1N4463US/TR

Single Zener Diodes Overview

The Microchip Technology 1N4463US/TR is a surface mount Zener voltage regulator with a nominal breakdown voltage of 8.2 V and a maximum power dissipation of 1.5 W. It features a dynamic impedance of 3 Ohms at a test current of 31 mA, with a maximum reverse leakage current of 0.5 µA. The device operates within a junction temperature range of -65°C to +175°C and utilizes a voidless hermetically sealed glass package.

Single Zener Diodes Feature Summary

• Military qualified per MIL-PRF-19500/406 for high-reliability applications
• Hermetically sealed void-less glass construction with internal metallurgical bonds
• Triple-layer passivation for robust protection

Single Zener Diodes Applications

• Voltage regulation in critical military systems
• High-reliability electronic circuits requiring radiation hardness
• Equipment where component failure cannot be tolerated

Single Zener Diodes Procurement Notes

Verify the specific reliability level (JAN, JANTX, JANTXV, or JANS) required for your application, as the base part number covers multiple qualification tiers. Confirm RoHS compliance status if environmental regulations apply, noting that compliant versions are typically commercial grade only. Ensure the tape and reel packaging meets EIA-481-B standards for your assembly line.

Single Zener Diodes Selection Notes

Select this component when a 1.5 W surface mount Zener diode with strict military qualification is necessary. Consider the 8.2 V nominal voltage and 3 Ohm dynamic impedance for precise regulation needs. Evaluate the -65°C to +175°C operating range against your thermal environment requirements.

Single Zener Diodes Part Context

This device belongs to the 1N4460US through 1N4496US series of industry-recognized 1.5 W Zener regulators. These components are designed as surface mount equivalents to popular JEDEC registered axial-lead series, offering voidless hermetic sealing and robust construction suitable for demanding environments.

Single Zener Diodes Replacement Considerations

Direct replacements include other parts from the 1N4460US–1N4496US series with matching voltage ratings. Verify that any substitute maintains the required MIL-PRF-19500/406 qualification level and hermetic seal integrity.