barrel Barrel
- Connection Termination Style: 2-Pin Screw Terminal Block (Interlocking Clamp)
- Terminal Plating Material: Low-Impedance Nickel-Plated Copper Contacts
- Housing Compound: High-impact Polyvinyl Chloride (PVC) & ABS Engineering Plastic
- Maximum Rated Voltage: Up to 36V DC
- Maximum Rated Current Capacity: Up to 5A continuous duty cycle
- Dimensions Profile: Approximately 39mm × 14mm × 13mm
- Net Component Weight: ~7.5 g
Solderless Low-Voltage Power Patching
Take full control of your external power delivery lines without cluttering your workspace or layout packaging. By replacing standard bare contacts with screw terminal clamp blocks, this compact female connector allows you to splice, split, and re-configure your electrical inputs on the fly, speeding up rapid assembly chains.
Optimized for Multi-Platform Project Interfacing
— Engineering focused on universal development simplicity. The standardized 5.5x2.1mm footprint lets you tap common commercial power adapters—such as 5V wall warts, 12V desktop bricks, or portable battery banks—and bridge them safely onto bare breadboard pins, protecting sensitive internal circuits from loose wire failures.
Rugged Construction Tailored for Workbench Duty
- Reliable power routing that is built to handle frequent usage cycles. Combining a tough impact-resistant plastic casing shell with heavy-duty internal spring terminals, this DC adapter withstands continuous mechanical connections, preventing micro-disconnection gaps during heavy robotics operations.
Package includes:
- 1 x DC Power Connector Female 5.5x2.1mm (with attached 2-pin screw terminal block)
