Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
RCP-023

RCP-023

CUI Devices

CONN RCA PLUG MONO 2COND

574

PXC

PXC

Switchcraft / Conxall

COMBO JACK, SLDR CUP, ROHS

152

4832.1220

4832.1220

Schurter

CONN PLUG MONO 3.5MM R/A 2COND

191

35RAPC2BH3

35RAPC2BH3

Switchcraft / Conxall

CONN JACK STEREO 3.5MM R/A

5606

SJ1-3515N

SJ1-3515N

CUI Devices

CONN JACK STEREO 3.5MM R/A

0

482NC

482NC

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM 3COND

0

50-00407

50-00407

Tensility International Corporation

CONN PLUG 4COND 2.5MM

6439

SJ2-35983D-SMT-TR

SJ2-35983D-SMT-TR

CUI Devices

AUDIO JACK, 3.5 MM, RT, 3 CONDUC

919

STX-3200-3NB

STX-3200-3NB

Kycon

CONN JACK STEREO 3.5MM PCB R/A

1121

4832.2230

4832.2230

Schurter

CONN JACK MONO 3.5MM R/A

18232000

SJ2-35355A-SMT-TR

SJ2-35355A-SMT-TR

CUI Devices

AUDIO JACK, 3.5 MM, RT, 6 CONDUC

641

113X

113X

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

217

4833.1220

4833.1220

Schurter

CONN PLUG MONO 6.35MM R/A 2COND

485

238X

238X

Switchcraft / Conxall

CONN PLUG STEREO 6.35MM RA 3COND

269

13E

13E

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

88

35HDLBAUS

35HDLBAUS

Switchcraft / Conxall

CONN PLUG STEREO 3.5MM 3COND

854

35RAPC4BV4

35RAPC4BV4

Switchcraft / Conxall

CONN JACK STEREO 3.5MM R/A

0

RCJ-61212121

RCJ-61212121

CUI Devices

CONN RCA JACK MONO 3.2MM R/A

631

SP-2533-01

SP-2533-01

CUI Devices

AUDIO PLUG, 2.5 MM, STRAIGHT, 3

1669

4832.2320

4832.2320

Schurter

CONN JACK STEREO 3.5MM R/A

55

Barrel - Audio Connectors

1. Overview

Barrel audio connectors are cylindrical electro-mechanical interfaces primarily used for analog audio signal transmission or low-voltage power delivery. Defined by their coaxial structure with center pin and outer sleeve contacts, these connectors ensure reliable connectivity in audio equipment. Their importance in modern technology stems from their cost-effectiveness, durability, and ability to maintain signal integrity in critical applications ranging from consumer electronics to professional audio systems.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Standard Barrel3.5mm/6.35mm diameter, unbalanced signal transmissionHeadphone jacks, guitar cables
Locking BarrelThreaded coupling mechanism for vibration resistanceStage monitoring systems
Miniature Barrel2.5mm/3.0mm size with compact designPortable audio devices
Bantam ConnectorDouble-row configuration for space-constrained panelsProfessional mixing consoles

3. Structure and Components

Typical construction includes: - Center Contact: Gold-plated phosphor bronze for signal transmission - Insulation Sleeve: High-temperature resistant thermoplastic - Outer Contact: Spring-loaded brass with EMI shielding - Housing: Nickel-plated brass or durable polymer The three-point contact design ensures mechanical stability while maintaining electrical continuity.

4. Key Technical Specifications

ParameterSignificance
Impedance (10k -1M )Affects signal fidelity in audio circuits
Contact Resistance ( 5m )Determines power transmission efficiency
Durability (5000+ cycles)Reliability indicator for frequent connections
Frequency Range (20Hz-20kHz)Audio signal bandwidth compatibility
Shielding Effectiveness ( 60dB)EMI/RFI interference reduction

5. Application Fields

  • Consumer Electronics: Smartphones, laptops
  • Professional Audio: Mixing consoles, studio monitors
  • Instrumentation: Electric guitars, synthesizers
  • Medical Devices: Patient monitoring systems

6. Leading Manufacturers and Products

ManufacturerRepresentative Product
Amphenol AudioNE800 Series Switchcraft jacks
NeutrikNCJ6FX nickel-plated connectors
SwitchcraftONA Series locking audio connectors
MolexMicro-Lock plus contact systems

7. Selection Recommendations

Consider: 1. Mechanical requirements (panel space, insertion force) 2. Electrical parameters (impedance matching, current rating) 3. Environmental factors (temperature range, corrosion resistance) 4. Termination type (solder vs. PCB mount) 5. Compliance standards (RoHS, REACH) For live sound applications, prioritize locking mechanisms and gold-plated contacts.

8. Industry Trends

Current trends include: - Miniaturization for wearable devices (sub-2mm designs) - Integration with digital signal paths (analog-digital hybrid connectors) - Enhanced shielding for 5G coexistence - Biodegradable polymer housing development - Smart connectors with integrated presence detection Market growth projected at 4.2% CAGR through 2027 driven by immersive audio technologies.

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