HKQ04022N9B-T Inductors, Coils, Chokes

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Fixed inductors are components with a coil of wire and core designed into a construction in which a known inductance is generated. These elements can be used to filter out high frequencies, influence the timing of a particular signal source or store energy in a circuit, depending on the particular requirements of the application.

The HKQ04022N9B-T fixed inductor is a type of wire-wound power inductor with low DC resistance that is suitable for applications ranging from electric wave filters and rectangular wave filters in mobile phones and 3G communication devices to power converters, DC-DC converters and chargers. This product provides a wide operating temperature range from -40°C to +125°C, making it suitable for a variety of industrial temperature applications. In addition, its small size and light weight enable flexibility in design.

The primary application field for the HKQ04022N9B-T is as an inductor in DC-DC converters. An interconnect of a spiral inductor with a diode bridge and other passive components forms the basis of the DC-DC converter. By controlling the charge current with an inductor in the bridge circuit, the voltage can be reversed in order to convert the DC voltage from one level to another.

The working principle of the HKQ04022N9B-T fixed inductor is based on Faraday’s law of electromagnetic induction. As current flows through a coil of wire, a magnetic field is created. This magnetic field in turn is able to produce an electromotive force in a coil. The strength of the induced voltage is dependent on the rate of change of magnetic flux. The value of the induced voltage can be calculated through the following equation:

V = N * ∆Φ / ∆t
where:V is the induced voltageN is the number of turns in the coil∆Φ is the rate of change of magnetic flux∆t is the time over which the magnetic flux changesThe HKQ04022N9B-T fixed inductor is ideal for applications that require high saturation current and high surge current capability due to its stable inductance, even at high frequencies. It also has a very low DC resistance allowing for high efficiency applications. Its robust construction ensures reliability and ensures a long service life even at the most extreme temperatures.

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