HK04021N5S-T

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Fixed inductors are a kind of electronic component mainly made up of inductance coil and a certain support structure, having a wide range of applications in electronic and electrical products. Among them, HK04021N5S-T is a fixed inductor with a variety of application fields and working principles.

HK04021N5S-T is a surface mount inductor with a high working frequency. Its specific characteristics are mainly reflected in its strong overload capacity, small physical size and abundant space for component placement and wiring. It is divided into 4 rated inductances of 1.2uH, 1.8uH, 3.3uH and 4.7uH, with a DC resistance of 0.8Ω, 1Ω, 2.6Ω and 3.9Ω respectively. The most important feature of this product is its current capability, with a rated current range of 0.54A to 1A.

In terms of usage, HK04021N5S-T is generally used in the design of electronic devices. It can be applied for smoothing the voltage in order to reduce the ripple voltage, suppress the electromagnetic interference and provide a certain amount of - and It is suitable for product applications such as high-frequency switching power supplies, car audio systems, computers, chargers and mobile phones, etc. In addition, it can also be used as filters, band-pass filters and resonators in radio-frequency and microwave circuits.

In terms of working principle, HK04021N5S-T is mainly based on a general AC circuit or electronic device to supply energy to an inductor, and when the current changes through it, an induced electromotive force magically appears in the opposite direction to the current change. According to Lenz\'s Law, a current arising in a conductor due to a changing magnetic field, or a voltage arising between the ends of a conductor due to a changing magnetic flux, dissolves the energy of the current. This inductor then acts as a countermeasure against excessive voltage, reducing the oscillation of voltage peaks in the current.

In conclusion, HK04021N5S-T is belong to the fixed inductors. It can be used to smooth the voltage in order to reduce the ripple voltage, suppress the electromagnetic interference and provide a certain amount of the inductance to certain devices. And it has a wide range of applications in electronic and electrical products.

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