1N3826AUR-1/TR

Single Zener Diodes Overview

The 1N3826AUR-1/TR is a surface-mount Zener diode manufactured by Microchip Technology. It features a nominal voltage of 5.1 V with a tolerance of ±5% and a maximum power dissipation of 1.5 W. The device utilizes a DO-213AB (MELF, LL41) glass package. Electrical characteristics include a maximum impedance of 7 Ohms, reverse leakage current of 10 µA at 1 V, and forward voltage of 1.2 V at 200 mA. It operates within a temperature range of -65°C to 175°C.

Single Zener Diodes Feature Summary

• Double plug construction for enhanced reliability
• Leadless surface mount design in a MELF glass package
• Metallurgically bonded structure

Single Zener Diodes Applications

• Voltage regulation in aerospace systems
• Overvoltage protection in defense electronics
• Reference voltage sources in military circuits

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1/TR against the datasheet to confirm the reel quantity and tape specifications. Ensure the DO-213AB package orientation matches the PCB footprint. Confirm that the ±5% tolerance meets the circuit requirements. Check for any recent PCN regarding assembly site or label changes before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a robust, leadless surface-mount Zener diode is required for high-reliability applications. The 1.5 W power rating supports higher energy dissipation compared to standard 1 W variants. The wide operating temperature range makes it suitable for extreme environmental conditions found in industrial and military sectors.

Single Zener Diodes Part Context

This part belongs to the 1N3821AUR-1 through 1N3828AUR-1 series of Zener diodes. These devices are designed for surface-mount applications and offer a compact alternative to axial leaded packages while maintaining similar electrical performance profiles. The series is characterized by its double plug construction and metallurgical bonding.

Single Zener Diodes Replacement Considerations

The 1N3826AUR-1 is listed as a parameter-equivalent substitute. Verify pinout compatibility and thermal resistance differences when replacing axial leaded versions like the 1N3826C-1.