12/10/2025 7:38:41 AM   By  Andrew  in

PTR902-2020K-A103 Potentiometers by Bourns – Precision Control for Electronic Designs

The Potentiometers PTR902-2020K-A103 by Bourns are high-performance panel-mount components designed for precise resistance adjustment in electronic circuits. These rugged potentiometers offer excellent stability and long mechanical life, making them ideal for applications requiring accurate control. As part of the Bourns portfolio of Passive Components, these Potentiometers and Trimmers & Rheostats ensure consistent performance in audio systems, industrial controls, instrumentation, and power supplies.
Learn more at https://www.xonelec.com/.


Technical Specifications of PTR902-2020K-A103

  • Manufacturer: Bourns

  • Part Number: PTR902-2020K-A103

  • Type: Potentiometers / Rotary Panel-Mount

  • Resistance: 10kO

  • Tolerance: ±10%

  • Power Rating: 0.5W

  • Rotation Angle: 300° Nominal

  • Mounting Type: Panel Mount

  • Shaft Type: Knurled Shaft

  • Applications: Audio Equipment, Industrial Controls, Instrumentation

These Potentiometers provide smooth adjustment, long-term durability, and excellent thermal stability, making them one of the most trusted Passive Components for precision control.


Key Features of PTR902-2020K-A103

  • High-quality Bourns construction for long mechanical life

  • Smooth rotary action with 300° adjustment

  • Reliable performance under temperature and load variations

  • Suitable for both commercial and industrial electronics

  • Ideal for fine-tuning voltage, signal, and gain control

These features make the PTR902-2020K-A103 Potentiometers ideal for applications requiring precision tuning.


Applications of PTR902-2020K-A103

  • Audio Volume Control

  • Industrial Automation Panels

  • Power Supply Adjustments

  • Instrumentation Calibration

  • Communication Equipment

  • Laboratory Test Devices

In all these areas, Potentiometers, especially Bourns Trimmers & Rheostats, play an essential role in fine-tuning system behavior.


Wiring and Connection Overview

Typical wiring setup:
[Input Signal] -> Rotary Adjustment -> [Output Signal]
=>
Mounted on panel using nut/washer; terminals soldered or connected via PCB wiring.

Clear terminal markings make installation simple even for complex circuit configurations.


Use Case Scenario: Audio Amplifier Gain Control

A high-end audio system needed a smooth, noise-free adjustment component for gain tuning.

Problem: Low-quality potentiometers caused crackling noise.
Solution: Bourns PTR902-2020K-A103 Potentiometers offered stable, clean adjustment.
Result: Cleaner signal, precise control, and improved user experience.


Datasheet Download

Get detailed electrical characteristics, mechanical drawings, and environmental specs:

Download PTR902-2020K-A103 Datasheet from XON Electronics


Why Buy from X-On Electronics?

X-On Electronics (https://www.xonelec.com/) offers:

  • Genuine Bourns Potentiometers and Passive Components

  • Global shipping to USA, India, Australia, Europe & more

  • Competitive component pricing

  • Expert technical assistance

  • Fast and secure online ordering

Your trusted source for quality Trimmers & Rheostats and Potentiometers.


Conclusion

The PTR902-2020K-A103 Potentiometers by Bourns deliver smooth, accurate, and reliable control for a wide range of electronics. With its rugged build, precise adjustability, and stable performance, it remains a top choice among engineers and designers worldwide.


FAQs – PTR902-2020K-A103 Potentiometers

Q1. What resistance value does the PTR902-2020K-A103 offer?
It provides 10kO resistance with ±10% tolerance.

Q2. Can this potentiometer be used for audio applications?
Yes, it is suitable for volume and tone control due to its smooth rotation.

Q3. Is the PTR902-2020K-A103 panel mounted?
Yes, it is a panel-mount rotary potentiometer.

Q4. What is the power rating of this potentiometer?
It supports up to 0.5W.

Q5. Where can I buy this part globally?
Purchase from www.xonelec.com, shipping to USA, India, Australia, Europe, and other countries.




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