XEL4030-122MEC

Fixed Inductors Overview

The Coilcraft XEL4030-122MEC is a shielded surface-mount power inductor from the XEL series, designed for automotive applications. It features a composite core and molded construction with standard terminations. The component has an inductance of 1.2 µH with a tolerance of ±20%. It supports a maximum DC current of 11.2 A and a saturation current of 12.5 A. The maximum DC resistance is 8.8 mΩ, and the self-resonant frequency is 26 MHz. Operating temperatures range from -40°C to +125°C. The package dimensions are 4 mm x 4 mm x 3.1 mm.

Fixed Inductors Feature Summary

• AEC-Q200 Grade 1 qualified for automotive reliability
• Shielded design minimizes electromagnetic interference
• Composite core material provides soft saturation characteristics

Fixed Inductors Applications

• Automotive power supply circuits
• DC-DC converter input/output filtering
• On-board charger systems

Fixed Inductors Procurement Notes

Verify the specific suffix 'MEC' against official Coilcraft documentation to confirm termination plating and packaging details. Ensure the part number matches the exact electrical specifications required for the target application. Confirm availability status through authorized distributors as supply conditions may vary. Cross-reference the datasheet revision date to ensure compliance with current manufacturing standards.

Fixed Inductors Selection Notes

Select this component for applications requiring high current handling in compact automotive environments. The low DC resistance aids in minimizing conduction losses. Verify that the saturation current exceeds the peak current demands of the circuit. Ensure the operating temperature range aligns with the thermal environment of the installation site.

Fixed Inductors Part Context

This part belongs to the Coilcraft XEL series of shielded power inductors. The series is characterized by high current capability and low AC losses. The XEL4030 variant offers a balance between size and performance, suitable for space-constrained designs. It is distinct from other series like XEL6030 which offer higher current ratings in larger packages.

Fixed Inductors Replacement Considerations

Consult the official Coilcraft XEL series datasheet for direct cross-references. Potential substitutes within the same family include XEL4030-152MEC or XEL4030-901MEC, depending on specific inductance requirements. Verify pin compatibility and thermal performance before substitution.