4494R-476

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Fixed inductors are electronic components consisting of a coil of insulated wire wound around a core. They are used to store energy in the form of an electromagnetic field and then release it on demand. The 4494R-476 is a fixed inductor that meets the requirements of many industrial, consumer, and automotive applications.

Applications

The 4494R-476 is a surface-mount device (SMD) inductor ideal for use in various applications due to its small size and low cost. It is often used in switching power supplies, battery-operated equipment, telephone line interfaces, and portable devices where switching power converters are needed. It is also suitable for use in automotive ECUs and other electronics. The inductor provides a stable low-loss solution for in-circuit power conditioning.

Design

The 4494R-476 is a 2.2uH high-saturation ferrite core inductor. The device is designed to handle up to 2A of current with low ohmic resistance for efficient power delivery. The inductor is insulated with an epoxy-filled encapsulation and features a dual ceramic structure with an AEC-Q200 qualified ferrite core. This combination provides superior magnetic shielding to prevent internal noise and interference.

Working Principle

Fixed inductors work by storing energy in the form of an electric or magnetic field. When current is applied to the coil of wire, an electric field, or electromagnet, is created and energy is stored in the form of this field. This energy can then be released when the current is removed from the coil. The 4494R-476 relies on this principle in order to deliver efficient power to a wide variety of applications. The inductor is designed with optimised windings, allowing it to generate and store a greater amount of energy than other types of inductors, providing a stable, low-loss power solution for the devices it is used in.

Conclusion

The 4494R-476 fixed inductor is a high-saturation ferrite core inductor designed for a wide range of applications. It is a surface-mount device optimised for efficient power delivery with a robust level of magnetic shielding. It works by storing energy in the form of an electric or magnetic field, which is then released on demand. This allows the 4494R-476 to provide a stable, low-loss power solution for the devices it is used in.

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