SM-42TB102

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Trimmer Potentiometers have been in use for several decades and have become indispensable components in electronic systems. The SM-42TB102 is a trimmer potentiometer developed by Murata, a Japanese electronics company. The SM-42TB102 is a small trimmer potentiometer that has many application fields as well as a wide range of working principles.

Application Fields

The SM-42TB102 is designed specifically for high-end, precision applications, and is often found in high frequency, low noise electronic systems. The potentiometer is often used to adjust values that are required to be very precise, as in the adjustment of frequency-based feedback signals.The SM-42TB102 is also commonly used in radio receivers and transmitters, where maximum signal clarity is needed. By adjusting minute voltage differences, the potentiometer plays an important role in achieving maximum signal-to-noise ratio.The SM-42TB102 is also used in medical electronics systems, where adjustability of output is needed for various purposes. For example, the potentiometer may be used to regulate the strength of medical imaging systems, such as CAT-scans and X-rays.The SM-42TB102 is a general-purpose trimmer potentiometer, and can be found in various other applications where precision and adjustability of parameters are important.

Working Principles

The SM-42TB102 trimmer potentiometer uses a three-terminal design, with two input terminals and one adjustable output terminal. The output terminal is adjustable via a physically adjustable wiper that is capable of providing very high precision of adjustment. The input terminals are capacitively coupled, so that the adjustment of the wiper does not affect the input signals. The wiper is made from a special conductive metallic material, and has a precision contact resistance which ensures accurate and repeatable adjustment.The SM-42TB102 trimmer potentiometer has a wide range of adjustment, from 0.1V to 5V. It is also designed with very low leakage current, as low as 2nA, which ensures that the adjusted values remain constant over long periods of time. The potentiometer has low thermal drift, meaning that its value does not significantly change with temperature changes, making it suitable for most applications.The SM-42TB102 trimmer potentiometer also has a wide range of current ratings, from 0.1μA to 400mA. It is also designed with a low temperature coefficient, meaning that the adjustment remains constant over a wide range of temperatures.

Conclusion

The SM-42TB102 is a trimmer potentiometer developed by Murata, and is commonly used in high-end, precision applications including radio communication, medical imaging, and other applications that require precise adjustment of values. The potentiometer is a three-terminal device and features a physically adjustable wiper which provides a wide range of adjustment, from 0.1V to 5V. The potentiometer has low leakage current, low thermal drift, and a low temperature coefficient, making it highly suitable for most applications.

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