RJR26FW503PQ Potentiometers, Variable Resistors

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Trimmer potentiometers are adjustable resistors used to track or adjust the voltage/current mix within a circuit. The RJR26FW503PQ is a high-precision trimmer with an impressive list of features, making it suitable for a broad range of applications. This article examines the features, applications and working principles of the RJR26FW503PQ trimmer potentiometer.

Features

The RJR26FW503PQ is a single-turn trimmer potentiometer. This compact design features a sealed case and an internal knurled adjustment screw. It has a 3 mm shaft diameter, a rotational life of 500thousand cycles, and an operating temperature range of –65°C to +150°C. It also has a tolerance of ±20%. This product can be used in a variety of applications due to its low power consumption and high accuracy.

Applications

The RJR26FW503PQ trimmer has a wide range of applications, including:

• Lighting: The RJR26FW503PQ can be used to control lighting in residential and commercial buildings, allowing for precise dimming control.
• Electronics Production: Trimmers can be incorporated into production equipment to provide precise levels of control.
• Measuring Instruments: This type of trimmer can be used in digital pressure and temperature measurement instruments.
• Automotive: This trimmer can be used in automobiles to adjust engine timing, fuel delivery, and other parameters.
• Industrial: This trimmer is used in industrial automation systems, such as robotics, to provide precise adjustment of process parameters.

Working Principle

A trimmer potentiometer consists of three terminals: a common terminal, a variable terminal, and an adjustment screw. It works by adjusting the resistance between the two terminals, adjusting the voltage/current mix within the circuit. The adjustment screw on the trimmer is used to adjust the resistance between the two terminals.

When the trimmer is used for its intended purpose, adjusting the resistance is generally a manual process, since most applications do not require constant adjustments. However, some trimmers are equipped with an optional motor that can be used to automate the adjustment process. This type of motor is usually connected to an external control device, such as a computer or PLC, which can be used to adjust the resistance of the trimmer remotely.

Conclusion

The RJR26FW503PQ trimmer potentiometer is a high-precision device that is suitable for a wide range of applications. It is designed to provide precise levels of control, and has a rotational life of 500thousand cycles and an operating temperature range of –65°C to +150°C. It also has an impressive list of features, making it well suited for use in a variety of applications.

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