DC780-824K

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Fixed Inductors: DC780-824K Application Field and Working Principle

Fixed inductors are coil components employed in power sup- ply circuits as the power supply filter in AC-DC converters, and in switching regulator circuits. They are used for storing energy in electromagnetic fields that is created by a varying electric current. Generally, inductors may be classified into two main categories:

• High frequency inductors.
• Fixed inductors.

The DC780-824K fixed inductor from TDK is a high performance component designed for the highest power supply circuits. It is available in standard 10mm packages and is designed for current hFEs of up to 30A. The DC780-824K is well suited to a wide range of use in all types of power supply circuits.

Application Field

The DC780-824K is a non-inductive, air-core inductor that is ideally suited for high-density, high-current applications. Its high-current capability and low voltage drop make it perfect for use in power supply units, switching circuits, and in noise suppression and magnetic shielding. The DC780-824K is particularly useful in applications requiring low DC resistance, high ripple current, and high power density.

The DC780-824K is a reliable component designed with lead-free construction and featuring excellent heating characteristics, allowing it to be used for high power density applications. It has a wide temperature range, making it suitable for use in high temperature environments. The DC780-824K is also capable of handling a high switching frequency up to 200kHz, making it a valuable tool for high speed applications.

Working Principle

The working principle of a fixed inductor is based on Faraday’s law of induction. Faraday’s law states that any time an electric current flows through a conductor, it produces a magnetic field around the conductor. Any change in the current flowing through the conductor will create a changing magnetic field, which in turn induces an electric current in any nearby conductors.

The DC780-824K utilizes this principle by allowing an AC current to fluctuate through a winding of wire. When the winding is moved or its composition changed, it will cause the magnetic field to vary. This variance in the magnetic field will induce an electric current in the nearby conductor. This induced electric current is then passed to the output terminals and can be used for whatever purpose is necessary.

Conclusion

The DC780-824K fixed inductor from TDK is a high performance component suitable for high-current applications. Its low DC resistance and high ripple current capability makes it a great choice for use in switching circuits and noise suppression. The DC780-824K is reliable, designed for lead-free construction and comes in a small 10mm package. The component has a broad temperature range, making it suitable for use in extreme environments and its high switching frequency of up to 200kHz can be useful in high-speed applications.

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