KB5021S28

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Rotary potentiometers and rheostats are widely used in many electronic applications, and KB5021S28 is one of the most popular of them. It provides a wide range of benefits in a variety of applications, including motor speed control, audio system level control, and power distribution.

Application Field

KB5021S28 has a wide range of applications. In motor speed control, it is often used to control the speed of motors, like fans, pumps, and other electrical equipment. By adjusting the voltage or current in the circuit, the speed of the device will be changed accordingly. It is also used in audio systems to adjust the level of sound from the speakers. By adjusting the resistance of the potentiometer, the amplitudes of different sounds will be adjusted accordingly. Furthermore, it is also commonly used in power distribution, such as regulating circuit boards and the like. It can limit the voltage from the system to protect it from overloads and other damage.

Working Principle

KB5021S28 functions as a variable resistor that changes the resistance of the circuit. It works by connecting two resistors in parallel and adjusting the voltage on one of them. When the voltage is increased, the current increases, and when the voltage is decreased, the current decreases. This allows the user to control the voltage and current in the circuit, allowing more accurate control of the device.

The rotary potentiometer works by rotating the knob. The shaft of the potentiometer is able to rotate when a voltage is connected to it. The resistance of the circuit is changed depending on how far and how fast the knob is rotated, allowing the user to adjust the resistance as needed. The resistance can also be varied in the opposite direction, allowing users to reverse the polarity.

Conclusion

KB5021S28 is a popular and reliable rotary potentiometer and rheostat device used in a wide variety of applications. It allows users to control the voltage and current easily with its adjustable resistance settings. It is designed for robust and long-lasting performance, making it the perfect choice for any electronic application.

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