BZX585-B33-QX

Single Zener Diodes Overview

The Nexperia BZX585-B33-QX is a general-purpose Zener diode housed in an SOD523 (SC-79) ultra-small surface-mounted package. It provides a nominal working voltage of 33 V with a ±2% tolerance series. The device supports a total power dissipation of up to 300 mW and withstands non-repetitive peak reverse power dissipation of 40 W. It operates within a junction temperature range of -65 °C to +150 °C and features low differential resistance.

Single Zener Diodes Feature Summary

• Qualified according to AEC-Q101 for automotive applications
• Encapsulated in an ultra-small SOD523 plastic SMD package
• Offers normalized E24 ±2% tolerance range

Single Zener Diodes Applications

• General regulation functions

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct packaging configuration. Confirm that the component meets the required AEC-Q101 qualification standards if intended for automotive use. Cross-reference the marking code EH with the official datasheet to validate authenticity and production batch details before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a precise 33 V reference is required in space-constrained designs utilizing the SOD523 footprint. Ensure the application circuit can accommodate the specified 300 mW thermal dissipation limits at the expected ambient temperatures. Verify that the ±2% voltage tolerance aligns with the system's regulatory accuracy requirements.

Single Zener Diodes Part Context

This part belongs to the BZX585-Q series, which comprises 74 types covering nominal voltages from 2.4 V to 75 V. The series is designed for high-density circuit implementations requiring small form factors. It serves as a standardized solution for voltage regulation tasks across various industrial and consumer electronics sectors.

Single Zener Diodes Replacement Considerations

Compatible substitutes include other BZX585-B33 variants from different manufacturers, provided they match the SOD523 package dimensions and electrical specifications.