1N4694UR-1

Single Zener Diodes Overview

The 1N4694UR-1 is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation and overvoltage protection. It features an 8.2 V nominal Zener voltage with a ±5% tolerance. The device supports a power dissipation of 500 mW and operates in the SMD/SMT mounting style within a DO-213AA-2 package. Key electrical characteristics include a maximum reverse leakage current of 1 µA. The component is supplied in bulk packaging and has a unit weight of 40 mg.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 8.2 V level
• Designed for surface mount assembly using the DO-213AA-2 footprint
• Capable of handling 500 mW power dissipation for circuit protection

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Overvoltage protection for sensitive components
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify RoHS compliance status as sources indicate non-compliance. Confirm package type is DO-213AA-2 and power rating is 500 mW. Check if the specific suffix UR-1 differs from TR variants regarding tape and reel packaging. Ensure the manufacturer is identified as Microchip Technology or its predecessor Micrel.

Single Zener Diodes Selection Notes

Select this component when a precise 8.2 V reference is required in a compact surface mount form factor. The DO-213AA-2 package suits space-constrained designs. Consider the 500 mW power limit for thermal management. Verify that the ±5% voltage tolerance meets the circuit requirements compared to tighter tolerance alternatives.

Single Zener Diodes Part Context

This part belongs to the Microchip Technology single Zener diode series. It falls under the broader category of diodes and rectifiers. The 1N4694 designation typically corresponds to standard Zener voltage ratings, while the UR-1 suffix specifies the specific packaging and manufacturing configuration for this surface mount variant.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Variants such as 1N4694UR-1/TR exist but differ in packaging (tape and reel vs. bulk). Cross-referencing requires verifying identical voltage, power, and package specifications.