MDKK3030TR47MMV

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Fixed inductors, also known as coils or chokes, are electromechanical components that comprise winding enameled wire around a ferrite core and then connecting them with an electrical insulating material. These components are found in virtually every electronic device, such as televisions, radio receivers, computers, and digital appliances, and serve numerous purposes. The MDKK3030TR47MMV is an example of a fixed inductor.

Application Field

The MDKK3030TR47MMV is a ferrite core inductor, and can be used in various electronic applications. It is suitable for use in DC-DC converters, resonant converters, switch mode power supplies, as well as automotive, telecommunications, and LED lighting applications. It is a surface-mount device (SMD) designed to take up minimal space, and typically operates in temperatures ranging from -40C to +85C.

It features a small size (6.3*3.2*2.0mm), a low profile height, and a high thermal resistance. Thanks to these properties, the MDKK3030TR47MMV can easily be installed in most electronic devices without taking up a lot of space. It also offers long-term reliable performance even under harsh environmental conditions.

Working Principle

An inductor works by electromagnetic induction, also known as Faraday\'s Law of Induction. This law states that when a conducting wire is placed in a magnetic field, a voltage is induced in the wire. The voltage in an inductor is proportional to the rate at which a magnetic field changes near the wire.

The working principle of the MDKK3030TR47MMV is based on the same law. It is made up of a ferrite core and a wire wrapped around it, thus creating a magnetic field. When electric current passes through the wire, a changing magnetic field is created which induces an electromotive force in the wire. This electromotive force is stored as magnetic energy in the ferrite core.

By controlling the number of turns of wire around the ferrite core, the inductance of the device can be varied. The inductance of an inductor is measured in microhenries (μH) and is the ratio between magnetomotive force (MMF) in the core and the resultant induced voltage in the coil. A higher inductance indicates more MMF and storage of more energy in the core.

The MDKK3030TR47MMV has a low profile height, a high thermal resistance, and offers long-term reliable performance. This makes it ideal for use in a variety of electronic applications, such as DC-DC converters, switch mode power supplies, and automotive, telecommunications, and LED lighting applications.

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