3224J-1-200E

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Trimmer Potentiometers are small adjustable potentiometers or resistors typically used to fine-tune electronic circuits. This article will focus on the 3224J-1-200E Trimmer Potentiometer, specifically looking at its application field and working principle.

Application Field

The 3224J-1-200E features a resistance range of 200Ω and a power rating of 1/3W, making it suitable for use in a wide range of applications. It is typically used in audio amplifiers, musical synthesizers, and many other audio applications as a volume control. Another common application is as a calibrating device for measuring instruments, where the precise resistance value of the trimmer is used to adjust the working parameters of the instrument.

Working Principle

The 3224J-1-200E is a three-terminal trimmer potentiometer, which means it has three leads – a common terminal (COM), a clockwise terminal (CW), and a counterclockwise terminal (CCW). A resistive carbon track, located inside the trimmer is then connected between the terminals. When the knob or shaft of the trimmer is rotated, a wiper arm makes contact with the resistive track, changing the resistance value between the terminals. The resistance of the trimmer potentiometer can then be adjusted precisely by rotating the knob or shaft.

Conclusion

The 3224J-1-200E Trimmer Potentiometer is a small, adjustable potentiometer suitable for a wide range of applications. It works by connecting a resistive carbon track between three terminals and then adjusting the resistance between them by rotating the knob or shaft. This makes it an ideal solution for fine-tuning electrical circuits in audio amplifiers, musical synthesizers, and many other applications where a precise resistance value is required.

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