Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
MP3-2501

MP3-2501

CUI Devices

CONN PLUG MONO 2.5MM 2COND

5335

187BL

187BL

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

1

SJ-63023H

SJ-63023H

CUI Devices

AUDIO JACK, 6.35 MM, VERTICAL, 3

974

STX-3100-5N

STX-3100-5N

Kycon

CONN JACK STEREO 3.5MM PCB R/A

500

ACJC10AHL BULK

ACJC10AHL BULK

Tuchel / Amphenol

1/4" STEREO/XLR PCB 10 SKT LOW P

0

A050-000-ST-KJ

A050-000-ST-KJ

Tripp Lite

RCA FEMALE AUDIO TO SCREW TERMIN

45100

285L

285L

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

41

STX-3200-5NB

STX-3200-5NB

Kycon

STEREO JACK NO THREAD SHIELD 5P,

4245

Z15J

Z15J

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

80

3501FRX

3501FRX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

305

SJ2-25515B-SMT-TR

SJ2-25515B-SMT-TR

CUI Devices

AUDIO JACK, 2.5 MM, RT, 5 CONDUC

971

RCJ-61232323

RCJ-61232323

CUI Devices

CONN RCA JACK MONO 3.2MM R/A

90

851X

851X

Switchcraft / Conxall

CONN PLUG MONO 2.46MM 2COND

31

MN112AX

MN112AX

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

502

ACJM-MVS-2S

ACJM-MVS-2S

Tuchel / Amphenol

1/4" PHONE MONO VERTICAL SLD SCH

0

ACJS-MV35-5

ACJS-MV35-5

Tuchel / Amphenol

3.5MM STEREO VERT METAL NUT SCHE

89

RCP-011

RCP-011

CUI Devices

CONN RCA PLUG MONO 2COND

503

TM2P

TM2P

Tuchel / Amphenol

CONN PLUG MONO 1/4"

33

4833.3300

4833.3300

Schurter

CONN JACK STEREO 6.35MM

389

SJ-3542AS-SMT-TR-67

SJ-3542AS-SMT-TR-67

CUI Devices

STEREO JACK, IP67, 3.5, 5 CONDUC

0

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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