SLF6025T-4R7M1R5-PF

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Fixed inductors refer to components that store electrical energy in the form of a magnetic field and are composed of a coil and core. These inductors are passive devices, meaning that unlike active components such as transistors, they are not capable of amplifying current or voltage. The SLF6025T-4R7M1R5-PF inductor is specifically designed for surface mount applications and features a very small size. However, despite its small size, it can still offer a high level of performance. This article will take a close look at the SLF6025T-4R7M1R5-PF and explain its application field and working principle.

What is the SLF6025T-4R7M1R5-PF

The designations in the SLF6025T-4R7M1R5-PF mean the following:

• SLF - Series name.
• 6025 - Means that this is a part of the “EIA 6025” footprint series.
• T - Indicates the tolerance of the inductor.
• 4R7M1R5 - This indicates the inductance, which is 4.7 mH (4R7M = 4.7mH). The precise tolerance value is 1%, or 1R5.
• PF - Terminations style, which is “pin-and-flange”.

The SLF6025T-4R7M1R5-PF is a surface-mount fixed inductor made with a proprietary ferrite core, which allows the inductor to be relatively small without compromising performance. It is rated for current up to 1.6A and has a inductance tolerance within 1%. It has a very high self-resonant frequency (SRF) of 16.7GHz, which makes it perfect for use in hgh-frequency applications. The part has an overall height of 1.05M and a package size of 2.00mm x 1.85mm.

Application Field of SLF6025T-4R7M1R5-PF

The SLF6025T-4R7M1R5-PF is ideal for applications such as broadband RF power amplifiers, cellular phones, and digital modems. Its high self-resonant frequency makes it suitable for use in high-frequency, wide-bandwidth applications, where its small size adds little to the overall board size. Furthermore, the SLF6025T-4R7M1R5-PF is specifically designed to operate with high switching frequencies, making it suitable for use in frequency converters and inverters.

Working Principle

Fixed inductors store energy in the form of a magnetic field. The inductance is determined by the number of turns in the coil, the cross-sectional area of the conductive wire, and the permeability of the core material. When a current passes through the coil, it creates a magnetic field in the core material. When the current is removed, the magnetic field collapses, causing the voltage across the inductor to become reverse. This reverse voltage is equal to the sum of the voltage dropped across the inductor and the original voltage applied to it. The inductor then acts as an energy absorber, releasing the energy in the form of an electrical current.

Conclusion

The SLF6025T-4R7M1R5-PF is a high-performance fixed inductor designed for surface mount applications. Its small size makes it ideal for applications where the size of the board is limited. This component is perfect for use in broadband RF power amplifiers, cellular phones, frequency converters, and digital modems. Its operation is based on storing electrical energy in a magnetic field and releasing it upon the current is removed.

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