1N2129R

Single Diodes Overview

The Microchip Technology 1N2129R is a high-reliability silicon planar Zener diode designed for demanding electronic applications. It features a hermetically sealed glass passivated junction to ensure long-term stability and robust performance under harsh environmental conditions. The device operates as a voltage reference or regulator, maintaining a stable output voltage across specified current ranges. Its construction supports reliable operation in military, aerospace, and industrial sectors where component failure is not an option.

Single Diodes Feature Summary

• Hermetically sealed glass passivated junction for enhanced environmental resistance
• High-reliability design suitable for critical mission applications
• Stable voltage regulation characteristics over temperature variations

Single Diodes Applications

• Military avionics systems requiring radiation-hardened components
• Aerospace power supply voltage references
• Industrial control systems with strict reliability standards

Single Diodes Procurement Notes

Verify the specific revision level and lot traceability documentation upon order confirmation. Ensure that the procurement channel provides full chain-of-custody records required for defense or aerospace contracts. Confirm that the delivered units match the exact part number suffixes specified in the purchase order to avoid compatibility issues with existing assemblies.

Single Diodes Selection Notes

Select this component when hermetic sealing and proven reliability are mandatory requirements. Evaluate thermal management needs based on the package's power dissipation capabilities. Consider the operating temperature range and voltage tolerance specifications to ensure alignment with the system's operational envelope and safety margins.

Single Diodes Part Context

This part belongs to Microchip's portfolio of high-reliability discrete semiconductors. It is engineered to meet stringent quality standards such as MIL-PRF-19500. The 1N series designation indicates its classification within standard Zener diode families, adapted for superior durability and consistent electrical performance in extreme environments.

Single Diodes Replacement Considerations

Direct replacements must match the hermetic seal specification and pinout configuration. Verify that substitute parts meet the same reliability qualification standards. Cross-reference with other manufacturers' MIL-spec equivalents only if they provide identical electrical parameters and physical dimensions.