P120PK-F20AR2K

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--

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Rotary Potentiometers, Rheostats

The P120PK-F20AR2K is a device within the broad category of rotary potentiometers and rheostats. The following will discuss the application field and working principle of the P120PK-F20AR2K.

Application Field

The P120PK-F20AR2K is an electromechanical device broadly used in manufacturing and industrial control, instrumentation, automotive, consumer electronics, avionics, and other areas that require resistance or power adjustment. It is commonly used in applications such as motor speed control, output voltage adjustment, dimming of lights, measuring resistance, and measuring temperature.

Working Principle

The P120PK-F20AR2K is a rotary potentiometer with two connections and a resistance element that changes when the device is rotated. The resistance of the element changes based on the angle of rotation and the linear change of resistance is proportional to the angle of rotation. The two leads of the P120PK-F20AR2K is connected to both ends of the resistance element and the control mechanism adjusts the resistance of the element when rotated. As the resistance element is varied, the output voltage of the device also varies proportionally. The device is similar to a rheostat, which is slightly different in that with the rheostat only one lead is connected to the resistance element while the second lead is connected to a sliding contact. The sliding contact varies the resistance element by sliding in or out. The P120PK-F20AR2K is a single track element that features a conductive plastic body, an insulated shaft, and a multi-directional terminal that allows for 9mm or 6mm center termination. The advantage of conductive plastic over carbon is that it provides better linearity and more uniform resistance. It is also more durable against corrosive environments due to its integrated noise suppression technology which reduces the resistance drift caused by mechanical stress.The P120PK-F20AR2K is designed with a built-in ten turn absolute value ceramic encoder that guarantees precise positioning and high accuracy. The encoder also provides flexibility with setting a variety of physical settings such as minimum and maximum angular position limits and acceleration and deceleration values. The P120PK-F20AR2K is capable of meeting requirements in high temperature scenarios such as up to 125°C for application temperatures and 125°C for humid environments. It is also designed with RoHS compliant, lead-free materials that are through-hole and surface mountable. Overall, the P120PK-F20AR2K is a versatile device that is reliable, rugged, and suitable for a broad range of applications. In conclusion, the P120PK-F20AR2K is a rotary potentiometer or rheostat that is used in many applications that require resistance or power adjustment. The device features a conductive plastic body, encoder, and integrated noise suppression technology to guarantee precise positioning and resist corrosion. It is also capable of handling extreme temperatures and is RoHS compliant.

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