140B00102

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Rotary Potentiometers and Rheostats are electronic components used to measure the amount of electrical current in an electrical circuit, as well as the overall resistance value of a circuit. 140B00102 is an integrated rotary potentiometer designed for low current, low noise operation in the range of 0.2mA to 5mA. The device offers high linearity and low temperature coefficient over a wide temperature range.

As with all rotary potentiometers, the 140B00102 has a movable contact, also known as a wiper, which can be adjusted to vary the resistance of the device. The resistive element is usually a conducting film that is continuously deposited on a semiconductor substrate or printed circuit board. The resistance values are determined by the positions of the two terminals and the wiper. The control knob is responsible for motion of the wiper.

The typical application of 140B00102 includes digital-to-analog converters (D/A converters), and various automatic control circuits. The control knob can be connected to a logic circuit, such as a microprocessor, to provide variable control over the system. The device can be used to measure the voltage or current levels in an electrical system.

The operating principle of the device is based on the Wheatstone bridge and potentiometer circuits. The resistance value of the device is controlled by the motion of the wiper in conjunction with the fixed resistors. When the wiper is moved, the resistance of the device changes, resulting in a change in voltage or current level in the circuit.

The 140B00102 is a four-terminal device, with the end terminals being the two fixed resistors and the other two terminals being the movable wiper contact. The resistive element is a conductive film that varies in resistance when the wiper contact is moved, resulting in a variable output.

The 140B00102 is a durable and reliable device, offering low current levels and low noise operation. The device is ideal for use in digital-to-analog converters, automatic control circuits, power supplies, and other applications requiring high linearity and low temperature coefficient.

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