BZX8450-C51R

Single Zener Diodes Overview

The Nexperia BZX8450-C51R is a low-current voltage regulator diode in an SOT-23 package. It features a nominal Zener voltage of 51 V with ±5% tolerance. Total power dissipation is ≤250 mW, specified at a low test current of 50 μA. The device operates within a junction temperature range of -55 °C to +150 °C and supports a non-repetitive peak reverse power dissipation of 40 W.

Single Zener Diodes Feature Summary

• Designed for low bias and portable battery-powered applications due to 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 a small SOT-23 surface-mounted plastic package.

Single Zener Diodes Applications

• Low-current general regulation functions

Single Zener Diodes Procurement Notes

Verify the specific suffix 'R' against the manufacturer's official ordering information to confirm reel packaging specifications. Ensure the selected variant matches the required tolerance series and electrical characteristics defined in the product data sheet before procurement.

Single Zener Diodes Selection Notes

Select this component for circuits requiring precise low-current voltage regulation. The C-series offers approximately ±5% tolerance. Consider the thermal resistance and power dissipation limits when designing for high ambient temperatures or limited PCB copper area.

Single Zener Diodes Part Context

This part belongs to the BZX8450 series of low-power voltage regulator diodes. The series provides working voltages from 1.8 V to 51 V in a compact SOT-23 package, suitable for space-constrained portable electronics and general-purpose regulation tasks.

Single Zener Diodes Replacement Considerations

Cross-reference with other BZX8450-C51 variants for package or suffix differences. Verify compatibility with existing footprints and electrical parameters before substitution.

Single Zener Diodes FAQ

What is the test current for the BZX8450-C51R?

The device is specified at a low test current of 50 μA.

Does the BZX8450-C51R have special leakage characteristics?

Yes, it features an intentional minor rise of leakage current optimized for fast switching and noise reduction.