P120KGE-Y20BR50K

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Rotary Potentiometers

P120KGE-Y20BR50K is a type of rotary potentiometer. A rotary potentiometer is a three-terminal device made up of a circular track or shaft of resistive material that is attached to two fixed terminal headers. A movable contact, or wiper, is then moved along the track to provide users with a tunable resistance path between the two terminals, which is the main purpose of a rotary potentiometer.Rotary potentiometers are found in a huge variety of applications and are primarily used to measure position, velocity, and other physical phenomena in various systems. They are often incorporated into general purpose circuits where large ranges of adjustable resistances are needed, and provide a cost effective and reliable way to adjust the output of a system. Rotary potentiometers can be controlled directly by human touch, manually with knobs or other accessories, or automatically via an electric motor or a valve.

Rheostats

P120KGE-Y20BR50K is also classified as a rheostat. A rheostat is essentially a single terminal adjustable resistor. It is a simple device that consists of a resistance element and a movable contact, called a wiper, which allows the user to adjust the resistance by moving the contact along the resistance element. It is very similar to a potentiometer in the way it works, but differs in the way it is connected to the circuit.Rheostats are typically used in low power electronic circuit applications, such as controlling electrical motors, controlling heating elements, or controlling sound levels in audio circuits. They are also frequently used in switching and control applications to limit current or provide variable resistance.P120KGE-Y20BR50K is a versatile device, and provides a wide range of adjustable resistance levels from 0.5 to 50 kilo-ohms. It is designed to operate over a wide temperature range, and can be easily mounted on a standard DIN-rail with its built-in mounting tabs.

Working Principle

The P120KGE-Y20BR50K is a rotary component that enables users to control the resistance of a circuit by manually adjusting the position of the wiper along the resistance track. When the user rotates the control knobs, the contact on the resistance element is moved along the track and thereby adjusting the resistance. The wiper is connected to two terminals, whereby one is connected to a ground terminal and the other is connected to a circuit node and controls the resistance in the circuit.At rest, the wiper is connected to the maximum resistance position and the system is switched off. As the wiper is moved along the track by adjusting the knob, the resistance of the system is slowly increased and the amount of current circulating through the system increases accordingly. This allows users to control the amount of current and to determine the output level of the circuit.

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