Barrel - Audio Connectors

Part Number	Description / PDF	Quantity
50-00423 Tensility International Corporation	CONN PLUG MONO 6.35MM R/A 2COND	487
50-00398 Tensility International Corporation	CONN PLUG MONO 2.5MM 2COND	91
50-00403 Tensility International Corporation	CONN PLUG 4COND 3.5MM	692
54-00179 Tensility International Corporation	CONN JACK 4COND 3.5MM SMD R/A	0
50-00397 Tensility International Corporation	CONN PLUG 4COND 3.5MM	5598
54-00174 Tensility International Corporation	CONN JACK 4COND 3.5MM R/A	2410
50-00040 Tensility International Corporation	CONN JACK 2.5MM 4CON MOLD STYLE	11011
50-00502 Tensility International Corporation	CONN PLUG STEREO 3.5MM 3COND	3663
54-00080 Tensility International Corporation	CONN JACK PNL MNT 3.5MM MONO	1344
50-00396 Tensility International Corporation	CONN PLUG STEREO 3.5MM 3COND	3961
50-00949 Tensility International Corporation	CONN JACK 3.5MM 4COND MOLD STYLE	2444
50-00009 Tensility International Corporation	CONN PLUG 3.5MM 6CON MOLD STYLE	1979
54-00176 Tensility International Corporation	CONN JACK 4COND 3.5MM R/A	91
50-00405 Tensility International Corporation	CONN PLUG MONO 3.5MM 2COND	311
50-00404 Tensility International Corporation	CONN PLUG MONO 2.5MM 2COND	316
54-00036 Tensility International Corporation	CONN PLUG STEREO 3.5MM RA 3COND	12582
50-00948 Tensility International Corporation	CONN PLUG 3.5MM 4COND MOLD STYLE	2448
50-00400 Tensility International Corporation	CONN PLUG STEREO 2.5MM 3COND	1539
50-00035 Tensility International Corporation	CONN JACK 2.5MM STEREO MOLD STYL	0
50-00037 Tensility International Corporation	CONN JACK 3.5MM MONO MOLD STYLE	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

Type	Functional Characteristics	Application Examples
Standard Barrel	3.5mm/6.35mm diameter, unbalanced signal transmission	Headphone jacks, guitar cables
Locking Barrel	Threaded coupling mechanism for vibration resistance	Stage monitoring systems
Miniature Barrel	2.5mm/3.0mm size with compact design	Portable audio devices
Bantam Connector	Double-row configuration for space-constrained panels	Professional 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

Parameter	Significance
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

Manufacturer	Representative Product
Amphenol Audio	NE800 Series Switchcraft jacks
Neutrik	NCJ6FX nickel-plated connectors
Switchcraft	ONA Series locking audio connectors
Molex	Micro-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.