MSD7342-154MLC

Common Mode Chokes Overview

The MSD7342-154MLC is a shielded coupled power inductor from Coilcraft, designed for SEPIC applications. It features a 1:1 coupling ratio and a nominal inductance of 150 µH with a 20% tolerance. The component operates within an ambient temperature range of -40°C to +85°C. Key electrical specifications include a DC resistance of 1.35 ohms and a rated current of 0.48 A. It utilizes a ferrite core and is housed in a compact SMD package measuring 7.5 mm by 7.5 mm with a height of 4.6 mm.

Common Mode Chokes Feature Summary

• Magnetic shielding provides compact packaging and minimizes electromagnetic interference.
• Tight winding-to-winding coupling ensures stable performance in coupled circuits.
• Dual-wound structure supports specific power converter topologies such as SEPIC.

Common Mode Chokes Applications

• SEPIC power converter designs
• DC-DC converter circuits
• Automotive electronics requiring AEC-Q200 qualification

Common Mode Chokes Procurement Notes

Verify the suffix 'LC' corresponds to the specific tape-and-reel packaging configuration required for automated assembly. Confirm that the AEC-Q200 automotive qualification status aligns with target application reliability standards. Ensure the ferrite core material and operating temperature limits meet system thermal constraints.

Common Mode Chokes Selection Notes

Select this component when a 150 µH coupled inductor with tight magnetic coupling is required for SEPIC or similar topologies. Consider the 0.48 A current rating and 1.35 Ω DC resistance against circuit efficiency requirements. The 3030 footprint suits space-constrained PCB layouts where magnetic shielding is necessary to prevent noise coupling.

Common Mode Chokes Part Context

This part belongs to the MSD7342 series of shielded coupled power inductors manufactured by Coilcraft. The series is characterized by its 1:1 coupling ratio and suitability for high-efficiency power conversion applications. The 'MLC' suffix typically denotes specific packaging or termination variations within the broader MSD7342 product line.

Common Mode Chokes Replacement Considerations

Direct substitutes must match the 150 µH inductance, 1:1 coupling ratio, and 3030 package dimensions. Verify equivalent current ratings and DC resistance values. Cross-reference AEC-Q200 certification if automotive compliance is mandatory.