AU1PGHM3/85A

Overview

The AU1PGHM3/85A is a surface-mount Avalanche diode manufactured by Vishay General Semiconductor - Diodes Division. It features a maximum DC reverse voltage (Vr) of 400 V and an average forward current (Io) of 1 A. The device utilizes DO-220AA (SMP) packaging and belongs to the eSMP series. Key electrical parameters include a maximum forward voltage (Vf) of 1.5 V at 1 A and a reverse leakage current of 1 µA. It is qualified under AEC-Q101 standards for automotive applications.

Feature Summary

• Engineered with Avalanche technology for robust transient voltage suppression capabilities
• Automotive grade qualification ensuring reliability in demanding environments
• Surface mount design optimized for automated assembly processes

Applications

• Transient voltage suppression in automotive electronic systems
• Protection circuits requiring high surge energy handling
• General purpose rectification in industrial equipment

Procurement Notes

Verify the specific datasheet version corresponding to the AU1PGHM3/85A part number before procurement, as manufacturer documentation may contain updated electrical characteristics or pin configurations. Confirm that the required AEC-Q101 qualification aligns with your specific application standards. Ensure the DO-220AA package dimensions match your PCB footprint requirements precisely.

Selection Notes

Select this component when a 400 V reverse voltage rating and 1 A current capacity are required in a compact surface-mount form factor. The Avalanche technology makes it suitable for applications involving inductive load switching or transient protection needs. Consider the thermal performance within the DO-220AA package relative to your system's power dissipation constraints.

Part Context

This component is part of Vishay's eSMP series of surface-mount diodes. The series offers various voltage and current ratings tailored for automotive and industrial markets. The AU1PGHM3/85A specifically addresses the need for high-voltage avalanche-rated devices in small packages, complementing standard rectifier offerings in the same lineup.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative components based on matching Vr, Io, Vf, and package specifications.