HA72E-121R0HLFTR13

Overview

The HA72E-121R0HLFTR13 is a surface-mount power inductor manufactured by TT Electronics/BI Magnetics. It features an unshielded molded construction with an inductance of 1 µH and a tolerance of ±20%. The component supports a maximum DC current of 32 A and has a maximum DC resistance of 2 mΩ. It operates within a temperature range of -40°C to +155°C and is tested at 100 kHz. The device is packaged in reels or cut tape for automated assembly.

Feature Summary

• Unshielded molded design for high-power applications
• AEC-Q200 qualified for automotive reliability standards
• High current handling capability up to 32 A
• Low DC resistance of 2 mΩ for efficiency

Applications

• Automotive power supply circuits
• DC-DC converter output filtering
• High-current point-of-load regulation

Procurement Notes

Verify the specific ordering suffix and package type, as availability may vary between reel and cut tape formats. Confirm RoHS compliance status through official documentation before integration. Check for end-of-life notifications or obsolescence warnings from the manufacturer to ensure long-term supply chain stability.

Selection Notes

Select this component for applications requiring high saturation current and low impedance. Ensure the PCB footprint matches the SMD dimensions. Verify thermal management requirements due to high current ratings. Consider the unshielded nature for potential EMI constraints in dense layouts.

Part Context

This part belongs to the HA72E series of power inductors from TT Electronics/BI Magnetics. The series offers various inductance values tailored for automotive and industrial power electronics. The HA72E line emphasizes robustness and high current density in a compact surface-mount form factor.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.