PZU84-B9V1R

Single Zener Diodes Overview

The Nexperia PZU84-B9V1R is a general-purpose Zener voltage regulator diode housed in a small SOT23 surface-mounted device plastic package. It provides a nominal working voltage of 9.1 V with a ±2% tolerance series designation. The device features a total power dissipation rating of 250 mW and a non-repetitive peak reverse power dissipation capability of 40 W. Key electrical characteristics include a maximum forward voltage of 0.9 V at 10 mA, a differential resistance of 6 Ω at IZ = 5 mA, and a temperature coefficient of 3.8 mV/K. The component operates within an ambient temperature range of -55 °C to +150 °C.

Single Zener Diodes Feature Summary

• Very low dynamic impedances at low currents for the B-series variants up to 10 V
• Hard breakdown knee characteristic ensuring stable regulation performance
• Very low leakage current specification suitable for sensitive circuit applications

Single Zener Diodes Applications

• General regulation functions

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm reel packaging specifications and tape-and-reel dimensions. Ensure the selected variant matches the required tolerance class and marking code for production integration. Cross-reference the latest datasheet revision to confirm thermal resistance values and absolute maximum ratings prior to finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component for designs requiring precise voltage reference or regulation in compact PCB layouts. The SOT23 package offers space efficiency while maintaining adequate power handling capabilities. Consider the specific temperature coefficient and leakage current requirements when choosing between the B and C tolerance series for optimal circuit stability under varying environmental conditions.

Single Zener Diodes Part Context

This device belongs to the PZU84 series of Zener voltage regulator diodes manufactured by Nexperia. The series encompasses a wide working voltage range from nominal 2.4 V to 51 V, available in both ±2% and approximately ±5% tolerance options. All variants share the same small SOT23 surface-mounted package format, facilitating standardized design practices across different voltage requirements.

Single Zener Diodes Replacement Considerations

Direct substitutes within the same series include PZU84-C9V1R for ±5% tolerance applications. Other compatible parts are PZU84-B9V1 (cut tape) or PZU84-B9V1T (reel). Verify pinout compatibility and thermal characteristics before substituting.