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Trimmer Potentiometers

Trimmer potentiometers are miniature variable resistors that, as the name suggests, can be “trimmed” to adjust the resistance in a circuit. They are small in size and are available in both single turn and multiturn designs. The most common application for trimmer potentiometers is for setting voltage and current levels in electronics circuit.

RJ6P504 Application Field and Working Principle

The RJ6P504 is a single-turn trimmer potentiometer made by RAJI. It is designed to handle up to 0.2W of power at up to 50V. This makes it an excellent choice for use in low-power circuits and applications such as controlling gain, bias current, filter frequency, and other adjustable parameters. The RJ6P504 is available in a wide variety of resistance and voltage ratings.(40K – 10M ohms, 0.5W to 3W)

The working principle of a trimmer potentiometer is quite simple. A resistor element, usually made of carbon and metal, is connected to two external terminals and to a central adjustment terminal. When the adjustment terminal is moved, it changes the resistance between the other two terminals. The amount of resistance change is proportional to the amount of movement, allowing for a wide range of adjustable settings.

The RJ6P504 trimmer is designed to meet RoHS and REACH compliance standards and is rated for temperatures between -55 and +105°C. It features a longitudinal slip design for easy adjustment, and is available with either a round or an L-shaped head. The RJ6P504 is also available as a mounting style resistor with a plastic housing for easier assembly.

The RJ6P504 trimmer potentiometer is a reliable and versatile solution for circuits needing adjustable resistance values. Its wide range of resistance options ensures that it can be used for most low-power applications, and its temperature rating guarantees reliable operation even in extreme conditions.

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