XAL4040-822MEC

Fixed Inductors Overview

The Coilcraft XAL4040-822MEC is a shielded surface-mount power inductor from the XAL4040 series, designed for automotive and general power applications. It features a composite core and offers an inductance of 8.2 µH with a tolerance of ±20%. The component supports a maximum DC current of 3.4 A and has a maximum DC resistance of 66.9 mOhms. It is qualified to AEC-Q200 standards, ensuring reliability in harsh environments. The operating temperature range spans from -40°C to +125°C, with a self-resonant frequency of 27 MHz. Physical dimensions are 4.3 mm x 4.3 mm x 3.1 mm.

Fixed Inductors Feature Summary

• Shielded construction minimizes electromagnetic interference and magnetic flux leakage.
• Composite core material provides stable performance under varying load conditions.
• AEC-Q200 qualification ensures compliance with automotive reliability standards.

Fixed Inductors Applications

• Automotive power supply circuits
• General power conversion systems
• DC-DC converter output filtering

Fixed Inductors Procurement Notes

Verify component authenticity through authorized Coilcraft distributors or certified partners. Confirm that the specific suffix matches the required electrical specifications and termination plating. Ensure storage conditions comply with moisture sensitivity levels if applicable. Cross-reference datasheet revisions to guarantee compatibility with current design requirements. Validate AEC-Q200 certification status for automotive-grade deployments.

Fixed Inductors Selection Notes

Select this model when high current handling and compact footprint are critical. The 8.2 µH value suits moderate-frequency switching applications. Consider the 3.4 A saturation limit against peak load demands. The shielded design reduces layout sensitivity compared to unshielded alternatives. Verify thermal management capabilities within the -40°C to +125°C operational window.

Fixed Inductors Part Context

Part of the XAL4040 series, which focuses on high-current SMD power inductors. This series utilizes molded composite cores for robust mechanical stability. The 4040 metric package balances size and performance for space-constrained designs. It targets both industrial and automotive sectors requiring reliable passive components.

Fixed Inductors Replacement Considerations

XGL4030-822MEC is a recommended alternative offering lower height and DCR. XGL4040-153MEC serves as a substitute for higher inductance variants with similar form factors.