Barrel - Audio Connectors

Part Number	Description / PDF	Quantity
50-00039 Tensility International Corporation	CONN JACK 3.5MM STEREO MOLD STYL	2309
54-00081 Tensility International Corporation	CONN JACK PNL MNT 3.5MM STEREO	0
54-00173 Tensility International Corporation	CONN JACK ISO 3.5MM 4CON	1608
54-00035 Tensility International Corporation	CONN PLUG STEREO 3.5MM RA 4COND	2402
54-00032 Tensility International Corporation	CONN JACK 6COND 3.5MM R/A PCB	3657
54-00082 Tensility International Corporation	CONN JACK PNL MNT 3.5MM 4CON	5209
50-00402 Tensility International Corporation	CONN PLUG STEREO 3.5MM 3COND	463
54-00175 Tensility International Corporation	CONN JACK STEREO 3.5MM R/A	4744
50-00407 Tensility International Corporation	CONN PLUG 4COND 2.5MM	6439
54-00178 Tensility International Corporation	CONN JACK STEREO 3.5MM SMD R/A	0
50-00947 Tensility International Corporation	CONN JACK 3.5MM STEREO MOLD STYL	2414
50-00399 Tensility International Corporation	CONN PLUG MONO 3.5MM 2COND	846
54-00177 Tensility International Corporation	CONN JACK 4COND 3.5MM SMD R/A	2040
50-00501 Tensility International Corporation	CONN PLUG 4COND 3.5MM	3129
50-00946 Tensility International Corporation	CONN PLUG 3.5MM STEREO MOLD STYL	2414
50-00041 Tensility International Corporation	CONN JACK 3.5MM 4CON MOLD STYLE	5000
50-00401 Tensility International Corporation	CONN PLUG 4COND 2.5MM	2563
50-00406 Tensility International Corporation	CONN PLUG STEREO 2.5MM 3COND	318
55-00146 Tensility International Corporation	AUDIO PLUG STEREO 3.5MM 4COND	1184
54-00172 Tensility International Corporation	CONN JACK ISO 3.5MM STEREO	814

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.