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Fixed Inductors: 622Y Application Field and Working Principle

Inductors serve as components in a wide variety of electrical systems ranging from consumer electronics to more advanced applications like motor control and switching power supplies. The 622Y fixed inductor is one of the most commonly used inductors because it is highly reliable and has a low DC resistance. This article will explain the 622Y application field, as well as describe its working principle and construction.

622Y Application Field

The 622Y fixed inductor is widely used in different types of applications, the most common being in telecom and audio/video applications. It is a particularly popular choice for use in multi-stage output filter circuits, motor control, and resonant circuits. In telecom applications, they are often used as common-mode chokes, while in motor control applications they are used as impedance matching inductors for high system efficiency. In audio/video applications, they are used as transformers in stereo and surround sound systems.

The 622Y fixed inductor is also commonly used in power supply filter networks, including power factor correction, transient voltage control, and phase-control rectification. They are also used in switching Power Supply (SPS) applications to reduce residual voltage and maximize total harmonic distortion. In short, 622Y fixed inductors are popularly used in a variety of different applications and are well-suited to common power supply and audio/video electronics.

Working Principle and Construction

Inductors work based on the principle of electromagnetism, whereby a coil of wire with a current passing through it induces a magnetic field. This magnetic field increases the electromagnetic energy stored in the inductor, allowing it to filter out or attenuate different frequencies depending on the inductance value.

The 622Y fixed inductors feature a flattened core and incredibly low DC resistance, making them highly reliable. The core is made of an iron powder mix, while the coil of insulated wire is wound around it. The wires are then impregnated with a resin to protect them and help prevent oxidation and other corrosion.

The 622Y fixed inductors are available with different inductance values ranging from 0.3mH to 47mH. They also feature a very low DC resistance of less than 0.25 ohms, helping to ensure reliable operation in many different types of applications.

Conclusion

The 622Y fixed inductor is an incredibly reliable component that is widely used in different types of applications ranging from motor control to audio/video. Its low DC resistance and flattened core make it particularly suitable for these purposes. It is also available with a range of inductance values, making it suitable for a variety of different applications. In short, the 622Y fixed inductor is an excellent choice for a wide variety of electronics applications.

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