82MR50LF Potentiometers, Variable Resistors

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Trimmer Potentiometers

A trimmer potentiometer (also known as a trimpot) is a type of adjustable resistor, used to provide variable resistance in an electronic circuit. Trim pots are usually miniature and rotating, but can be slide-style, depending on the desired application. One of the most recognizable types of trimmer potentiometer is the 82MR50LF. This particular type of trimpot has a wide range of applications and works in a very specific way.

82MR50LF Application Field and Working Principle

The 82MR50LF is a trimmer potentiometer with a compact size and strong resistance to environmental conditions. It is commonly used in automotive, lighting, and low power industrial products, as well as for adjustment, trimming, and calibration tasks. This type of trimpot features a low resistance range (2.6-50Kohms) and low power (up to 2W max at 70°C). The 82MR50LF is equipped with a miniature, rotatable body and a ceramic-sealed track.

The ceramic-sealed track contains the resistance elements and cannot be rewound or changed. It is designed to resist vibrations, and displays a high stability over time. The track can be adjusted directly by a tool or indirectly by a screwdriver. The track adjustment ensures precise resistance values. It is also protected against mechanical impacts, as it is contained within a fully-enclosed case.

The resistance elements in the 82MR50LF are manufactured using advanced process technology. They feature low temperature drift, and excellent linearity and temperature stability. The resistance elements are designed to minimize electrical resistance drift from the original nominal value.

The 82MR50LF features a 7.5mm (max) body size, and is equipped with a rotatable body with 8 positions that allows for easy adjustment. It has a low temperature coefficient, low inductance, and excellent noise suppression. It is also equipped with an internal shield to reduce EMC interferences.

The 82MR50LF trimmer potentiometer is designed to withstand temperatures up to 110°C, and its mechanical strength is sufficient for automotive applications that operate at temperatures up to -40°C. It has a lifetime of up to 500 cycles, making it suitable for use in automotive and similar applications.

Conclusion

The 82MR50LF is a robust and reliable trimmer potentiometer that is designed to withstand adverse environmental conditions. It is suitable for use in automotive, lighting, and low power industrial products and for adjustment, trimming, and calibration tasks. Its miniature size, low power consumption, and low resistance range make it ideal for a variety of applications.

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