Barrel - Audio Connectors

Image Part Number Description / PDF Quantity Rfq
35HDRANAU

35HDRANAU

Switchcraft / Conxall

CONN PLUG STEREO 3.5MM RA 3COND

0

113BX

113BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

1665

N114BX

N114BX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

203

RA49C12B

RA49C12B

Switchcraft / Conxall

CONN JACK STEREO 6.35MM R/A

757

35HDRABAUS

35HDRABAUS

Switchcraft / Conxall

CONN PLUG STEREO 3.5MM RA 3COND

0

S250

S250

Switchcraft / Conxall

CONN PLUG MONO 5.23MM 2COND

27

780

780

Switchcraft / Conxall

CONN PLUG MONO 3.55MM 2COND

1173

PJRAS3X2S01X

PJRAS3X2S01X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

42

174SX

174SX

Switchcraft / Conxall

CONN PLUG MONO 6.35MM 2COND

0

35585X

35585X

Switchcraft / Conxall

CONN RCA PLUG MONO 2COND

2

852X

852X

Switchcraft / Conxall

CONN PLUG MONO 2.46MM 2COND

98

35LJNAU

35LJNAU

Switchcraft / Conxall

CONN JACK STEREO 3.5MM

86

CN11

CN11

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

18

M112BPCX

M112BPCX

Switchcraft / Conxall

CONN JACK STEREO 6.35MM PNL MNT

1859

MDSL2A

MDSL2A

Switchcraft / Conxall

CONN JACK MONO 2.46MM PNL MNT

7660

5501FX

5501FX

Switchcraft / Conxall

CONN MIC PLUG MONO 2COND

180

PJRAS4X2U01AUX

PJRAS4X2U01AUX

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

543

PC12A

PC12A

Switchcraft / Conxall

CONN JACK MONO 6.35MM PNL MNT

1074

BPJR03X

BPJR03X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM PNL MT

16

PJRAN3X1U03X

PJRAN3X1U03X

Switchcraft / Conxall

CONN RCA JACK MONO 3.2MM R/A

79

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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