Barrel - Power Cables

Image Part Number Description / PDF Quantity Rfq
10-02531

10-02531

Tensility International Corporation

CBL ASSY RA M-F 6.5X2.5MM 6'

0

10-03609

10-03609

Tensility International Corporation

CBL ASSY 2.1MM JACK-CBL RND 1'

0

10-01252

10-01252

Tensility International Corporation

CBL M-F 2.5MM 3' 18AWG WHT

0

10-02550

10-02550

Tensility International Corporation

CBL RA M 2.5MM-RA M 2.1MM 18AWG

0

10-03618

10-03618

Tensility International Corporation

CBL ASSY 2.5MM JACK-PLUG RND 10'

0

10-02546

10-02546

Tensility International Corporation

CBL M 5.5X2.5MM-RA M 5.5X2.1MM

0

10-02233

10-02233

Tensility International Corporation

CBL ASSEM 2.5MM M-F 18AWG

0

10-03347

10-03347

Tensility International Corporation

CBL ASSEM 2.5MM M-F 16AWG

0

10-02561

10-02561

Tensility International Corporation

CBL ASSY 2.5MM PLUG-PLUG FLAT 3'

154

57-PRP2

57-PRP2

NTE Electronics, Inc.

CBL ASSY 2.5MM JCK-PLG RND 0.42'

1781

CA-2185

CA-2185

Tensility International Corporation

CABLE ASSY STR 2.1MM 6' 24 AWG

5581

10-02756

10-02756

Tensility International Corporation

SPLITTER 3.5X1.35MM M TO X3 M

0

10-03356

10-03356

Tensility International Corporation

CBL ASSEM R/A PLUG 2.1MM 16AWG

0

10-03332

10-03332

Tensility International Corporation

CBL ASSEM STR PLUG 2.1MM 16AWG

0

10-02220

10-02220

Tensility International Corporation

CBL ASSEM STR PLUG 2.5MM 18AWG

0

10-01249

10-01249

Tensility International Corporation

CBL M 1.35MM 6' 24AWG WHT

0

CAS76007984

CAS76007984

Switchcraft / Conxall

2M PWR CBL STRAIGHT 2.0MM STIP/T

58

10-02733

10-02733

Tensility International Corporation

SPLITTER 5.5X2.5MM M TO X4 M

0

10-02749

10-02749

Tensility International Corporation

SPLITTER 3.5X1.35MM F TO X2 M

430

10-02728

10-02728

Tensility International Corporation

SPLITTER 5.5X2.5MM M TO X2 F

207

Barrel - Power Cables

1. Overview

Barrel power cables are cylindrical connectors primarily used for delivering DC power to electronic devices. Featuring a concentric conducting surface design, they provide reliable electrical connections while maintaining mechanical stability. These cables play a critical role in modern electronics by enabling efficient power transmission for consumer, industrial, and specialized equipment.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Standard BarrelBasic DC power delivery, 2.1-5.5mm diameter variationsLaptops, routers, consumer electronics
High-Current BarrelEnhanced contact area for >5A applicationsIndustrial machinery, 3D printers
Locking BarrelMechanical locking mechanism for vibration resistanceMedical equipment, aerospace systems
Waterproof BarrelIP67-rated sealing for outdoor/harsh environmentsOutdoor LED displays, construction equipment

3. Structure & Composition

Typical construction includes: - Central copper conductor (4-18 AWG) with tin/silver plating - High-density polyethylene (HDPE) insulation layer - Braided shielding (aluminum/mylar) for EMI protection - Durable PVC/TPU outer jacket - Precision-machined brass contacts with gold/nickel plating The barrel shell maintains concentricity within 0.02mm tolerance.

4. Key Technical Specifications

ParameterValue RangeSignificance
Voltage Rating12-48V DCDetermines power delivery capacity
Current Capacity1-15AAffects thermal performance
Contact Resistance 5m Impacts power efficiency
Temperature Range-40 C to +105 CDefines operational limits
Durability5,000-10,000 mating cyclesDetermines service life

5. Application Fields

Major application areas include: - Consumer Electronics: Notebook adapters, gaming consoles - Industrial Automation: CNC machines, robotics - Medical Devices: Diagnostic equipment, infusion pumps - Telecommunications: Network routers, base stations - Automotive: EV charging systems, infotainment units

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
AmphenolDCB Series15A rating, military-grade durability
TE ConnectivityPower Barrel 703Hybrid power/data transmission
MolexMini-Fit Jr.Compact 4.0mm design
Bel FusePWR-BLKIntegrated fuse protection

7. Selection Guidelines

Key selection criteria: - Match voltage/current requirements with safety margins - Consider environmental factors (temperature, moisture) - Verify mechanical compatibility (diameter/plug depth) - Assess EMI shielding needs - Prioritize connectors with IP ratings for harsh environments - Confirm compliance with RoHS, REACH, and UL standards

8. Industry Trends

Emerging trends include: - Miniaturization (sub-3mm barrel diameters) - Increased power density (>20A capabilities) - Integration of smart power management - Adoption of eco-friendly halogen-free materials - Standardization of quick-lock mechanisms

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