1N6623US

Overview

The Microchip Technology 1N6623US is a high-reliability silicon rectifier diode designed for surface-mount applications. It features an avalanche capability and operates in the D-5A SQ MELF package. The device supports a maximum average forward rectified current of 1 A and withstands a repetitive peak reverse voltage of 800 V. It exhibits a maximum non-repetitive peak surge current of 20 A at 8.3 ms single half-sine-wave. The unit functions within an operating junction and storage temperature range from -65 °C to +150 °C.

Feature Summary

• Hermetically sealed glass encapsulation for environmental protection
• Avalanche rated for robust transient energy handling
• Surface-mount compatible SQ MELF form factor

Applications

• High-reliability aerospace power supplies
• Military-grade rectification circuits
• Harsh environment industrial electronics

Procurement Notes

Verify the specific suffix configuration against official datasheets, as variations exist between bulk and tape-and-reel packaging. Confirm that the procurement channel provides traceable documentation suitable for quality assurance standards. Ensure the component meets all required military or industrial specifications before final integration into the design.

Selection Notes

Select this component when a hermetically sealed, high-voltage rectifier is required for space-constrained surface-mount designs. The D-5A package offers a compact footprint while maintaining high thermal performance. Consider the 800 V rating and 1 A current capacity to ensure adequate headroom for the target application's electrical stress conditions.

Part Context

This part belongs to the 1N66xxUS series of high-reliability rectifiers manufactured by Microchip Technology. These components are engineered for demanding environments where standard commercial parts may fail. The series utilizes advanced silicon planar technology to provide consistent performance across extreme temperature ranges.

Replacement Considerations

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