LQP02HQ10NJ02E

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Fixed Inductors

The LQP02HQ10NJ02E inductor belongs to the family of fixed inductors, the most commonly used passive components for electronic circuits. It consists of wound coils of copper wires and usually includes a ferromagnetic core that provides a higher inductance value.

Application field

Fixed inductors are widely used in various circuit applications. Due to their inductive properties, they are used in near-field communications, radio-frequency circuit applications, filter circuits, transformer circuits, and voltage regulators. Moreover, they are also used in antennae, microwave circuits, high-frequency electronics, and many other applications. Some of the common applications of fixed inductors include radio-frequency interference (RFI) suppression, high-frequency filtering, voltage stabilization, and impedance matching.

Working Principle

The primary purpose of a fixed inductor is to create a magnetic field in a circuit. It is also used to store energy from an oscillating current and to provide circuits with a delay in the form of a phase shift. The working principle of a fixed inductor relies on the principle of electromagnetic induction. When electric current passes through the inductor coil, it creates a magnetic field. This magnetic field induces a voltage in the coil, which is proportional to the rate at which the current changes. In other words, if the current in the coil changes rapidly, the induced voltage will also be larger. Thus, the higher the frequency, the higher the induced voltage.

The coil also has a certain inductance value, which refers to its ability to generate an induced voltage depending on the rate of current change. The inductance of the coil can be altered by adjusting the number of windings in the coil or by changing the size of the magnetic core. In addition, inductors are also designed to be tuned to a specific frequency, allowing them to act as a filter or a resonator.

Additionally, in a DC circuit, a fixed inductor acts as a short circuit, allowing current to pass through without affecting the voltage across the inductor. In an AC circuit, however, the current will be partially dissipated in the inductor, resulting in a decrease in the current and an increase in the voltage. This is known as the skin effect and is one of the primary reasons why inductors are used in interference suppression, filtering, and impedance matching.

Conclusion

In conclusion, the LQP02HQ10NJ02E inductor is classified as a fixed inductor due to its ability to generate a magnetic field and to store energy from an oscillating current. It is widely used in various circuit applications, such as near-field communications, radio-frequency circuit applications, filter circuits, transformer circuits, and voltage regulators. The working principle of a fixed inductor relies on electromagnetic induction, wherein the higher the frequency, the higher the induced voltage. Fixed inductors are also designed to be tuned to a specific frequency, allowing them to act as a filter or a resonator.

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