BZB84-B4V3,215

Overview

The BZB84-B4V3,215 is a dual Zener diode from the Nexperia BZB84 series, housed in a SOT23 (TO-236AB) plastic surface-mounted package. It features a dual common anode configuration with two tolerance series available. The nominal working voltage is 4.3 V, with a tolerance of ±2% for the 'B' suffix. Key electrical parameters include a maximum reverse current of 3 μA at IZ=5 mA and a differential resistance of 600 Ω. The device supports a total power dissipation of up to 300 mW and operates within a junction temperature range of -55 °C to +150 °C. It is qualified according to AEC-Q101 standards.

Feature Summary

• Dual common anode configuration suitable for compact circuit designs
• AEC-Q101 qualified for automotive application reliability
• Small SOT23 plastic package optimized for surface-mount technology

Applications

• General regulation functions

Procurement Notes

Verify the specific ordering code against the manufacturer's latest documentation to ensure correct tolerance and packaging specifications. Confirm that the component meets all required environmental and quality standards for the intended application before finalizing procurement decisions.

Selection Notes

Select this component when a dual Zener diode with a common anode is required in a small SMD package. Ensure the 4.3 V nominal voltage and ±2% tolerance align with circuit requirements. Verify thermal management capabilities given the 300 mW total power dissipation limit in the SOT23 package.

Part Context

This part belongs to the Nexperia BZB84 series of general-purpose dual Zener diodes. The series offers a wide range of nominal working voltages from 2.4 V to 75 V in the SOT23 package. The 'B' suffix indicates a tighter voltage tolerance compared to the 'C' series, providing higher precision for voltage reference applications.

Replacement Considerations

Direct replacements within the same series include other BZB84 variants with different voltage ratings or tolerances. Cross-series alternatives may require verification of pin compatibility and electrical parameter alignment.