91BR50KLF

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Trimmer Potentiometers

91BR50KLF is a trimmer potentiometer, which is a type of adjustable resistor used in a variety of electronic circuits for adjusting signal levels. It is a three-terminal type of variable resistor with a wiper connected to one end and at least two other terminals connected to the fixed resistors. It can be used in both AC and DC circuits and is common in applications requiring control or limitations of input signal levels such as AC/DC converters, speed controllers, audio amplifiers, and LED drivers.

Application Field and Working Principle

The 91BR50KLF trimmer potentiometer is used in application fields like audio and video apparatus, computer and power supply circuits, communication equipments and TV receivers. It features with few parts, small size and high reliability, and is adopted to reduce the cost of assembly by eliminating the conventional adjustment process. The wiper of the 91BR50KLF trimmer potentiometer is operated on a conductive track that is space-saving and formed of metal alloy or plastic. The operation of the resistor is based on the principle of a voltage divider wherein the voltage of a signal is divided as it passes through the resistor.

When the wiper is moved to different positions along the track, it will vary the voltage divider ratio between the two fixed resistors. This creates a variable resistance between the terminals that can be adjusted precisely depending on the position of the wiper. The higher the resistance in the upper resistor is, the lower the resistance between the wiper and the lower resistor will be. The resistance of this adjustment can range from fully open to fully closed, depending on the track length and number of turns. Generally, the 91BR50KLF trimmer potentiometer is designed for high precision and offers a wide range of resistances with better temperature stability.

The 91BR50KLF trimmer potentiometer is widely used for its high performance characteristics, low cost and wide range of options such as mechanical and solid-state versions, linear or logarithmic track tapers, sliders and rotary configurations, low temperature range and high speed range. It is also available in a variety of packages sizes and shapes, including through-hole, surface-mount and chassis-mount.

In summary, the 91BR50KLF trimmer potentiometer is a reliable and cost-effective way of adjusting signal levels in a wide range of applications. It is important to select the right one for a specific application, considering the type of circuit and the operating environment. With its high performance characteristics, it can offer excellent performance, reliability and accuracy in the specified application field.

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