3266P-1-504LF

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Trimmer Potentiometers

The 3266P-1-504LF is a type of trimmer potentiometer. These small electronic components are three-terminal resistors with a rotating contact, or wiper, that forms resistance with the other two terminals, typically labeled “horizontal” and “vertical.” A multi-turn version of the trimmer potentiometer is also available, with a screw driver or other key device used to adjust resistance values.

Application Field

Trimmer potentiometers are used in a wide variety of applications. Some of the most common applications include audio circuits, digital displays, and operation controls. In the audio circuit application, a trimmer potentiometer can be used to control amplifier gain, damping, and cut off frequency. In digital displays, the trimmer potentiometer helps to display accurate readings by regularly calibrating the display resolution, adjusting brightness and contrast, and setting the zero-point voltage. For operation controls, a trimmer potentiometer is also used in setting alarms, timers, start-up delays, and control circuits.

Working Principle

The 3266P-1-504LF trimmer potentiometer works based on the operational principle of a resistor. When two terminals of a resistor are connected to a voltage source, a current will flow through the resistor, and the magnitude of the current is determined by Ohm\'s Law. The third terminal of a trimmer potentiometer is connected to the wiper, which moves along the circumference of the device to adjust resistance. As the wiper moves, the resistance of the resistor is changed, allowing users to adjust the current by adjusting the wiper.

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