B82471A1473M000 Inductors, Coils, Chokes

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Fixed Inductors

Fixed inductors, also known as ferrite core inductor, are passive electronic components that convert electrical energy from one form to another. They usually consist of a tightly wound magnetic core of ferrite material that is physically stationary in relation to the inductor, its outer winding and the electrical current passing through it.

B82471A1473M000 is one type of a fixed inductor that is designed with a single layer ferrite core and a cylindrical copper winding made to a specific inductance. The winding is thermally protected to increase the temperature range of its applications. The 0.25mm gap between the ferrite core and winding provides inductance stability and required function for the inductor.

Application Field and Working Principle

The B82471A1473M000 comprises a robust construction and flat inductance characteristics. It is designed for miniaturized AC/DC power supply, line output transformer, flyback converter and shield transformer applications. The robust construction of the core is designed to meet the requirements of the widely accepted UL 510 and IEC 61558-2 standards. This ensures that higher current levels can be handled without the inductor being damaged.

The working principle of the B82471A1473M000 involves the passing of alternating current through the ferrite core and outer winding. As the current passes along the winding of the inductor, the core creates a magnetic field, which increases and decreases in strength as the current flux changes direction. This magnetic field induces a voltage onto the secondary winding of the inductor and helps the current flow from one winding to the other, while simultaneously storing and releasing energy in the form of an induced EMF.

The amount of voltage produced is proportional to the rate of increase or decrease of the current flowing through the inductor, resulting in a voltage change with a polarity that is determined by the direction of the current. By constructing the inductor with a magnetic core, the amount of voltage produced is relatively high and the effectiveness of the inductor is increased.

The B82471A1473M000 fixed inductor offers good frequency characteristics and high stability values. The core material helps to maintain a very low temperature coefficient for the inductance, meaning it is suitable for temperature compensated AC applications. It also provides very low leakage inductance, meaning that it can be used in a multi-winding configuration, and its self-shielding design ensures minimal noise levels.

Conclusion

The B82471A1473M000 is a reliable and versatile fixed inductor that is suitable for a range of AC/DC power supply, line output transformer, flyback converter and shield transformer applications. It has a robust construction that meets the requirements of safety standards such as UL 510 and IEC 61558-2, and its ferrite core and cylindrical copper winding provide excellent stability and frequency characteristics. This, coupled with its reliable thermal protection and low leakage inductance levels, makes the B82471A1473M000 well suited for applications with high frequency, high current and harsh environmental requirements.

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