HFA135NH40R

Single Diodes Overview

The HFA135NH40R is a HEXFRED ultrafast, soft recovery diode in the HALF-PAK package. It features a 400V cathode-to-anode voltage rating and supports a continuous forward current of 211A at 25°C case temperature. Typical dynamic characteristics include a reverse recovery time of 50ns, peak recovery current of 7.5A, and reverse recovery charge of 290nC. The device exhibits a typical forward voltage drop of 1V and junction-to-case thermal resistance of 0.33°C/W.

Single Diodes Feature Summary

• Optimized for high-frequency power conditioning systems to reduce switching losses and EMI/RFI
• Soft recovery characteristic eliminates the need for snubbers in most applications
• Extensive characterization of recovery parameters simplifies loss calculations across varying currents and temperatures

Single Diodes Applications

• Power converters
• Motor drives
• High frequency power conditioning systems

Single Diodes Procurement Notes

Verify component authenticity through authorized channels. Confirm datasheet revision PD-2.455 rev. B matches physical markings. Ensure mounting torque remains within 15 to 25 lbf-in limits. Verify thermal interface grease application per specifications. Check terminal torque ratings between 30 and 40 lbf-in.

Single Diodes Selection Notes

Select based on required continuous forward current and thermal management capabilities. Evaluate junction-to-case thermal resistance for heat sink design. Consider reverse recovery charge and peak rate of fall of recovery current for high-frequency efficiency requirements. Match package dimensions for mechanical integration.

Single Diodes Part Context

This component belongs to the HEXFRED series of ultrafast recovery diodes manufactured by Vishay General Semiconductor - Diodes Division. The HALF-PAK package provides a robust solution for high-current applications requiring low profile and efficient thermal dissipation.

Single Diodes Replacement Considerations

No public confirmed substitute part numbers are available.