72PMR2KLF

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Trimmer potentiometers (also known as trim pots) are miniature adjustable resistors which are typically used for circuit adjustments in electronic equipment. Although many types of potentiometers exist, trim pots are the most commonly used for circuit adjustment. The 72PMR2KLF is an example of a trim pot which is used for a range of applications.

The 72PMR2KLF comprises of a circular adjustor knob, a printed circuit board, and a terminal base within a black plastic case. It comes in three different size packages (high profile, low profile, and flat top) and is equipped with two terminal pins. The two pins are connected to the inner portion of the printed circuit board which consists of a resistive element. The adjuster knob has a slot,an edge, and a flat termination for the shaft. This makes it easier to adjust the potentiometer.

The 72PMR2KLF is available in various resistance values (ranging from 10 K to 10 Mega ohms) and dielectric strength up to 1000 volts AC. It is used in a variety of different applications including for voltage and current control, as a variable resistor, power supply stabilisation, current limiting, stabilizing feedback loop, audio/video signal processing, motor speed, heat and noise control, etc. It is also suitable for use in low voltage microprocessor based applications.

Now let’s take a look at the working principles of a 72PMR2KLF trimmer potentiometer. When the adjuster knob is rotated, it causes the resistive element on the printed circuit board to be adjusted up and down, thus changing the resistance value. The mechanism works by incorporating an internal contact to vary the resistance between two points within the circuitry. As the knob is adjusted, the contact will move and make contact with different areas of the resistive element, thus changing the resistance. This variable resistance can then be used to make small adjustments to various aspects of the circuit, such as voltage and current.

In conclusion, the 72PMR2KLF is an example of a trimmer potentiometer and can be used for a range of applications. It consists of a printed circuit board, an adjustable knob, and two terminal pins and is available in a variety of resistance values. The working principle of this device is quite simple: as the adjuster knob is rotated, the contact on the printed circuit board moves and varies the resistance between two points, thus changing the values.

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