0402-12NK

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Fixed Inductors are a widely used component in electrical and electronic circuit activities, and the 0402-12NK inductor is no exception. It is an inductor with an approximated inductance of 0.56nH and parasitic resistance of 4.5 ohms as obtained from electrical parameters measurements. This inductor consists of a housing of size 0402 inches and a metal core of ceramic material with a filing factor of 12. The inductor is wound from a copper enameled wire and it is sealed in a robust ceramic case to make it dust and water proof.

The 0402-12NK inductor has wide application in demanding situations such as for filters and matching components. It is suitable for use in power supplies and integrated circuits, particularly those which require high inductance and compact housings. The 0402-12NK inductor can also function as a clock oscillator for embedded devices, memory protection circuits, and power amplifiers. When used in the automotive applications, the 0402-12NK inductor performs as an energy storage element, allowing for efficient delivery of power pulses, while protecting the circuit from current spikes.

Given the compact size and relatively low inductance value compared to other inductors with larger sizes, the 0402-12NK inductor is more commonly used for low voltage applications. Its high inductance to size ratio makes it suitable for integrated circuits that require high current density, low values of inductance, and other advanced functions. In addition, the current rating of the inductor can be as high as 0.9A, making it a suitable choice for miniaturised circuits such as those found in consumer electronics.

The working principle of the 0402-12NK inductor is based on Faraday’s Law of electromagnetism. When current passes through the inductor, it induces a magnetic field. When the current changes, an opposing voltage is induced due to the magnetic field\'s ability to store energy. The magnitude of this induced voltage depends on the frequency of the current, and it is this voltage which gives the 0402-12NK inductor its high efficiency and excellent noise levels.

In conclusion, the 0402-12NK inductor is a highly effective, miniature component which is suitable for a range of low voltage applications. It has a wide range of uses in power supplies, integrated circuits, clock oscillators, and automotive applications, and it performs at an optimal level thanks to its high efficiency and excellent noise levels. It works according to the Faraday’s Law of electromagnetism, using magnetic fields to store energy and then release it when there is a change in current.

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