JANTXV1N4957C

Single Zener Diodes Overview

The JANTXV1N4957C is a high-reliability Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 9.1 V with a tight tolerance of 2%. The device is rated for a power dissipation of 5 W and operates within an extended temperature range from -65 °C to +175 °C. Key electrical characteristics include a maximum reverse leakage current of 25 µA, a Zener impedance of 2 Ohms, and a test current of 150 mA. The component utilizes an axial leaded package suitable for through-hole mounting.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a 2% tolerance at 9.1 V
• Engineered for extreme thermal environments operating up to 175 °C
• Constructed for high reliability in radiation-hardened applications

Single Zener Diodes Applications

• Military aerospace power supply regulation
• Radiation-hardened electronic circuit protection
• High-temperature industrial control systems

Single Zener Diodes Procurement Notes

Verify the specific suffix 'JANTXV' confirms the required military grade and radiation hardness level. Confirm that the 2% voltage tolerance meets strict design specifications. Ensure the axial package style aligns with the target printed circuit board layout requirements.

Single Zener Diodes Selection Notes

Select this component when standard commercial diodes fail under high radiation or extreme heat. The 5 W power rating supports robust voltage clamping. Verify compatibility with existing axial footprint designs requiring high thermal stability.

Single Zener Diodes Part Context

This part belongs to the JAN series of Zener diodes designed for defense and space applications. It offers superior performance compared to commercial equivalents, specifically regarding radiation tolerance and wide temperature operation capabilities.

Single Zener Diodes Replacement Considerations

Direct substitutes include other JAN-series Zener diodes with identical 9.1 V ratings and 2% tolerances. Verify package dimensions and pinout compatibility before integration.