BZB84-B20,215

Overview

The Nexperia BZB84-B20,215 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: B for ±2% and C for ±5%. The nominal working voltage is 20 V, with a maximum differential resistance of 225 Ω at IZ=5 mA. Reverse current is limited to 55 μA at IZ=5 mA. Total power dissipation is 300 mW per device, with a non-repetitive peak reverse power dissipation of 40 W. Operating junction temperature ranges from -55 °C to +150 °C.

Feature Summary

• Dual common anode configuration suitable for compact circuit designs
• Qualified according to AEC-Q101 automotive standards
• Small plastic SMD package optimized for high-density layouts

Applications

• General regulation functions

Procurement Notes

Verify the specific ordering suffix against official Nexperia documentation to confirm manufacturing origin and compliance details. Ensure the selected variant matches the required voltage tolerance class for the intended application environment. Cross-reference the latest datasheet revision to confirm current product status and any potential design changes before finalizing procurement orders.

Selection Notes

Select the B-series for applications requiring tighter voltage tolerance compared to the C-series. Evaluate thermal resistance values when designing for high ambient temperatures or limited PCB copper area. Confirm that the forward voltage characteristics meet the requirements for any integrated rectifier functionality within the dual-diode structure.

Part Context

This component belongs to the BZB84 series of general-purpose dual Zener diodes manufactured by Nexperia. The series offers a wide range of nominal voltages from 2.4 V to 75 V in the SOT-23 package. It is designed for surface-mounted applications requiring compact voltage regulation solutions.

Replacement Considerations

Direct substitutes include other BZB84-B20 variants from Nexperia with different packaging options or suffixes. Equivalent dual Zener configurations from other manufacturers may require verification of pinout compatibility and electrical parameter alignment.