LLDND4040MKT4R7MM

Fixed Inductors Overview

The LLDND4040MKT4R7MM is a shielded, wire-wound metal power inductor from the LBDND series by Taiyo Yuden. It features a compact 4.0mm x 4.0mm surface-mount package with a low profile height of 1.2mm maximum. The component provides an inductance of 4.7 µH with a tolerance of ±20%. It supports a maximum DC current of 1.6 A and a saturation current of 2.3 A. The device operates within a temperature range of -40°C to +125°C and has a maximum DC resistance of 250 mOhms.

Fixed Inductors Feature Summary

• Shielded construction utilizing a metal core to minimize electromagnetic interference.
• Low-profile design suitable for space-constrained surface-mount applications.
• High thermal stability rated for operation up to 125°C.

Fixed Inductors Applications

• Power supply circuits
• DC-DC converter modules
• General electronic equipment

Fixed Inductors Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with standard reflow soldering profiles. Confirm RoHS compliance status through the manufacturer's latest datasheet before integration into regulated products.

Fixed Inductors Selection Notes

Select this component for designs requiring a balance between high current handling and low magnetic field emission. The shielded metal core architecture makes it appropriate for sensitive signal environments where unshielded alternatives might cause interference. Evaluate thermal dissipation requirements relative to the 1.6A continuous current rating.

Fixed Inductors Part Context

This part belongs to the LBDND series of power inductors, characterized by shielded metal cores and robust current capabilities. It serves as a specialized variant within the broader LLDND family, offering specific dimensional and performance attributes tailored for modern power management integrated circuits.

Fixed Inductors Replacement Considerations

Taiyo Yuden suggests LSDND4040JET4R7MM and MDMK4040T4R7MM as alternative options. Verify pinout compatibility and parameter alignment before substitution.