JANTX1N4473CUS

Single Zener Diodes Overview

The JANTX1N4473CUS is a Zener diode manufactured by Microsemi Corporation, designed for voltage regulation applications. It features a nominal Zener voltage of 22V with a power dissipation rating of 1.5W. The component utilizes the D5A surface-mount package and operates within an extended temperature range from -65°C to +175°C. It exhibits a Zener impedance of 10 ohms and maintains a voltage tolerance of 5%. The device is configured as a single unit and supports a maximum reverse leakage current of 200 nA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 22V potential
• Engineered for high-temperature operation up to 175°C
• Utilizes compact D5A surface-mount packaging

Single Zener Diodes Applications

• Voltage regulation in harsh environments
• Overvoltage protection circuits
• Reference voltage generation in aerospace systems

Single Zener Diodes Procurement Notes

Verify the specific suffix 'CUS' against official Microchip documentation to confirm exact mechanical dimensions and testing standards. Ensure compatibility with D5A footprints during PCB layout. Confirm RoHS status and lead-free compliance requirements prior to integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a 22V regulation point is required in space-constrained designs. The D5A package offers a balance between thermal performance and board area efficiency. Consider the 1.5W power rating for thermal management calculations in enclosed enclosures.

Single Zener Diodes Part Context

This part belongs to the JANTX series of radiation-hardened or high-reliability Zener diodes produced by Microsemi. These components are typically utilized in military, aerospace, and industrial sectors where standard commercial parts may not meet stringent environmental or reliability specifications.

Single Zener Diodes Replacement Considerations

Consult official cross-reference guides for verified substitutes. Generic equivalents may lack the specific reliability qualifications or precise electrical tolerances required for critical applications.