1N4479C

Single Zener Diodes Overview

The Microchip Technology 1N4479C is a 1.5 W glass Zener diode with a nominal voltage of 39 V and ±2% tolerance. It features a maximum impedance of 30 Ohms and reverse leakage current of 50 nA at 31.2 V. The forward voltage is 1.5 V at 1 A. Housed in the DO-41 axial through-hole package, it operates within standard temperature ranges.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with tight tolerance for stable reference applications
• Utilizes glass encapsulation for enhanced environmental durability and reliability
• Designed for through-hole mounting to support robust circuit board integration

Single Zener Diodes Applications

• Voltage regulation circuits requiring stable reference levels
• Overvoltage protection systems
• Clipping and clamping applications in signal processing

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized Microchip distributors or direct channels. Confirm lot traceability and compliance documentation prior to acquisition. Ensure storage conditions align with manufacturer specifications to maintain device integrity during handling and assembly processes.

Single Zener Diodes Selection Notes

Select this component when a 39 V Zener voltage with high precision is required. The DO-41 package suits through-hole designs. Consider thermal management for 1.5 W dissipation. Verify that the 30 Ohm impedance meets circuit sensitivity requirements compared to lower impedance alternatives.

Single Zener Diodes Part Context

This part belongs to the 1N4479 series of glass Zener diodes manufactured by Microchip Technology. It shares the base electrical characteristics with military-grade variants like JAN1N4479 but differs in qualification standards. The series is designed for general-purpose voltage regulation tasks.

Single Zener Diodes Replacement Considerations

JAN1N4479C offers equivalent electrical performance with military qualification standards.