CDC4D20NP-391KC

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Fixed inductors are electrical components that convert electrical energy into magnetic energy and back, and can be thought of as one-way transformers. A fixed inductor, such as the CDC4D20NP-391KC, is an inductor that has a specific inductance and is not adjustable. It consists of a core material, wrapped in one or more turns of insulated wire. The inductance of the inductor is determined by the core material, number of turns, the shape of the wire, and the size of the winding.

The primary application field of the CDC4D20NP-391KC is the power supply industry. Many modern power supplies have high-efficiency designs, and to achieve this efficiency, they require high-quality inductors. Fixed inductors, such as the CDC4D20NP-391KC, are designed to offer uniform behavior over a wide range of frequencies, combined with low noise and low DC resistance. The combination of these features makes the CDC4D20NP-391KC suitable for use in DC-DC converters, switching power supplies, line filtering, signal integrity, and EMI suppression.

The working principle of a fixed inductor is quite simple. When an electric current passes through the winding, a magnetic field is created in the core, storing energy proportional to the current in the form of an electromagnetic field. When the current is turned off, this stored energy is dissipated as an electrical current in the opposite direction. This is the same principle as an inductor in an AC circuit, where the inductor acts to oppose any changes in current flow.

The CDC4D20NP-391KC is a high-quality fixed inductor designed for high-efficiency power supply applications. It features an increased flux density due to its improved toroid core material, which in turn helps reduce the size of the inductor. The high-frequency characteristics of the CDC4D20NP-391KC make it suitable for switching power supplies and DC-DC converters, while its low noise performance ensures clean signal integrity. It is also RoHS compliant, making it an environmentally-friendly choice.

In conclusion, the CDC4D20NP-391KC is an excellent fixed inductor for power supply applications, featuring high efficiency and high frequency operation, improved flux density, and low noise performance. It is designed for applications such as DC-DC converters, line filtering, switching power supplies and signal integrity. It is RoHS compliant and offers a compact size for easy installation.

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