4470R-28H

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Fixed inductors are one of the most common electronic components in the field of electronics. The 4470R-28H is a commonly used fixed inductor that plays a very important role in the electrical and electronic engineering field.

The 4470R-28H is an inductor that is typically used in power supply circuits, and these inductors offer a wide range of applications. This kind of inductor can be used to reduce the ripple in the input current of the power supply circuit, or to act as a choke for high frequency noises. This type of fixed inductor is also widely used in communications, such as for matching transformers, and filtering circuits.

The 4470R-28H consists of two portions: the core and the winding. The core of the 4470R-28H is made up of a ferrite material, which is a kind of magnetic material suitable for generating a magnetic field in high frequency applications. The winding of the 4470R-28H is usually made of a copper or aluminium wire with an insulated nylon shield. The combination of the two parts produces a high inductance.

The 4470R-28H inductor has a wide range of application fields and working principles. It is commonly used in dc-dc and ac-dc converters, EMI/RFI filters, radio frequency circuits, switching power supplies, frequency synthesizers, and motor drives. In its most common application, the 4470R-28H serves as a filter circuit to reduce the ripple and noise in the power supply. It works by storing and releasing energy according to the changing voltage.

Another important application field for the 4470R-28H is for matching transformers. These transformers use the inductor to transform the impedance of an ac source like a sine wave, in order to match the load impedance. This is crucial in communications, to ensure proper transfer of signals through the circuit.

In motor drives, the 4470R-28H inductor is used to reduce the conducted emissions of switching power supplies. It works by forming a high frequency voltage output and helps eliminate the transmitted noise interference.

Overall, the 4470R-28H fixed inductor is a very useful and versatile component in the electrical and electronic engineering field. It can be used in a wide range of applications, and its working principle is based on the magnetic field produced by the combination of its core and winding.

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