AU3PMHM3/87A

Overview

The AU3PMHM3/87A is an ultrafast avalanche surface mount rectifier from Vishay's eSMP series, housed in a SMPC (TO-277A) package. It features a single diode configuration with a maximum repetitive peak reverse voltage of 1000 V and an average forward current rating of 3.0 A. The device exhibits a fast reverse recovery time of 75 ns and supports a peak forward surge current of 45 A. It is qualified under the AEC-Q101 standard for automotive applications.

Feature Summary

• Glass passivated pellet chip junction designed for high reliability
• Controlled avalanche characteristics suitable for energy absorption applications
• Low leakage current and low profile construction ideal for automated placement

Applications

• Fast switching rectification in power supplies
• Inverter and converter circuits
• Freewheeling diodes in consumer, automotive, and telecommunication equipment

Procurement Notes

Verify that the ordering code includes the HM3 suffix to confirm AEC-Q101 qualification. Confirm the trailing character matches 'H' to ensure the correct 6500-unit reel packaging format. Cross-reference the full part number against official Vishay documentation to validate compliance status before procurement.

Selection Notes

Select this component when a 1000 V blocking capability and 3 A continuous current are required in a compact surface mount form factor. The controlled avalanche rating allows utilization in inductive load switching scenarios where transient energy absorption is necessary without external protection components.

Part Context

This device belongs to the eSMP series utilizing the SMPC (TO-277A) package. It represents the high-voltage variant within the AU3P family, distinguished by its 1000 V rating compared to the 800 V AU3PK counterpart. The HM3 designation indicates halogen-free, RoHS-compliant materials with automotive qualification.

Replacement Considerations

AU3PM-M3/87A serves as the commercial grade equivalent lacking AEC-Q101 qualification.