4275W105K

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Trimmer Potentiometers

A trimmer potentiometer is an electronic component used to set a desired electrical resistance in a circuit. It consists of a circular metal disc with a center core that has a graduated scale marked with a range of resistance values. The circular disc and the core both have contact points which can be adjusted to adjust the resistance value. The trimmer potentiometer is generally available in two types, the single-turn and the multi-turn (also known as the variable-turn). The single-turn type is most commonly used in consumer electronics and the multi-turn type provides higher accuracy and control.

4275W105K Application Field and Working Principle

4275W105K is a type of trimmer potentiometer commonly used in consumer electronics. It is specifically designed to provide a 10K ohm variable resistance, with a maximum tolerance of 0.5% at full scale. The 4275W105K is designed to be used in applications where a precise adjustable resistor is required in order to accurately control the applied voltage or current.

The 4275W105K consists of a 10K ohm resistance wire wound around a precision ceramic or plastic core, with a movable contact between them. The contact can be turned to adjust the resistance and the precise resistance value is marked on the scale of the core. The core and the contact points are usually enclosed in a plastic or metal housing and soldered onto a printed circuit board (PCB) in order to keep the contact points secure and reduce the risk of movement when used in a circuit.

The working principle of the 4275W105K is relatively straightforward: when the contact point is turned, the resistance of the 4275W105K can be adjusted by a certain amount of resistance for every degree the contact point is adjusted. For example, when the 4275W105K is set to a resistance of 10,000 ohms, if the contact point is adjusted by one degree, the adjusted resistance will be 10,010 ohms.

The 4275W105K is typically used in applications where an adjustable resistor is needed for accurate control of the applied voltage or current. It is also commonly used in audio equipment, such as equalizers and crossover networks, as well as in measuring instruments and test equipment. It can be used in applications such as impedance matching, frequency division, voltage regulation, power supply control, motor speed control, noise reduction, and volume control.

Conclusion

The 4275W105K trimmer potentiometer is a versatile and reliable electronic component designed to provide adjustable resistances of up to 10K ohms with high accuracy. It is constructed with a precision core and contact points, and is available in single-turn and multi-turn versions. The 4275W105K is suitable for a variety of applications, including audio equipment, measuring instruments, and test equipment.

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