Description
2.1mm x 5.5mm Male DC Power Plug to Bare Endless Wire Pigtail Cable (25cm)
Product Overview
The 2.1mm Male DC Power Plug to Bare Endless Wire Cable (commonly referred to as a DC pigtail or open-end power lead) is a premium, heavy-duty power interface cable engineered for fast, reliable low-voltage DC installations. Outfitted with a precision-molded 2.1mm x 5.5mm male barrel plug on one end and 25cm of pre-stripped, split endless wire on the other, this cable allows field technicians and developers to wire power lines directly into terminal blocks, solder pads, or custom distribution arrays.
Constructed with a high-purity copper core and insulated in a thick, flexible polyvinyl chloride (PVC) jacket, this 25cm cable ensures minimal voltage drop and excellent thermal performance. It is the ideal connectivity component for plumbing power from commercial DC wall adapters into custom PCB prototypes, embedded hardware units, security cameras, and LED arrays.
Key Features
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Universal 2.1mm Barrel Dimensions: Precision manufactured to establish a snug, friction-fit connection into standard 2.1mm x 5.5mm female jacks, eliminating physical loose contacts and power cycling.
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Pre-Stripped Endless Wire Ends: The cable tail features cleanly split, pre-stripped, and pre-tinned bare wire leads, drastically reducing assembly time during terminal clamping or direct soldering.
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High-Purity Copper Core Conductor: Built using multi-strand copper wiring to maintain low internal resistance, ensuring efficient power transmission with zero thermal bottlenecking.
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Clear Polarity Color Coding: Utilizes industry-standard wire jacket color schemes (typically Red for Positive/Center Pin and Black for Negative/Outer Sleeve) to ensure rapid visual routing and prevent reverse-polarity damage.
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Seamless Injection-Molded Strain Relief: The barrel connector base is bound with a fully integrated, molded PVC strain relief collar, anchoring the wire firmly to protect internal core solder points from pulling stress.
Technical Specifications
| Parameter | Specification |
| Component Type | Male DC Barrel Power Plug to Open Bare Endless Wire (Pigtail) |
| Barrel Connector Size | 2.1mm Inside Diameter (ID) x 5.5mm Outside Diameter (OD) |
| Connector Configuration | Male Barrel Plug (Center Positive Standard configuration) |
| Cable Length | 25.0cm ($\approx 10\text{ inches}$) |
| Termination Style | Pre-Stripped, Pre-Tinned Open Bare Endless Leads |
| Conductor Material | High-Purity Multi-Strand Copper Wire |
| Outer Jacket Insulation | Flexible, Flame-Retardant PVC |
| Rated Max Voltage | 12V to 36V DC Max |
| Rated Max Current | 3A to 5A Continuous Max (Depending on exact wire gauge profile) |
| Operating Temperature | $-20^\circ\text{C}$ to $+80^\circ\text{C}$ |
| Insulation Resistance | $\ge 100\,\text{M}\Omega$ at 500V DC |
Applications
The go-to power termination cable for rapid deployment, field wiring installations, and electronic prototyping:
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Custom Control Box DC Power Feeds: Piping incoming low-voltage DC current directly from commercial wall bricks into internal circuit boards, voltage regulators, and logic buses inside custom product enclosures.
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CCTV & Security Camera Power Tracks: Widely utilized to run local DC power extensions from shared distribution panels or central switching power supplies directly into standard 12V surveillance cameras.
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Microcontroller & Embedded Prototyping Nodes: Providing a solid, easily solderable main power link for custom Arduino shields, ESP32 boards, Raspberry Pi extensions, and high-load relays.
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LED Strip Light Power Interfacing: Connecting single-color LED tape lights or localized driver modules directly to standalone switching DC power supplies or control junctions.
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