AS3BG-M3/I

Overview

The AS3BG-M3/I is a standard recovery rectifier manufactured by Vishay Semiconductors, designed for surface-mount applications. It features a single configuration within the DO-214AA (SMB) package. The device supports a maximum average forward current of 3 A and withstands a repetitive peak reverse voltage of 400 V. Key electrical parameters include a maximum forward voltage of 980 mV at 3 A, a non-repetitive peak forward surge current of 90 A, and a maximum reverse current of 500 nA. It operates within a junction temperature range of -55 °C to +175 °C.

Feature Summary

• Glass passivated chip junction for enhanced environmental stability
• Controlled avalanche characteristics for robust performance under transient conditions
• Low leakage current to minimize power loss in off-state
• High forward surge capability to handle temporary overcurrent events

Applications

• Automotive electronics systems requiring AEC-Q101 qualification
• General-purpose rectification in surface-mount circuit designs
• Power supply units utilizing SMB packaged components

Procurement Notes

Verify the specific ordering suffix and manufacturer part number against official Vishay documentation to ensure correct component selection. Confirm compliance with RoHS directives and halogen-free requirements as stated in the datasheet. Check for any product change notifications that may affect specifications or manufacturing location before finalizing procurement plans.

Selection Notes

Select this component when a 3 A standard recovery rectifier with 400 V blocking capability is required in an SMB package. Consider its controlled avalanche rating if the application involves potential inductive load switching. Ensure the design accommodates the specified thermal operating range and forward voltage drop characteristics for efficient heat management.

Part Context

This component belongs to the eSMP series of high current density standard avalanche surface mount rectifiers from Vishay. The series is characterized by a very low profile, typically 1.1 mm height, making it suitable for automated placement processes. It represents a glass-passivated solution designed for reliability in demanding electronic environments.

Replacement Considerations

Direct substitutes within the same family include AS3BD-M3/I (200 V rating) and AS3BJ-M3/52T (600 V rating). Verify voltage ratings and package compatibility when considering these alternatives for equivalent current handling capabilities.