EVJ-C00F25D14

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Rotary Potentiometers and Rheostats are often used in electronic equipment, computers, audio equipment, communication equipment, alarms and process control equipment. They are also used in various automotive and marine applications for controlling and monitoring motor speed, engine speed, fuel injection, and exhaust gas temperature.

The EVJ-C00F25D14 is an encapsulated adjustable 2-wire rotary potentiometer with an adjustable range of 100kΩ to 200kΩ. It is a fully sealed unit that is designed for long service life and promotes minimal electromagnetic interference. The unit is also designed with an improved corrosion resistance, and has a maximum current of 0.3 A and is capable of continuous rotation.

The working principle of rotary potentiometers such as the EVJ-C00F25D14 is simple. The resistance of the device is derived from the contact between the stationary wiper wheel and the two sets of fixed contacts on the two ends of the resistance element. The resistance between the wiper and either set of fixed contact is dependent on the angular position of the rotary arm, such that the position of the arm adjusts the resistance between 0-100kΩ and 0-200kΩ, depending on the model.

Rheostats work on similar principles to rotary potentiometers, however the difference between the two is that rheostats only have two terminals. Generally, rheostats are employed when a variable resistor is required to control power or current flow in an electrical circuit. The working principle of a rheostat is that the resistance of the device is dependant on the position of the wiper wheel, such that the motion of the arm of the rheostat controls the resistance and allows the current or wattage to be adjusted accordingly.

Rotary potentiometers and rheostats are hugely versatile components that are used in a vast range of applications. The EVJ-C00F25D14 is a great example of a high performance rotary potentiometer that offers a range of features to ensure great performance in a range of situations. With its improved corrosion resistance, long service life, smooth operation and superior temperature stability, it is no wonder that the EVJ-C00F25D14 is becoming increasingly popular in both industrial and consumer applications.

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