JANTXV1N4123UR-1

Single Zener Diodes Overview

The JANTXV1N4123UR-1 is a Zener diode manufactured by Microchip Technology, designed for surface-mount applications in the DO-213AA-2 package. It functions as a round-end voltage regulator with a nominal Zener voltage of 39V and a Zener impedance of 200 Ohms. The device supports an operating temperature range from -65°C to +175°C and features a single configuration. It has a power dissipation rating of 500 mW and a test current of 250 uA.

Single Zener Diodes Feature Summary

• Hermetically sealed construction suitable for harsh environments
• High-temperature operation capability up to 175°C
• Surface-mount design in a compact MELF-style package

Single Zener Diodes Applications

• Military aerospace electronic systems
• Spacecraft power regulation circuits
• High-reliability industrial control equipment

Single Zener Diodes Procurement Notes

Verify the specific revision level and lot traceability documentation upon receipt. Confirm that the component meets all applicable military specifications and quality standards required for your system integration. Ensure proper handling procedures are followed due to the sensitive nature of hermetically sealed semiconductor devices.

Single Zener Diodes Selection Notes

Select this component when high reliability and radiation hardness are critical requirements. The wide temperature range makes it suitable for extreme environmental conditions where standard commercial parts would fail. Consider the package size constraints and thermal management needs of the target application during circuit design.

Single Zener Diodes Part Context

This part belongs to the JAN series of microelectronic devices produced under strict military quality controls. It represents a transition from traditional axial leaded packages to surface-mount technology while maintaining the ruggedness required for defense and space applications. The UR suffix indicates the specific surface-mount variant within the broader 1N4123 family.

Single Zener Diodes Replacement Considerations

Direct substitutes include other hermetically sealed Zener diodes with identical 39V ratings and DO-213AA-2 footprints. Verify pinout compatibility and electrical parameters before substitution. Cross-reference with MIL-PRF-19500 specifications for equivalent performance levels.