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Fixed Inductors

Fixed inductors, also known as inductors, are passive electronic components that store energy in the form of a magnetic field in the device itself or in an external magnetic material. Inductors are mainly used to provide AC current in circuits. One commonly used fixed inductor in the electronic industry is the 4922R-12L, which is designed for a wide variety of applications and has an operating principle.

4922R-12L Applications

The 4922R-12L is a two-terminal inductor most commonly used in power-supply circuits. The inductor is ideal for use in low frequency switching power supplies, power line and filter circuits, which require high current suppression and low voltage drop. In addition, this type of inductor is also suitable for applications involving reverse EMF and electromagnetic motor noise suppression. Furthermore, it can be used as a power line safety filter in circuits that control high-power switching devices.

4922R-12L Working Principle

The 4922R-12L inductor utilizes an electromagnetic field in order to provide a high current suppression and low voltage drop when AC current passes through the component. The inductor consists of two conductors, which are usually in the form of a single metal wire or a coil of several wires. When electricity passes through the two conductors, it creates a magnetic field which is able to store energy. This stored energy provides a low voltage drop across the inductor and is able to suppress the AC current passing through the device.

When the current is switched off, an electromagnetic reaction, known as the "back electromotive force," will occur, causing the inductor to suddenly increase its voltage. As a result, the induced voltage helps to protect the other components of the circuit.

Conclusion

In conclusion, the 4922R-12L is a commonly used fixed inductor in the electronic industry. It can be used in a variety of applications and has a working principle that utilizes an electromagnetic field in order to provide a high current suppression and low voltage drop when AC current passes through the component. Therefore, this type of inductor is ideal for use in low frequency switching power supplies, power line and filter circuits, as well as for applications involving reverse EMF and electromagnetic motor noise suppression.

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