89PHR20KLF

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Trimmer Potentiometers: 89PHR20KLF application field and working principle
Trimmer Potentiometers are a commonly used type of electrical component used in industries, ranging from aerospace to medicine. This type of electrical device is used to adjust the resistance of a circuit to a desired value during design and operation. The 89PHR20KLF is specifically designed as a trimmer potentiometer that is an ideal choice for applications that require a higher than average resistance with precision in setting. In addition, its long product life and extreme durability makes it a great option for long-term performance.The 89PHR20KLF trimmer potentiometer includes a range-adjustable rotor and a stationary printed-circuit board. The adjustable rotor is designed to form an adjustable resistor, which is internally connected to the printed-circuit board. This type of potentiometer is powered by a source voltage and features a rotatable control part consisting of a circular arm and one or more internal contacts. The contacts can either be simultaneously on the same side of the rotary actuator or placed in a circular pattern. Depending on the application, the number of contacts may also vary from two to eight.When the rotary actuator is rotated, the arm moves across a resilient material contact, causing a resistance ratio change to the internal resistor. This change results in an electrical signal output from the device\'s output terminals. The output signal can then be used to control different elements and machines, such as motors, lights, or amplifiers. The 89PHR20KLF trimmer potentiometer is versatile and supports a wide range of applications due to its high performance and precision in setting. It is specifically designed for use in applications that require higher than average resistance and precision. Examples of applications where this type of device is used include: medical devices, telecom equipment, audio/video equipment, consumer electronics, power supplies, electronic metering, HVAC controls, automotive electronics, and electric piano keyboards.The 89PHR20KLF trimmer potentiometer is a reliable and cost-effective solution for applications that require a precise and adjustable resistance with higher accuracy than regular potentiometers. It has enjoyed a long life of quiet operation in even the most challenging industrial settings.

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