PZU84-B14R

Single Zener Diodes Overview

The Nexperia PZU84-B14R is a general-purpose Zener voltage regulator diode housed in a small SOT23 Surface-Mounted Device plastic package. It belongs to the ±2% tolerance series within the PZU84 family, offering nominal working voltages from 2.4 V to 51 V. The device features a total power dissipation of 250 mW and a non-repetitive peak reverse power dissipation of 40 W. For the B14 variant, the nominal breakdown voltage is 14 V with a range of 13.70 V to 14.30 V at IZ = 5 mA. It exhibits very low dynamic impedance, low leakage current, and a hard breakdown knee, making it suitable for precision regulation tasks.

Single Zener Diodes Feature Summary

• General-purpose Zener diodes in a small SOT23 Surface-Mounted Device plastic package
• Very low dynamic impedances at low currents, very low leakage current, hard breakdown knee
• Two tolerance series: ± 2 % and approximately ± 5 %

Single Zener Diodes Applications

• General regulation functions

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix 'R' against the manufacturer's official documentation to confirm reel packaging specifications. Ensure the component matches the exact PZU84-B14 type number for correct tolerance and electrical characteristics. Cross-reference the marking code '%RX' on the physical device to authenticate the part. Confirm that the SOT23 package dimensions align with your PCB footprint requirements before finalizing procurement.

Single Zener Diodes Selection Notes

Select this component when a precise 14 V reference is required with tight ±2% tolerance. The SOT23 package offers a compact solution for space-constrained designs. Consider the low leakage current and hard breakdown knee for applications requiring stable regulation at low currents. Verify thermal management capabilities, as the total power dissipation is limited to 250 mW in free air conditions.

Single Zener Diodes Part Context

The PZU84 series comprises general-purpose Zener diodes designed for surface-mount applications. The series includes 34 breakdown voltages ranging from 2.4 V to 51 V. The PZU84-B14R specifically falls into the ±2% tolerance category, providing higher accuracy compared to the ±5% C-series variants. This series is engineered for general regulation functions in electronic circuits.

Single Zener Diodes Replacement Considerations

Direct substitutes include other PZU84-B14 variants from Nexperia with different packaging options (e.g., tape and reel vs. cut tape). Equivalent parts from other manufacturers must match the 14 V nominal voltage, ±2% tolerance, SOT23 package, and similar electrical characteristics such as power dissipation and leakage current.