BZX84J-B12-QX

Single Zener Diodes Overview

The Nexperia BZX84J-B12-QX is a single general-purpose Zener diode designed for surface-mount applications. It features a nominal Zener voltage of 12 V with a tight ±2% tolerance, ensuring precise voltage regulation. The device operates within a total power dissipation limit of 550 mW and supports a wide working voltage range from 2.4 V to 75 V across the series. Qualified under AEC-Q101 standards, it offers robust reliability for automotive environments. The component utilizes a compact SOD-323F package, providing low differential resistance and efficient thermal performance.

Single Zener Diodes Feature Summary

• AEC-Q101 qualified for automotive reliability requirements
• Tight ±2% voltage tolerance for precision regulation
• Compact SOD-323F surface-mount package design
• Low differential resistance characteristics

Single Zener Diodes Applications

• General voltage regulation functions
• Automotive electronic circuit protection
• Reference voltage generation in control modules

Single Zener Diodes Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm tape-and-reel packaging configuration and exact marking codes. Ensure the selected variant matches the required AEC-Q101 qualification status for your target application environment. Cross-reference the part number with authorized distributors to validate current production status and longevity program commitments before finalizing procurement plans.

Single Zener Diodes Selection Notes

Select this component when a 12 V reference requires high accuracy within a small footprint. The ±2% tolerance makes it suitable for circuits demanding stable voltage levels without excessive component count. Consider the 550 mW power rating for thermal management in dense PCB layouts. Verify that the SOD-323F package dimensions align with your board space constraints and automated assembly capabilities.

Single Zener Diodes Part Context

This part belongs to the BZX84J series of single Zener diodes manufactured by Nexperia. The series is characterized by its very small and flat lead SMD plastic package, optimized for modern surface-mounted design techniques. It complements other variants in the family that offer different voltage ratings and tolerance grades, such as the standard BZX84 series or wider tolerance options.

Single Zener Diodes Replacement Considerations

Compatible substitutes include BZX84J-B12,115 and BZX84J-B12F. These parts share identical electrical specifications and package type. Verify pinout compatibility and marking differences if replacing existing inventory on a populated board.