HKQ04022N3B-E

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Fixed inductors are electrical components, also known as fixed coils or chokes, that provide inductive reactance to electronic circuits. One example of a fixed inductor is the HKQ04022N3B-E. This particular component is a wire-wound type of inductor. It features a maximum rated inductance of 24mH at a current of 100mA and can dissipate up to 1.5W at 25⁰C. The maximum working temperature of this component is 155⁰C and its rated working frequency range is between DC and 10MHz.

When it comes to its application fields, the HKQ04022N3B-E is mainly used in audio effects, switching power supply systems, switching regulators, noise suppression, etc. It can also be used to filter out alternating current interference in audio signals and other application circuits.

In terms of the working principle of this inductor, it is actually quite straightforward. This component consists of two coils of wire, which are wound around a ferromagnetic core. When an alternating current is passed through the circuit, a magnetic field is generated in the coils, proportional to the current. This magnetic field induces a voltage in the opposite direction, creating a back-emf. This voltage across the inductor increases with time, providing a voltage offset from the primary current.

As a result, the current through the inductor will be limited, while the potential across it will be proportional to the voltage and frequency of the input. This effect is what provides the inductive reactance that is needed for audio effects, noise suppression, and other similar applications.

In conclusion, the HKQ04022N3B-E fixed inductor is a versatile component that can be used in a variety of applications. It is easy to understand the working principle of this inductor, making it a popular choice for audio effects and noise suppression circuits. Furthermore, this component has a maximum rated inductance of 24mH at a current of 100mA and can withstand temperatures up to 155⁰C.

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