MHQ0402PSA3N1ST000

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Fixed Inductors - MHQ0402PSA3N1ST000 Application Field and Working Principle

Fixed inductors, or simply inductors, are components that store electrical energy in a magnetic field. Initially developed in the early 1800s, inductors have been used in a variety of electrical and electronic applications ever since. This article will provide a better understanding of fixed inductors by focusing on the application field, construction, and working principle of the MHQ0402PSA3N1ST000.

Application Field

The MHQ0402PSA3N1ST000 is a very common type of fixed inductor. This component is most frequently used as an antenna for wireless communications, radio frequency (RF) applications, and power line filters. The MHQ0402PSA3N1ST000 is also often used for radio frequency interference (RFI) suppression, EMI suppression, and dampening circuit noise. In audio applications, these fixed inductors are used to create passive equalization networks, low-pass and high-pass filters, and band-pass filters.

Construction and Dimensions

The MHQ0402PSA3N1ST000 is constructed in the form of a shielded wire-wound surface-mount inductor. This component measures 0.47 x 0.47 x 0.2 inches (L x W x H) and weighs around 0.1 ounce. The MHQ0402PSA3N1ST000 is typically made of a powdered iron or ferrite core, wrapped with coil wire.

Working Principle

The MHQ0402PSA3N1ST000 is a type of device that stores energy in a magnetic field created by an electric current. When a voltage is applied across them, inductors offer resistance to the flow of electricity, also known as inductive reactance. This inductive reactance is determined by the quality factor (Q), frequency, and inductance of the device. The inductance of an MHQ0402PSA3N1ST000 is typically between 10 and 100uH.

The MHQ0402PSA3N1ST000 is also used as a choke. As current flows through an inductor, the magnetic field produced around the component creates an opposing force, or inductance, that impedes the flow of current. This phenomenon is known as impedance, or the component\'s opposition to varying current in AC circuits.

The MHQ0402PSA3N1ST000 is also used as an EMI filter, or low-pass filter, to reduce the amount of high-frequency interference that can damage sensitive electronics. This component has built-in capacitors that pass the low-frequency signals while blocking out the unwanted higher frequencies, helping to significantly reduce EMI.

Conclusion

The MHQ0402PSA3N1ST000 is a common fixed inductor used in a wide variety of applications. Its primary function is to store electrical energy in a magnetic field, while also providing inductive reactance to AC signals, acting as a choke, and serving as an EMI filter. The MHQ0402PSA3N1ST000 is a very useful and versatile component that can be used in a variety of applications.

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