1N4099DUR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4099DUR-1/TR is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 6.8 V with a tight tolerance of ±1%. The device is rated for a power dissipation of 500 mW and exhibits a maximum Zener impedance of 200 Ohms. It operates within a reverse leakage current limit of 1 uA and is housed in a surface-mount DO-213AA (SMB) package, supplied in tape and reel format.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a narrow 1% tolerance band
• Optimized for surface-mount assembly via the DO-213AA package
• Ensures low leakage current performance for sensitive circuits

Single Zener Diodes Applications

• Precision voltage reference sources
• Over-voltage protection circuits
• Voltage clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix URTR-1 to confirm the surface-mount DO-213AA configuration and tape-and-reel packaging. Ensure the 1% tolerance requirement aligns with the design specifications, as standard variants may offer wider tolerances. Confirm RoHS compliance status through the official datasheet before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a compact surface-mount solution is required for stable 6.8 V regulation. The 500 mW power rating supports moderate current loads, while the 1% tolerance ensures high accuracy compared to standard 5% devices. Consider the DO-213AA footprint compatibility during PCB layout design.

Single Zener Diodes Part Context

This part belongs to the 1N4099 series of Zener diodes manufactured by Microchip Technology. While the base 1N4099 designation often refers to axial leaded packages like DO-35, the DUR-1 suffix specifically denotes the surface-mount variant. This distinction is critical for ensuring correct physical integration into modern printed circuit boards.

Single Zener Diodes Replacement Considerations

Direct substitutes include other manufacturers' 1N4099DUR-1 equivalents in the DO-213AA package. Verify that replacement parts maintain the 6.8 V nominal voltage, 500 mW power rating, and ±1% tolerance to ensure functional parity.