HKQ04022N0C-E

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Fixed Inductors

A fixed inductor, otherwise known as a coil or choke, is an electrical component that is used to create inductance in a circuit. It is composed of a coil of wire which stores electrical energy and produces a magnetic field when current is passed through it. An example of a fixed inductor is the HKQ04022N0C-E.

Application Field

The HKQ04022N0C-E can be used to help filter noise in power lines, reduce RF interference between different circuit boards, serve as a voltage divider, and limit current in a circuit when an overcurrent condition occurs. It is also well-suited for applications where voltage regulation, power factor correction, and isolated power systems are required. This inductor is often found in home appliances, industrial motor drives, power inverters, and various consumer electronics devices.

Working Principle

An inductor acts like a short-circuit when DC current flows through it, but behaves like an open-circuit when AC current passes through it. When an AC current passes through the coil, a magnetic field is created which opposes the AC current flow and dissipates power. This process is referred to as “reactance,” which is the opposition to the change of a current or voltage in an entity produced by some physical property of the entity itself. In other words, the magnetism produced by the coil counteracts the current, which leads to the coil’s primary purpose of oppose changes in current. The HKQ04022N0C-E utilizes this principle to achieve noise reduction, current regulation, and voltage regulation.

Conclusion

The HKQ04022N0C-E is a fixed inductor which is able to regulate voltage and current, reduce noise, and provide power factor correction through reactive inductance. It is a versatile component which is used in a variety of applications including home appliances, industrial motor drives, power inverters, and consumer electronics. Through the understanding of its application field and working principle, we can better utilize this component for whatever purpose it is meant to serve.

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