HCM1A1305-2R2-R

Fixed Inductors Overview

The HCM1A1305-2R2-R is a fixed surface-mount power inductor from the Eaton HCM1A series, designed for high-current automotive applications. It features a shielded construction with an iron powder core and offers an inductance of 2.2 µH with a ±20% tolerance. The component supports a maximum DC current of 22 A and reaches saturation at 24 A. It exhibits a maximum DC resistance of 18 mΩ and operates within a temperature range of -55°C to +155°C. Qualified under AEC-Q200 standards, it measures 13.30 mm x 12.20 mm x 5.00 mm.

Fixed Inductors Feature Summary

• AEC-Q200 Grade 1 qualified for automotive reliability
• Shielded design minimizes electromagnetic interference
• High current carrying capacity up to 22 A
• Robust operation across extended industrial temperature ranges

Fixed Inductors Applications

• Automotive power distribution systems
• DC/DC converter output filtering
• On-board charger circuits
• High-current load switching applications

Fixed Inductors Procurement Notes

Verify the specific suffix against the official Eaton datasheet to confirm electrical parameters, as variations exist within the HCM1A1305 family. Ensure the procurement source provides valid traceability documentation required for automotive-grade components. Confirm that the delivered units match the specified AEC-Q200 qualification status and physical dimensions before integration into production lines.

Fixed Inductors Selection Notes

Select this component when designing circuits requiring high current handling in compact footprints. The 2.2 µH value suits intermediate frequency switching applications. Evaluate thermal management requirements based on the 22 A rated current and 18 mΩ DCR. Consider the shielded structure if EMI constraints are strict. Compare against other HCM1A variants to ensure the physical size and saturation characteristics align with the system's spatial and performance limits.

Fixed Inductors Part Context

This part belongs to the Eaton HCM1A series of high-current power inductors. The series utilizes iron powder cores and shielded designs to support demanding automotive environments. Components in this family are characterized by low DC resistance and high saturation currents, making them suitable for modern vehicle electrification architectures where space efficiency and thermal stability are critical.

Fixed Inductors Replacement Considerations

Direct substitutes include other HCM1A1305 variants with matching inductance and current ratings, such as HCM1A1305-2R2. Cross-family replacements require verification of footprint compatibility (13.30mm x 12.20mm) and AEC-Q200 qualification. Always consult the manufacturer's replacement guide to ensure equivalent magnetic performance and thermal characteristics.