3386U-1-105ALF

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Trimmer Potentiometers

The 3386U-1-105ALF is an example of a trimmer potentiometer designed for applications like electrical resistance, voltage divider, voltage dividing networks, current divider, tunings, and adjustments. The 3386 series is designed with close tolerances and precision. It has a single manual adjustment with tighter resistances and wattage capabilities that can handle more power than precision multi-turn potentiometers.

Features and Benefits

The 3386U-1-105ALF has a single turn, with up to 10 turns of resistance, and up to 100 ohms of resistance. It features a ceramic element, which is particularly recommended for higher wattage, higher temperature, and higher stability requirements, as well as very superior pulse capabilities. The product has high performance features such as low dissipation factor, low drift and low temperature drift. The mounting configuration of the 3306U-1-105ALF is designed for easy automatic mounting, and mounting hardware is included.

Applications

The 3386U-1-105ALF is ideal for applications such as amplifier gain control, amplifier muting, audio adjustments, audio damping, feedback control, gain control, and level control. It can also be used to adjust frequency, DC offset, and preamplifier controls. Since the trimmer potentiometers have a wide range of resistance and wattage, they are well suited for applications where there is a need to adjust voltage range, current consumption, and stability.

Working Principle

The trimmer potentiometers work by having a stationary wiper that is connected to a resistor. The resistance value of the resistor will change depending on the position of the wiper. This adjustment is done manually and the range of the resistance is from 0 ohms to the maximum value provided, depending on the type of trimmer potentiometer.

In operation, the field effect is adjusted by rotating the trimmer control knob, thus affecting the resistor\'s resistance value. This change in resistance affects the voltage and current through the resistor, and hence, the field effect and change in magnitude of output current or voltage.

Conclusion

The 3386U-1-105ALF is an excellent example of a trimmer potentiometer for application in various fields. Its ease of mounting, and precise and close tolerances makes it ideal for applications where it is necessary to adjust signal voltage, amplitude, and stability. It is a cost-effective solution when compared to other types of trimmers, since it has a shorter order lead time and lower costs due to their lower wattage and resistance ranges. Additionally, it offers superior pulse capabilities and its ceramic element provides high stability even in higher temperature applications.

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