BZX84B39-7-F

Single Zener Diodes Overview

The BZX84B39-7-F is a surface mount precision Zener diode manufactured by Diodes Incorporated. It features a nominal Zener voltage of 39V with a tight tolerance range of 38.2V to 39.8V at a test current of 2.0mA. The device operates within a power dissipation rating of up to 350mW and is housed in an SOT-23 package. It exhibits a maximum reverse leakage current of 0.1µA at 27.3V and maintains an operating temperature range from -65°C to +150°C.

Single Zener Diodes Feature Summary

• Provides ±2% tolerance on Zener voltage for high precision regulation
• Qualified to AEC-Q101 standards for automotive reliability
• Totally lead-free, halogen-free, and antimony-free construction

Single Zener Diodes Applications

• Automotive electronic circuits requiring high reliability
• Precision voltage reference applications
• General purpose voltage regulation in surface mount designs

Single Zener Diodes Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm compliance with RoHS directives and AEC-Q101 qualification requirements. Ensure that the ordering suffix matches the desired packaging quantity and type. Cross-reference datasheet electrical characteristics with system design constraints before finalizing procurement decisions.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is required in space-constrained surface mount layouts. The BZX84B series offers tighter tolerances compared to standard C-series variants. Consider the thermal resistance and power derating curves if the application involves elevated ambient temperatures or continuous high-current operation.

Single Zener Diodes Part Context

This component belongs to the BZX84Bxxx family of precision Zener diodes designed for automated assembly processes. The series covers a wide voltage range from 2.7V to 39V, all sharing the same SOT-23 mechanical footprint. The 'B' designation indicates the tighter ±2% tolerance class, distinguishing it from broader tolerance alternatives within the broader BZX84 product line.

Single Zener Diodes Replacement Considerations

Direct substitutes include other BZX84B39 variants from different manufacturers offering identical SOT-23 footprints and 39V nominal voltage. Verify that replacement parts meet the same AEC-Q101 qualification and ±2% tolerance specifications to ensure functional equivalence in existing designs.