1N5231D-1

Single Zener Diodes Overview

The Microchip Technology 1N5231D-1 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 11 V with a tight tolerance of ±1%. The device supports a maximum power dissipation of 500 mW and operates within an extended junction temperature range from -65°C to +175°C. Packaged in the DO-204AH (DO-35) axial through-hole format, it provides stable reference voltages for precision circuits.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a tight ±1% tolerance on the 11 V nominal rating.
• Capable of handling up to 500 mW of power dissipation for robust performance.
• Engineered for high-temperature reliability with operation extending to +175°C.

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection systems
• Voltage clamping applications

Single Zener Diodes Procurement Notes

Verify the specific suffix '-1' against official datasheets to confirm the ±1% tolerance variant, as standard versions may differ. Ensure the DO-204AH package matches your PCB footprint requirements. Confirm RoHS compliance status directly with the manufacturer or authorized distributors, as historical data indicates variations across production runs.

Single Zener Diodes Selection Notes

Select this component when strict voltage accuracy is required compared to standard ±5% Zener diodes. The wide operating temperature range makes it suitable for harsh environments where standard silicon devices might fail. Verify that the 500 mW power rating aligns with the expected current levels in your specific circuit design to prevent thermal overload.

Single Zener Diodes Part Context

This part belongs to the 1N52xx series of glass-passivated Zener diodes manufactured by Microchip Technology. These components are widely used in general-purpose electronics for providing stable reference voltages. The 1N5231D-1 specifically denotes the 11 V variant with enhanced tolerance specifications compared to the standard B-grade parts.

Single Zener Diodes Replacement Considerations

Public confirmed substitute part numbers include 1N5531D-1 and 1N5531D/TR from Microchip Technology.