1N4127UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4127UR-1 is a glass surface mount Zener diode in the DO-213AA package. It provides a nominal Zener voltage of 56 V with a maximum power dissipation of 500 mW and a tolerance of ±5%. The device features a maximum impedance of 300 Ohms and operates within a junction temperature range of -65°C to 175°C. Reverse leakage current is specified at 10 nA when tested at 42.6 V, while forward voltage drop is 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Internal metallurgical bonding between metal slugs and silicon die for enhanced reliability
• Surface mount equivalent of JEDEC registered 1N4614 through 1N4627 series
• Glass encapsulation suitable for high-reliability applications

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• High-reliability aerospace and defense systems
• Temperature compensated reference circuits

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the presence of internal metallurgical bonding if high reliability is required. Ensure the DO-213AA package dimensions match design constraints. Validate that the 56 V rating aligns with circuit requirements before integration.

Single Zener Diodes Selection Notes

Select this component for applications requiring a 56 V Zener reference in a compact surface mount form factor. The DO-213AA package offers a direct replacement for traditional axial leads. Consider the 500 mW power rating and 300 Ohm impedance when designing bias networks. The wide operating temperature range supports demanding environmental conditions.

Single Zener Diodes Part Context

This part belongs to the 1N4614UR through 1N4627UR series of 0.5 watt glass surface mount Zener diodes manufactured by Microchip Technology. The series covers voltages from 18 V to 100 V in standard 5% tolerances. The -1 suffix indicates availability with an internal-metallurgical-bond option for improved structural integrity compared to standard commercial versions.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include JANS1N4127CUR-1, JANS1N4127DUR-1, and JANTX1N4127DUR-1. These variants offer similar electrical characteristics but may differ in screening levels or packaging configurations such as waffle packs versus bulk.