Nexperia USA Inc. BZB84-C2V4,215

Overview

BZB84-C2V4,215 from Nexperia is a dual common-anode Zener diode in SOT23 (TO-236AB) package, rated for 2.4 V nominal Zener voltage with ±5 % tolerance, 300 mW total power dissipation, and AEC-Q101 qualification for automotive use. It provides bidirectional voltage regulation and transient suppression in compact space-constrained PCB layouts.

For engineers reviewing the BZB84-C2V4,215 datasheet, BZB84-C2V4,215 pinout, BZB84-C2V4,215 application, or BZB84-C2V4,215 equivalent, key selection criteria include its dual-Zener topology, 2.2–2.6 V Zener range at 5 mA, 600 Ω max differential resistance, 100 µA max reverse current at 1 V, and SOT23-compatible thermal performance under automotive ambient conditions.

Technical Context

This dual-Zener device integrates two identical Zener diodes sharing a common anode (Pin 3), enabling symmetrical clamping of positive and negative transients across a single node. Its design supports bidirectional overvoltage protection without requiring external polarity reversal.

Each diode operates within a 2.2–2.6 V Zener range at I_Z = 5 mA, exhibits ≤600 Ω differential resistance, and maintains ≤100 µA reverse leakage at V_R = 1 V - critical for low-power biasing and precision reference applications where quiescent current must be tightly controlled.

Key Specifications

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package: 3-pin, small outline, standard footprint compatible with automated reflow and wave soldering per Nexperia's recommended land patterns.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-Zener regulation applications.

Compared with BZB84-C2V4,215, the BZB84-B2V4,215 offers tighter voltage control at higher cost, while MMBZ5221BS-7-F lacks integrated dual functionality - making the original part optimal for space-constrained bidirectional protection where ±5 % tolerance is acceptable.

Availability

BZB84-C2V4,215 is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial fieldbus termination, low-voltage microcontroller I/O protection, and USB VBUS clamping requiring stable component supply and AEC-Q101 compliance.

Supply support for BZB84-C2V4,215 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified components and advanced packaging technologies.

The BZB84 series belongs to Nexperia's AEC-Q101-qualified Zener portfolio, engineered specifically for robust voltage regulation and transient suppression in harsh automotive and industrial environments.

FAQ

What is the maximum continuous reverse current this device can handle at 25 °C ambient?

The BZB84-C2V4,215 has no specified maximum continuous reverse current; instead, its safe operating limit is defined by total power dissipation (300 mW at T_amb ≤ 25 °C). At nominal 2.4 V Zener voltage, this corresponds to ~125 mA average reverse current - but actual usable current depends on thermal design and derating above 25 °C ambient.

Can this dual-Zener be used for AC signal clipping in audio circuits?

Yes - its symmetric dual-Zener structure with common anode allows clean ±2.4 V clipping of low-level AC signals. With ≤450 pF capacitance at 0 V and fast response, it preserves audio fidelity up to ~1 MHz, though thermal drift (SZ = −3.5 to 0 mV/K) requires DC bias stabilization for precision applications.

How does the common-anode configuration affect PCB layout versus discrete Zeners?

The common-anode pin (Pin 3) serves as the shared reference node, reducing net count by one and eliminating the need for parallel anode traces. This simplifies routing in dense layouts and improves thermal coupling between diodes, enhancing matched clamping behavior during transient events.

Is the 40 W non-repetitive peak power rating per diode or for the entire package?

The 40 W rating applies per diode - meaning each Zener element (Pin 1→3 and Pin 2→3) independently withstands up to 40 W for t_p = 100 µs square-wave pulses. Simultaneous conduction in both diodes is not rated; the 300 mW total power limit governs steady-state combined dissipation.