25PR2KLF

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Trimmer Potentiometers

Trimmer potentiometers are designed to be used in electronic devices and systems, such as amplifiers, regulators, and mixers. They are used to control the gain, frequency response, voltage, or other electrical parameters of these systems. Trimmer potentiometers are generally small and are mounted directly onto a PCB (Printed Circuit Board), and are adjustable by means of an external access port, such as a screw or metal plate.

25PR2KLF Application Field and Working Principle

The 25PR2KLF trim pot is a 2k ohm potentiometer with a linear taper, meaning the resistance value increases linearly based on the position of the wiper arm, or adjustment knob. This taper makes it well-suited for a variety of application fields, such as stereo amplifiers, sound mixing boards, bass and treble control, voltage regulators, and many others. The 25PR2KLF is rated for a maximum power of 0.5W and a Resistance-Temperature Coefficient (RTC) of 300ppm/°C maximum. It also has an accuracy rating of ±20%.

The 25PR2KLF is constructed of a sealed plastic housing that protects it from any outside influences, and it’s designed to be mounted directly onto a PCB. The rotor shaft is 3mm long and made of stainless steel, with a knurled grip offering convenience in adjustment and a smooth, continuous rotation. The wiper arm is made of phosphor bronze, which has a low electrical resistance and good spring-like properties. The resistance element is a highly conductive printing film, which is mounted onto an adjustable alumina ceramic plate. This construction allows for accurate and consistent adjustment.

The 25PR2KLF is ideal for applications that require precise and repeatable adjustments in electrical parameters and can easily be adjusted via its accessible external port. It is simple to install and does not require calibration, due to its accurate and consistent construction. Its small size and low power rating allow it to be used in most any electronic system, and its sealed construction provides durability and reliability.

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