Description
2.1mm x 5.5mm Male DC Power Plug Rewireable Connector
Product Overview
The 2.1mm Male DC Power Plug Connector is an industry-standard, heavy-duty barrel plug component engineered to construct custom power cables, assemble custom length power lines, or replace worn-out fittings on existing DC wall adapters. Outfitted with a precision-machined 2.1mm inside diameter center sleeve and a 5.5mm outside diameter barrel prong, this component allows technicians to terminate clean low-voltage DC lines that interface flawlessly with standard female barrel sockets.
Designed for robust long-term deployments, this rewireable connector features an internal layout equipped with elongated, heavy-duty solder lugs that ensure high mechanical strength once fused. Enclosed within a durable, high-insulation plastic screw-on shell and paired with an integrated flexible strain relief boot, this plug assembly provides an exceptionally tight mechanical bond capable of withstanding heavy daily use and physical pulling stress.
Key Features
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Universal 2.1mm x 5.5mm Dimensions: Precision manufactured to form a tight, friction-fit mechanical connection with matching standard 2.1mm female jacks, entirely eliminating physical loose contacts and intermittent power cycles.
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Heavy-Duty Internal Solder Lugs: Outfitted with spacious, easily accessible solder terminals that accommodate high-gauge power lines with excellent structural adhesion and low internal resistance.
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High-Insulation Screw-On Shell: Encased in a rugged, threaded engineering polymer sleeve that protects internal solder connections from external bridging, shorts, and mechanical crushing.
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Integrated Flexible Strain Relief Boot: Outfitted with a built-in rubberized collar boot that dampens sharp cable bends at the plug entry point, preventing wire jacket tearing and internal core snapping.
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Excellent Thermal Performance: Fabricated with high-grade internal insulation plates that maintain exact terminal alignment during manual high-heat soldering cycles.
Technical Specifications
| Parameter | Specification |
| Component Type | Inline Male DC Barrel Power Plug / Rewireable Assembly Connector |
| Barrel Plug Size | 2.1mm Inside Diameter (ID) x 5.5mm Outside Diameter (OD) |
| Pin Configuration (Poles) | 2 Poles (Center Sleeve and Outer Prong Cylinder) |
| Termination Style | Internal Metal Solder Lugs / Tabs |
| Housing Assembly | Two-Piece Threaded Screw-On Barrel Shell |
| Material (Housing) | High-Impact, Flame-Retardant ABS / PVC Polymer |
| Material (Contacts) | High-Conductivity Brass Alloy, Nickel-Plated |
| Rated Operating Voltage | 12V to 36V DC Max |
| Rated Current Load | 3A to 5A Continuous Max (Depending on wire gauge utilized) |
| Contact Resistance | $\le 0.02\,\Omega$ ($20\,\text{m}\Omega$) |
| Insulation Resistance | $\ge 100\,\text{M}\Omega$ at 500V DC |
| Compatible Wire Diameters | Optimally accepts up to 4.0mm to 5.0mm outer jacket cable stalks |
Applications
The universal standard power interface for custom cable fabrication, hardware deployment, and tool maintenance:
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Custom Length DC Extension Cables: Allowing technicians to build custom-tailored power runs paired with matching female lines to cleanly distribute DC juice across factory lines and test labs.
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Wall Adapter Cord Repairs: Serving as a reliable, heavy-duty replacement end-piece for fixing severed or failed male barrel plugs on commercial power bricks and battery charging lines.
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Battery Pack Main Disconnect Leads: Providing a reliable, easily disconnectable power output terminal on custom lithium-ion arrays, lead-acid boxes, and solar tracking systems.
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Industrial Automation & Robotics Lab Modules: Supplying stable, low-voltage DC inputs from shared distribution lines directly into localized microcontroller frames, step drivers, and automated sensor grids
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