485025M9428

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Rotary potentiometers, also known as variable resistors, are three-terminal resistors in which a sliding contact, known as a wiper, travels in a circular arc, around the face of the resistor, when it is rotated. 485025M9428 is a rotary potentiometer manufactured by Vishay that is designed to be used in sensor applications. It offers very low temperature coefficient, ohmic range of 10 ohms to 25K ohms, continuous resistance range of 563 ohms to 10K ohms and long-term stability.

The working principle of 485025M9428 rotary potentiometer is very simple. It has three terminals, the middle one being the tap terminal. When the potentiometer is rotated, the tap terminal moves along the resistance element between the other two terminals, resulting in a change in resistance to ground. The variable resistance is proportional to the angular displacement of the wiper. The resistance value can be calculated from the total resistance R(T) and the angular displacement A, using the formula R(T) = R(A) + (R(T) - R(A)) x A/360°.

The applications of 485025M9428 rotary potentiometer include position sensor, speed sensor, torque sensor, force sensor, temperature sensor and so on. The potentiometer is designed to be used in a wide range of applications where the advantages of low cost and fast response time are required. It can be used for controlling and monitoring the position, movement, or speed of an object, or for providing a position feedback signal for a system, such as motor speed control.

The 485025M9428 rotary potentiometer has high linearity and long-term stability, making it the ideal option for high-precision applications. It also offers low temperature coefficient which eliminates the need for any temperature compensation circuitry. Furthermore, it offers an adjustable output resistance, enabling precise adjustment and accuracy. The potentiometer also has a low-noise construction which ensures low electrical noise within the system.

In conclusion, the 485025M9428 rotary potentiometer is an ideal solution for applications that require reliable performance over a wide temperature range. It is highly suitable for sensor applications where precise measurements are required in a cost-effective way. It is an ideal choice for applications that require fast response, low noise and long-term stability.

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