1N4572-1/TR

Single Zener Diodes Overview

The Microchip Technology 1N4572-1/TR is a temperature-compensated Zener reference diode with a nominal voltage of 6.4 V. It utilizes a DO-35 (DO-204AH) glass axial-leaded package and features an internal metallurgical bond, indicated by the -1 suffix. The device operates at a test current of 1 mA with a maximum power dissipation of 500 mW. It exhibits a low voltage temperature coefficient of 0.13 mV/°C and maintains operation within a temperature range of -55°C to +100°C.

Single Zener Diodes Feature Summary

• Temperature compensated design for minimal voltage change across operating temperatures
• Internal metallurgical bond construction for enhanced mechanical stability
• Low voltage temperature coefficient ensuring high precision reference performance

Single Zener Diodes Applications

• Precision voltage reference circuits
• Temperature compensated regulator designs
• High-stability analog signal conditioning

Single Zener Diodes Procurement Notes

Verify the specific suffix configuration against official datasheets to confirm the presence of the internal metallurgical bond (-1) and tape-and-reel packaging (/TR). Ensure compatibility with required voltage tolerance and temperature coefficient specifications before integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a stable 6.4 V reference with tight thermal drift characteristics is required. The DO-35 through-hole package suits standard PCB layouts, while the metallurgical bond provides robustness for demanding environments compared to standard glass junctions.

Single Zener Diodes Part Context

This part belongs to the 1N4565 through 1N4584A series of Zero-TC Reference Diodes. These devices are designed to provide a selection of nominal voltages with extremely low temperature coefficients, making them suitable for applications requiring high accuracy over wide temperature ranges.

Single Zener Diodes Replacement Considerations

Consult manufacturer documentation for qualified military equivalents such as JANTX1N4572A-1 or surface mount variants like UR-1 suffixes. Verify pinout and electrical parameters match exactly before substituting.