BZM55C3V9-TR3

Single Zener Diodes Overview

The BZM55C3V9-TR3 is a small signal Zener diode from Vishay Semiconductors, designed for voltage stabilization in compact electronic circuits. It operates within the MicroMELF (SOD-80) package, offering hermetic sealing and low reverse current levels. The nominal Zener voltage is 3.9 V with a tolerance of ±5%, tested at a current of 5 mA. Maximum power dissipation is 500 mW, supporting junction temperatures up to 175 °C. Dynamic resistance is specified at 90 Ω maximum.

Single Zener Diodes Feature Summary

• Hermetically sealed construction ensuring high stability and reliability
• Very sharp reverse characteristic with low noise performance
• Low reverse leakage current level for efficient operation
• Electrical data identical to BZT55 and TZM series devices

Single Zener Diodes Applications

• Voltage stabilization
• Reference voltage generation
• Overvoltage protection circuits

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm datasheet revision status prior to implementation. Ensure storage conditions comply with moisture sensitivity level requirements. Validate soldering profiles against recommended thermal parameters to maintain package integrity.

Single Zener Diodes Selection Notes

Select this component when space-saving SMD solutions are required alongside hermetic sealing properties. Suitable for applications demanding stable reference voltages with minimal leakage. Consider thermal management constraints given the 500 mW dissipation limit. Verify compatibility with existing PCB footprints designed for the MicroMELF package.

Single Zener Diodes Part Context

Part of the BZM55-Series small signal Zener diodes manufactured by Vishay Semiconductors. Designed as a surface-mount alternative to axial leaded equivalents like the BZT55 and TZM series. Utilizes the MicroMELF glass passivated package for robust environmental protection and consistent electrical performance across temperature ranges.

Single Zener Diodes Replacement Considerations

Direct functional substitutes include BZT55C3V9 and TZM27V variants sharing identical electrical characteristics. Cross-reference package dimensions to ensure mechanical fit within the target assembly.