ELC-15E682L

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Fixed Inductors

Fixed inductors, also known as chokes, coils or reactors, are inductors with a fixed inductance that is made from a coil of wire with many turns. The major application fields of fixed inductors are power converters, motor control, voltage regulator modules, and switching power supplies. Fixed inductors can suppress the high-order harmonic and were mainly used in an AC/DC converter. It is especially suitable for places that require high inductance and low DC resistance.

ELC-15E682L Application Field

ELC-15E682L is a type of fixed inductors with a rated inductance of 680 mH. This type of fixed inductors is well known for its low DC resistance, high rated current of 2.2 A, and wide frequency range up to 1MHz. The application field of ELC-15E682L is mainly in DC-DC converters, power supplies, SMPS, high frequency applications, and general switching mode power supplies (SMPS).

ELC-15E682L Working Principle

The working principle behind a fixed inductor, especially for the ELC-15E682L, is based on electromagnetic induction. When a DC voltage is applied across the terminals of the device, the electron flow in the wire will create a magnetic field around the coil. This magnetic field increases when more current flows, which in turn induces an opposing magnetic field. This opposing field is known as the back EMF, and response to the changing current, providing the inductance to the inductor. This field causes a resistance to the current, which limits the current flow in the inductor.

Conclusion

Fixed inductors, such as the ELC-15E682L, are widely used in power converters, motor control, voltage regulator modules, and switching power supplies. They are mainly used to suppress high order harmonics, and they have a low DC resistance and high rated current. The working principle behind a fixed inductor is based on the induction of a magnetic field from an applied voltage, which induces an opposing magnetic field to create a resistance, and creates the inductance.

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