1N4122UR/TR

Single Zener Diodes Overview

The 1N4122UR/TR is a Zener diode manufactured by Microchip Technology, featuring a nominal voltage of 36V with a 5% tolerance. It operates in a unidirectional configuration within the DO-213AA (MLL34/MELF-2) package. The device supports a maximum power dissipation of 0.5W and maintains a dynamic impedance of 200 ohms. It is designed for high-temperature environments, functioning reliably between -65°C and +175°C junction temperature.

Single Zener Diodes Feature Summary

• Hermetically sealed glass encapsulation for environmental protection
• Metallurgically bonded construction for structural integrity
• High thermal stability suitable for extreme operating conditions

Single Zener Diodes Applications

• Voltage regulation in harsh industrial environments
• Overvoltage protection circuits requiring hermetic sealing
• Military and aerospace electronic systems

Single Zener Diodes Procurement Notes

Verify that the specific suffix UR/TR corresponds to the required tape-and-reel packaging format and MELF-2 leaded variant. Confirm compliance requirements as the component is explicitly noted as non-RoHS compliant. Ensure procurement channels provide valid traceability documentation for this hermetically sealed semiconductor device.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed Zener diode is required for high-reliability applications. The MELF-2 package offers robustness against mechanical stress compared to standard plastic packages. Consider the 36V breakdown voltage and 0.5W power rating to ensure compatibility with circuit design constraints.

Single Zener Diodes Part Context

This part belongs to the 1N4122 series of Zener diodes produced by Microchip Technology. It shares characteristics with other variants in the family but is distinguished by its specific surface-mount MELF-2 package and hermetic sealing properties. The device serves as a specialized regulator for demanding operational scenarios.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.