PJ-307 3.5mm Stereo Jack Socket PCB Mount Audio Connector
= 3.5mm Audio Jack Connector for PCB and DIY Projects =
The PJ-307 is a 3.5mm stereo jack socket designed for PCB mounting, ideal for audio projects and headphone connectivity in electronics. Also known as 3F07, this connector offers reliable stereo signal transmission for DIY audio and Arduino projects .
3.5mm Stereo Connection - Standard audio jack for headphones and audio signals
PCB Mount Design Easy throughhole mounting for permanent installation
Maximum voltage rating is 30V with current up to 0.5A
Use for DIY audio amplifiers, headphone jacks, and signal routing projects
Operating temperature range: -30°C to +70°C
= Technical Specifications =
| Parameter | Value |
|---|
| Type | 3.5mm Stereo Jack Socket |
| Model | PJ-307 / 3F07 |
| Mounting | PCB (DIP Through-Hole) |
| Contact Pins | 3 or 5 (stereo with switch options) |
| Max Voltage | 30V |
| Max Current | 0.5A |
= Key Features =
Standard 3.5mm Stereo Format - Compatible with standard headphone plugs
PCB Mounting Design - Perfect for custom audio projects and repairs
Contact Options Available in 3pin or 5-pin with switch variants
RoHS Compliant - Environmentally friendly component
Versatile Use - Suitable for professional and hobbyist audio equipment
== Applications ==
- DIY audio amplifier projects
- Headphone jack replacements
- Arduino audio interfaces
- Custom electronics projects
- Audio signal routing
Common and Reliable - Widely used in consumer and DIY audio projects
Easy to Install Standard throughhole mounting
√ Available in various contact configurations
√ Solder directly to PCB for permanent installation
√ Compatible with standard 3.5mm audio plugs
= Troubleshooting =
No audio signal:
- Check solder joints for cold connections
- Verify correct pin wiring
- Ensure plug is fully inserted
Intermittent connection:
- Clean contacts with contact cleaner
- Check for damaged solder joints
- Replace if connector shows physical wear
