1N4370

Single Zener Diodes Overview

The Microchip Technology 1N4370 is a silicon voltage regulator diode designed for through-hole mounting in the DO-204AH (DO-35) axial glass package. It provides a nominal Zener voltage of 2.4 V with a maximum impedance of 30 Ohms and a power dissipation rating of 500 mW. The device operates within an extended temperature range from -65°C to +175°C, featuring a maximum reverse leakage current of 100 µA at 1 V and a forward voltage drop of 1.1 V at 200 mA.

Single Zener Diodes Feature Summary

• Extended operating temperature capability suitable for harsh environments
• High reliability construction using axial glass encapsulation
• Low impedance characteristics for stable voltage regulation

Single Zener Diodes Applications

• Precision voltage reference circuits
• Overvoltage protection stages
• Temperature compensated bias networks

Single Zener Diodes Procurement Notes

Verify the specific suffix designation when ordering, as variants such as JAN or e3 indicate distinct qualification levels or material compositions. Confirm RoHS compliance status based on the exact part number variant selected. Ensure the procurement channel sources directly from authorized distributors to guarantee authenticity and traceability for critical applications.

Single Zener Diodes Selection Notes

Select this component for designs requiring a low-voltage reference point with high thermal stability. The DO-35 package offers robust mechanical integrity for standard PCB assembly processes. Evaluate the 500 mW power dissipation limit against expected load currents to ensure safe operation across the full specified temperature range without derating issues.

Single Zener Diodes Part Context

This component belongs to the established 1N4370 series of Zener diodes manufactured by Microchip Technology. The series utilizes standardized MIL-PRF-19500 specifications for certain qualified variants, ensuring consistency with legacy aerospace and military electronic designs while maintaining modern manufacturing quality standards.

Single Zener Diodes Replacement Considerations

Direct substitutes include the 1N4370A-1 and 1N4370A/TR variants which share identical electrical parameters and physical dimensions.