MSD7342-682MLC

Common Mode Chokes Overview

The Coilcraft MSD7342-682MLC is a shielded coupled power inductor designed for surface-mount applications. It features a 1:1 turns ratio and an inductance of 6.8 µH with a 20% tolerance. The component operates at a saturation current of 2.1 A and exhibits a DC resistance of 70 mΩ. It is rated for operation within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Common Mode Chokes Feature Summary

• Magnetic shielding provides compact packaging and minimizes electromagnetic interference.
• Tight winding-to-winding coupling ensures efficient energy transfer between windings.
• AEC-Q200 qualified for automotive reliability standards.

Common Mode Chokes Applications

• SEPIC converter circuits
• Flyback converter topologies
• Multi-output buck converters

Common Mode Chokes Procurement Notes

Verify the specific suffix (LC) against official Coilcraft documentation to confirm exact electrical tolerances and lead time classifications. Ensure the ordering part number matches the required tape-and-reel packaging specifications for automated assembly processes.

Common Mode Chokes Selection Notes

Select this component when designing SEPIC or flyback converters requiring tight magnetic coupling and low leakage inductance. The 1:1 ratio and shielded construction make it suitable for space-constrained automotive and industrial power supplies where EMI reduction is critical.

Common Mode Chokes Part Context

This model belongs to the MSD7342 series of 1:1 coupled power inductors from Coilcraft. The series is characterized by its small 7.5mm x 7.5mm footprint and high-current capabilities, targeting modern power management ICs in automotive and industrial sectors.

Common Mode Chokes Replacement Considerations

Consult Coilcraft's official substitution guide for verified equivalents. Generic coupled inductors may lack the specific 1:1 coupling coefficient and AEC-Q200 certification required for this application.