1N4454UR-1

Single Diodes Overview

The Microchip Technology 1N4454UR-1 is a high-reliability silicon planar Zener diode designed for voltage regulation and reference applications. It features a hermetically sealed DO-213AA (SMB) surface-mount package, ensuring robust performance in demanding environments. The device provides stable Zener voltage characteristics with low impedance, making it suitable for precision circuits. Its construction supports operation under rigorous thermal and mechanical stress conditions typical of aerospace and military systems.

Single Diodes Feature Summary

• Hermetically sealed construction for environmental protection
• High-reliability silicon planar design
• Stable voltage regulation characteristics

Single Diodes Applications

• Aerospace voltage regulation
• Military circuit protection
• Precision voltage references

Single Diodes Procurement Notes

Verify the specific Zener voltage tolerance and test conditions against the official Microchip datasheet for the 1N4454UR-1. Confirm that the DO-213AA package dimensions match your PCB footprint requirements. Ensure procurement channels provide traceability documentation required for high-reliability applications. Check for any specific handling instructions related to ESD sensitivity during assembly.

Single Diodes Selection Notes

Select this component when hermetic sealing and high reliability are critical for the application environment. Consider the SMB package size constraints and thermal dissipation capabilities. Verify that the Zener voltage range aligns with the circuit's regulation needs. Evaluate the cost implications of high-reliability components versus standard commercial grades.

Single Diodes Part Context

This part belongs to Microchip's family of high-reliability Zener diodes. These components are engineered for sectors requiring stringent quality standards, such as defense and space exploration. The 1N4454UR-1 variant specifically utilizes a surface-mount form factor to facilitate automated assembly processes while maintaining ruggedness.

Single Diodes Replacement Considerations

Consult Microchip's official cross-reference guides for verified equivalents. Ensure any substitute maintains the same hermetic seal and package type. Verify electrical parameters match exactly to avoid circuit modification.