BZX58550-C4V3X

Single Zener Diodes Overview

The Nexperia BZX58550-C4V3X is a low-current voltage regulator diode housed in an SOD523 (SC-79) ultra-small and flat lead Surface-Mounted Device plastic package. It belongs to the normalized E24 ±5% tolerance series, offering a nominal working voltage of 4.3 V with a range of 4.09 V to 4.52 V at a test current of 50 µA. The device supports a total power dissipation of up to 300 mW and operates within a junction temperature range of -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Designed for low bias and portable battery-powered applications through specification at a low test current of 50 µA.
• Features an intentional minor rise of leakage current optimized for fast switching and noise reduction.
• Encapsulated in an ultra-small and flat lead SOD523 plastic surface-mounted package.

Single Zener Diodes Applications

• Low-current general regulation functions

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm packaging format and reel specifications. Ensure the component meets required environmental compliance standards such as RoHS and REACH before integration into final designs.

Single Zener Diodes Selection Notes

Select this component for circuits requiring precise low-voltage regulation with minimal quiescent current consumption. The SOD523 package is suitable for high-density board layouts where space constraints are critical. Confirm thermal management requirements align with the specified power dissipation limits under expected operating conditions.

Single Zener Diodes Part Context

This part is a member of the BZX58550 series, which provides a comprehensive range of low-current Zener diodes. The series covers nominal voltages from 1.8 V to 51 V, utilizing standardized E24 tolerance values to simplify inventory management and design selection across various consumer and industrial electronic applications.

Single Zener Diodes Replacement Considerations

Direct substitutes include other BZX58550 series variants with matching voltage ratings or the standard BZX585 series if higher test currents are acceptable. Verify pinout compatibility and package dimensions when cross-referencing with alternative manufacturers' offerings.