MDWK4040T6R8MMV

Fixed Inductors Overview

The Taiyo Yuden MDWK4040T6R8MMV is a surface-mount power inductor from the MCOIL™ MD series. It features an unshielded wirewound metal core design with an inductance of 6.8 µH and a tolerance of ±20%. The component supports a maximum DC current of 2 A and a saturation current of approximately 2.1 A, with a maximum DC resistance of 158 mΩ. Measuring 4.0 mm x 4.0 mm x 2.0 mm, it operates within a temperature range of -40°C to +125°C and is tested at 1 MHz.

Fixed Inductors Feature Summary

• Unshielded wirewound construction utilizing a metal core for high-current handling capabilities.
• AEC-Q200 qualified for automotive reliability standards.
• Compact 4.0 mm x 4.0 mm footprint suitable for space-constrained PCB layouts.

Fixed Inductors Applications

• Automotive power supply circuits
• DC-DC converter output filtering
• General-purpose power electronics

Fixed Inductors Procurement Notes

Verify the specific suffix 'V' against the manufacturer's latest documentation to confirm current availability status and any potential obsolescence notices. Cross-reference the electrical parameters, particularly the DC resistance and current ratings, with the official datasheet to ensure compatibility with the target circuit requirements before finalizing procurement.

Fixed Inductors Selection Notes

Select this component when an unshielded inductor is required to minimize magnetic interference with nearby sensitive components while maintaining high current capacity. The AEC-Q200 qualification makes it suitable for automotive applications. Ensure the PCB layout accommodates the 2.0 mm height and that the thermal environment remains within the specified -40°C to +125°C operating range.

Fixed Inductors Part Context

This part belongs to the Taiyo Yuden MCOIL™ MD series, which focuses on high-power density solutions. The model utilizes a wirewound metal core technology, distinguishing it from shielded alternatives in the same footprint family. It is designed for robust performance in demanding power conversion environments.

Fixed Inductors Replacement Considerations

LCDND4040WKT6R8MM is documented as a previous part number or alternative variant with similar specifications but a shielded design. Verify pin compatibility and magnetic shielding requirements when substituting.