ST7ETB104

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Trimmer Potentiometers are extensively used electronic components that are used in a wide variety of electrical applications. These components are mostly used for controlling the voltage, current, and impedance in a circuit. The ST7ETB104 is a trimmer potentiometer from STMicroelectronics. It is a Digital Linear Trimmer Potentiometer having a large temperature range, which can be used in various applications for setting the sensitivity of different parameters.

Application Fields

The ST7ETB104 trimmer potentiometer is mainly used in applications where an adjustable voltage or impedance needs to be set precisely. It can be used in the fields of industrial motor control, general audio equipment, medical and laboratory instruments, and consumer electronics. It is also suitable for being used in wide range of temperature and humidity conditions, making it ideal for use in high precision and harsh environmental applications.

In addition, the ST7ETB104 trimmer potentiometer is also used in applications that require precise voltage regulation, such as closed loop motor control, power supply regulation, adjustable gain stages, and audio level control. Other applications include automatic gain control, general feedback control, photovoltaic systems, robotics, and automated assembly machines.

Work Principle

The ST7ETB104 trimmer potentiometer works by adjusting the resistance through a resistive track. The track is made out of ceramic (or polysulfone) and contains a number of resistive elements arranged in a linear pattern. By adjusting the wiper contact point along the track, the potentiometer is able to alter the resistance and to control the voltage or current output.

The tracks are normally open-ended on both ends and shielded from the environment. The wiper voltage is operated by a digital encoder, enabling the potentiometer to produce a continuously adjustable linear voltage or current. Generally, the resistance range of the trimmer potentiometer can be as high as 106Ω. High resolution settings (up to 10bit) can be obtained by adjusting the wiper to the desired points of the resistive track.

The ST7ETB104 trimmer potentiometer has a wide operating temperature range (-55°C to +125°C) which makes it suitable for use in a variety of harsh environmental conditions. In addition, it is extremely robust and reliable, allowing it to withstand shock and vibration transmissions. It also features a long life span, allowing it to maintain its performance for many years.

Conclusion

The ST7ETB104 trimmer potentiometer from STMicroelectronics is a high precision, reliable, and robust component suitable for harsh environmental conditions. Its wide temperature range and long life span make it well-suited for use in a variety of industrial and consumer applications, from motor control to solar panels. The ST7ETB104 is an ideal choice for users requiring precise and reliable electronic control solutions.

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