ST7ETA103

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Trimmer Potentiometers are the most commonly used type of electronic component. These tiny precision devices are used to adjust the resistance in a circuit, thereby helping the circuit to meet its specified performance goals. The ST7ETA103 is an example of a trimmer potentiometer (preset) and is widely used in applications ranging from commercial and industrial purposes to medical instrumentation.

The ST7ETA103 is a three-terminal, top adjust, monolithic trimmer potentiometer. It is designed for easy manual adjustment. It is available in a variety of resistance values ranging from 5 kΩ to 100 kΩ. The ST7ETA103 is mounted on a printed circuit board, and the adjustment of the resistance is accomplished by turning the top screw. The rotation of the top screw allows the resistance to be adjusted within its specified range. Stability and temperature stability of the device is excellent, with a max. drift of less than 1%.

Due to its small size, it is often used in places where space is a key factor such as in mobile phones and other portable electronic devices. Its single-turn feature provides a simple set-and-forget type of operation. Its small size and low-cost make it an ideal choice for low-power applications. In addition, the ST7ETA103 is RoHS compliant, and it is designed to meet the requirements of the medical industry, making it an attractive solution for those applications.

The working principle of the ST7ETA103 is based on voltage divider. The device works by having a voltage applied to one terminal (common) and then divided across the two other terminals via the wiper. The resistance between the two other terminals is determined by the position of the wiper and can be changed by adjusting the top screw. The voltage across the two other terminals can then be calculated, and the resistance value is set correctly.

The ST7ETA103 trimmer potentiometer is a versatile electronic component that is used in a variety of applications. It is widely used in telecommunications, medical instrumentation, automotive, consumer electronics, and industrial applications. Its precision and low cost make it an ideal choice for low-power applications. Its small size and superior temperature stability make it suitable for use in portable and medical devices. Additionally, its RoHS compliant design makes it suitable for use in medical equipment.

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