3386F-1-505

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3386F-1-505 Application Field and Working Principle

Trimmer potentiometers are small, inexpensive and potentiometers, in which the user can adjust its resistance value within a limited range. The 3386F-1-505 is such a trimmer potentiometer, whose typical application fields are volume and tone control of audio systems, low end circuit auto-calibration, and precision adjustment in multiple types of systems.When compared to other commonly used trimmer potentiometers, the 3386F-1-505 comes with a relatively large resistance range of 1kΩ to 500kΩ, and with a resistance tolerance of ±20%. Besides, it is equipped with a self-lock function, which eliminates extra maintenance efforts for reset and calibration caused by loosening of the screw due to external vibration.Briefly speaking, the working principle of the 3386F-1-505 is almost the same as other trimmer potentiometers. Each trimmer potentiometer basically comes with three parts, a free rotatable metal shaft, the base, and the resistive track. By using the rotatable metal shaft, the user can change the connection point between the base and the resistive track, thereby changing the resistance value of the trimmer potentiometers.In the case of the 3386F-1-505, its large resistance range and the simple working principle makes it suitable for a wide variety of applications. It can be used to adjust the volume and tone of the audio systems, perform low end circuit auto-calibration, or as a precision adjustment in multiple types of systems. The self-locking function can help prevent unwanted slippage and make adjustments and calibrations easier.

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