LBXND4040TKL470MDG

Fixed Inductors Overview

The LBXND4040TKL470MDG is a fixed power inductor from Taiyo Yuden, designed for surface-mount applications. It features a semi-shielded wirewound construction with a ferrite core, offering an inductance of 47 µH and a tolerance of ±20%. The component operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification. Key electrical parameters include a maximum DC resistance (DCR) of 650 mΩ, a saturation current (Isat) of 600 mA, and a maximum continuous current rating of 440 mA. The self-resonant frequency is specified at 6 MHz, tested at 100 kHz. The physical dimensions are 4.0 mm x 4.0 mm x 1.6 mm.

Fixed Inductors Feature Summary

• Semi-shielded wirewound design reduces electromagnetic interference while maintaining high magnetic efficiency.
• AEC-Q200 qualified for automotive reliability standards, ensuring robust performance under thermal stress.
• Compact 1616 metric footprint enables efficient space utilization on high-density printed circuit boards.

Fixed Inductors Applications

• Telecommunications infrastructure equipment
• Industrial equipment power management
• Automotive electronic systems

Fixed Inductors Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required packaging formats such as cut tape or reel quantities. Confirm that the AEC-Q200 certification status aligns with target application requirements. Cross-reference the manufacturer datasheet for any recent product change notices regarding material composition or manufacturing location updates prior to finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a compact form factor is required alongside moderate current handling capabilities. The semi-shielded architecture provides a balance between cost-effectiveness and noise suppression suitable for general-purpose filtering. Ensure the operating environment remains within the specified -40°C to +125°C range to maintain inductance stability and prevent thermal degradation of the windings.

Fixed Inductors Part Context

This part belongs to the LBXND series of power inductors, characterized by small size and high current density. It serves as a passive energy storage element in switching regulator circuits. The series is engineered for applications demanding reliable performance in constrained spaces, bridging the gap between standard unshielded inductors and fully shielded high-cost alternatives.

Fixed Inductors Replacement Considerations

Consult official substitution lists for direct equivalents. Verify pinout compatibility and thermal characteristics before replacing with alternative manufacturers' components.

Fixed Inductors FAQ

What is the difference between Isat and Imax for this inductor?

Isat (600 mA) represents the current where inductance drops significantly due to core saturation, while Imax (440 mA) is the limit for continuous operation without exceeding temperature rise specifications.

Does the semi-shielded design eliminate all EMI?

No, it reduces electromagnetic interference compared to unshielded types but does not provide complete containment like fully shielded inductors.