AR3PGHM3_A/I

Overview

The AR3PGHM3_A/I is a single fast recovery rectifier from Vishay, rated for 400 V reverse voltage and 3 A forward current. It utilizes the SMPC (TO-277A-3) surface-mount package. Key electrical parameters include a maximum forward voltage of 1.04 V at 3 A, a peak repetitive reverse current of 330 nA, and a typical reverse recovery time of 122 ns. The device supports a maximum surge current of 50 A and operates within a junction temperature range of -55 °C to +175 °C. It is qualified under AEC-Q101 standards.

Feature Summary

• Fast recovery characteristics with avalanche capability
• High thermal stability supporting extended operating temperatures
• Automotive-grade qualification ensuring reliability in harsh environments

Applications

• Automotive power supply circuits
• DC-DC converter output rectification
• General-purpose high-frequency switching applications

Procurement Notes

Verify the specific suffix against official documentation to confirm the exact tape-and-reel packaging configuration and lot traceability requirements. Ensure that the ordering quantity aligns with the manufacturer's standard reel size specifications. Cross-reference the component marking code with the datasheet to validate authenticity upon receipt.

Selection Notes

Select this component when a compact surface-mount solution is required for medium-current rectification with fast switching speeds. The TO-277A-3 package offers improved thermal performance compared to traditional axial leads. Consider the 400 V rating for systems requiring moderate voltage isolation without excessive derating.

Part Context

This part belongs to the AR3P series of fast recovery rectifiers designed for automotive and industrial applications. The series emphasizes robustness against transient voltage events due to its avalanche-rated construction. It serves as a surface-mount alternative to through-hole diodes, facilitating automated assembly processes while maintaining high reliability standards.

Replacement Considerations

Consult official substitution guides for equivalent parts within the same voltage and current ratings. Verify pinout compatibility and thermal resistance values before replacing existing designs.