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Rotary Potentiometers, Rheostats

A rotary potentiometer, or more commonly known as a potentiometer, is an electronic device that consists of a resistive track, a sliding contact, a wiper, and two terminals for a user to adjust input voltage. It works by controlling or attenuating the current by using a variable resistor that changes its resistance in relation to the position of the knob. There are also other types of potentiometers such as trimmers and trimmer switches, but a rotary potentiometer is the most popular option.

The KKU1041S28 rotary potentiometer is a three-terminal device designed for adjustable control of current or voltage. These potentiometers feature a mechanically adjustable wiper and an additional contact, allowing them to be split using the two contact terminals. Moreover, these devices have a voltage range of 0 up to 28 V, and a current range of 0 up to 250 mA. In addition, they are available in standard and SMT formats and are relatively inexpensive.

The working principle of the KKU1041S28 rotary potentiometer is to move the wiper within the resistive track to vary resistance; thereby allowing the user to control the current flowing through the device. As the wiper slides within the resistive track, a voltage or current in accordance to the specific resistance corresponding to the track position is established. By connecting the wiper and the two contact terminals to the user’s circuit, an adjustable control voltage or current may be achieved according to the position of the knob.

The KKU1041S28 rotary potentiometer is suitable for applications that require adjustable control such as light dimming, power control, audio systems, motor speed control, and many more. It is also a cost-effective alternative to traditional designs that involves digital potentiometers or analogue switches such as the MOSFET. Additionally, its low profile design and the fact that it uses common through-hole mounting techniques, makes it a preferred choice for many industrial and commercial applications.

KKU1041S28 rotary potentiometer is a versatile device that can be used for a variety of applications where current or voltage control is required. It is relatively inexpensive, can be used in through-hole and SMT designs, and is suitable for both industrial and commercial applications. The device is easy to use and is suitable for projects that require adjustable current or voltage control.

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