SCF39XV-440-Z2R0B005JH

Overview

The KEMET SCF39XV-440-Z2R0B005JH is a four-phase common mode choke from the SCF-XV series, designed for high-current automotive applications. It features an inductance of 620 µH and supports a maximum DC current of 44 A with a low DC resistance of 0.95 mΩ. Rated for 1000 V, this component operates within a temperature range of -40°C to +120°C. It utilizes ferrite core technology and meets AEC-Q200 qualification standards, ensuring reliability in demanding power electronics environments.

Feature Summary

• Four-phase assembly configuration for multi-phase power systems
• AEC-Q200 qualified for automotive grade reliability
• Ferrite core construction for effective noise suppression
• Low DC resistance design to minimize power loss

Applications

• Automotive power distribution units
• Electric vehicle motor drive inverters
• On-board charger (OBC) circuits
• DC-DC converter input/output filtering

Procurement Notes

Verify the specific inductance value against official datasheets, as sources vary between 330 µH and 620 µH for similar part numbers. Confirm the phase count and termination style match the target PCB layout. Ensure the supplier provides traceability documentation required for automotive-grade components. Check for RoHS compliance status before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring high current handling up to 44 A with strict EMI suppression needs. The four-phase design simplifies board space compared to discrete single-phase chokes. Consider the operating temperature range of -40°C to +120°C for harsh automotive environments. Evaluate the physical dimensions to ensure compatibility with the mechanical housing constraints.

Part Context

This component belongs to the KEMET SCF-XV series of common mode chokes, specifically engineered for automotive power electronics. The series is characterized by high current ratings and robust construction suitable for electric vehicle traction and charging applications. It addresses the need for compact, high-performance filtering solutions in modern EV architectures.

Replacement Considerations

Direct substitutes may include other KEMET SCF-XV variants with adjusted inductance or current ratings. Verify pinout compatibility and thermal performance characteristics before substitution. Cross-reference with competitor automotive-grade four-phase chokes only if electrical parameters and physical footprint are identical.