SC414MF-470

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Fixed inductors are electrical components with hollow cores that are wrapped with wire or etched onto a board. These components are used to provide a known amount of resistance (inductance) for use in power electronic circuits. The SC414MF-470 is an industry-standard packaged inductor that combines both size and power efficiencies to provide reliable performance.

The SC414MF-470 is typically used in switching power supplies, rev. regulation circuits, and DC-DC converters. When used in these applications, it can provide stiffness to switching converter control loops by limiting the current that can be changed by the converter circuit too quickly, which can cause instability. The SC414MF-470 also helps smooth out the power supply voltage ripple and reduce electromagnetic interference (EMI) caused by the power supply.

The SC414MF-470 is a rectangular molded inductor, with dimensions of 4.7 mm x 4.0 mm x 6.0 mm. It can handle an inductance range of 4.7uH-10.2uH when connected to a designed switching circuit in combination with other components, such as capacitors and diodes, for optimum performance. With a typical DC current rating of 0.65A and a peak DC current rating of 1A, this inductor is suitable for a number of power-supply applications.

At the working level, the SC414MF-470 employs a coreless design consisting of a high-permeability ferrite material. This material enables the inductor to achieve a much higher inductance per volume than traditional air-core or ferrite-core inductors, while also reducing the losses associated with the core material and its proximity to the winding. The inductor also uses an internal shield, which helps reduce leakage inductance and further limits radiated noise. Additionally, this inductor utilizes an epoxy molding compound to provide superior dust-proof and moisture-proof protection from environmental contaminants, which helps ensure the device’s long-term reliability.

In terms of electrical properties, the SC414MF-470 inductor has a high self-resonance frequency (>50MHz), low distortion at high frequencies, and excellent DC current capability. It also has a high saturation current of 1.6A, enabling it to handle high-frequency transients and other current spikes. The internal shield also helps reduce the amount of EMI produced by the inductor, providing a clean power supply.

Finally, the SC414MF-470 features a proven, thermally efficient construction. It has a silicone-based internal dielectric material, which helps disperse heat quickly and efficiently. The inductor’s interior is also filled with a special thermal-static material that helps improve both heat dissipation and vibrational response. The thermally efficient construction results in improved device reliability over time, even when operating at elevated temperatures.

In conclusion, the SC414MF-470 is an industry-standard packaged inductor, suitable for use in a variety of power supply applications and characterized by its small size, high power efficiency, and reliable performance. It features a coreless design that provides higher inductance per volume, along with a thermally efficient construction that helps improve the device’s reliability. The SC414MF-470 also features an internal shield for reducing leakage inductance and radiated noise, as well as a high DC current capability and excellent electrical properties. Together, these features make the SC414MF-470 an ideal choice for a variety of power supply applications.

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