ST5EW102

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A trimmer potentiometer, also known as a trimpot, is a relatively small, mechanically adjustable, three-terminal, fixed value preset resistor. It is used in many surface mount capacitors to configure device parameters such as brightness and contrast in audio-visual products, and to control various parameters of radio-frequency devices. ST5EW102 is one of the most recognizable trimmer potentiometers, used as variable resistors in a variety of electronic circuits.

ST5EW102 is used in a variety of electronic applications, such as volume control for audio amplifiers, adjust the clarity of CDs, calibrate brightness and contrast of TVs, adjust the frequency of oscillators, and adjust resistor values in radio applications. It is a single turn trimmer potemtometer, with the resistance range of 10-100 ohms. The operating temperature range is from -25°C to +85°C.ST5EW102 has a functioning principle similar to any other potentiometer. It has three terminals, the two end terminas are used to apply voltage across, and the middle terminal is used to access the output. As you rotate the knob the contact point(wiper) moves along the resistor strip, thereby changing the resistance between the two end terminals and the output terminal. The resistance between the two end terminals is always fixed, but the resistance between the wiper and the terminals can vary depending on the wiper position.

ST5EW102 can be used to provide a continuous adjustable resistance value, and can also be used as a voltage divider. In applications such as volume control for audio amplifiers, the resistance provided by the ST5EW102 can be used to control the level of audio that is sent to the amplifier. By using different resistances, a range of volumes can be achieved. In oscillator applications, the adjustable resistance of the ST5EW102 can be used to calibrate the frequency of the oscillator. It is also used to calibrate the voltage in potentiometer circuit.

One of the main advantages of ST5EW102 is its low cost. This trimmer potentiometer is used in many mass-produced electronic products and can range from pennies to a few dollars. This makes them an attractive choice for cost-minded engineers. They are also relatively small and easy to install in high density circuits.

In conclusion, ST5EW102 is a small, low cost trimmer potentiometer that is used in many electronic applications, such as volume control, frequency adjustment, and voltage calibration. It can provide an adjustable resistance value and also be used as a voltage divider. The low cost and small size makes them an attractive choice for budget minded engineers.

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