1N5131E3

Single Zener Diodes Overview

The Microchip Technology 1N5131E3 is a single Zener diode voltage regulator designed for through-hole axial mounting. It features a nominal Zener voltage of 320 V with a maximum power dissipation of 5 W and a tolerance of ±5%. The device exhibits a maximum dynamic impedance of 1100 Ohms, ensuring stable regulation under varying current conditions. Operating within a temperature range of -55°C to +175°C junction temperature, it provides robust protection in high-voltage applications requiring reliable voltage reference or clamping capabilities.

Single Zener Diodes Feature Summary

• High voltage regulation capability up to 320 V
• Robust 5 W power dissipation rating
• Wide operating temperature range for harsh environments

Single Zener Diodes Applications

• High-voltage power supply regulation
• Voltage reference circuits
• Overvoltage protection in industrial equipment

Single Zener Diodes Procurement Notes

Verify the specific suffix 'E3' confirms lead-free compliance and RoHS status as per manufacturer documentation. Confirm axial lead form factor matches PCB layout requirements. Ensure thermal management supports 5 W dissipation at expected ambient temperatures. Cross-reference datasheet revisions for any updates to electrical characteristics or mechanical dimensions before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a high-voltage Zener reference is required in a through-hole configuration. The 320 V rating suits applications exceeding standard low-voltage regulator limits. Consider the 1100 Ohm impedance for noise-sensitive designs where lower impedance might be necessary. Verify that the axial package fits the assembly constraints compared to surface-mount alternatives.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family from Microchip Technology, historically associated with ON Semiconductor products acquired by Microchip. The 'E3' suffix typically denotes environmental compliance, specifically lead-free manufacturing processes. It serves as a discrete semiconductor solution for voltage stabilization in analog and power circuits.

Single Zener Diodes Replacement Considerations

Direct substitutes include other 320 V, 5 W axial Zener diodes from manufacturers like Vishay or Littelfuse, provided pinout and thermal ratings match. Verify equivalent dynamic impedance and tolerance levels to ensure circuit performance remains unaffected during replacement.