1N4105UR-1/TR

Single Zener Diodes Overview

The 1N4105UR-1/TR is a single Zener diode manufactured by Microchip Technology, designed for surface-mount applications. It features a nominal Zener voltage of 11 V with a tolerance of ±5%. The device has a maximum power dissipation of 500 mW and operates within a temperature range of -65 °C to +175 °C. It utilizes the DO-213AA (LL-34) glass MELF package. The reverse leakage current is specified at 50 nA. This component is part of the metallurgically bonded glass surface mount series.

Single Zener Diodes Feature Summary

• Metallurgically bonded glass construction for reliability
• Surface-mount DO-213AA package design
• High operating temperature capability up to 175 °C

Single Zener Diodes Applications

• Voltage regulation circuits
• Overvoltage protection
• Reference voltage sources

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1/TR against the manufacturer's datasheet DS00006237 to confirm package type and electrical tolerances. Ensure compatibility with surface-mount assembly processes. Check for RoHS compliance status as indicated in official documentation. Confirm availability through authorized distributors given potential supply constraints.

Single Zener Diodes Selection Notes

Select this component when a 11 V Zener reference is required in a compact surface-mount form factor. The DO-213AA package suits automated placement. Consider the 500 mW power rating for thermal management. Verify that the ±5% voltage tolerance meets circuit precision requirements. Ensure the wide temperature range fits the operational environment.

Single Zener Diodes Part Context

This part belongs to Microchip's family of single Zener diodes in glass MELF packages. These devices are known for hermetic sealing and robust performance in harsh environments. The 1N4105 variant specifically provides an 11 V breakdown voltage. Similar parts in the series include different voltage ratings within the same physical package.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 11 V Zener diodes in DO-213AA packages. Verify pinout compatibility and thermal characteristics. Ensure equivalent power dissipation and leakage current specifications. Check for identical mounting dimensions to fit existing PCB footprints.