9405R-48

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Fixed Inductors

An inductor is an electrical device that stores energy in the form of a magnetic field when electrical current flows through it. Fixed inductors, also known as fixed value inductors, are one type of inductor. An example of this type is the 9405R-48. In this article, we will discuss the application field and working principle of the 9405R-48.

Application Field

The 9405R-48 is designed for use in AC-DC converters and DC-DC converters as a filter component in high frequency switching power supply circuits. This type of inductor is ideal for applications where magnetic interference needs to be minimized and low-loss operation is desired. It can also be used in frequency-controlled equipment, such as in clocks, LED lighting and switching power supplies, among others.

Working Principle

The 9405R-48 is designed using a monolithic ceramic core construction. This helps to increase the inductance and enhance the rate of rise of dv/dt. The device consists of two coils wound on a ferrite core, and the inductance of the device is determined by the geometry and number of turns of each coil. When electrical current is passed through the coils, it creates a magnetic field. This magnetic field opposes the current, resulting in an inductive reactance that limits the current through the coils.

The 9405R-48 works best when handling both AC and DC currents. When an AC current passes through the device, the current is limited to a certain level because of the inductive reactance of the core, which helps to regulate the current. When a DC current flows through the device, there is no inductive reactance, so the current is not limited. This helps to provide a steady and stable output voltage for the device.

The 9405R-48 is designed to have a high rate of rise of dv/dt and a very low core loss. This helps to provide high-quality performance in terms of both power output and low-noise operation. The device is also designed to operate at wide temperature ranges, from -55 to +125°C, making it suitable for use in many applications.

Conclusion

In conclusion, the 9405R-48 fixed inductor is designed for use in AC-DC and DC-DC converters as a filter component in high frequency switching power supplies. It is designed with a monolithic ceramic core construction, and it has a high rate of rise of dv/dt and a very low core loss. The device is suitable for use in a wide range of temperature ranges, from -55 to +125°C, making it an ideal choice for many applications.

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