Nexperia USA Inc. BZB84-C6V2VL

Overview

BZB84-C6V2VL from Nexperia is a dual common-anode Zener diode in SOT23 package, designed for precision voltage regulation and overvoltage protection in compact DC power rails. It delivers 6.2 V nominal Zener voltage (±5 % tolerance), 150 Ω typical differential resistance at 5 mA, and supports non-repetitive peak reverse power dissipation up to 40 W for transient suppression in automotive ECUs and industrial sensor interfaces.

For engineers reviewing the BZB84-C6V2VL datasheet, BZB84-C6V2VL pinout, BZB84-C6V2VL application, or BZB84-C6V2VL equivalent, key selection criteria include its AEC-Q101 qualification, dual-diode common-anode topology for bidirectional clamping, 300 mW total power dissipation, and thermal resistance of 417 K/W (junction-to-ambient) on FR4 PCB.

Technical Context

This dual Zener operates with two independent cathodes (pins 1 and 2) sharing a common anode (pin 3), enabling symmetrical voltage clamping or dual-rail regulation without external node connection. Its ±5 % V_Z tolerance (5.8 V to 6.6 V) and low 10 µA reverse current at 4.5 V support stable reference generation in low-power analog circuits.

The device features a temperature coefficient of +0.4 mV/K to +3.7 mV/K across 5–20 mA working current, ensuring predictable drift in automotive ambient ranges (−40 °C to +125 °C). Its 200 pF diode capacitance at 0 V and 1 MHz enables use in moderate-speed signal line protection without excessive high-frequency loading.

Key Specifications

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package: 3-pin, 1.3 mm × 2.9 mm footprint, 1.1 mm height, tin-plated leads compatible with standard reflow profiles.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MMBZ5234BS-7-F and BZX84-C6V2, BZB84-C6V2VL uniquely integrates two Zeners in one SOT23 footprint with shared anode-reducing BOM count by 50 % and PCB area by 30 % in dual-clamp applications while maintaining identical voltage specs and AEC-Q101 compliance.

Availability

BZB84-C6V2VL is available at Aetrix Electronics and suitable for automotive ECU design, industrial sensor interface protection, USB port hardening, and DC-DC converter feedback safeguarding requiring stable component supply and long-term lifecycle continuity.

Supply support for BZB84-C6V2VL 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.

BZB84-C6V2VL belongs to the AEC-Q101-qualified BZB84 series of dual Zener diodes, engineered specifically for space-constrained automotive and industrial voltage regulation and transient suppression applications.

FAQ

What is the maximum continuous forward current for BZB84-C6V2VL?

The absolute maximum forward current is 200 mA per diode, specified under limiting values per IEC 60134. This rating assumes T_amb ≤ 25 °C and standard FR4 PCB mounting. At elevated ambient temperatures, derating applies per the thermal resistance of 417 K/W; for example, at 70 °C ambient, maximum usable forward current drops to approximately 120 mA to maintain T_j ≤ 150 °C.

Can BZB84-C6V2VL be used for bidirectional ESD protection on a data line?

Yes - its dual common-anode structure allows pins 1 and 2 to clamp positive and negative transients respectively to pin 3 (anode tied to ground), providing symmetrical ±6.6 V clamping. With 200 pF capacitance at 0 V and 1 MHz, it supports data rates up to 10 Mbps without significant signal attenuation, making it suitable for LIN, RS-485, or low-speed USB lines.

How does the temperature coefficient affect regulation accuracy over automotive temperature range?

At 6.2 V nominal, the temperature coefficient ranges from +0.4 mV/K to +3.7 mV/K depending on test current (5–20 mA). Over −40 °C to +125 °C, this results in a worst-case V_Z shift of +615 mV (165 K × 3.7 mV/K), yielding a maximum clamping voltage of ~6.8 V at high temperature - still within safe margins for 5 V system rails with 20 % headroom.

Is the marking code 'UL*' on BZB84-C6V2VL traceable to manufacturing location?

Yes - per Nexperia's marking table, 'UL*' indicates BZB84-C6V2VL was manufactured in China ('W' suffix), with '*' denoting production batch and wafer lot. The full marking appears as 'UL' on the device body, and traceability documentation (including date code and fab ID) is provided with every Aetrix shipment per ISO 9001 requirements.