BZX8450-B10-QR

Single Zener Diodes Overview

The Nexperia BZX8450-B10-QR is a low-current voltage regulator diode housed in a small SOT23 surface-mounted device plastic package. It features a nominal working voltage of 10 V with a tolerance range of 10.80 V to 11.20 V at a test current of 50 µA. The component supports a total power dissipation of up to 250 mW and operates within an ambient temperature range of -55 °C to +150 °C. It is qualified according to AEC-Q101 standards for automotive applications.

Single Zener Diodes Feature Summary

• Specified at a low test current of 50 µA, making it suitable for low bias and portable battery-powered applications.
• Qualified according to AEC-Q101 and recommended for use in demanding automotive applications.
• Designed with an intentional minor rise of leakage current to optimize fast switching and reduce noise.

Single Zener Diodes Applications

• Low-current general regulation functions
• Portable battery-powered applications
• Automotive electronic circuits

Single Zener Diodes Procurement Notes

Verify the specific suffix 'QR' indicates reel packaging when sourcing. Confirm the 'B' designation corresponds to the ±2% tolerance series rather than the standard ±5% option. Ensure the order includes the '-Q' suffix to guarantee AEC-Q101 automotive qualification status as defined in the official ordering information table.

Single Zener Diodes Selection Notes

Select this component for designs requiring precise voltage reference at very low currents. The B-series offers tighter tolerance compared to the C-series. Consider the thermal resistance characteristics if operating near maximum junction temperatures. Verify that the 250 mW power dissipation limit aligns with the PCB copper footprint and ambient conditions of the final assembly.

Single Zener Diodes Part Context

This part belongs to the BZX8450-Q series of low-current voltage regulator diodes from Nexperia. The series utilizes a compact SOT23 package to minimize board space while maintaining robust performance. It complements other discrete semiconductor devices in signal conditioning and protection roles within modern electronic systems.

Single Zener Diodes Replacement Considerations

Direct substitutes include other BZX8450-Q variants with matching voltage and tolerance, such as BZX8450-C10-QR, though tolerance differs. Cross-family replacements require verifying pinout compatibility and ensuring equivalent AEC-Q101 qualification if automotive reliability is required.