SZMM5Z3V9T5G

Single Zener Diodes Overview

The SZMM5Z3V9T5G is a single-channel Zener voltage regulator diode manufactured by onsemi. It features a nominal Zener voltage of 3.9 V with a 5% tolerance, tested at 5 mA. The device operates in an SOD-523 surface-mount package with a maximum power dissipation of 200 mW. Key electrical parameters include a maximum reverse leakage current of 3 µA and a Zener impedance of 90 Ω. It supports an operating temperature range from -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation for sensitive circuit components
• Designed for space-constrained applications using compact SMD packaging
• Capable of withstanding high-temperature environments up to 150 °C

Single Zener Diodes Applications

• General-purpose voltage regulation in portable electronics
• Reference voltage generation in battery-powered devices
• Over-voltage protection circuits in consumer hardware

Single Zener Diodes Procurement Notes

Verify the specific suffix T5G against your bill of materials to ensure correct tape-and-reel packaging configuration. Confirm that the 200 mW power rating aligns with your thermal design constraints. Ensure the SOD-523 footprint matches your PCB layout requirements before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 3.9 V reference is required in minimal board space. Compare its 90 Ω impedance against alternatives if low-noise performance is critical. Consider the 200 mW dissipation limit relative to ambient temperatures to prevent thermal derating issues in enclosed designs.

Single Zener Diodes Part Context

This part belongs to the MM5Z series of general-purpose Zener diodes. The series utilizes ultra-small flat lead SMD plastic packages suitable for high-density mounting. It serves as a standard solution for basic voltage clamping and regulation tasks in modern electronic assemblies.

Single Zener Diodes Replacement Considerations

Cross-reference with MM5Z3V9T1G or MM5Z3V9T5G variants within the same manufacturer family. Verify package compatibility and electrical tolerances before substituting.