Bourns 500K LONG Split Shaft Audio Taper Potentiometer Set of 4

Description

Product Overview

The Bourns 500K LONG split shaft audio taper potentiometer is engineered for high‑precision applications where smooth operation and long‑term reliability are essential. Constructed from premium brass, the shaft offers low friction movement, ensuring consistent resistance changes across the full 500 kΩ range. Each unit weighs just 2.89 ounces and fits within a compact 3.23 × 2.24 × 1.3 inch package, making it suitable for dense circuit boards and tight enclosures. The split shaft design provides a longer travel distance, giving users finer control over audio volume, tone shaping, and signal attenuation. With a proven track record—rated 4.6 stars by 65 reviewers and ranking #25 in the potentiometer category—this set of four potentiometers delivers both performance and value.

Usage

Designed for professional audio mixers, guitar amplifiers, studio equipment, and industrial control panels, these potentiometers excel in environments that demand precise voltage regulation and smooth taper response. The audio‑taper (logarithmic) curve matches human hearing perception, making it perfect for volume knobs, gain controls, and tone stacks. In industrial settings, the robust brass construction resists corrosion and wear, allowing the components to operate reliably in harsh temperature ranges and high‑vibration conditions. Installation is straightforward: the split shaft fits standard PCB mounting holes, and the long shaft provides ample leverage for manual adjustment without the need for additional tools.

Why Choose Us

Choosing Bourns means selecting a brand with decades of experience in passive component technology. Each potentiometer undergoes rigorous quality testing, ensuring that the resistance value stays within tight tolerance limits throughout its lifespan. The low‑friction brass shaft reduces wear, extending the service life far beyond typical ceramic or plastic alternatives. Our commitment to customer satisfaction includes responsive technical support, detailed datasheets, and a hassle‑free return policy should any unit not meet your expectations. When you purchase the four‑piece set, you receive a consistent batch of components, simplifying inventory management and guaranteeing uniform performance across multiple devices.

Key Features

• Low‑friction brass shaft delivers smooth, precise adjustments for audio and industrial applications.
• Long split shaft design provides extended travel for finer control over resistance changes.
• 500 kΩ audio‑taper curve matches human hearing, ideal for volume and tone controls.
• Compact dimensions and lightweight construction enable easy integration into tight spaces.
• Comes with dedicated Bourns technical support and a reliable warranty for peace of mind.

FAQ

What is the difference between audio taper and linear taper?

Audio taper (logarithmic) potentiometers change resistance in a way that aligns with human perception of sound volume, providing finer control at lower levels. Linear taper changes resistance uniformly across the rotation, which is better for applications like voltage dividers where a straight relationship is needed.

Can these potentiometers be used in high‑temperature environments?

Yes. The brass construction and robust internal contacts are rated for extended temperature ranges, making them suitable for many industrial environments where heat resistance is required.

How do I install the split shaft potentiometer on a PCB?

Align the mounting holes on the potentiometer with the corresponding holes on the PCB, insert the pins, and solder them in place. The long shaft protrudes from the board, allowing easy manual adjustment after soldering.

Is there a warranty or guarantee for these potentiometers?

Bourns provides a standard warranty covering manufacturing defects. If you encounter any issues, contact our support team for a replacement or troubleshooting assistance.

What applications benefit most from the low‑friction design?

Any application that requires frequent adjustments—such as audio mixing consoles, guitar pedal boards, or variable speed motor controllers—will benefit from the reduced wear and smoother operation of the low‑friction brass shaft.