AU3PKHM3_A/H

Overview

The AU3PKHM3_A/H is a fast recovery rectifier from Vishay Semiconductors, featuring an 800 V reverse voltage and 3 A forward current rating. It utilizes the SMPC (TO-277A-3) surface-mount package and operates within a junction temperature range of -55 °C to +175 °C. Key electrical parameters include a maximum forward voltage of 1.13 V, a reverse leakage current of 410 nA, and a typical reverse recovery time of 66 ns. The device supports a peak repetitive surge current of 45 A and holds AEC-Q101 automotive qualification.

Feature Summary

• Fast recovery performance with avalanche capability for robust transient handling
• High thermal stability supporting operation up to +175 °C junction temperature
• Automotive-grade reliability certified under AEC-Q101 standards

Applications

• Automotive power supply circuits requiring high-reliability rectification
• General-purpose rectification in industrial equipment
• DC-DC converter output stages

Procurement Notes

Verify the specific suffix configuration against official datasheets to ensure correct packaging and tolerance specifications. Confirm AEC-Q101 compliance requirements match your design needs. Check RoHS and REACH status for regulatory adherence. Ensure the SMPC footprint matches your PCB layout constraints before finalizing procurement orders.

Selection Notes

Select this component when high reverse voltage blocking and fast switching speeds are required in a compact surface-mount form factor. The 3 A current rating suits moderate-power applications. Consider the 66 ns recovery time for efficiency in higher-frequency switching environments compared to standard rectifiers.

Part Context

This part belongs to the AU3P series of fast recovery rectifiers manufactured by Vishay Semiconductors. The series is designed for general-purpose rectification and offers improved switching characteristics over standard diodes. The AU3PKHM3_A/H variant specifically integrates avalanche ruggedness for enhanced durability in inductive load switching scenarios.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains the 800 V reverse voltage, 3 A forward current, and SMPC package compatibility. Verify that alternative components meet the same AEC-Q101 automotive qualification if required by the application.