BZB84-B43,215

Overview

The Nexperia BZB84-B43,215 is a dual Zener diode in a SOT-23 (TO-236AB) surface-mount package. It features a dual common anode configuration with two tolerance series options. The nominal working voltage is 43 V with a ±2% tolerance. Key electrical parameters include a maximum reverse current of 150 μA at IZ=2 mA, a differential resistance of 375 Ω, and a temperature coefficient ranging from 30.1 to 46.6 mV/K. Total power dissipation is 300 mW, with a non-repetitive peak reverse power dissipation of 40 W.

Feature Summary

• Dual common anode configuration for compact circuit design
• Automotive qualification compliant with AEC-Q101 standards
• High precision voltage regulation with ±2% tolerance option

Applications

• General regulation functions

Procurement Notes

Verify the specific suffix '215' against the manufacturer's latest documentation to confirm manufacturing origin details. Ensure the component matches the required ±2% tolerance series designated by the 'B' prefix. Cross-reference the marking code 'RC' on the physical device to validate authenticity and correct part identification before integration into production assemblies.

Selection Notes

Select this component when a dual Zener solution with a shared anode is required in a small SOT-23 footprint. The 43 V nominal voltage and ±2% tolerance suit applications needing precise reference levels. Consider the 300 mW total power dissipation limit and the specific thermal resistance characteristics for high-density PCB layouts where heat dissipation may be constrained.

Part Context

This device belongs to the Nexperia BZB84 series of general-purpose dual Zener diodes. The series offers a wide range of nominal voltages from 2.4 V to 75 V in the E24 range. It is designed for surface-mounted designs, providing a cost-effective solution for voltage regulation and protection in space-constrained electronic applications.

Replacement Considerations

Other BZB84-B43 variants with different packing suffixes are functionally equivalent. Single Zener diodes like the BZX84-B43 can replace individual sections but require additional board space.