38PLABR10KLF30

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Trimmer Potentiometers are adjustable, three-terminal potentiometers that are used in a range of applications in electronics. They have two fixed contact points and one adjustable contact point, usually referred to as the wiper. The 38PLABR10KLF30 is a trimmer potentiometer that is commonly used in low current, low voltage applications, such as adjusting the brightness of the backlight on LCD displays, controlling the frequency and volume on audio devices, and controlling the speed of fans.

Trimmer potentiometers are also used for feedback control applications, such as allowing consumer electronics to recognize user input and adjust a settings accordingly, and also for calibrating and trimming settings on sophisticated control systems.

The 38PLABR10KLF30 is a single-turn trimmer potentiometer. This means it can only make small adjustments in the resistance to ground, as it only has one terminals that can pivot or turn. The amount of resistance will depend on the rotary position of the potentiometer, with the most resistance between the first and second terminals, and the least resistance between the second and third terminals.

The 38PLABR10KLF30 is constructed from a carbon film element, with a total resistance between the first and third terminals of 10k ohms, and is also sealed to protect it from moisture and other environmental factors.

The principle of operation for the 38PLABR10KLF30 trimmer potentiometer is relatively simple. When a voltage is applied to the first and third terminals, the current will move through the potentiometer until it reaches the second, or tap, terminal. The position of the tap terminal is adjustable and the current will depend on the resistance from the first terminal to tap. By adjusting the tap terminal, we can adjust the resistance from the first and third terminals.

For many applications, trimmer potentiometers can be used in place of standard multi-turn potentiometers, which require the user to manually turn the potentiometer until the desired position is reached. Trimmer potentiometers are also suitable for receiving and responding to user input in quickly, without having to adjust the whole potentiometer each time changes are required.

The 38PLABR10KLF30 is just one example of a trimmer potentiometer available on the market. Different types of trimmer potentiometers are available, depending on the application and resistance range required.

In conclusion, the 38PLABR10KLF30 is a single-turn trimmer potentiometer that is widely used in low current, low voltage applications, such as adjusting the brightness of the backlight on LCD displays, controlling the frequency and volume on audio devices, and controlling the speed of fans. It is constructed from a carbon film element, with a total resistance of 10k ohms, and its working principle is relatively simple.

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