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Fixed Inductors

Inductors are among the most commonly used components in electronic circuits. They are electrical components whose function is to store energy in magnetic fields. The PA3790.221HL is a type of fixed inductor, which is a type of inductor with a fixed output impedance and inductance rating. This article describes the application field and working principle of the PA3790.221HL.

Application Field

The PA3790.221HL can be used in a variety of electrical applications. It can be used in LC circuits, RF circuits, audio and video circuits, and power supply circuits. The most common applications are in switch mode power supplies and wireless communication systems. It can also be used in other applications including filtering, signal conditioning, and impedance matching.

Working Principle

The PA3790.221HL is a type of fixed inductor, which is an electrical component that stores energy in a magnetic field. It works by creating a magnetic field when alternating current is passed through it. The magnetic field induces a voltage in the inductor which, in turn, creates an electric current. This electric current then produces a magnetic field in the inductor, which in turn induces a voltage in the inductor, and so on in an endless cycle. The resulting magnetic field is proportional to the applied current, and the induced voltage is proportional to the rate of change of the current.

The PA3790.221HL has a fixed output impedance, which means that the inductor will always produce the same amount of voltage no matter the current flowing through it. This makes it a good choice for use in DC-DC converters and other power supply circuits, where a steady output voltage is necessary. The inductance rating of the PA3790.221HL is also fixed, meaning that it will always produce the same amount of inductance regardless of the current flowing through it.

The PA3790.221HL is a reliable and stable inductor that is suitable for use in a variety of electrical applications. Its fixed output impedance and inductance rating make it a good choice for applications where a steady output voltage is required. It is also an economical component, and is a popular choice for a variety of circuit designs.

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