SCF47-400-S1R7C028JH

Overview

The KEMET SCF47-400-S1R7C028JH is a three-phase common mode filter featuring a nanocrystalline toroidal core. It provides an inductance of 2.8 mH with a maximum DC current rating of 40 A and a maximum DC resistance of 1.85 mOhms. Designed for horizontal through-hole mounting, the component operates within a temperature range of -40°C to +130°C. The unit measures 70 mm in diameter and 38 mm in height, weighing approximately 206 grams.

Feature Summary

• Utilizes nanocrystalline metal cores for ultra-high inductance and permeability
• Toroidal coil construction minimizes external magnetic interference
• Heat-resistant design supports operation at elevated temperatures up to 130°C

Applications

• Three-phase AC line filtering
• Industrial motor drive input stages
• Power conversion equipment EMI suppression

Procurement Notes

Verify the specific part number against official KEMET documentation to confirm compatibility with your circuit requirements. Ensure that the mounting style and thermal management capabilities align with your system design constraints before finalizing procurement decisions.

Selection Notes

Select this component when high inductance values are required for three-phase applications. The nanocrystalline core offers superior performance compared to standard ferrite options. Confirm that the physical dimensions and through-hole termination method fit the target PCB layout.

Part Context

This component belongs to the KEMET SCF-X series, which specializes in three-phase AC line filters. The series utilizes nanocrystalline technology to achieve high permeability and inductance in a compact form factor. These filters are engineered for robust electromagnetic interference suppression in demanding power electronics environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.