1812-120K

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Fixed inductors, also known as chokes, are electrical components made of coils of wire used to store energy in the form of a magnetic field. They can be used in a range of applications, such as radio-frequency (RF) filtering, antenna matching, and as components in power supplies for designing circuits. The 1812-120K Inductor is a fixed inductor with a maximum operating temperature of +125°C and 125RPM free air flow.

Application Field

The 1812-120K fixed inductor is suitable for various electronic applications. It is used in telecom systems and wired communication networks as an RF component. It can help in impedance matching circuits in order to ensure the highest signal quality. Additionally, this inductor is often used for power supply filtering in order to suppress power and voltage ripples, providing improved regulation. This inductor can also be used for antenna matching and signal tuning in analog and digital systems.

Working Principle

A fixed inductor works on the basis of Faraday’s law of electromagnetic induction. When an electric current flows through the wire, it creates a magnetic field that will induce a current in adjacent items. When the current in one coil of a fixed inductor is increased, the output current is directed opposite the design current due to the reactance of the inductor. This increases the stored magnetic energy in the inductor and limits the current flow.

Design Considerations

When designing with a fixed inductor there are some important considerations to keep in mind. The first is the inductance value which is determined by the shape and size of the inductor. It is also important to take into account the DC resistance and saturation current of the inductor. Additionally, the self-resonance frequency must also be taken into consideration in order to prevent feedback and resonance issues.

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