SZMMSZ4694T3G

Single Zener Diodes Overview

The SZMMSZ4694T3G is a surface-mount Zener diode from the MMSZ4xxxT1G/SZMMSZ4xxxT1G series, manufactured by onsemi. It provides a nominal reverse Zener voltage of 8.2 V with a tolerance range of 7.79 V to 8.61 V at a test current (IZT) of 50 µA. The device features a maximum reverse leakage current of 1 µA at 6.2 V and operates within a junction temperature range of -55°C to +150°C. It is housed in an SOD-123 package with a total power dissipation rating of 500 mW.

Single Zener Diodes Feature Summary

• SZ prefix indicates qualification for automotive applications requiring unique site and control change requirements, including AEC-Q101 certification and PPAP capability.
• Designed for optimal automated board assembly using a small SOD-123 plastic case suitable for high-density applications.
• Provides ESD protection rated at Class 3 (> 16 kV) per the Human Body Model.

Single Zener Diodes Applications

• Automotive electronic circuits requiring AEC-Q101 qualified components
• Voltage regulation in high-density surface mount designs
• Protection against electrostatic discharge events

Single Zener Diodes Procurement Notes

Verify that the specific ordering suffix matches the required packaging quantity and tape-and-reel specifications. Confirm that the component meets all applicable automotive quality standards and site-specific requirements associated with the SZ prefix designation before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a stable 8.2 V reference is needed in a compact SMD footprint. Ensure the application current remains near the specified 50 µA test condition for accurate voltage regulation. Consider the thermal resistance characteristics if operating near the upper temperature limits.

Single Zener Diodes Part Context

This part belongs to the MMSZ4xxxT1G and SZMMSZ4xxxT1G series of low IZT Zener diodes. These devices serve as alternatives to leadless 34-package styles, offering a convenient surface-mount solution with a wide reverse voltage range spanning from 1.8 V to 43 V across the broader family.

Single Zener Diodes Replacement Considerations

Direct substitutes include MMSZ4694T1G and MMSZ4694T3G. Verify compatibility regarding package dimensions and electrical parameters before substitution.

Single Zener Diodes FAQ

What does the 'SZ' prefix indicate for this component?

The 'SZ' prefix denotes that the device is qualified for automotive and other applications requiring unique site and control change requirements, specifically meeting AEC-Q101 standards and being PPAP capable.

What is the maximum reverse leakage current specified?

The maximum reverse leakage current is 1 µA, measured at a reverse voltage of 6.2 V.