1N4621UR

Single Zener Diodes Overview

The Microchip Technology 1N4621UR is a silicon unidirectional voltage regulator diode designed for surface mount applications. It operates within the DO-213AA package and provides a nominal Zener voltage of 6.8 V with a maximum power dissipation of 0.5 W. The component supports an extended operating temperature range from -65 °C to +175 °C, ensuring reliability in demanding environments.

Single Zener Diodes Feature Summary

• Constructed with internal metallurgical bonding for enhanced structural integrity
• Hermetically sealed glass encapsulation for environmental protection
• Qualified for high-reliability military standards including JANS level

Single Zener Diodes Applications

• High-reliability aerospace systems
• Military-grade electronic circuits
• Precision voltage regulation in harsh environments

Single Zener Diodes Procurement Notes

Verify the specific suffix (e.g., UR) against official datasheets to confirm package type and qualification level. Ensure the supplier provides traceability documentation required for military or aerospace procurement. Confirm compliance with relevant export control classifications before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed, surface-mount Zener diode with high thermal stability is required. The DO-213AA package suits automated assembly processes. Consider the 0.5 W power rating and 6.8 V breakdown voltage for precise circuit design needs in extreme temperature conditions.

Single Zener Diodes Part Context

This part belongs to the 1N4614UR through 1N4627UR series of 0.5 W glass surface mount Zener diodes. These devices are manufactured by Microchip Technology and are qualified per MIL-PRF-19500/435. The series offers various voltage options in tight tolerances for critical applications.

Single Zener Diodes Replacement Considerations

Equivalent parts include JANTXV1N4621UR and JANTXV1N4621UR-1. Verify that substitute components match the DO-213AA package and maintain the same voltage tolerance and power dissipation ratings.