4669-272M

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Fixed Inductors: 4669-272M Application Field and Working Principle

Fixed inductors are widely used across many different applications. They are used in the power electronics and industrial automation industries as components of power supplies and signal conditioning systems, among others. The fixed inductor 4669-272M from Johanson Technology is a popular choice in this category, as a high-current inductor optimized for low-noise applications. In this article we will explore its key features, application field, and working principle.

Key Features

The 4669-272M fixed inductor has a series of key features that make it an attractive choice for low-noise applications. First, it has an extremely low DCR of 0.6 mOhm. This ensures that the inductor has a low noise output, which is ideal for signal conditioning applications. Secondly, the inductor has an internal shield which limits interference with common mode and reduces EMI. Finally, the 4669-272M has a high saturation current rating of 15A and a high self-resonant frequency of 48MHz, making it suitable for high-frequency applications.

Application Field

The application field of 4669-272M fixed inductors is quite broad. Firstly, they are used in industrial automation applications for power supplies and signal conditioning systems. Secondly, they are widely used in power electronics components for energy management systems, such as frequency drives and inverters. Thirdly, they are used in consumer-level applications, such as phones, tablets, laptops, and wireless routers. Finally, the low-noise output of the 4669-272M makes it an attractive choice for audio and video equipment.

Working Principle

Fixed inductors, like the 4669-272M, work in a very similar way to other types of inductors. When current flows through the conductor, an electromagnetic induction force is produced. This force induces a voltage in the conductor, allowing electrons to flow in the opposite direction of the current. This produces a power flow in a continuous cycle, allowing the inductor to store and release energy.

The current through the inductor creates a magnetic field, which in turn produces an opposing voltage back to the source. This current flow is what is responsible for the inductor’s high self-resonant frequency. This feature allows the inductor to be used in applications that require high frequency signals, such as audio and video equipment.

Conclusion

The 4669-272M fixed inductor from Johanson Technology is an ideal choice for low-noise applications. Its low DCR and internal shield make it an attractive choice for industrial automation, energy management, and consumer-level applications. Additionally, its high saturation current rating and high self-resonant frequency make it suitable for high-frequency signal applications. Overall, the 4669-272M is an effective and versatile choice for many different applications.

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