SC43B-390

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Fixed inductors are electrical components that store energy in the form of magnetic fields. Commonly used in electronic circuits, they play a vital role in the frequency-selective functions that produce high-quality sound in audio and video systems. SC43B-390 is a type of fixed inductor manufactured by Seiko Corporation that offers higher performance than conventional inductors. This article will discuss the application field and working principle of SC43B-390.

Application Field

SC43B-390 is primarily used as part of the intermediate frequency circuit of AM and FM radio receivers. It finds uses in appliances such as CD players, DVD players, car audio systems, and audio-visual systems, among other things. Furthermore, SC43B-390 features excellent magnetic absorption performance, making it suitable for use in high-frequency applications such as digital broadcast receivers and radio telephone communication devices.

Working Principle

As with other fixed inductors, SC43B-390 functions by producing and storing energy in the form of magnetic fields. A fixed inductor consists of a wire coiled around a core, the basic shape of which can be a cylinder, a ring, or a slotted core. When a current passes through the wire, it creates a magnetic field in the core. As the coil of wire has a certain number of turns, the field produced is usually proportional to the number of turns.

The capacitor in the circuit produces an opposing magnetic field, thus reducing the overall field in the circuit. As a result, when a current passes through the inductor, the inductor will store energy in the form of magnetic fields and create an ampere-turns, or field intensity, effect. This effect is used to create frequency-selective circuits that are capable of producing high-quality sound.

Conclusion

In conclusion, the SC43B-390 is a type of fixed inductor manufactured by Seiko Corporation. It is primarily used as part of the intermediate frequency circuit of AM and FM radio receivers and is also suitable for use in digital broadcast receivers and radio telephone communication devices. In terms of operating principle, it works by producing and storing energy in the form of magnetic fields, which can then be used to create frequency-selective circuits for producing high-quality sound.

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