1N4126UR

Single Zener Diodes Overview

The Microchip Technology 1N4126UR is a surface-mount Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 51V and a dynamic impedance of 300 Ohms. The component utilizes the DO-213AA-2 package, suitable for SMD/SMT mounting. It has a power dissipation rating of 500 mW and operates within a temperature range defined by its standard commercial classification.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 51V reference level
• Constructed with a round-end glass body design for surface mount integration
• Features internal metallurgical bonding options available in specific suffix variants

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Clamping applications in signal conditioning

Single Zener Diodes Procurement Notes

Verify the exact ordering suffix to confirm functional variations such as metallurgical bonding or military qualification levels. Confirm RoHS compliance status as indicated in product specifications. Ensure the DO-213AA-2 footprint matches the target PCB layout requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 51V Zener voltage with 300 Ohm impedance is required in a compact surface-mount form factor. Consider the 500 mW power dissipation limit during thermal analysis. Evaluate alternative suffixes if specific environmental qualifications or bonding technologies are mandated by the system design.

Single Zener Diodes Part Context

This device belongs to the 1N4099UR through 1N4135UR series of glass surface mount Zener diodes manufactured by Microsemi (now Microchip). These components serve as surface-mount equivalents to traditional JEDEC registered axial-leaded parts, offering similar electrical characteristics in a modern packaging format for space-constrained designs.

Single Zener Diodes Replacement Considerations

Direct replacements include JAN1N4126UR-1 for qualified variants. Cross-reference with other manufacturers' DO-213AA-2 packaged 51V Zener diodes ensuring identical voltage tolerance and impedance specifications.