1N5263

Single Zener Diodes Overview

The Microchip Technology 1N5263 is a silicon unidirectional voltage regulator diode housed in a hermetically sealed glass DO-35 axial package. It provides a nominal Zener voltage of 56 V with a maximum power dissipation of 0.5 W. The device operates within a temperature range of -65°C to +200°C and features a maximum reverse leakage current of 100 nA at the specified test conditions.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for environmental protection
• High thermal stability suitable for extreme operating temperatures
• Low reverse leakage current characteristics

Single Zener Diodes Applications

• Voltage regulation in high-reliability aerospace systems
• Overvoltage protection circuits in military electronics
• Reference voltage generation in harsh environment instrumentation

Single Zener Diodes Procurement Notes

Verify the specific manufacturing lot and traceability documentation required for your application, as this component is often designated for defense or aerospace use. Confirm that the hermetic seal integrity meets your system's environmental qualification standards before integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a hermetically sealed axial leaded package is mandatory for radiation or moisture resistance. Ensure the circuit design accommodates the 0.5 W power rating and the specific 56 V breakdown voltage under expected load conditions.

Single Zener Diodes Part Context

This part belongs to the standard JEDEC registered 1N52xx series of Zener diodes manufactured by Microchip Technology. It serves as a through-hole alternative to surface mount variants like the CDLL5263, offering robust mechanical mounting capabilities for applications requiring durable axial leads.

Single Zener Diodes Replacement Considerations

Direct substitutes include the onsemi 1N5263B-T50R and Microsemi 1N5263DUR-1E3TR, provided the package style and tolerance requirements align with the system design specifications.