90PR25KLF

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Trimmer Potentiometers have many useful applications and are quite versatile. The 90PR25KLF is one of the most popular models, known for its ability to provide highly reliable adjustment even after years of service. This trimmer potentiometer has a unique design and is highly temperature stable, making it suitable for a wide variety of applications.

Housing and Contacts

The 90PR25KLF is a single turn 5mm square trimmer potentiometer that comes in an open frame package. It is sealed against dust and moisture.
The resistance range of the 90PR25KLF is 0.6Ω to 25kΩ, achieved by a series array of two fixed resistors and a moveable element. This moveable element is a spiral-shaped flat winding, situated between two contacts.

Adjustment Mechanism

The 90PR25KLF is easy to adjust, with a turn-and-slide adjustment mechanism that requires no loose screws or other objects to access. This makes it an ideal choice for applications where ease-of-access and repeatability are paramount. The 90PR25KLF also features a great locking mechanism for when adjustments are complete.

Performance Features

The 90PR25KLF has a height of just 11.8mm and a full turn-angle of 300°. Power dissipation is rated at 0.2W, with a maximum overload voltage of 50V.#
The operating temperature range for the 90PR25KLF is -10°C to +85°C, while the standard resistance tolerance is ±20%. This trimmer potentiometer also boasts a high insulation resistance of 10MΩ at 500Vdc, ensuring reliable performance in a broad range of applications.

Applications

Due to its exceptional resistance stability and high temperature performance, the 90PR25KLF trimmer potentiometer is ideal for a wide variety of applications including audio equipment, automotive systems, office automation equipment, measuring instruments and medical devices.

Working Principle

The 90PR25KLF trimmer potentiometer operates through two terminals, one of which is connected to the power source and the other to the load. The resistance value is then adjusted by rotating the moveable element with the turn-and-slide adjustment mechanism. This alters the current flow, enabling precise adjustment of the equipment.

Conclusion

The 90PR25KLF trimmer potentiometer is certainly a popular choice for many applications. This trimmer has all of the features you would expect from a high-end product, making it well worth considering for your next project. With its ease-of-adjustment and temperature stability, the 90PR25KLF can be relied on to provide reliable service for years to come.

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