MP2-470-R Inductors, Coils, Chokes

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Fixed inductors are electrical components used in various electronic circuits for a variety of purposes, including filtering, energy storage, and signal conditioning. The MP2-470-R is one example of a fixed inductor used in commercial applications. This unit is a single-layer, permanent-magnet, shielded inductor, designed specially for DC-DC converter applications. This application field and working principles of the MP2-470-R will be explored in this article.

The primary purpose of the MP2-470-R is to provide a high-frequency ripple filter for DC-DC converters. This is done by suppressing the high-frequency ripple current caused by the switch mode of the converter. It becomes necessary to reduce it because the ripple current can cause the output of the converter to become too low, resulting in a poor performance and possible damage to the converter.

The MP2-470-R is composed of two parts: the inductor and the magnet. The inductor is composed of an outer copper coil, which is provided with a layer of varnish or insulation to increase the inductance. The magnet is either a ferrite or an iron core, which is encased in a soft iron casing. This casing also contains a permeability adjusting coil, which enables its inductance to be changed. The two parts are then placed inside a plastic shield, which protects the components from external electromagnetic noise and reduces the area of influence.

The working principle of the MP2-470-R is simple. As current flows through the inductor, a magnetic field is generated, which opposes the current. This creates a type of opposition to the current, known as inductive resistance. As the current increases, the magnetic field also grows, thus increasing the opposition to the current. This resistance is known as inductance. The inductance of the unit can be adjusted by altering the number of turns in the coil, or by adding or subtracting magnetic material from the core.

The MP2-470-R provides a better signal filtering than conventional inductors because it is a permanent-magnet inductor. This type of inductor also has a higher resistance to interference from external electromagnetic sources. As a result, it provides a clean, stable output, as well as superior protection against electromagnetic interference (EMI) and electrical fast transients (EFT).

The MP2-470-R is a great choice for DC-DC converter applications, as it is a highly efficient, reliable, and cost-effective inductor. It provides a low inductance and high ripple current suppression for a variety of DC-DC converters, and is also ideal for use in high-temperature environments. This makes it a popular choice for many electronic applications, including automotive and industrial systems.

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