# CK6.35-309C-3P PCB Audio Jack 1/4 Inch Female Connector

Date: 2026-05-05
Categories: 6.35mm Phone Jack Series
URL: https://cenyutech.com/ck6-35-309c-3p-pcb-audio-jack-1-4-female-connector.html

## Product Summary

The CK6.35-309C-3P is a 1/4 inch female PCB audio jack built for dependable signal connection in professional audio and electronic assemblies. As a 3 pin phone jack, it is well suited for guitar amplifier input, audio interface boards, mixers, AV equipment and other PCB mount audio applications where stable contact and clean signal transfer matter.

This PCB mount phone jack is a practical fit for manufacturers, repair projects and custom audio builds that require a compact board-level connector with reliable mating performance. It works well in instrument input circuits, audio control boards and general-purpose electronic audio devices, making it a versatile option for both production and aftermarket use.

OEM/ODM customization is available for your project requirements.

### Specification Table:

PRODUCT NAME
1/4 Inch Female Headphone Jack

MODEL
CK6.35-309C-3P

PIN
3 PIN

RATED LOAD
30V DC 1.0A

CONTACT RESISTANCE
≤ 0.030

WITHSTAND VOLTAGE
500V, AC/min

TEMPERATURE
-30℃~+70℃

LIFE
5000 time

TERMINAL STRENGTH
5N ~ 30N

Color
Black

### 3 Pin vs 4 Pin vs 7 Pin Audio Jack difference:

Type
Function
Application

3 Pin
Basic audio
Guitar

4 Pin
Stereo
Mixer

7 Pin
Switching/control
Pro audio

### Applications:

- Electric guitars

- Amplifiers

- Audio equipment

- DIY electronics

- AV systems

Widely used in PCB-based audio devices and electronic systems requiring stable signal transmission.

### Why Choose Our Audio Connector:

- Professional connector manufacturer

- OEM / ODM customization

- Strict quality control

- Fast delivery

- Competitive factory pricing

- 6.35mm 3 pin headphone jack PCB mount supplier

- 1/4 inch mono [audio jack](https://cenyutech.com/tag/audio-jack) connector manufacturer

- audio jack PCB connector factory China

- 3 pin headphone jack for amplifier

- buy 6.35mm audio jack in bulk

![6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403230350905235.webp)

![6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403230350233247.webp)

![6.35mm 3 pin headphone jack PCB mount socket](https://cenyutech.com/wp-content/uploads/2026/04/20260403230349400482.webp)

### FAQ

**Q1: What is a 6.35mm 3 pin PCB mount headphone jack?**It is a standard [audio connector](https://cenyutech.com/tag/audio-connector) used for mono signal transmission, designed to be soldered directly onto a PCB for stable and compact connections in audio devices.

**Q2: What is a 3 pin headphone jack used for?**It is mainly used for mono audio transmission in guitars, amplifiers, and audio equipment.

**Q3: What is the difference between PCB mount and panel mount jack?**PCB mount jacks are soldered directly onto circuit boards, while panel mount jacks are installed on device panels or enclosures.

**Q4: Is 6.35mm the same as 1/4 inch?**Yes, 6.35mm equals 1/4 inch and is widely used in professional audio equipment.

**Q5: Can this jack be used in amplifiers?**Yes, it is commonly used in amplifier and guitar input circuits.