43WR200KLFTB

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Trimmer Potentiometers

A trimmer potentiometer is an electronic component used to adjust the electrical circuit parameters, such as voltage and current, without the need for external power. It is also known as a trimpot and consists of a resistor, a wiper arm, and a knob or shaft, which are all interconnected.

Trimmer potentiometers are found in a wide range of applications, including precision resistors, adjustable voltage references, power supplies, or as a special value of fixed resistor. In addition, they are used to trim the frequency and phase of oscillator circuits, calibrate or vary the gain of amplifiers, as well as adjust the DC operating voltage of various circuits.

The most commonly used model is the 43WR200KLFTB trimmer potentiometer, which offers excellent performance for applications where adjustment of the resistance is needed. The 43WR200KLFTB model features a long resistance range from 500 ohms to 200 kiloohms and a wide tolerance range from ± 2.5%, ± 10%, ± 20%, and ± 30%. It is also designed with an M12 flat head screw, giving it excellent fastening ability.

The working principle of a trimmer potentiometer is relatively simple. When an external voltage or current is applied to the potentiometer, the wiper arm makes contact with a resistor, and the resulting resistance is dependent on the angle of the arm. The resistance thus created can be adjusted by rotating the knob or shaft of the potentiometer; as the knob is turned, the angle of the arm changes, and the resistance is accordingly modified.

Trimmer potentiometers are used in a variety of applications because of their relatively low cost and small size. They offer a great way to quickly and accurately adjust the parameters of an electrical circuit without the need for external power. With a wide variety of models available, they provide an excellent solution for a wide range of applications.

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