PS45-10MA1BR5K

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Slide Potentiometers

PS45-10MA1BR5K slide potentiometers are precision electrical components, providing a precisely controlled electrical resistance to define signal paths in a circuit.They are particularly suitable for applications requiring very tight resistance tolerances and long life. In non-standard applications, they can be used to divine the position of a moving component such as a metal arm or joint.

Application Field

PS45-10MA1BR5K slide potentiometers are mainly used in industrial factory automation, medical equipment, frequency control and industrial robotics, where precise control of resistance if needed.Other applications include audio equipment, such as volume and tone controls, and automotive applications, such as for headlights and wiper position.Slide potentiometers are also ideal for harsh environments such as aerospace, military and medical, where their superior performance is required.

Working Principle

A slide potentiometer is made up of three terminals, a sliding contact, a contact arm and two output terminals. The sliding contact is connected to the arm which moves in a linear path between the output terminals. The terminals opposite to each other have a fixed resistance and the resistance between the contact arm and a terminal changes as the arm moves. This creates a variable resistor and provides a voltage which is proportional to the position of the arm.

Slide potentiometers work on the concept of variable resistance potentiometers. As the contact arm moves, the resistance between the contact arm and the terminal changes. This change in resistance creates a change in voltage and current. The voltage can be used to control many different types of electrical circuits.The contact arm of the slide potentiometer contains two ports, one for the input voltage source and one for the output voltage. The voltage on the input port is measured and the relative movement of the arm alters the voltage output from the output port. The relative distance between the arm and the terminals is monitored via the contact arm position sensor. This information is used to precisely control the voltage output.

Slide potentiometers can be used for precise measurement and control of linear motion, as well as for creating smooth transitions between two or more points in the circuit. They are highly accurate components and many manufacturers offer metric slide pots with a repeatability of up to 0.00001 inches.

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