SCF47B-200-S1R9B026J

Overview

The KEMET SCF47B-200-S1R9B026J is a three-phase common mode choke designed for AC line filtering applications. It features an inductance of 2.6 mH and supports a maximum DC current of 20 A. The component exhibits a maximum DC resistance of 2.9 mOhms, ensuring low power loss during operation. Rated for voltages up to 250 V, it operates within a temperature range of -25°C to +120°C. This through-hole device utilizes a PCB mount style with a single channel configuration, suitable for robust industrial environments requiring effective electromagnetic interference suppression.

Feature Summary

• Provides effective common mode noise attenuation for three-phase AC power lines
• Engineered for high thermal stability with a maximum operating temperature of 120°C
• Utilizes through-hole termination for secure PCB mounting and mechanical reliability

Applications

• Three-phase AC power line filtering in industrial machinery
• Electromagnetic interference suppression in motor drive systems
• Power quality improvement in renewable energy inverters

Procurement Notes

Verify the specific voltage rating and inductance tolerance against the official KEMET datasheet before integration. Confirm that the through-hole footprint dimensions match the target PCB layout. Ensure the ambient operating environment remains within the specified -25°C to +120°C range to maintain performance integrity and prevent derating issues during long-term deployment.

Selection Notes

Select this component when designing three-phase systems requiring 20 A current handling with significant common mode noise reduction. The 2.6 mH inductance offers substantial impedance at higher frequencies compared to lower-value alternatives. Consider the 2.9 mOhm DCR for efficiency calculations in high-current paths where thermal management is critical for overall system reliability.

Part Context

This part belongs to the KEMET SCF series of three-phase common mode chokes. These components are engineered for AC line filter applications, providing reliable EMI suppression in demanding electrical environments. The series is characterized by high current capabilities and robust construction suitable for industrial power electronics and motor control applications.

Replacement Considerations

Consult official KEMET substitution guides for verified equivalents. Cross-reference inductance, current rating, and physical dimensions to ensure compatibility without modifying existing board layouts or thermal profiles.