Introduction • On Precision Pots • General Product Definitions • Construction Details • Multiturn Precision Pots • Resistive Elements • Terminals • Shaft-Rotor Assembly • Mechanical Rotation • Mounting Methods • 3540 Family • 3590 Family • Knobpot 3600 Family • Single-Turn Precision Pots • 6537/6637 Family • 6539/6639 Family • 3680 Pushbutton Family • Special Precision Pots • Shafts • Mounting Styles • Bearings • Torque • Linearity • Wiper Load • Low Current Applications • High Rotational Speed • Angles • Additional Taps • Sealed Units • Multicup Assemblies • Envelopes • Environmental • Competition • Useful Terms

Introduction

In this module, you will learn about potentiometers that are designed for frequent adjustment by the user. Bourns offers a broad range of products, including single-turn and multi-turn precision potentiometers. These products are designed for applications in systems and circuits where accuracy is an important consideration.

Precision potentiometers can be a profitable part of your business. This module will cover the features and benefits of Bourns® precision potentiometer products.

The objective of this module is to provide you with basic information on the wide range of products. The basic information is intended to increase your confidence in our precision potentiometer products and improve your ability to obtain orders.

When you've completed this module:

  • You will have a better understanding of your customer's needs
  • You will feel more confident about discussing precision potentiometers and the various options
  • You will be able to help your customer select the Bourns® precision potentiometer that will best fit the customer's application
You will have a better understanding of:
  • The construction and function of a precision potentiometer
  • The market segments and applications
  • The different types of precision potentiometers
  • The Bourns Precision Potentiometer product line
  • The cross reference guides provided
Key Sales Tools
  • Bourns Product CD-ROM
  • Cross Reference Guide
  • Samples (available upon request)
  • Bourns web site
Sales Tip

If your caller has no part number, the basic questions to ask are:
  • Number of turns (of revolutions)
  • Resistance tolerance: 3%, 5% or 10%
  • Linearity required
  • Diameter of the part
  • Diameter and length of shaft
  • Type of mounting: bushing or servo
  • Resistance value