JANTX1N4471DUS/TR

Single Zener Diodes Overview

The JANTX1N4471DUS/TR is a military-qualified Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 18 V with a 5% tolerance and a maximum power dissipation of 1.5 W. The device utilizes a surface-mount SQ-MELF (D-5A) package and operates within a junction temperature range of -65°C to +175°C. Key electrical characteristics include a reverse leakage current of 50 nA at 16 V, a forward voltage of 1.5 V at 1 A, and a Zener impedance of 11 Ohms.

Single Zener Diodes Feature Summary

• Military-grade reliability certified under MIL-PRF-19500/406 standards for high-reliability applications
• Hermetically sealed void-less glass construction utilizing internal metallurgical bonding
• Extended thermal performance capability supporting operation up to 175°C junction temperature

Single Zener Diodes Applications

• High-reliability aerospace systems requiring radiation-hardened or robust voltage regulation
• Military electronic equipment where component failure is not tolerated
• Industrial control circuits demanding stable reference voltages in extreme environments

Single Zener Diodes Procurement Notes

Verify the specific suffix DUS/TR against official Microchip documentation to confirm surface-mount configuration and tape-and-reel packaging. Ensure procurement channels are authorized to guarantee authenticity for military-qualified parts. Cross-reference the full part number with the latest datasheet to validate compliance with current manufacturing specifications before finalizing orders.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed, surface-mount Zener diode with 1.5 W power handling is required for harsh environments. The 18 V rating suits specific voltage regulation needs, while the SQ-MELF package facilitates automated assembly. Consider the extended temperature range and military qualification if standard commercial devices lack sufficient durability or reliability margins.

Single Zener Diodes Part Context

This device belongs to the 1N4460US–1N4496US series of 1.5 W glass Zener diodes. The JANTXV prefix indicates a specific military qualification level offering tighter parameter controls than standard JAN versions. These components are designed for critical applications where long-term stability and resistance to environmental stressors are paramount requirements.

Single Zener Diodes Replacement Considerations

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