MSD7342-273MLC

Common Mode Chokes Overview

The Coilcraft MSD7342-273MLC is a shielded coupled power inductor designed for SEPIC applications. It features a ferrite core and surface-mount construction within a 7.5 x 7.5 x 4.6 mm package. The component provides an inductance of 27 uH with a 20% tolerance. It supports a maximum DC current of 1.11 A and has a maximum DC resistance of 250 mOhms. Operating temperatures range from -40 C to +85 C, and it holds AEC-Q200 qualification.

Common Mode Chokes Feature Summary

• Magnetic shielding enables compact packaging and tight winding-to-winding coupling
• Dual-wound structure optimized for SEPIC converter topologies
• AEC-Q200 qualified for automotive reliability standards

Common Mode Chokes Applications

• SEPIC power converter circuits
• Automotive electronic systems requiring AEC-Q200 components
• Compact DC-DC power supply designs

Common Mode Chokes Procurement Notes

Verify the specific suffix (e.g., MLC) against official Coilcraft documentation to confirm exact electrical tolerances and packaging configurations. Confirm AEC-Q200 certification status directly with the manufacturer or authorized distributors. Ensure the selected variant matches the required thermal and current specifications for the target application environment.

Common Mode Chokes Selection Notes

Select this component when a shielded, dual-wound inductor is required for SEPIC topologies. Consider the 1.11 A current rating and 250 mOhms resistance for efficiency calculations. Verify that the 7.5 mm footprint fits the PCB layout constraints. Check temperature ratings against operational extremes.

Common Mode Chokes Part Context

This part belongs to the MSD7342 series of shielded coupled power inductors from Coilcraft. The series utilizes ferrite cores and offers various inductance values. These components are engineered for high-density power conversion applications where magnetic interference must be minimized through effective shielding.

Common Mode Chokes Replacement Considerations

Consult official Coilcraft documentation for verified substitute part numbers within the MSD7342 series or equivalent qualified components. Do not assume interchangeability based on similar inductance values alone.