SM-43W102

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A trimmer potentiometer is a type of adjustable resistor which is commonly used for tuning and calibration purposes in electrical and electronic circuits. The most commonly used type of trimmer potentiometer is the SM-43W102. The SM-43W102 is a surface mount multi-turn ceramic trimming potentiometer designed to provide accurate adjustment with small physical size and minimal PCB space.

The SM-43W102 is a multi-turn adjustable trimmer potentiometer with a size of 4.3x2.85mm. It features a flat top, has a low profile, small PCB area, and low temperature coefficient. The weight of the SM-43W102 is 0.4 gm, which means it is light and easy to handle. It uses reliable elements with a guarantee of more than ten thousand turns with non-linearity of less than 1%.

Applications

The SM-43W102 trimmer potentiometer is commonly used in a wide range of applications, including transducer, audio electronics, voltage regulator system, amplifier systems, and power supplies. It is also widely used in radio frequency systems, high frequency components, automotive electronics, and many other applications which require precise adjustability.

Working Principle

The working principle of the SM-43W102 trimmer potentiometer is simple. It is basically an adjustable resistor which allows the user to adjust the resistance within a range of values. The trimmer potentiometer has two leads – one connected to the +V supply, and the other to the adjustable tap. As the tap is moved across the resistive element, the resistance value changes and the output voltage at the tap changes accordingly. The output voltage can be adjusted within the range of the resistive element (10 kΩ to 1 mΩ).

The SM-43W102 is also used to adjust the frequency response of tuned circuits such as amplifiers. It also has a wide dynamic range of voltages and has a tolerance of ±10%. This makes it ideal for precision applications which require precise control over the output voltage.

The SM-43W102 trimmer potentiometer is a very versatile component which has a wide range of applications in electronics and electrical engineering. It is easy to use and provides accurate adjustment with small physical size and minimal PCB space.

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