CIL21NR12KNE

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Fixed inductors are an important part of electrical and electronic components. They are widely used in a variety of electronic circuits, mainly for filtering, tuning, decoupling, energy storage and other purposes. The CIL21NR12KNE is a type of fixed inductor, which has a wide range of applications and is suitable for many scenarios. In this article, we will first discuss the application field and working principle of the CIL21NR12KNE.

Application Field

CIL21NR12KNE fixed inductors are mainly used for filtering, tuning, decoupling, energy storage and other applications. They are suitable for the input and output of digital circuits and control circuits, switching power supply circuits, remote control circuits and other printed circuit boards. In addition, they can be used in large power supply systems such as AC/DC converters and can perform functions such as stabilizing motors, power distribution, and electric lock control.

The CIL21NR12KNE is especially suitable for switching power supplies, mainly because it can effectively reduce the noise of the output voltage and prevent the input voltage from being affected by the noise of the switching power supply. The efficiency of the switching power supply can be greatly improved by using this inductor.

Working Principle

The CIL21NR12KNE is a high-frequency common-mode and differential-mode fixed inductor, and its working principle mainly depends on the principle of electromagnetic induction. This fixed inductor consists of several coils and a ferrite core. When AC electricity flows through the coils, an electromagnetic field is generated. This field is what produces the inductance of the inductor.

The CIL21NR12KNE also has built-in EMI/RFI protection that blocks high-frequency interference from the outside and can filter out the turbulence from the switching power supply. At the same time, the capacitor connected in parallel with the inductor can further reduce the interference. In addition, its built-in overcurrent protection allows it to provide additional protection and reduce the risk of overcurrent failure.

In summary, the CIL21NR12KNE fixed inductor has a wide range of applications, such as filtering, tuning, decoupling, energy storage and switching power supplies. Its working principle mainly relies on the principle of electromagnetic induction, and it also has built-in EMI/RFI protection and overcurrent protection, which can increase its safety and stability.

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