L04022R2AHN

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Fixed inductors are components that act as a coil, inductor or choke, producing a magnetic field and code, and inductors are components that store electric energy like capacitors. Fixed inductors can be used in a wide range of applications, from filtering to signal conditioning. The L04022R2AHN is a fixed inductor from Murata Electronics with features including small size, compact design and good temperature stability. This document explains the application field and working principle of the L04022R2AHN.

In terms of application fields, the L04022R2AHN is mostly used in filtering and buffer applications. In the frequency band from 8kHz to 2MHz, the device has an impedance of 380Ω and an inductance of 0.22μH. The device features low power consumption and can be used to filter both low and high frequencies. Additionally, the device is suitable for both switching power supply and other DC/DC converter applications.

The device’s inductance is a fixed value and so it is designed to produce a constant inductance that does not vary with time or current. This means the inductor can form a low-pass filter, where the device will block high-frequency signals while allowing low- frequency signals to pass through, resulting in improved signal quality and filtering. Additionally, the inductor is designed to suppress Common Mode Noise (CMT) for more reliable and accurate operation.

The operating principle of the L04022R2AHN is based on Faraday\'s law. The device uses an iron core to form a loop in which current flows. When a voltage is applied to the loop, a magnetic field is produced, which will induce an electric field in the core. This electric field, if it is strong enough, will cause an electric current to be induced in the loop, producing an induced electromotive force that will oppose the applied voltage.

The strength of the electric field will depend on the amount of current in the loop, the length of the loop, and the area of the loop. In the case of the L04022R2AHN, the device’s small size and compact design ensure that the electric field is easily produced, resulting in a high inductance. Additionally, the device is designed to have good temperature stability, allowing it to maintain consistent performance under varying temperatures.

In conclusion, the L04022R2AHN is a fixed inductor from Murata Electronics with features including small size, compact design and good temperature stability. The device is mainly used in filtering and buffer applications, with a frequency range from 8kHz to 2MHz and an impedance of 380Ω. The operating principle of the device is based on Faraday’s law, and its small size and compact design ensure that it can produce a high inductance, resulting in improved signal quality while suppressing CMT.

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