| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
RDI Inc. |
RCA JACK |
2000 |
|
 |
RDI Inc. |
RCA JACK |
140 |
|
 |
RDI Inc. |
3.5MM PHONE JACK |
0 |
|
 |
RDI Inc. |
RCA JACK |
0 |
|
 |
RDI Inc. |
RCA JACK |
240 |
|
 |
RDI Inc. |
RCA JACK |
1000 |
|
 |
RDI Inc. |
3.5 MM MONO JACK |
1000 |
|
 |
RDI Inc. |
3.5MM STEREO JACK |
11400 |
|
 |
RDI Inc. |
RCA JACK |
4840 |
|
 |
RDI Inc. |
RCA JACK |
2700 |
|
 |
RDI Inc. |
RCA JACK |
400 |
|
 |
RDI Inc. |
3.5MM STEREO JACK |
1500 |
|
 |
RDI Inc. |
3.5MM JACK |
2000 |
|
 |
RDI Inc. |
RCA JACK |
500 |
|
 |
RDI Inc. |
3.5MM AUDIO JACK |
0 |
|
 |
RDI Inc. |
3.5MM MONO JACK |
1500 |
|
 |
RDI Inc. |
3.5MM AUDIO JACK |
0 |
|
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.
| 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 |
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.
| 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 |
| 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 |
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.
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.