BZX84W-B11-QX

Single Zener Diodes Overview

The Nexperia BZX84W-B11-QX is a general-purpose Zener diode from the BZX84W-Q series, housed in a SOT323 (SC-70) leadless Surface-Mounted Device plastic package. It features a nominal working voltage of 11 V with a ±2% tolerance. The device supports a total power dissipation of 275 mW and operates within an ambient temperature range of -55 °C to +150 °C. Qualified according to AEC-Q101, it is designed for automotive applications.

Single Zener Diodes Feature Summary

• Qualified according to AEC-Q101 for automotive use
• Wide working voltage range from 2.4 V to 75 V
• Two tolerance series: ±2% and ±5%
• Leadless very small SMD plastic package

Single Zener Diodes Applications

• General regulation functions
• High-frequency applications

Single Zener Diodes Procurement Notes

Verify the specific suffix 'QX' against official Nexperia documentation to confirm packaging details such as reel or cut tape configuration. Ensure the component meets AEC-Q101 requirements if intended for automotive deployment. Cross-reference the marking code J2% to validate authenticity and correct voltage rating during incoming inspection.

Single Zener Diodes Selection Notes

Select this component when a precise 11 V reference is required in space-constrained designs. The SOT323 package offers a compact footprint suitable for high-density PCB layouts. Consider the ±2% tolerance for applications demanding tighter voltage accuracy compared to standard ±5% variants.

Single Zener Diodes Part Context

This part belongs to the BZX84W-Q series, which provides general-purpose Zener diodes in a SOT323 package. The series includes 74 types covering nominal voltages from 2.4 V to 75 V. The '-Q' designation indicates qualification for automotive applications under AEC-Q101 standards, ensuring reliability in harsh environments.

Single Zener Diodes Replacement Considerations

BZX84W-B11F

Single Zener Diodes FAQ

What is the maximum non-repetitive peak reverse power dissipation?

The maximum non-repetitive peak reverse power dissipation is 40 W at a pulse duration of 100 µs and Tamb = 25 °C.

What is the thermal resistance from junction to ambient?

The thermal resistance from junction to ambient (Rth(j-a)) is typically 455 K/W in free air.