SM-42B102

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Trimmer Potentiometers are electrical components designed to adjust setup or an operating parameter of electronic devices. They use a resistive element and contacts moving over the resistance to provide a variable voltage divider. As a part of this category, the SM-42B102 model used in circuit applications can be mentioned, which is a potentiometer with a flat conductive plastic element.

Application Field

SM-42B102 potentiometers are widely used in adjustable gain applications, such as amplifier biasing, grid bias and level adjusters. They can also be used as adjustable volume controls, time delays, sensitivity modulation, signal level annotations, and for manufacturing of different types of filters. The products are ideal for automotive and industrial applications due to their reliability and robustness. This type of potentiometer can be found in today\'s cars offering numerous adjustments that can be done in order to provide a better driving experience.

Working principle

This type of potentiometer works on a principle of variable resistance. When connected to a circuit, the slider contacts move along the resistance track of the internal element that has a specific resistance. The adjustable element of the pot is connected to a slider arm and the entire device is wired to provide a user adjustable voltage divider. This creates a high and a low resistance value between the two points so if an adjustable voltage or current difference is required between them a trimmer pot is a suitable solution.

As a conclusion, SM-42B102 is one of the most common trimmer potentiometers due to its versatility and performance. Its biggest advantages are the small size, reliable operation, easier adjustment in critical applications, and its very low adjuster rates. All these features, combined with the fact that they require very little current, make SM-42B102 a product with a wide range of uses.

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