BZT55C3V9-GS08

Single Zener Diodes Overview

The BZT55C3V9-GS08 is a single silicon Zener diode from the Vishay BZT55-Series, housed in a QuadroMELF (SOD-80) surface-mount package. It provides a nominal Zener voltage of 3.9 V with a ±5% tolerance and operates at a test current of 5 mA. The device supports a maximum power dissipation of 500 mW and features a low reverse leakage current of less than 2 µA. Its dynamic resistance is specified at a maximum of 90 Ω, and it exhibits a negative temperature coefficient ranging from -0.08%/K to -0.05%/K across its operating range.

Single Zener Diodes Feature Summary

• Provides very sharp reverse characteristic for precise voltage regulation
• Features low reverse current level and very high stability
• Designed for low noise operation in sensitive circuits

Single Zener Diodes Applications

• Voltage stabilization

Single Zener Diodes Procurement Notes

Verify that the component matches the specific Vishay General Semiconductor - Diodes Division part number BZT55C3V9-GS08. Confirm the SOD-80 QuadroMELF package type and ensure the electrical parameters align with the official datasheet specifications before integration into production.

Single Zener Diodes Selection Notes

Select this component when a stable 3.9 V reference is required in a compact surface-mount footprint. The BZT55C series offers tighter tolerance compared to standard variants, making it suitable for applications demanding higher precision within the small signal Zener diode category.

Single Zener Diodes Part Context

This device belongs to the BZT55-Series of small signal Zener diodes manufactured by Vishay Semiconductors. The series utilizes the QuadroMELF (SOD-80) glass passivated package, which is designed to save space while maintaining hermetic sealing and high reliability standards for electronic assemblies.

Single Zener Diodes Replacement Considerations

Compatible substitutes within the same family include BZT55B3V9-GS08, which shares identical physical dimensions but offers a tighter ±2% voltage tolerance.