ST42EG105

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Trimmer Potentiometers are variable resistor components that allow for external adjustment of the resistance in a given circuit. Widley used in applications such as television, computer, power electronic system, audio and LEDlight dimming applications, these components are essential in helping to regulate the amount of current flowing through the circuit. The ST42EG105 is one of the many types of trimmer potentiometer utilized in circuits today.

The ST42EG105 is a vertical multi-turn trimmer potentiometer set with 8 turns, 2 watt and a 2.954 mm tolerance. With a resistance range of 125 ohm, the component operates between 25V DC and 250V DC. It is also designed with a mechanical rotational life of 15000 turns, a rotational angleof 340 degrees, and temperature coefficient of +/- 500 ppm/C. Additionally, the device has a full scale resistance tolerance of +/- 10% and TC of 25ppm/C. The ST42EG105’s body material is plastic, while it is also designed with a soldering iron adjustable feature.

The ST42EG105’s working principle is primarily used to regulate the resistance in given circuits. This is done through adjusting the resistance on the trimmer potentiometer, by turning a knob or moving a slider to adjust the resistance in a circuit. For example, a resistor is installed in each circuit. When the knob or slider is adjusted, the resistance of the trimmer potentiometer will also adjust accordingly, thus resulting in a change in resistance in the circuit.

The ST42EG105 trimmer potentiometer is utilized in various different applications, such as Television and Audio circuits. It is used for adjusting the audio levels or video levels of a particular device, by changing the resistance in the circuit.Additionally, it is also commonly used in LED lighting circuits to dim or brighten a particular LEDlight source while conserving energy. It is also used in the computer and power electronic system, for applications such as current frequency, switching power supply, power amplifier and so forth.

In conclusion, the ST42EG105 trimmer potentiometer is a device that allows for external adjustment of the resistance in a given circuit. The component operates between 25V DC and 250V DC with a resistance range of 125 ohm and it includes a mechanical rotational life of 15000 turns with a rotational angleof 340 degrees. The ST42EG105 is widley used in applications such as television, audio, computer, power electronic system and LEDlight dimming, and these components are essential in helping to regulate the amount of current flowing through the circuit.

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