RCH664NP-820K

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Fixed Inductors

Fixed inductors are small components used in various electrical and electronic circuits. They come in a variety of forms, such as solenoids, toroids, and E-core. Though small in size, they can have a big impact on the behavior of a circuit.

The RCH664NP-820K fixed inductor is a radial-leaded, surface-mount component. It is designed for easy installation, and can be used in a variety of applications, such as power supplies, radio transmitters, and even digital audio amplifiers. It is constructed from a ferrite core and has two connections, one to the core and the other to the winding.

Application Field

The RCH664NP-820K is designed for a wide range of audio applications. It is particularly suitable for use as an output filter for digital audio amplifiers, as the inductor acts as a low-pass filter to reduce noise and distortion. It is also useful for power supply applications, where it can be used to suppress power line noise. Its small size makes it ideal for use in portable audio equipment as well.

Working Principle

A fixed inductor functions by storing energy in its magnetic field. This energy is converted to electrical energy when an alternating current is applied to the inductor’s winding. The amount of energy stored is proportional to the inductor’s inductance (L). In other words, the higher the inductance, the more energy the inductor can store.

The core of an RCH664NP-820K inductor is constructed from ferrite. This material is highly permeable, meaning it has a high ability to store magnetic fields. As a result, the inductor’s inductance is higher than that of an inductor with an iron core. This makes the RCH664NP-820K particularly suitable for use in digital audio amplifier applications.

When current flows through the inductor, it produces a magnetic flux, which is proportional to the current. The flux induces an electromotive force on the winding of the inductor. This force opposes the change in current, thus causing the inductor to act as a low-pass filter. This means it will block higher frequencies, while allowing lower frequencies to pass.

In summary, the RCH664NP-820K is a fixed inductor designed for use in audio applications. It is constructed from a ferrite core, and works by storing energy in its magnetic field. This energy is then converted to electrical energy, creating a low-pass filter effect, which can be used to reduce noise and distortion.

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