BZX58550-B3V9X

Single Zener Diodes Overview

The Nexperia BZX58550-B3V9X is a low-current voltage regulator diode housed in an SOD523 (SC-79) ultra-small and flat lead Surface-Mounted Device plastic package. It features a nominal working voltage of 3.9 V with a tolerance of approximately ±5%. The device has a total power dissipation of ≤ 300 mW and is specified at a low test current of 50 μA, making it suitable for low bias applications.

Single Zener Diodes Feature Summary

• Ultra-small and flat lead SMD plastic package
• Low test current specification ideal for portable battery-powered applications
• Intentional minor rise of leakage current for optimized fast switching and noise reduction

Single Zener Diodes Applications

• Low-current general regulation functions

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix 'X' against official Nexperia documentation to confirm packaging details such as reel or cut tape configuration. Ensure the component meets RoHS compliance requirements for your target market. Confirm that the SOD523 footprint matches your PCB design guidelines before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component for designs requiring precise low-voltage regulation in space-constrained environments. The ±5% tolerance series offers a balance between cost and performance for general-purpose applications. Consider the low test current requirement when designing bias circuits to ensure accurate voltage regulation.

Single Zener Diodes Part Context

This part belongs to the BZX58550 series of low-current voltage regulator diodes from Nexperia. The series provides a comprehensive range of nominal working voltages from 1.8 V to 51 V. These diodes are designed for general regulation and voltage reference functions in small-scaled, high-density circuit designs.

Single Zener Diodes Replacement Considerations

Consult the official datasheet for compatible substitutes within the same series or equivalent packages. Verify that any replacement maintains the required voltage tolerance, power dissipation limits, and package dimensions.