DFEH7030D-2R2M=P3 Inductors, Coils, Chokes

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Fixed inductancy is a type of component used to store energy in the form of magnetic fields. The DFEH7030D-2R2M=P3 is a prime example of a fixed inductor that can be found in many electronics applications. This article will discuss the application fields in which the DFEH7030D-2R2M=P3 is used, and the working principles behind this device.

The DFEH7030D-2R2M=P3 is a low profile, surface-mount, ceramic coated, surface-mount inductor. It is commonly used for dc-dc switching power supplies and other high-frequency filtering applications, due to its high rated current and wide temperature range. It can handle up to 3 A of current at a typical operating temperature of -40 to +85 C. It has an inductance of 2.2 mH and a AC resistance of 0.12 Ohm over a wide frequency range of 10 kHz to 500 MHz. This makes it suitable for high-frequency applications such as high power rectifiers and switching regulators. Other common applications include in-circuit telecom filters, dc blocking, and motor drive circuits.

The working principle of a fixed inductor is simple yet effective, and it can be easily explained with the help of an example. A simple inductor consists of a coil of wire wrapped around a core material, such as iron. When the core material is subjected to an alternating current (AC) source, it sets up a magnetic field inside the coil. This magnetic field creates a current in the coil, which in turn stores energy. The stored energy is displayed as inductance, which is measured in Henries. For DC circuits, the inductance can be calculated by multiplying the current through the coil by the number of turns.

Fixed inductors are used mainly for AC coupling, voltage filtering, and energy storage. The DFEH7030D-2R2M=P3 is an excellent choice for AC coupling, as its low AC resistance makes it ideal for switching power supplies and high-frequency filtering applications. It is also used for voltage filtering, as the inductor can reduce EMI/RFI noise from power sources, and for energy storage, as the inductor can store energy at a given frequency. The DFEH7030D-2R2M=P3’s high rated current and low AC resistance make it well-suited to these uses.

In conclusion, the DFEH7030D-2R2M=P3 is a fixed inductor that is used in many electronic applications due to its low AC resistance and high rated current. It is mainly used for AC coupling, noise reduction, and energy storage. Its conductivity and wide range of temperatures make it an ideal choice for switching power supplies and high-frequency filtering applications. With its low profile and surface-mount design, the DFEH7030D-2R2M=P3 is a reliable and cost-effective fixed inductor that is highly suitable for modern electronics projects.

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