2212-V

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An inductor, sometimes referred to as an inductance or a coil, is an electronic component that stores energy in the form of a magnetic field when an electric current passes through it. The 2212-V is a fixed type inductor, meaning the inductance value cannot be changed. The 2212-V is a shielded inductor featuring a low DC resistance value, a high inductance value, and a high working temperature.

2212-V Application Field

The 2212-V is used mainly in DC-DC converter, DC-AC inverter, and switching power supply circuits. It is designed to filter out noise in high frequency applications such as radio frequency interference (RFI), electromagnetic interference (EMI), suppression, and decoupling. It is also used to stabilize electric circuits, such as those in AC/DC converters.

Due to its low DC resistance and high inductance value, the 2212-V is particularly useful for circuits that require a large amount of current, such as those found in motor drives and precise audio devices.

2212-V Working Principle

The 2212-V is an inductor with a fixed inductance value, meaning it maintains its inductance and does not change as the current flowing through it changes. The 2212-V works based on the principle of the electromagnetic effect.

When an electric current passes through the 2212-V, it creates a magnetic field, which induces a magnetic flux in the inductor’s coil that is proportional to the electric current passing through it. This magnetic flux opposes the change in the current and produces an EMF. This EMF is equal in magnitude but opposite in direction to the electric current, known as inductive reactance.

This inductive reactance opposes any change in current. When a sinusoidal current is applied to an inductor, the inductance will create a lagging voltage, which is out of phase by 90 degrees. This phase difference between the voltage and the current is known as inductive phase shift.

The 2212-V is a shielded inductor, meaning that it features an additional layer of magnetic shielding material with low magnetic permeability sandwiched between two layers of ferrite. This helps maintain a low magnetic field within the inductor despite its high inductance value. This ensures that any external magnetic fields do not interfere with the operation of the inductor, which would cause noise and other issues.

The 2212-V is designed to handle a high temperature of up to 125 °C. This means that it is suitable for high-temperature applications in which higher temperatures are encountered.

Conclusion

The 2212-V is a shielded, fixed type inductor, featuring a low DC resistance value, a high inductance value, and a high working temperature. It is used mainly in DC-DC converter, DC-AC inverter, and switching power supply circuits where it can effectively filter out noise, EMI, and RFI. It also stabilizes electric circuits, such as those in AC/DC converters, and is suitable for high-temperature applications. The 2212-V is an ideal choice for circuits that require efficient noise filtering, high-temperature operation, and a significant amount of circuit current.

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