Barrel - Power Cables

Image Part Number Description / PDF Quantity Rfq
CARA761K07984

CARA761K07984

Switchcraft / Conxall

2M PWR CBL RIGHT ANGLE 2.5MM LOC

0

10-02391

10-02391

Tensility International Corporation

CABLE ASSY 5.5X2.5MM M/F 10'

214

10-02548

10-02548

Tensility International Corporation

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

0

10-01271

10-01271

Tensility International Corporation

CBL F 1.7MM 3' 24AWG WHT

0

CARAS761KS07984

CARAS761KS07984

Switchcraft / Conxall

SEALED DC POWER CABLE ASSY, 0.08

98

10-03369

10-03369

Tensility International Corporation

CBL ASSEM 2.5MM R/A M-F 16AWG

0

172-0015

172-0015

MPD (Memory Protection Devices)

PLUG DC MOLD 24AWG STR 2.1MM 6'

0

172-1018

172-1018

MPD (Memory Protection Devices)

PLUG DC MOLD 22 AWG RA 2.5MM 10'

158100

CARA76207984

CARA76207984

Switchcraft / Conxall

2M PWR CBL RIGHT ANGLE 2.1MM STI

32

10-02961

10-02961

Tensility International Corporation

CBL ASSY 5.5X2.1MM PLUG 18AWG 6'

355

10-03137

10-03137

Tensility International Corporation

CBL ASSY 2.5MM JACK-CBL FLAT 6'

458

10-02502

10-02502

Tensility International Corporation

CBL ASSY M 5.5X2.5MM RA 6' 24AWG

0

10-03135

10-03135

Tensility International Corporation

CBL ASSY LSZH STR M-F 2.5MM 6'

488

10-01260

10-01260

Tensility International Corporation

CBL F 2.5MM 6' 18AWG WHT

0

10-02563

10-02563

Tensility International Corporation

CBL RA M 2.5MM-RA M 2.1MM 6'

0

10-02725

10-02725

Tensility International Corporation

SPLITTER 5.5X2.5MM F TO X2 M

426

10-02787

10-02787

Tensility International Corporation

SPLITTER 3.5X1.35MM F TO X4 M

0

10-01246

10-01246

Tensility International Corporation

CBL M 2.5MM 6' 24AWG WHT

994

10-02494

10-02494

Tensility International Corporation

CBL ASSY M 4.75X1.9MM 6' 24AWG

0

10-02503

10-02503

Tensility International Corporation

CBL ASSY M 5.5X2.1MM RA 6' 24AWG

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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