JANS1N4129UR-1/TR

Single Zener Diodes Overview

The JANS1N4129UR-1/TR is a round-end voltage regulator diode manufactured by Microchip Technology. It features a nominal Zener voltage of 62 V with a maximum impedance of 500 ohms. The device is designed for surface-mount installation in the DO-213AA-2 package, offering a power dissipation rating of 500 mW. It operates within a temperature range of -65°C to +175°C and complies with MIL-PRF-19500/435 standards.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a round-end design suitable for high-reliability applications.
• Engineered for surface-mount technology integration via the DO-213AA-2 package format.
• Capable of sustained operation across an extended industrial and military temperature spectrum.

Single Zener Diodes Applications

• Military aerospace electronic systems requiring qualified components
• High-reliability voltage reference circuits
• Harsh environment protection and regulation modules

Single Zener Diodes Procurement Notes

Verify that the suffix /TR indicates tape-and-reel packaging distinct from bulk variants. Confirm the specific revision level against the latest Microchip datasheet to ensure compatibility with current manufacturing processes. Validate MIL-PRF-19500/435 compliance documentation prior to final procurement authorization.

Single Zener Diodes Selection Notes

Select this component when a 62 V regulation point is required in a compact surface-mount form factor. Ensure the circuit design accommodates the 500 mW thermal dissipation limit. Verify that the 500 ohm impedance aligns with the noise and stability requirements of the target application environment.

Single Zener Diodes Part Context

This part belongs to the JANS series of radiation-hardened and high-reliability semiconductors produced by Microchip. The JANS designation signifies qualification for space and defense environments. It represents a surface-mount evolution of traditional axial leaded Zener diodes, maintaining rigorous performance standards while enabling automated assembly processes.

Single Zener Diodes Replacement Considerations

Direct substitutes include JAN1N4129UR-1 and JANTX1N4129UR-1. Verify pinout compatibility and electrical tolerance specifications before substitution. Alternative packages may require mechanical redesign.