AS3BG-M3/H

Overview

The AS3BG-M3/H is a standard recovery rectifier from Vishay Semiconductors, featuring an eSMP package. It supports a maximum average forward current of 3 A and a repetitive peak reverse voltage of 400 V. The device operates within a junction temperature range of -55 °C to +175 °C. Key electrical parameters include a forward voltage of 980 mV at 3 A, a reverse leakage current of 500 nA, and a maximum surge current of 90 A.

Feature Summary

• Glass passivated chip junction for enhanced reliability
• Controlled avalanche characteristics for robust performance
• Low leakage current operation
• High forward surge capability

Applications

• General purpose rectification in surface mount applications
• Automotive electronics requiring AEC-Q101 qualification
• Power supply circuits utilizing SMB packages

Procurement Notes

Verify the specific suffix against official documentation to confirm package type and qualification status. The M3 designation indicates halogen-free compliance. Confirm availability through authorized distributors as lead times vary. Ensure the ordering code matches the required voltage and current ratings for the target application.

Selection Notes

Select this component for applications requiring a 3 A standard recovery rectifier in an SMB package. The 400 V rating suits general power conversion tasks. Consider the AEC-Q101 qualification if automotive standards are mandatory. Compare with similar Vishay series parts for package compatibility and thermal requirements.

Part Context

This part belongs to the eSMP series of high current density standard avalanche surface mount rectifiers. The series is characterized by very low profile dimensions ideal for automated placement. Vishay General Semiconductor designs these devices for reliable operation in demanding electronic environments.

Replacement Considerations

Check for direct substitutes within the AS3B series with different voltage ratings or package variants. Verify pinout compatibility before substitution. Consult Vishay datasheets for equivalent parts with matching electrical specifications.