ELL-ATV270M Inductors, Coils, Chokes

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Fixed inductors refer to inductor components with static inductance and cannot be adjusted. They are mainly composed of iron core and windings. The iron core is made of ferromagnetic materials such as iron, silicon steel sheets and iron powder. The winding is composed of enameled wire or coaxial cable. Generally, the fixed inductor is used in high-frequency switching power supply, periodic oscillations, filters and other frequency circuits when the frequency is high.

As a commonly used fixed inductor, ELL-ATV270M has some specific applications and working principles.

Application Field

ELL-ATV270M is mainly used in the device\'s own power supply circuit, which is used to filter the current for the device\'s internal circuits. In addition, it is mainly used in the input/output circuit of the power supply itself. For example, some high-frequency switching power supplies require an inductor in the input side to configure a high-frequency input filter, and the output side also needs an inductor in the output filter circuit.

Working Principle

At the fundamental level, the basic principle of a fixed inductor is based on the principle of electromagnetic induction. When an alternating current flows through the inductor coil, an electromagnetic field is generated around the coil, forming a self-induced electromotive force. The induced electromotive force is equal and opposite to the electromotive force causing the current, thereby preventing the current from growing indefinitely. However, the self-induced electromotive force of the inductor will increase with the increase of current, causing the voltage drop across the inductor to rise. This increase in voltage drop causes the inductor to oppose and limit the flow of alternating current, thus stabilizing the current and maintaining a constant current when the power supply is connected.

In addition, when a direct current flows through the inductor coil, the current is limited and a certain amount of power is dissipated.

Conclusion

Fixed inductors, represented by ELL-ATV270M, are mainly used in the filter of the power supply circuit of the device itself. The basic working principle of the inductor is based on the principle of electromagnetic induction, and the self-induced electromotive force prevents the current from growing indefinitely. In addition, when a direct current is applied, the current is limited and a certain amount of power is dissipated. This is the working principle and application field of ELL-ATV270M.

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