AS3PDHM3_A/I

Overview

The AS3PDHM3_A/I is a high current density standard avalanche surface mount rectifier from Vishay's eSMP series. It features a glass passivated chip junction and controlled avalanche characteristics. The device is housed in a TO-277A (SMPC) package, suitable for automated placement with a typical height of 1.1 mm. It meets MSL level 1 standards per J-STD-020 with an LF maximum peak of 260 °C. The component is AEC-Q101 qualified and complies with RoHS Directive 2002/95/EC and WEEE 2002/96/EC. It is also halogen-free according to IEC 61249-2-21 definition.

Feature Summary

• Controlled avalanche characteristics for robust performance
• Glass passivated chip junction for reliability
• Very low profile design ideal for automated placement

Applications

• Automotive electronics requiring AEC-Q101 qualification
• High frequency applications benefiting from standard recovery times
• Surface mount assemblies with space constraints

Procurement Notes

Verify the specific voltage rating within the 200 V to 1000 V range, as the base series covers multiple variants. Confirm the exact suffix matches the required electrical parameters for your design. Ensure compliance with RoHS and WEEE directives if applicable to your region. Check for halogen-free certification requirements against IEC 61249-2-21. Validate package dimensions against your PCB footprint specifications.

Selection Notes

Select this component when automotive qualification and controlled avalanche behavior are required. The eSMP series offers a low-profile solution for dense PCB layouts. Consider the TO-277A package for its suitability in automated assembly processes. Evaluate the thermal management needs relative to the standard recovery speed. Ensure the chosen voltage variant aligns with the circuit's reverse voltage requirements.

Part Context

This part belongs to Vishay's eSMP series of high current density surface mount rectifiers. The series is designed for applications demanding reliable performance in compact form factors. The TO-277A package provides a balance between current handling and spatial efficiency. The product line emphasizes compliance with strict automotive and environmental standards.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.