SC-20-400

Overview

The KEMET SC-20-400 is a common mode choke designed for AC line filtering applications. It features a cylindrical construction with a diameter of 63 mm and utilizes ferrite core material to suppress electromagnetic interference. The component is rated for operation within a temperature range of -40°C to +130°C, ensuring reliability in demanding environments. As part of the SC series, it provides effective noise attenuation for power lines while maintaining structural integrity under thermal stress.

Feature Summary

• Common mode filtering capability for AC line noise suppression
• Ferrite core construction for high-frequency interference reduction
• Wide operating temperature range suitable for harsh conditions

Applications

• AC line filtering in industrial equipment
• Electromagnetic interference suppression in power supplies
• Noise reduction in automotive electrical systems

Procurement Notes

Verify the specific datasheet version for the SC-20-400 to confirm exact inductance values and current ratings, as these parameters are critical for circuit design. Ensure compatibility with mounting requirements and thermal management strategies. Cross-reference with official KEMET documentation to validate performance characteristics against application needs.

Selection Notes

Select this component when common mode noise suppression is required for AC lines. Consider the 63 mm diameter and temperature rating for space and environmental constraints. Evaluate inductance and current handling capabilities against system specifications to ensure adequate filtering performance without saturation.

Part Context

The SC-20-400 belongs to KEMET's SC series of common mode chokes, which are engineered for robust EMI/RFI suppression. This series is widely used in applications requiring reliable noise filtering in power circuits. The component supports various industrial and automotive standards, reflecting its versatility in electronic design.

Replacement Considerations

Consult KEMET's official substitution guide or equivalent manufacturer catalogs for verified alternatives. Ensure replacement parts match inductance, current rating, and physical dimensions. Verify that any substitute meets the same temperature and safety certifications.