PTD901-2220F-B502

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A rotary potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. Rheostats can also be three-terminal resistors, but function differently as they are used as variable resistance components rather than voltage dividers. PTD901-2220F-B502 is a component of both rotary potentiometers and rheostats, and the application field and working principle are discussed below.

Application Field: PTD901-2220F-B502 is used in a variety of applications, particularly in high-temperature testing applications. This online hardware component is most commonly used in aircraft and aerospace systems, industrial automation systems, and military applications. In addition, it is also used as a general purpose torque and speed measurement component.

Working Principle: The PTD901-2220F-B502 consits of two basic elements: a rotary shaft and a fixed contact, which are connected by a resistance element. When the shaft is rotated, the resistance is varied, either linearly or exponentially. When used as a rotary potentiometer, the two outside terminals are connected to a power source, and the center terminal is connected to ground. The voltage between the two outside terminals is then divided according to a ratio inversely proportional to the resistance between them.

When used as a rheostat, the two outside terminals are connected to a power source, and the center terminal is connected to the load. The resistance between the two outside terminals can be varied, consequently varying the amount of current that can flow through the load. This is often used to control the speed or torque of a motor, heater, or other device.

PTD901-2220F-B502 is a component commonly used in a variety of applications. As a rotary potentiometer, it can be used to create an adjustable voltage divider, while as a rheostat it can be used to control the amount of current flowing through a load. This versatile component can be used in a wide range of applications, from aircraft and aerospace to industrial automation and military projects.

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