HKQ04021N3S-E

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Fixed inductors are passive electronic components used to store energy by creating a magnetic field. They are found in a variety of different applications, from electrical motors and power supplies to radio frequency (RF) antennas and audio signal processing. One particular type of fixed inductor is the HKQ04021N3S-E, which is distinguished from other types by its low profile and ferrite material construction. This article will discuss the application fields and working principle of this inductor.

The HKQ04021N3S-E inductor is designed for applications that require a low profile component for close circuit board mounting, such as laptop computers and portable mobile devices. Its small size and low profile make it attractive for this type of application, as it can be integrated into the device’s circuit board without taking up too much space. Additionally, the ferrite material construction of this inductor makes it resistant to environmental stress factors, such as temperature fluctuation, and gives it a longer lifespan than other types of inductors.

In terms of application fields, the HKQ04021N3S-E is primarily used as a decoupling inductor in power supply circuits. This means that it helps to reduce the effect of high frequency pulses that can interfere with the power supply, which can prevent the device from working properly. It is also commonly used in power supply circuits for bypassing or filtering purposes, where it can help to remove unwanted frequencies from the power supply and make it more efficient. Finally, it is sometimes used in radio-frequency circuits, where its small size and ferrite construction allow it to handle high frequency signals without introducing too much noise or distortion.

The working principle of the HKQ04021N3S-E inductor is relatively simple. It consists of a wire coil wound around a ferrite core, allowing the flow of an electrical current around it. When the current is applied to the inductor, a magnetic field is created which stores energy. This energy is then released gradually as the current decreases, which helps to reduce any detrimental high frequency pulses and/or noise in the power supply circuit.

In conclusion, the HKQ04021N3S-E is a low profile inductor made from ferrite material, making it ideal for applications in laptop computers and mobile devices. It is primarily used as a decoupling inductor in power supply circuits, for bypassing and filtering applications, and for radio-frequency circuits. Its working principle is based on creating a magnetic field by winding a wire coil around a ferrite core and applying an electrical current, allowing the inductor to store energy and gradually reduce high frequency pulses in power supply circuits.

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