The 3.5mm Female Stereo Audio Jack PCB Mount Connector is a compact and durable audio socket designed for mounting directly onto printed circuit boards (PCBs). It provides a reliable connection for standard 3.5mm TRS (Tip-Ring-Sleeve) stereo audio plugs, making it ideal for audio equipment, DIY electronics, amplifier projects, multimedia devices, and embedded systems.
Manufactured with high-quality metal contacts and a robust insulated housing, this PCB mount connector ensures stable audio signal transmission with minimal signal loss. Its through-hole design offers secure soldering and easy integration into custom PCB layouts, making it a popular choice for both hobbyists and professional electronics designers.
Key Features
- Standard 3.5mm Female Stereo Audio Jack
- PCB Through-Hole Mount Design
- Supports Stereo Audio (TRS)
- High-Quality Metal Contacts
- Reliable Audio Signal Transmission
- Compact and Space-Saving Design
- Durable Insulated Housing
- Easy to Solder on PCBs
- Long Service Life
- Suitable for DIY and Commercial Audio Projects
Technical Specifications
- Product Type: Audio Jack Connector
- Connector Type: Female
- Audio Standard: 3.5mm Stereo (TRS)
- Mounting Type: PCB Through-Hole
- Number of Contacts: 3 (Tip, Ring, Sleeve)
- Contact Material: Nickel-Plated or Equivalent Metal (varies by manufacturer)
- Housing Material: High-Quality Insulating Plastic
- Connection Type: Solder Pins
- Signal Type: Stereo Audio
- Application: Audio Signal Input/Output
Pin Configuration
The connector typically includes the following terminals:
- Tip (T): Left Audio Channel
- Ring (R): Right Audio Channel
- Sleeve (S): Ground (GND)
Note: Some PCB mount versions may include additional switch-detection pins. Always verify the pinout of your specific model before soldering.
Working Principle
The 3.5mm female stereo jack provides an electrical interface between a stereo audio plug and the PCB. When a compatible 3.5mm TRS plug is inserted:
- The Tip contact carries the left audio signal.
- The Ring contact carries the right audio signal.
- The Sleeve contact provides the common ground connection.
The internal spring contacts ensure a firm connection, enabling stable and low-noise audio transmission.
Applications
- Audio Amplifier Projects
- Arduino Audio Applications
- DIY Speaker Systems
- MP3 Player Interfaces
- Headphone and Earphone Connectors
- Multimedia Equipment
- Audio Recording Devices
- Sound System Projects
- Embedded Audio Systems
- Educational Electronics Projects
Advantages
- Standard 3.5mm audio compatibility
- Reliable stereo signal transmission
- Compact PCB-mount design
- Easy installation and soldering
- Durable construction
- Low contact resistance
- Long operational lifespan
- Suitable for a wide range of audio devices
Usage Tips
- Verify the pin configuration before PCB assembly.
- Use clean solder joints to ensure reliable audio performance.
- Avoid applying excessive heat during soldering.
- Ensure the connector is firmly mounted to prevent mechanical stress.
- Keep the contacts clean for optimal audio quality.
- Use shielded audio cables where possible to minimize electrical noise.














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