MSD7342-473MLC

Common Mode Chokes Overview

The MSD7342-473MLC is a shielded coupled inductor manufactured by Coilcraft, designed for DC-DC converter applications. It features a ferrite core and surface-mount construction within a 3030 package. The component has an inductance of 188 µH per winding with a 20% tolerance. It supports a maximum DC current of 860 mA and exhibits a maximum DC resistance of 420 mOhms. The device operates within a temperature range of -40°C to +85°C and complies with RoHS standards.

Common Mode Chokes Feature Summary

• Shielded coupled inductor design for efficient magnetic containment
• Dual-wound configuration suitable for SEPIC and other DC-DC topologies
• Surface-mount technology compatible with automated assembly processes

Common Mode Chokes Applications

• SEPIC converter circuits
• DC-DC power conversion systems
• General purpose inductive filtering in compact electronics

Common Mode Chokes Procurement Notes

Verify the specific suffix code (e.g., MLC) against the manufacturer's official datasheet to confirm termination type and packaging format. Ensure the ordered part matches the required inductance value and current rating for the target application. Cross-reference the RoHS compliance status if environmental regulations are critical. Confirm availability through authorized distributors to guarantee authenticity.

Common Mode Chokes Selection Notes

Select this component when a shielded coupled inductor is required for space-constrained designs. The 3030 package offers a compact footprint suitable for high-density PCB layouts. Consider the 860 mA current rating and 420 mOhm resistance for efficiency calculations. Verify that the 188 µH inductance aligns with the circuit's switching frequency and voltage requirements.

Common Mode Chokes Part Context

The MSD7342 series comprises shielded coupled inductors from Coilcraft, intended for power supply applications. These components are characterized by their dual-wound structure and ferrite core construction. The series includes various inductance values and package options to accommodate different design needs. The MSD7342-473MLC is a specific variant within this family, optimized for general-purpose DC-DC conversion tasks.

Common Mode Chokes Replacement Considerations

Check for direct substitutes within the MSD7342 series with matching inductance and current ratings. Verify physical dimensions and pinout compatibility before replacing. Consult Coilcraft documentation for approved alternatives or updated versions of the component.