SCF47B-300-S2R0B012J

Overview

The KEMET SCF47B-300-S2R0B012J is a three-phase common mode choke filter designed for AC line applications. It features an inductance of 1.2 mH and supports a maximum DC current rating of 30 A. The component exhibits a maximum DC resistance of 2.4 milliohms. It operates within a temperature range of -40°C to +125°C and utilizes a radial leaded mounting style.

Feature Summary

• Provides effective common mode noise suppression for three-phase power lines
• Utilizes a robust core design suitable for high-current industrial environments
• Offers low insertion loss with minimal DC resistance impact

Applications

• Three-phase AC line filtering in industrial machinery
• Power supply input stages for heavy-duty equipment
• Electromagnetic interference (EMI) suppression in motor drives

Procurement Notes

Verify the specific voltage rating and physical dimensions against the official KEMET datasheet before integration. Confirm that the radial lead configuration matches your PCB or terminal block layout requirements. Ensure the operating temperature range aligns with your system's thermal environment to guarantee long-term reliability and performance stability.

Selection Notes

Select this component when three-phase noise attenuation is required at currents up to 30 A. The 1.2 mH inductance value targets specific frequency bands for EMI reduction. Consider the physical size and lead spacing constraints during mechanical design. Compare DCR specifications against other models if thermal management is critical for the application.

Part Context

This part belongs to the KEMET SCF series of three-phase common mode chokes. These components are engineered for robust performance in demanding power electronics applications. The series provides standardized solutions for EMC compliance in industrial and commercial power systems, ensuring stable operation under high load conditions.

Replacement Considerations

Check for direct substitutes within the SCF series with matching inductance and current ratings. Verify pin compatibility and electrical parameters before swapping. Consult manufacturer cross-reference guides for validated alternatives.