JANTXV1N4979

Single Zener Diodes Overview

The JANTXV1N4979 is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 75 V with a tolerance of ±5%. The device supports a maximum 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 2 µA at 56 V, a Zener impedance of 55 Ohms, and a forward voltage of 1.5 V at 1 A. The component utilizes an axial through-hole package configuration.

Single Zener Diodes Feature Summary

• Military-grade qualification compliant with MIL-PRF-19500/356 standards
• Extended operational temperature capability up to +175°C
• High power dissipation rating of 5 W for robust voltage regulation

Single Zener Diodes Applications

• Military electronic systems requiring high reliability
• Aviation avionics circuits
• Spacecraft power management units

Single Zener Diodes Procurement Notes

Verify the specific revision level and lot traceability documentation upon order confirmation. Ensure that the procurement channel provides valid military certification papers consistent with MIL-PRF-19500/356 requirements. Confirm that the delivered components match the exact JANTXV1N4979 designation to guarantee compliance with intended defense or aerospace specifications.

Single Zener Diodes Selection Notes

Select this component when a 75 V reference is required in harsh environments. The axial leaded format facilitates manual insertion or standard through-hole automated assembly. Consider the thermal management implications of the 5 W dissipation rating during circuit layout design to maintain junction temperatures within the specified operational limits.

Single Zener Diodes Part Context

This part belongs to the 1N4979 series of Zener diodes produced by Microchip Technology. The JANTXV suffix indicates a specific military grade variant offering enhanced screening and reliability compared to commercial equivalents. It serves as a specialized voltage reference solution for critical infrastructure where standard industrial components are insufficient.

Single Zener Diodes Replacement Considerations

JAN1N4979, JAN1N4979C, JAN1N4979D, JANTX1N4979, JANTX1N4979/TR, JANTX1N4979C, JANTX1N4979D