1N4625D

Single Zener Diodes Overview

The Microchip Technology 1N4625D is a single silicon Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 5.1 V with a tight tolerance of ±1%. The device operates in the DO-35 axial leaded glass package, providing a maximum power dissipation of 500 mW. Key electrical parameters include a maximum dynamic impedance of 1500 Ohms and a maximum reverse leakage current of 5 µA at 3 V. It supports an extended operating temperature range from -65°C to +175°C.

Single Zener Diodes Feature Summary

• Hermetically sealed glass axial-leaded construction for environmental protection
• Tight voltage tolerance of ±1% for precision regulation requirements
• Extended high-temperature operational capability up to 175°C

Single Zener Diodes Applications

• Precision voltage reference circuits
• Over-voltage protection stages
• Low-noise voltage regulation systems

Single Zener Diodes Procurement Notes

Verify the specific suffix 'D' indicates the required ±1% tolerance level against standard commercial variants. Confirm hermetic sealing requirements align with MIL-PRF-19500 standards if applicable. Ensure the DO-35 package dimensions fit the target PCB layout constraints before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when strict voltage accuracy is critical compared to standard 5% tolerance parts. The DO-35 package suits through-hole mounting designs requiring robust mechanical stability. Consider the thermal management capabilities provided by the glass encapsulation for high-reliability environments.

Single Zener Diodes Part Context

This part belongs to the 1N4625 series of low-noise Zener diodes manufactured by Microchip Technology. The series offers various tolerance options, with the 'D' suffix specifically denoting the tighter ±1% specification. These components are widely used in aerospace and military electronics due to their reliability and performance characteristics.

Single Zener Diodes Replacement Considerations

JANTX1N4625D-1

Single Zener Diodes FAQ

What does the 'D' suffix indicate in the part number?

The 'D' suffix specifies a voltage tolerance of ±1%, which is tighter than the standard ±5% tolerance found in other variants.

Is the 1N4625D hermetically sealed?

Yes, the device utilizes a hermetically sealed glass DO-35 package to ensure reliability in harsh environments.