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Potentiometer Frequently Asked Questions


Questions about ordering
Can I purchase purchase components parts and assemble my own custom potentiometers?

I have a Mod-Pot part number and can't find the specifications in your literature.

How can I determine the Resistance Taper of a Potentiometer?

I need a specification drawing for a custom potentiometer.

Do you have distributors for your products in other countries?

What is a Setup Charge?

What is a Low-Volume Charge?

How can I determine the specifications for one of your custom potentiometers?

I don’t have a company, do you sell to individuals?

What is your minimum order requirement?


Potentiometer Questions General
What is the country of origin for your Mod-Pot products?

Do you sell replacement potentiometers for old stereo equipment or other consumer electronic products?

I have a potentiometer with four terminals instead of three.

What are the differences between Carbon, Cermet and Conductive Plastic pots?

Environmental - IP rating?

Are Mil-Spec Potentiometers Better Than Commercial Potentiometers?


Potentiometer Questions - Electrical
What are Potentiometer Input and Output Voltage?

General Electrical Characteristics?

Mechanical Characterisics?

Resistance Terms?

Conformity and Linearity Terms?


Potentiometer Questions - Mechanical
How are shaft and bushing lengths specified?

Stop Strength?

Rotation and Translation Terms?

Static Stop Strength
The maximum static load that can be applied to the shaft at each mechanical stop for a specified period of time without permanent change of the stop positions.

Dynamic Stop Strength
The inertia load, at a specified shaft velocity and a specified number of impacts, that can be applied to the shaft at each stop without a permanent change of the stop position.