1N5271

Single Zener Diodes Overview

The Microchip Technology 1N5271 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 100 V with a maximum power dissipation of 500 mW. The device exhibits a maximum reverse leakage current of 100 nA at 76 V and a Zener impedance of 500 Ohms. It is available in the DO-204AH (DO-35) axial through-hole package, supporting an operating temperature range from -65°C to 175°C junction temperature.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation at a nominal 100 V level
• Capable of handling up to 500 mW of power dissipation
• Constructed for reliable operation across extended industrial temperature ranges

Single Zener Diodes Applications

• Voltage reference circuits requiring high stability
• Overvoltage protection stages in electronic systems
• General-purpose voltage regulation tasks

Single Zener Diodes Procurement Notes

Verify the specific suffix (e.g., A or B) against the design requirements, as tolerance and leakage specifications vary between variants. Confirm availability status directly with authorized distributors, as stock levels fluctuate. Ensure the selected package matches the PCB footprint and that thermal management supports the 500 mW dissipation limit under worst-case conditions.

Single Zener Diodes Selection Notes

Select this component when a precise 100 V reference is needed in a through-hole configuration. Compare the ±10% tolerance variant against tighter ±5% options if higher precision is required. Evaluate the 500 Ohm impedance against circuit sensitivity requirements. Ensure the axial lead form factor fits the assembly constraints compared to surface-mount alternatives.

Single Zener Diodes Part Context

This part belongs to the standard 1N527x series of glass-passivated Zener diodes manufactured by Microchip Technology. These components are widely used in discrete semiconductor designs where robust voltage clamping is necessary. The DO-35 package provides a compact solution for axial mounting, maintaining compatibility with legacy through-hole manufacturing processes.

Single Zener Diodes Replacement Considerations

Microchip Technology 1N5271A serves as a direct substitute with specified tolerance parameters.