HM79-50270LFTR13

Overview

The HM79-50270LFTR13 is a fixed wirewound inductor from the HM79 series manufactured by TT Electronics/BI Magnetics. It features an unshielded drum core design with a nominal inductance of 27 µH and a tolerance of ±20%. The component supports a maximum DC current rating of 1.44 A and has a maximum DC resistance of 100 mΩ. Designed for surface mount applications, it operates within a temperature range of -40°C to +125°C.

Feature Summary

• Unshielded wirewound construction utilizing a drum core geometry
• Surface mount installation suitable for automated PCB assembly
• High current handling capability up to 1.44 A

Applications

• General purpose power filtering circuits
• DC-DC converter input or output stages
• Signal processing energy storage elements

Procurement Notes

Verify component availability status directly with authorized distributors as supply levels fluctuate. Confirm that the ordering suffix matches the required reel quantity specifications. Ensure compliance with RoHS directives and check for any regional trade restrictions prior to finalizing procurement orders.

Selection Notes

Select this component when an unshielded inductor is acceptable to minimize size and cost while requiring high current capacity. Verify that the 27 µH value aligns with circuit design requirements. Consider thermal management strategies given the 1.44 A rating and operating temperature limits.

Part Context

This part belongs to the HM79 series of fixed inductors produced by TT Electronics/BI Magnetics. The series offers various inductance values tailored for surface mount power electronics applications. The specific model provides a balance between current handling and compact form factor.

Replacement Considerations

SDR0805-270KL by Bourns Inc. is a documented direct substitute offering equivalent electrical characteristics and form factor compatibility.