72XR1KLFTB

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Trimmer Potentiometers are widely used in electronic circuits to help adjust the voltage, current and other parameters of the circuits. They are usually small, adjustable components that help multilayer ceramic capacitors (MLCCs) to reach a better performance or a desired resistance. One of the most popularly used trimming potentiometers is the 72XR1KLFTB. It is a high-performance and low-cost potentiometer from Bourns.

Application Field

The 72XR1KLFTB, or 72XR1K for short, is a small-sized trimmer potentiometer with an electrical resistance of 1 kilo-ohms (1kΩ) and a voltage rating of up to 25 volts. It is mainly used to adjust the resistance in various kinds of electronic circuit, such as high-voltage or high-power circuits. It is also used as an adjustable-gain unit for oscillators in electronic circuits. Since the 72XR1K is small and light weight, it can be used to develop smaller applications where traditional trimmers are too big to fit.

Working Principle

The working principle of the 72XR1KLFTB is quite simple. It is a three-terminal device made up of a resistive element and three fixed contact points. The resistive element of the 72XR1K is a ceramic element with a thin, slide-able contact point. The three contact points are labeled as the fixed top, center and bottom terminals. The top terminal is a fixed end that is used to measure the resistance between the center and bottom terminals. As the slider is adjusted, the resistance between the center and bottom terminals is varied. The resistance can be set to any value between 0 ohms and 1kΩ.

Therefore, when the 72XR1K is used to adjust the electrical values in a circuit, the resistance between the center and bottom terminals can be adjusted from 0 ohms to 1kΩ. This allows the user to precisely adjust the resistance in the circuit, which results in a more accurate output. It is important to note that the 72XR1KLFTB is non-inductive, meaning that no additional inductance is added to the circuit when power is supplied.

Conclusion

The 72XR1KLFTB is a popular trimmer potentiometer from Bourns. It is used to adjust the resistance in various kinds of electronic circuit, such as high-voltage or high-power circuits. It is also used as an adjustable-gain unit for oscillators. The 72XR1K is non-inductive, meaning that no additional inductance is added to the circuit when power is supplied. With its compact size and light weight, it is an ideal choice for smaller applications.

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