PZU11B1A-QX

Single Zener Diodes Overview

The PZU11B1A-QX is a general-purpose Zener voltage regulator diode manufactured by Nexperia USA Inc. It is housed in a SOD323 (SC-76) very small Surface-Mounted Device plastic package. The device features a nominal working voltage range of 2.4 V to 51 V, with the B1 tolerance series offering approximately ±2% accuracy. Total power dissipation is rated at ≤ 320 mW, and non-repetitive peak reverse power dissipation is ≤ 40 W. The component is qualified according to AEC-Q101 standards.

Single Zener Diodes Feature Summary

• Qualified according to AEC-Q101 for automotive applications
• Low reverse current characteristics
• Small plastic package suitable for surface-mounted design

Single Zener Diodes Applications

• General regulation functions
• Automotive electronic circuits

Single Zener Diodes Procurement Notes

Verify the specific voltage rating and tolerance class against the required circuit specifications before procurement. Confirm that the SOD323 package dimensions align with the PCB footprint constraints. Ensure the supplier provides documentation confirming AEC-Q101 qualification status if the application mandates automotive-grade reliability standards.

Single Zener Diodes Selection Notes

Select this component when a compact Zener diode with tight voltage tolerance is required for space-constrained designs. The B1 tolerance series is appropriate for applications needing precise voltage reference stability. Consider the total power dissipation limits relative to the expected operating conditions to ensure thermal reliability within the small SOD323 package.

Single Zener Diodes Part Context

This part belongs to the PZU series of general-purpose Zener diodes from Nexperia. These diodes are designed for use in various electronic circuits requiring voltage regulation or protection. The series offers a wide range of nominal voltages and is available in small surface-mount packages to facilitate automated assembly and high-density board layouts.

Single Zener Diodes Replacement Considerations

Direct substitutes include other AEC-Q101 qualified Zener diodes in the SOD323 package with similar voltage ratings and ±2% tolerance. Verify pinout compatibility and thermal characteristics when considering alternative manufacturers.