84474C Inductors, Coils, Chokes

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Fixed inductors are electronic components that act as energy storage devices by providing a steady current and offering magnetic fields. This article outlines the 84474C application field and working principle.

The 84474C is a wide-bandwidth RF fixed inductor that is economical, high-performance, and reliable. This is a single-ended RF design with a low profile, small body size, and high power rating. The 84474C is ideal for a variety of industrial and commercial applications such as radio communication, cellular and wireless base stations, cellular and wireless accessories, and various RF systems.

The 84474C is rated from 10KHz to 3GHz, with a input impedance of 50 ohms and a high impedance of 470 ohms. The inductance value is between 0.1uH to 0.3uH. The device has a Q-factor of 40-60, a maximum current (I) of 120mA DC, and a maximum DC resistance (R)140 millohms. It is suitable for all surface mount technologies and is designed for use in wide temperature range from -55°C to +125°C.

The working principle of the 84474C can be explained by considering the coil as a simple inductor. An inductor is a device that stores energy in a magnetic field created by the coil. When there is an alternating current in the coil, it will create an alternating magnetic field which will produce an opposing voltage in the coil, resulting in an impedance. The impedance of the inductor depends on the inductance value, frequency, and Quality factor (Q).

The 84474C also works similar to a transformer, as it is able to step up or step down the voltage or current levels between the primary and secondary coils. When the primary coil is energized, the alternating magnetic field will induce a voltage on the secondary coil. The ratio between the primary and secondary coil Voltage or current is determined by the ratio of turns between the two coils.

The 84474C is a fixed inductor and is designed to provide a constant current or voltage regardless of the frequency. This makes it ideal for a variety of applications such as RF filters, amplifiers, oscillators, and as part of circuit designs for LED lighting, motors, and many other applications.

In summary, the 84474C is a fixed inductor that is suitable for a variety of industrial and commercial applications. It offers a wide range of operation from 10KHz to 3GHz and is able to step up or step down the voltage or current level between its primary and secondary coils. This makes it ideal for use in a variety of RF systems, LED lighting, motors, and other applications.

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