0805-22NK

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Fixed inductors, in other words known as coils, are electrical components mainly comprised of winding coils and made of conductive materials such as copper, aluminum, or a combination of both. Generally, fixed inductors are constructed with air cores, ferrite cores, or powdered iron cores, and offer reactive current and voltage limiting ability. They are the basis of various kinds of electrical circuits.

Due to their wide range of features, fixed inductors find versatile applications in different electrical systems. They are used to provide active current or voltage to system components, resist changes in signal frequency, decouple signal transfers, and create electrical filters.

One example of fixed inductors is 0805-22NK, which is an inductor of 0805 size with 3mm height and 331mH inductance. The 0805-22NK provides an ideal solution for various noise reduction and energy storage applications. This inductor operates up to 70A current, which makes it suitable for high power AC adapters, switching power supplies, and motor drives.

The 0805-22NK is constructed with high grade enameled wire and a high permeability ferrite magnetic core. This combination ensures low DC resistance and low core losses, resulting in high power efficiency. For its operation, a sufficient magnetic field and a correct current path must be guaranteed. Therefore, the correct winding pattern must be applied, and the enameled wire should remain undamaged.

When applying a voltage to the winding, the 0805-22NK fixed inductor generates a range of inductance frequencies. These make the inductor work as a voltage filter, blocking the frequency of the incoming AC power and allowing only certain frequencies to pass through to other components of the system. This capability enables noise reduction as well as energy storage.

The 0805-22NK fixed inductor also works as a transformer. When an alternating current is passed through the winding, it results in a change of voltage, allowing for the transformation of high voltage/low current to low voltage/high current. This usually happens in tuning circuits, where the 0805-22NK is used to adjust the signal amplitude, frequency and other characteristics.

The 0805-22NK fixed inductor is ideal for a wide variety of applications. It can be used in SMPS circuits, AC adapters, switching power supplies, motor drives, and other industrial devices. This inductor is designed to be highly reliable and has a long service life which is usually extended by the application of thermal-resistant varnishes.

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