MSD1278H-652MED

Common Mode Chokes Overview

The Coilcraft MSD1278H-652MED is a high-temperature, shielded coupled power inductor from the MSD1278H series. It features a ferrite core and surface-mount termination style with dimensions of 12.3 mm x 12.3 mm x 8.05 mm. The component has an inductance of 6.5 uH per winding (26 uH series) and a tolerance of 20%. It supports a maximum DC current of 4.5 A and has a maximum DC resistance of 19 mOhms. The operating temperature range extends from -40°C to +150°C.

Common Mode Chokes Feature Summary

• High-temperature design rated for operation up to +150°C
• Magnetic shielding provides compact packaging and tight coupling
• Ferrite core construction for stable performance

Common Mode Chokes Applications

• Automotive electronics requiring AEC-Q200 compliance
• High-temperature power conversion circuits
• Compact coupled inductor applications in constrained spaces

Common Mode Chokes Procurement Notes

Verify the specific suffix MED against official Coilcraft documentation to confirm exact electrical parameters and availability. Confirm RoHS compliance status and lead times directly with the manufacturer or authorized distributors, as supply conditions may vary.

Common Mode Chokes Selection Notes

Select this component when high thermal stability above standard industrial limits is required. Ensure the 6.5 uH inductance and 4.5 A current rating meet circuit requirements. Verify that the 12.3 mm footprint fits the PCB layout constraints.

Common Mode Chokes Part Context

Part of the MSD1278H series, designed for demanding environments. The series offers shielded coupled inductors with high saturation currents and low DCR, suitable for automotive and industrial power supplies where space and heat are critical factors.

Common Mode Chokes Replacement Considerations

Check for MSD1278H variants with different inductance values if parameter adjustments are needed. Consult Coilcraft for direct pin-compatible substitutes within the same series.