RLB9012-682KL

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Fixed Inductors are widely used in electrical circuits due to their convenient size and ability to store electrical energy in a magnetic field. The RLB9012-682KL is a particular type of fixed inductor that has specific characteristics, applications, and working principles. The RLB9012-682KL is a relatively low power, high efficiency fixed inductor characterized by its low profile, low DC resistance, high temperature tolerance, and excellent peak current capability.

In terms of the inductor\'s application field, the RLB9012-682KL is an ideal choice for frequency filters, impedance matching for antennas, and wide-band loading circuit. It is a frequent component in applications such as Radio Frequency (RF) transceivers, satellite signal receivers, multimedia applications, ground-plane couplers, and other mobile communication systems that require a minimum profile with stable performance.

The structure and working principle of the RLB9012-682KL can be understood through the basic construction and flat image of its component layers. The inductor is a through-hole device with a multi-layer ceramic substrate to which two solderable terminals are connected. The core of the inductor consists of an iron powder fill contained within a shield of conductive tape and bobbin assembly, which is not visible on the flat image. This powder-tape shield is sealed with a sheet of thermally conductive soft film, ensuring the stable inductance characteristics of the device over a wide temperature range. The inductance value of the inductor is also enhanced by adding an additional thick-film layer to the ferrite core.

The working principle of the RLB9012-682KL is illustrated in the cross-sectional image. As current passes through the inductor, a magnetic field is created around the wire. This magnetic field is concentrated by the ferrite core, which in turn induces an opposing electromotive force (emf) in the circuit. This induced emf is opposite in direction to the original current and opposes any changes in current, regulating the electrical current flow in the inductor in what is known as the self-induction effect.

The RLB9012-682KL is an excellent choice for low power, high efficiency fixed inductor applications. Its low profile, low DC resistance, high temperature tolerance, and excellent peak current capability make it very suitable for frequency filters, impedance matching for antennas, and wide-band loading circuit applications. Its iron core construction and soft-film seal ensure stable inductance characteristics and reliable performance in different temperature conditions. Finally, its self-induction effect helps to regulate the electrical current flow in the inductor.

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