BZX84-C39-QR

Single Zener Diodes Overview

The Nexperia BZX84-C39-QR is a low-power voltage regulator diode housed in a SOT-23 (TO-236AB) surface-mount package. It provides a nominal Zener voltage of 39 V with a tolerance of approximately ±5 %. The device supports a total power dissipation of up to 250 mW and operates within a junction temperature range of -55 °C to +150 °C. Key electrical characteristics include a maximum reverse leakage current of 50 nA, a forward voltage of 0.9 V at 10 mA, and a non-repetitive peak reverse power dissipation capability of 40 W.

Single Zener Diodes Feature Summary

• Qualified according to AEC-Q101 standards for automotive applications
• Available in normalized E24 breakdown voltage ranges from 2.4 V to 75 V
• Small plastic surface-mounted device package for compact designs

Single Zener Diodes Applications

• General regulation functions

Single Zener Diodes Procurement Notes

Verify the specific suffix 'QR' indicates the reel packaging configuration as per Nexperia ordering conventions. Confirm that the component meets RoHS compliance requirements for your target market. Ensure the design accounts for the thermal resistance values provided in the datasheet to maintain safe operating temperatures under load conditions.

Single Zener Diodes Selection Notes

Select this component when an AEC-Q101 qualified Zener diode is required for automotive or high-reliability circuits. The 39 V breakdown voltage fits within the standard E24 series. Consider the 250 mW power dissipation limit and the specific tolerance requirements when designing the biasing network for the application.

Single Zener Diodes Part Context

This part belongs to the BZX84-Q series, which encompasses various breakdown voltages and tolerance grades including ±1 %, ±2 %, and ±5 %. The series is designed for general-purpose voltage regulation tasks using small SMD packages. The 'C' designation specifically denotes the approximate ±5 % tolerance band within this product family.

Single Zener Diodes Replacement Considerations

Cross-reference with other BZX84-C39 variants from different manufacturers ensuring identical SOT-23 footprint and 39 V Zener voltage. Verify that substitute components meet the same AEC-Q101 qualification if automotive reliability is required.