72XR100LF

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Trimmer potentiometers are variable resistors whose resistance can be adjusted by means of a screwdriver or a finger. They are used in many industrial and consumer products, from computer speakers to home appliances. The 72XR100LF is a trimmer potentiometer designed for precision applications with low cost, high reliability, and wide operating temperature range. The following sections describe its application field and working principle.

Application Field: The 72XR100LF trimmer potentiometer is used as an adjustable, low-value resistance element in circuits and devices. It is suitable for applications requiring precision adjustment, such as in telecommunications and instrumentation equipment. Other application fields include consumer electronics, power supplies, and security devices.

Working Principle: The 72XR100LF trimmer potentiometer works on the principle of a variable resistor. It has a three terminal arrangement. One terminal is connected to the high resistance end of the resistor, the other two to the low resistance end. The wiper is the part that is connected to the three terminal. The wiper can be moved along the resistor element by turning the screwdriver or adjusting it with a finger. This changes the resistance between the two ends of the resistor.

The 72XR100LF has a wide range of resistance values, from 50 ohms to 3.3k ohms. The resistive element is made of conductive carbon film, and its resistance can be changed mechanically. The life expectancy of the device is more than 10 million operations.

The device is available in two package sizes: 6mm and 12mm. It has low-profile design, allowing for easier operation in tight spaces. It also has a mechanical stopper to avoid accidental overshooting, and a low tolerance of maximum adjusted total resistance.

In addition to its versatile use in electronic circuits, the 72XR100LF trimmer potentiometer can also be used as a throttle or variable speed control in motor and fan applications. It can also be used in high frequency switching systems, since its resistance does not change when the voltage is stepped up or down.

In conclusion, the 72XR100LF trimmer potentiometer is a versatile and reliable device suitable for a wide variety of precision applications. It offers a wide resistance range and a long life expectancy. Its easy operation and low profile design make it suitable for tight spaces. Its robust nature allows for use in high frequency switching systems.

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