JANTXV1N4955DUS

Single Zener Diodes Overview

The JANTXV1N4955DUS is a high-reliability Zener diode manufactured by Microchip Technology. It features a nominal Zener voltage of 7.5 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 100 µA at 5.7 V and a maximum Zener impedance of 1.5 Ω. The component utilizes a surface-mount SQ-MELF package, designated as D-5B, suitable for rugged environments.

Single Zener Diodes Feature Summary

• Military qualification compliant with MIL-PRF-19500/356 standards
• Hermetically sealed voidless glass construction for environmental protection
• Extended thermal stability supporting operation up to 175 °C
• High-power handling capability rated at 5 W

Single Zener Diodes Applications

• High-reliability aerospace electronic systems
• Military-grade voltage regulation circuits
• Harsh environment power supply protection
• Critical infrastructure backup power conditioning

Single Zener Diodes Procurement Notes

Verify the specific suffix 'DUS' against the official Microchip datasheet to confirm the exact package variant and screening level. Ensure procurement channels provide valid traceability documentation required for military specifications. Confirm that the hermetic seal integrity meets the necessary environmental standards for the intended deployment. Cross-reference the manufacturer lot codes with current production notices to ensure compliance with recent packaging changes.

Single Zener Diodes Selection Notes

Select this component when a 5 W surface-mount Zener diode is required for applications demanding extreme temperature resilience and long-term reliability. The hermetic glass package offers superior protection against moisture and contaminants compared to standard plastic packages. Consider the physical dimensions of the SQ-MELF form factor during PCB layout to ensure adequate clearance and thermal management. Verify that the 7.5 V regulation point aligns precisely with the circuit design requirements.

Single Zener Diodes Part Context

This part belongs to the 1N4955 series of 5-watt Zener voltage regulators produced by Microchip's Scottsdale Division. The series is characterized by its voidless-hermetically-sealed glass package designed for surface-mount technology. These devices are engineered specifically for high-reliability sectors where standard commercial components would fail due to environmental stress or longevity requirements.

Single Zener Diodes Replacement Considerations

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