1N4109UR-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4109UR-1/TR is a single Zener diode designed for surface-mount applications. It features a nominal Zener voltage of 15 V with a 5% tolerance and a maximum reverse leakage current of 50 nA. The device operates within an extended temperature range from -65 °C to +175 °C and dissipates up to 500 mW. Packaged in the DO-213AA-2 (SOD-80) format, it utilizes a test current of 250 µA and exhibits a Zener impedance of 100 ohms.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 15 V level
• Supports high-temperature operation up to +175 °C
• Utilizes a compact surface-mount package for automated assembly

Single Zener Diodes Applications

• Voltage reference circuits
• Overvoltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix against official documentation to confirm tape-and-reel packaging versus bulk supply. Confirm RoHS compliance status and lead times directly with the manufacturer or authorized distributors prior to ordering. Ensure the component meets all environmental and quality standards required for the intended application.

Single Zener Diodes Selection Notes

Select this component when a 15 V regulation point is required in a surface-mount design. Consider the 500 mW power dissipation limit and the -65 °C to +175 °C operating range. Verify that the DO-213AA-2 footprint aligns with the PCB layout constraints and that the 100 ohm impedance suits the circuit requirements.

Single Zener Diodes Part Context

This part belongs to the Microchip 1N41xx series of round-end Zener diodes. These components are engineered for general-purpose voltage regulation and protection tasks. The series offers various voltage options within a standardized small-outline package, facilitating consistent design practices across different product lines.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 15 V Zener diodes in the SOD-80 package. Verify electrical parameters such as Zener voltage tolerance, leakage current, and thermal resistance to ensure functional equivalence.