EVM-EASA00B12 Potentiometers, Variable Resistors

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Trimmer Potentiometers are commonly used in many devices which require precise adjustment, from analog playback and recording equipment to computers and touchscreen displays. EVM-EASA00B12 is a small footprint, sealed trimmer potentiometer to provide a precise adjustment of electrical functions in a wide range of applications. It is used to adjust the resistance of a circuit or other electrical components to generate a specific electrical output.

Application Field

The EVM-EASA00B12 Trimmer Potentiometer is a common component used in a wide range of electronic applications. It is typically used in the adjustment of gain in audio amplifiers and signal conditioning components, to adjust the brightness of LEDs used in display devices, to adjust the speed and torque in motor control systems, to adjust the filter response in communication systems, and for temperature control in HVAC systems. It is also used in applications that require precise mechanical adjustment, such as in personal electronics, trim switches, door locks, and other force or position sensors.

Working Principle

The EVM-EASA00B12 Trimmer Potentiometer basically consists of a resistance element that can be adjusted by a small screw. The resistance element is a section of a metal foil etched with a continuous track of conductive material. Generally, trimmer potentiometers are adjustable with a screwdriver or small tool by turning the shaft of the trimmer. The shaft is connected to a slider that makes contact with a conductive track or resistance element which controls the variation of resistance. When the position of the slider changes, the resistance of the potentiometer increases or decreases accordingly. This is how the resistance of the potentiometer is adjusted.

Conclusion

The EVM-EASA00B12 Trimmer Potentiometer is a small footprint, sealed trimmer potentiometer which is commonly used in many devices which require precise adjustment. It is used in the adjustment of gain in audio amplifiers and signal conditioning components, to adjust the brightness of LEDs used in display devices, to adjust the speed and torque in motor control systems, to adjust the filter response in communication systems, and for temperature control in HVAC systems. The working principle of a trimmer potentiometer is dependent on a resistance element that can be adjusted by a small screw, and by turning the shaft of the trimmer the resistance of the potentiometer increases or decreases accordingly.

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