TC89W-1-103

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Trimmer potentiometers, such as the TC89W-1-103, are specialized components used to adjust voltage in an electrical circuit. By rotating a shaft, or controlling an internal wiper, the resistance of the resistor can be increased or decreased as desired for electrical circuit parameters.

The main components of the TC89W-1-103 trimmer potentiometer are the resistor element, a wiper, and a casing. The resistance element is a semiconductor material film, such as carbon or ceramic, which is sandwiched between two electrodes. One electrode is a fixed terminal, while the other is connected to a wiper which moves along the length of the resistor when the potentiometer is adjusted. The casing of the trimmer potentiometer is filled with waxy substance, ensuring the wiper move over the entire length of the resistor.

The wiring method for connecting a trimmer potentiometer is usually either a three wire system or a two wire system, depending on the speed required and the isolation properties required from the potentiometer. For the three wire system, one wire is connected to the wiper, one to the power terminal and the third to the ground terminal. For the two wire system, the same connections are used, but the wiper is connected directly to the power terminal.

In terms of applications, trimmer potentiometers are commonly used to adjust the voltage for electronic devices and devices with complex circuitry. They are also used to adjust the range of voltage required by a device, such as a television. Trimmer potentiometers are also useful as part of a test setup, where rapid adjustment is required for different scenarios in a lab environment. They are also often used to adjust the sensitivity of a device, such as a remote control.

The TC89W-1-103 trimmer potentiometer is a special type of trimmer potentiometer with a board-level configuration. It is sized with a 0.3" by 0.3" footprint, and is designed to mount directly onto a printed circuit board. This type of trimmer potentiometer has a low mechanical audible noise, which is ideal for high frequency applications. The unique twist-lock system of the TC89W-1-103 makes it suitable for use in harsh environments.

In terms of the working principle of the trimmer potentiometer, the wiper moves up or down when the potentiometer is rotated. This results in a change in resistance between the wiper and the two terminals, thereby increasing or decreasing the current flowing through the circuit. When the wiper makes contact with the resistive element, the resistance of the element changes, resulting in a change in the voltage.

Trimmer potentiometers such as the TC89W-1-103 are used in many electronic applications due to their convenience and versatility. By precisely adjusting the resistance between the two terminals, the voltage can be adjusted to accommodate different electronic devices and tests.

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