AS1FDHM3/I

Overview

The AS1FDHM3/I is a 200 V, 1.5 A avalanche-rated single diode manufactured by Vishay General Semiconductor - Diodes Division. It utilizes the FRED Pt® technology and is housed in a DO-219AB (SMF) surface-mount package. The device operates within a junction temperature range of -55°C to 175°C. It carries AEC-Q101 automotive qualification and complies with RoHS 3 standards.

Feature Summary

• Avalanche-rated capability for robust energy handling
• Automotive grade reliability via AEC-Q101 qualification
• Surface-mount design in compact DO-219AB package

Applications

• Automotive power supply circuits
• Inductive load protection
• Snubber applications

Procurement Notes

Verify the specific suffix against official documentation to confirm exact electrical characteristics and packaging configuration. Ensure the component meets required automotive quality standards and environmental compliance specifications before integration into final designs.

Selection Notes

Select this component for applications requiring avalanche ruggedness in a small surface-mount footprint. Confirm that the 200 V reverse voltage and 1.5 A current ratings align with circuit requirements. Verify thermal management needs for the specified operating temperature range.

Part Context

This part belongs to Vishay's FRED Pt® family of fast recovery diodes. It is designed for high-efficiency switching applications where avalanche tolerance provides additional system resilience. The SMF package offers space-saving benefits for modern electronic assemblies.

Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may lack specific avalanche ratings or automotive qualifications.