AU3PD-M3/86A

Overview

The AU3PD-M3/86A is a surface-mount avalanche-rated rectifier diode from Vishay’s eSMP® series, housed in a TO-277A (SMPC) package. It features a maximum repetitive peak reverse voltage of 200 V and an average forward current rating of 1.7 A. The device exhibits a fast recovery time of 75 ns, classifying it as suitable for high-frequency applications. Key electrical characteristics include a low forward voltage drop at rated current and robust avalanche energy handling capabilities, ensuring reliability under transient stress conditions.

Feature Summary

• Incorporates avalanche-rated construction for enhanced ruggedness against transient voltage events
• Utilizes oxide planar chip junction technology to ensure stable performance and low leakage
• Features ultrafast recovery characteristics optimized for high-frequency switching efficiency

Applications

• High-frequency power supply circuits requiring avalanche tolerance
• Inductive load protection in automotive and industrial systems
• Snubber circuits in switch-mode power supplies

Procurement Notes

Verify the specific suffix /86A corresponds to the standard tape-and-reel packaging configuration required for automated assembly processes. Confirm that the RoHS compliance status aligns with environmental regulations applicable to your manufacturing region. Ensure the ordering quantity matches the manufacturer's standard reel size to avoid partial reel handling fees or availability issues during procurement.

Selection Notes

Select this component when circuit design demands both fast switching speeds and inherent avalanche capability within a compact surface-mount footprint. The TO-277A package offers thermal performance advantages over smaller SMD packages while maintaining compatibility with standard pick-and-place equipment. Evaluate the 200 V rating against peak inverse voltage spikes to ensure adequate safety margins for the target application environment.

Part Context

This device belongs to Vishay’s eSMP® series of high-current density surface mount rectifiers. The series is engineered for automated placement and meets stringent automotive qualification standards, including AEC-Q101. The TO-277A form factor provides a balance between current handling capacity and board space efficiency, making it suitable for dense PCB layouts in modern electronic devices.

Replacement Considerations

Cross-reference with AU3PD-M3/87A for alternative packaging options. Verify pinout compatibility and thermal resistance values when substituting with other Vishay SMPC-series diodes. Ensure avalanche energy ratings match or exceed original design specifications to maintain system reliability.