1N4572A-1

Single Zener Diodes Overview

The Microchip Technology 1N4572A-1 is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V and a power dissipation rating of 500 mW. It utilizes the DO-35 (DO-204AH) axial-leaded package and features an internal metallurgical bond, indicated by the -1 suffix. The device operates within a temperature range of -65°C to +175°C and maintains a maximum reverse leakage current of 2 µA at 3 V.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change across operating temperatures
• Internal metallurgical bond construction for enhanced mechanical stability
• Single configuration suitable for precision voltage reference applications

Single Zener Diodes Applications

• Precision voltage reference circuits
• Military and aerospace electronic systems
• High-reliability instrumentation equipment

Single Zener Diodes Procurement Notes

Verify that the part number includes the -1 suffix to confirm the presence of the internal metallurgical bond, which distinguishes it from standard variants. Confirm compliance with MIL-PRF-19500/452 specifications if military qualification is required for the specific application environment.

Single Zener Diodes Selection Notes

Select this component when high thermal stability and mechanical robustness are critical requirements. The internal bond construction provides superior resistance to shock and vibration compared to non-bonded equivalents. Ensure the 500 mW power rating aligns with the circuit's thermal management capabilities.

Single Zener Diodes Part Context

This component belongs to the 1N4565 through 1N4584A-1 series of Zero-TC Reference Diodes manufactured by Microchip Technology. The series offers various operating currents and tight tolerance options centered around the 6.4 V nominal voltage point for stable reference performance.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include JANTX1N4572A-1.