37SR1KLF

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Trimmer Potentiometers are the most versatile products used to precisely adjust the resistance value in circuits. One of the most popular Trimmer Potentiemeters is 37SR1KLF, which is famous for its wide range of application fields and working principles.

Overview

37SR1KLF Trimmer Potentiometer is a three-terminal, through-hole adjustable resistor device. It has a single turn, self-wiping carbon track with a polyamide film dielectric. It offers control resistance values from 500 Ω to 10 kΩ, allowing flexibility in the design. The component has a 12.5mm package body size, offering compactness in the circuit design. This device is highly reliable and widely applied in various fields.

Application Fields

37SR1KLF is highly suitable for laser diode current control, communication systems, video camera modules, automotive system applications, and many other delicate circuit adjustments in industries such as instrumentation, medical electronics, and high-end audio applications. The component typically operates in temperatures from -30 to + 85°C. It is an ideal choice for detailed current control, measuring, and balancing the audio signal in audio amplifier and video control operations.

Working Principles

The 37SR1KLF Trimmer Potentiometer has a split-rotor design, with no mechanical contact between the wiper arm and track terminal. The component is based on self-wiping technology, in which the rotor and track are divided by a dielectric film, providing superior long-term reliability due to the self-cleaning action. The contact area is also significantly reduced, offering long-term stability. The wiper is an optimized, nonspecific, and flat carbon coating. The Potentiometer has superior performance due to its precision alignment, allowing it to make 1,000 rotations with minimal change in contact resistance.

Benefits

37SR1KLF offers many advantages, including better performance in contact resistance due to its low track resistance of ≥0.1 Ω. It also provides exceptional long-term operational stability despite the minimal contact area of the wiper thanks to the properly sized gap. This component also has a high resistance accuracy, allowing precise current control. Moreover, its low sliding contact resistance makes it a better choice for audio control signal applications. Lastly, its metal cover provides additional protection from external mechanical and electrical influences.

Conclusion

37SR1KLF Trimmer Potentiometer is one of the most popular Trimmer Potentiometers, offering wide range of application fields and working principles. It is used for precision current control, audio control signal applications, and many others. Its split-rotor design with no mechanical contact between the wiper arm and track terminal provide superior long-term reliability. This component also offers exceptional long-term operational stability for its precision alignment and low sliding contact resistance. 37SR1KLF Trimmer Potentiometer is the ideal choice for various applications in electronics industries.

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