PTD902-2020K-A103

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Rotary Potentiometers, Rheostats

The PTD902-2020K-A103 is a rotary potentiometer and rheostat, which can be used in a variety of applications. This device is designed to control the current, voltage, or resistance in a circuit. It is a combination of a voltage divider and a variable resistor, and is used for things like controlling voltage, current, gain, or load.

How does It Work?

The PTD902-2020K-A103 is composed of a rotating shaft with a resistive track along its length. The track is made up of two resistive elements, connected in series. One element, called the tap or the wiper, is adjustable and connected to a knob or lever. When the user turns the knob, the wiper moves along the track, changing the resistance of the Potentiometer.

The other element, called the track, is either linear (constant value along the whole track) or logarithmic (varying resistance due to tap motion). By combining these two elements, the user can adjust the resistance by changing the distance between the tap and the track. The resistance can be linked to an electrical characteristic in a circuit, such as voltage, current or gain.

Applications

The PTD902-2020K-A103 is used in many different ways. It can be used as a voltage divider, allowing a voltage set with a knob to be adjusted. This makes it perfect for applications such as light dimmers, sound systems, and audio equipment. It can also be used as a volume control, enabling the user to set a desired sound level.

The PTD902-2020K-A103 can also be used as a rheostat, which is a variable resistor. This is useful for applications where current needs to be limited or "tapped off." This can be useful for controlling motors, LEDs, and power supplies. In addition, it can be used to adjust voltage across a load, which is useful for controlling the power output of a device.

Conclusion

The PTD902-2020K-A103 is a highly versatile rotary potentiometer and rheostat. It can be used for numerous applications, including voltage divider, volume control, and rheostat applications. It is easy to adjust and use, making it a popular choice for many different applications.

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