1N5263A

Single Zener Diodes Overview

The Microchip Technology 1N5263A is a silicon Zener diode housed in a hermetically sealed glass DO-35 (DO-204AH) axial leaded package. It provides a nominal Zener voltage of 56V with a tolerance of 10%. The device is rated for a maximum power dissipation of 0.48W and operates within a temperature range of -65°C to +175°C. It features a single diode configuration with two terminals, designed for through-hole mounting.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction for environmental protection
• Wide operating temperature range suitable for harsh conditions
• Standard axial leaded package for reliable through-hole integration

Single Zener Diodes Applications

• Voltage regulation circuits
• Overvoltage protection
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific suffix requirements against the official datasheet to ensure correct tolerance and screening levels. Confirm RoHS compliance status as military variants may differ from commercial equivalents. Check for any recent PCN notifications regarding assembly site or packaging changes before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a stable 56V reference is required in high-reliability applications. Ensure the circuit design accommodates the 10% voltage tolerance and 0.48W power rating. Verify that the thermal management strategy supports operation up to the maximum junction temperature specified in the technical documentation.

Single Zener Diodes Part Context

This part belongs to the popular 1N5221 through 1N5281B series of 0.5 watt Zener Voltage Regulators. These components are widely used in standard electronic designs requiring precise voltage control. The series offers various voltage options and tolerances, making it a versatile choice for general-purpose regulation tasks.

Single Zener Diodes Replacement Considerations

Direct substitutes include other 1N5263A variants from different manufacturers that meet the same electrical specifications. Cross-reference with 1N5263B if tighter 5% tolerance is acceptable. Ensure pinout and package dimensions match the existing PCB layout.