BZB84-B11-QR

Overview

The Nexperia BZB84-B11-QR is a dual voltage regulator diode in a SOT23 surface-mounted package. It features a nominal Zener voltage of 11 V with a ±2% tolerance (B series). The device has a total power dissipation of 300 mW and operates within a junction temperature range of -55 °C to +150 °C. Key electrical parameters include a maximum reverse current of 150 µA at IZ=5 mA, a differential resistance of 20 Ω, and a temperature coefficient of 5.4 mV/K. It is qualified according to AEC-Q101 for automotive applications.

Feature Summary

• Dual common anode configuration suitable for compact circuit designs
• Qualified according to AEC-Q101 for automotive use
• High precision voltage regulation with ±2% tolerance

Applications

• General regulation functions
• Automotive electronic circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the component meets all relevant automotive qualification standards required for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component when a dual-diode solution with tight voltage tolerance is required in a small SMD footprint. Ensure the operating current remains within the specified limits to maintain the stated temperature coefficient and reverse leakage characteristics. Verify thermal management capabilities for the 300 mW total power dissipation rating.

Part Context

This part belongs to the BZB84-Q series, which offers a wide range of nominal working voltages from 2.4 V to 75 V. The series provides both B (±2%) and C (±5%) tolerance options. All variants share the same SOT23 package dimensions and pinout, facilitating design flexibility across different voltage requirements while maintaining consistent physical integration.

Replacement Considerations

Direct replacements within the same series include BZB84-C11-Q for looser tolerance or other B-series variants like BZB84-B12-Q if voltage adjustment is acceptable. Cross-package replacements require verifying pin compatibility and thermal performance differences.