Barrel - Power Cables

Image Part Number Description / PDF Quantity Rfq
10-02761

10-02761

Tensility International Corporation

SPLITTER 5.5X2.5MM F TO X2 M

0

10-02322

10-02322

Tensility International Corporation

CBL ASSY 2.1MM JACK-PLUG FLAT 6'

392

10-02398

10-02398

Tensility International Corporation

CABLE ASSY 5.5X2.5MM M/F 15'

0

10-02501

10-02501

Tensility International Corporation

CBL ASSY 2.35X0.7MM RA 6' 24AWG

0

10-02957

10-02957

Tensility International Corporation

CBL ASSY 5.5X2.5MM PLUG 18AWG 6'

248

10-03614

10-03614

Tensility International Corporation

CBL ASSY 2.5MM JACK-PLUG RND 10'

430

10-01070

10-01070

Tensility International Corporation

CBL ASSY M STR 1.35MM 6' 24 AWG

519

10-02249

10-02249

Tensility International Corporation

CBL ASSEM STR JACK 1.35MM 24AWG

588

10-02562

10-02562

Tensility International Corporation

CBL ASSY 2.1MM PLUG-PLUG FLAT 3'

1140

10-01782

10-01782

Tensility International Corporation

CBL ASSY 2.1MM M-F 6' 18AWG

320

10-02248

10-02248

Tensility International Corporation

CBL ASSEM STR JACK 2.1MM 24AWG

0

10-02240

10-02240

Tensility International Corporation

CBL ASSEM 2.1MM M-F 18AWG

0

10-02529

10-02529

Tensility International Corporation

CBL ASSY M-F 4.75X1.7MM 6' 18AWG

0

CA-2221

CA-2221

Tensility International Corporation

CBLE ASSY DC PLG 0.9MM 6' 24AWG

38

10-02378

10-02378

Tensility International Corporation

CBL ASSY M STR 2.1MM 20' 16AWG

463

10-00124

10-00124

Tensility International Corporation

CABLE ASSY 5.5X2.5MM R/A 2M

371

10-02225

10-02225

Tensility International Corporation

CBL ASSEM R/A PLUG 2.1MM 18AWG

387

10-02763

10-02763

Tensility International Corporation

SPLITTER 5.5X2.5MM F TO X4 M

0

10-02484

10-02484

Tensility International Corporation

CBL ASSY M 3.5X1.1MM 6' 24AWG

0

10-02789

10-02789

Tensility International Corporation

SPLITTER 3.5X1.35MM M TO X3 F

0

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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