1N4125UR-1

Single Zener Diodes Overview

The Microchip Technology 1N4125UR-1 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 47 V with a tolerance of 5 percent and a maximum power dissipation of 500 mW. The device operates within an extended temperature range from -65 °C to +175 °C junction temperature. Key electrical characteristics include a Zener impedance of 250 Ohms, a test current of 250 uA, and a Zener current of 8.1 mA. The component utilizes a DO-213AA-2 surface-mount package.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a 47 V nominal breakdown voltage
• Supports high-temperature operation up to 175 °C junction temperature
• Utilizes a compact surface-mount DO-213AA-2 package design

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Voltage clamping applications in harsh environments

Single Zener Diodes Procurement Notes

Verify the specific suffix UR-1 against official Microchip documentation to confirm package type and compliance status. Ensure that the required operating temperature range aligns with the specified -65 °C to +175 °C limits. Confirm RoHS non-compliance requirements prior to integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a 47 V regulation point is required in a surface-mount form factor. Consider the 500 mW power dissipation limit and 250 Ohm impedance for circuit stability. Evaluate the extended temperature capability for aerospace or industrial deployments exceeding standard commercial ranges.

Single Zener Diodes Part Context

This part belongs to the Microchip 1N41xx series of round-end voltage regulator diodes. These components are engineered for reliability in demanding electronic systems. The series offers various voltage options within a consistent surface-mount footprint, facilitating design flexibility across different regulatory requirements.

Single Zener Diodes Replacement Considerations

Cross-reference with JANS1N4125UR-1 for radiation-hardened variants. Verify pinout compatibility with DO-213AA-2 footprints before substituting other 47 V Zener diodes.