CDC4D20NP-821KC

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Fixed inductors, otherwise known as inductors, are integral components in electrical circuits. Inductors are typically energized by an alternating current or an external magnetic field. They often appear in the form of an inductor coil, which is basically a spiral-shaped wire of copper, steel or aluminum. The main feature of the inductor is that it stores energy in the form of a magnetic field. The energy is released when the current is stopped and the magnetic field collapses.

The CDC4D20NP-821KC Inductor is an extremely small, low profile, fixed inductor with an internal magnetic shield. It is designed to be used in printed circuit board assemblies and has a 6.0mm x 5.5mm body size. It is constructed by a precision winding of high quality round magnet wire on a Heavy-Nickel core and is coated with blue acrylic resin. The inductor features an encapsulated body and a stability under dynamic loads. This makes it ideal for use in suppression applications such as LCD backlighting, medical electromagnetic compatibility, and switching power supplies.

The working principle of a fixed inductor such as the CDC4D20NP-821KC is the electro-magnetic induction. As current flows through the inductor, it creates a magnetic field around the coil, which induces a voltage in the coil. This voltage generated is proportional to the rate of change of the current flow. Hence, an induction coil has inductance, i.e., it resists the changes in current. The total inductance of the inductor is determined by the size of the coil and the number of turns, as well as the core material.

The CDC4D20NP-821KC is primarily utilized in power management and voltage regulation applications. Its miniature body size along with its shielded design makes this inductor suitable for dense and high-noise environments. It is particularly effective for high-efficiency battery powered applications due to its high current capacity and low resistance. Additionally, it is perfect for EMI filtering applications due to its excellent high-frequency, dynamic response performance. This inductor is mainly used for converter and power supplies, telephone line-card filtering, and computer peripheral applications.

In conclusion, the CDC4D20NP-821KC Inductor is an extremely high-performance package of a low profile fixed inductor. Its high current and low resistance, shielded design, and dynamic stability make it ideal for use in applications such as LCD backlighting, electromagnetic compatibility, power supplies, and EMI filtering.

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