P160KNPD-0QA17B1K

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P160KNPD-0QA17B1K is a rotary potentiometer, rheostat, with low temperature coefficient resistance and water-resistant property due to its PTFE film insulation. As a two-wire device, it can convert the rotary action of the knob across the resistive element into a precise voltage or current change.

The main components of the device are the resistive element, the contacts, and the knob, all of which are mounted inside a plastic casing. As the knob is rotated a crescent-shaped wiper moves across the resistive element, making and breaking electrical connections in accordance with the knob’s rotation angle. The resistance value changes from maximum to minimum, as the crescent-shaped wiper moves across the resistive element. The change in resistance is translated into a voltage or current change with linearity from the lowest to the highest end.

The application field of this device covers industries such as photocopiers, electronic organ, amplifier, measuring instruments, telecommunication facilities, musical instruments, and video equipment. It is used to regulate the level of voltage or current through controlling the rotation of the wiper. It can also be used for the control of the tone, volume and other functions of the equipment.

The device is usually employed to detect the angular displacement by using its contact capacity located on the axis of the knob. This contact consists of a metal brush riding against a disc which is divided into several sections. The resistance of the disc is divided into several pieces that are connected in series, from the minimum to the maximum value. It is connective with an external resistor or resistance to form a voltage divider circuit.

The working principle of this device is as follows: when the knob is rotated, the resistance of the resistive element will vary proportionally, depending on the resistance values and contacts used. When the knob is turned from the left to the right, the resistance of the contact will increase from the minimum to the maximum and vice-versa.

The use of P160KNPD-0QA17B1K makes processing of data more accurate and efficient. The high quality of the components and the fact that it can operate in harsh environments make it an ideal device for a large variety of applications.

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