27ESB103MMF50NF

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Rotary Potentiometers

Rotary potentiometers are devices used primarily for adjusting and measuring resistance. These instruments operate by turning a shaft or knob, in order to vary the resistance between two output terminals. Through this resistance variation, a larger voltage is also produced, due to Ohm\'s Law. This changes as the rotary knob is rotated, producing an output voltage that directly corresponds to the applied position of the knob. This highly automated device is useful for a plethora of applications, such as balancing audio equipment, and volume control, aiding in the adjustment of electric circuit parameters, and measuring motion (angular/linear).

27ESB103MMF50NF Application Field:

The 27ESB103MMF50NF Angle Potentiometer is a specially designed Rotary Potentiometer, that is an ideal fit for use in medical devices, industrial automation, and consumer electronics. This device measures angular motion via its aligned rotary pots, which can be coupled to steering and joystick controls. It features a robust construction that is resilient to wear and tear, making it highly reliable even when subjected to many thousands of switching cycles. In comparison to other competing Rotary Potentiometers, it features enhanced efficiency, a highly customizable design, and improved precision. The switching range is 0° to 50°, while the static rated operating temperature ranges from -45°C to 85°C.

27ESB103MMF50NF Working Principle:

The functioning of the 27ESB103MMF50NF relies on the fact that by turning a knob, electrical resistance is altered between two output terminals. Inside the body of the device there is a wiper, which is connected to the rotary knob. This wiper acts as a bridge between the two electrical contacts/output terminals, allowing for the passage of electricity. As the rotary knob is turned, the bridge moves accordingly, thereby changing the resistance between the terminals. This results in power conversion, where the mechanical energy (turning the knob) is converted into electrical energy (change in resistance). The change in resistance is directly associated with the position of the knob. In addition, the outer frame of the Rotary Potentiometer contains a resistive element, which allows for accurate tracking and conversion of angular motion.

Rheostats

Rheostats are electric components that are designed to regulate current, or voltage depending on their application. They are similar to potentiometers, as they both use a mechanism to reduce resistance. The difference between the two is that while Potentiometers are used to adjust the output of a device, Rheostats are used to control the input. This makes them excellent for a variety of applications, such as to dim lights, to adjust the speed of a motor, or to regulate the current being supplied to electrical circuits in order to prevent overloads and surges.

Rheostats consist of a resistive element and two terminal ends that are connected to a wiper arm, much like a potentiometer. As the wiper arm is rotated, the electrical resistance between the two terminals is varied, regulating the electric current accordingly. The wiper arm is connected to a knob or lever, allowing for easy manual interference and control.

Rheostats are used in a variety of applications, such as balancing audio equipment, controlling the speed of a motor, and regulating current in electrical circuits. They are also useful for measuring temperature, current, and voltage in laboratories and testing environments. Their durability makes them ideal for prolonged and continuous use in equipment and machinery, where their ability to reduce current or voltage surges to prevent overloads is invaluable.

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