PDB12-F2251-503BF

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Rotary Potentiometers and Rheostats are both devices that measure electrical resistance. However, there are several key differences between the two that set them apart and make them beneficial in different applications.

A Rotary Potentiometer is often used as a variable resistor to adjust the volume, brightness, or some other setting on electrical or electronic equipment. It operates by using a wiper arm which moves along a resistance track, changing the electrical resistance as the arm is moved. It ultimately provides a varying voltage output to the equipment. The PDB12-F2251-503BF is an example of a type of rotary potentiometer that utilizes conductive plastic components which provide an excellent linear output response, coupled with a long operational life.

A Rheostat, on the other hand, is a variable resistor that is used with an AC electrical circuit to reduce the amount of current flow by adjusting the resistance in the circuit itself. It operates by using two sliding contacts on a resistance track, and its resistance can be adjusted without breaking electrical continuity. As the amount of resistance increases, the amount of current flowing through the circuit will decrease, thereby allowing for the adjustment of the current flow.

Both rotary potentiometers and rheostats measure electrical resistance. They operate differently, however, which make them ideal for different applications and tasks. While rotary potentiometers are great for adjusting the volume or brightness on electrical equipment, rheostats are beneficial for controlling current flow in AC electrical circuits. The PDB12-F2251-503BF is an example of a rotary potentiometer that is designed to provide a linear feedback when used for controlling brightness and other settings on various electronic devices.

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