25SR10KLF

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Trimmer Potentiometers

Trimmer potentiometers, also known as trimmers, are small adjustable resistors used for manual adjustment and calibration on a printed circuit board. This type of potentiometer is designed to save board space while providing precise adjustment. 25SR10KLF is one such trimmer potentiometer that works within a wide range of applications. This article discusses the application field and the working principle of 25SR10KLF.

Application Fields of 25SR10KLF

25SR10KLF trimmer potentiometers are used in a variety of applications which includes:

• Adjustment of gain and offset of analog circuits or amplifiers
• Feedback circuit in control systems
• Audio control systems, such as volume control and equalization
• Precision current sources for testing
• Electronic instrumentation

The 25SR10KLF’s extra low profile and miniature size makes them suitable for high density PCB, as it confers better device arrangement and helps to reduce the overall dimension of the system or product. They are also suitable for second level adjustment after the system being powered on or when the system is connected to an external source of power.

Working Principle of 25SR10KLF

25SR10KLF trimmer potentiometers are resistive devices that works on the same principle of any variable resistor, which is based on the variation of a resistor value or resistance value when it is rotated. It consists of a resistance element wound in a circular wiper form along with end terminals and a central terminal. When the central terminal is connected to one of the ends of the resistor element, the resulting connection behaves like a variable resistor and its resistance can be adjusted by rotating the wiper.

The 25SR10KLF uses a conductive plastic element which provides continuous calibrated relative movements that are repeatable over a full rotation and the 25SR10KLF basic design is based on the symmetrical 3-terminal resistor. The inner contact (terminal) is connected to an electrically conductive plastic element and this contact is adjustable and can be positioned virtually anywhere along the element\'s length turning the potentiometer into a rheostat.

The 25SR10KLF trimmer potentiometer require minimal effort for setting, thus providing reliable operation over a combination of temperature and life cycles. These trimmer potentiometers are designed in such a way that once the setting is done the adjustment can be locked in place and its defined value will remain even if the external forces or vibrations are applied to the part.

Conclusion

25SR10KLF trimmer potentiometers are reliable and cost effective solution for a wide range of applications like audio control systems, electronic circuit adjustment, etc. This trimmer potenciometers are easy to install on a PCB, require minimal adjustment effort and provide repeatable and reliable output which can be locked in after set a value.

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