Nexperia Dual 27 V Zener Diode SOT-23 Surface Mount 300 mW 2% Tolerance BZB84-B27,215

The Nexperia BZB84-B27,215 is a dual zener diode designed for precise voltage regulation in electronic circuits requiring stable voltage clamping. Encapsulated in a compact 3-pin SOT-23 surface mount package, it provides convenient integration for high-density PCB designs in automotive, industrial, and consumer electronics.

Each of the two zener diode elements provides a nominal voltage of 27 volts with a tight tolerance of ±2%, delivering accurate regulation for sensitive power circuits.

With a maximum power rating of 300 mW and a non-repetitive peak reverse dissipation up to 40 W, the diode is suitable for transient voltage suppression and general-purpose voltage stabilization.

The device supports operating temperatures from -55°C to 150°C, making it qualified under the automotive AEC-Q101 standard for reliable performance in harsh environments. Low maximum reverse leakage current of 50 nanoamperes and a typical zener impedance of 80 ohms contribute to high efficiency and low power losses.

Common applications include voltage regulator circuits, reference voltage sources, voltage clamping, and protection against voltage spikes in power and signal lines. The dual common anode configuration adds design flexibility in multi-voltage applications.

The small plastic package supports robust surface mount assembly processes. Voltage temperature coefficient of 25.3 mV/K ensures reliable operation under thermal variation. This Zener Diode is ideal for use in automotive electronics, industrial power supplies, and consumer electronic devices requiring stable voltage regulation.

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