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Nexperia USA Inc. BZB84-B3V3,215
- Part No.:
- BZB84-B3V3,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Zener Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZB84-B3V3,215.pdf
- Description:
- DIODE ZENER ARRAY 3.3V SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:549
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Product details
Overview
BZB84-B3V3,215 from Nexperia is a dual common-anode Zener diode in SOT23 (TO-236AB) package, rated for 3.3 V nominal Zener voltage (±2 % tolerance), 300 mW total power dissipation, and 40 W non-repetitive peak reverse power. It serves voltage regulation and overvoltage protection in compact automotive and industrial power rails.
For engineers reviewing the BZB84-B3V3,215 datasheet, BZB84-B3V3,215 pinout, BZB84-B3V3,215 application, or BZB84-B3V3,215 equivalent, this page delivers verified Zener voltage accuracy, dual-diode thermal coupling behavior, AEC-Q101 qualification status, and SOT23 footprint compatibility for space-constrained PCB designs.
Technical Context
This dual Zener diode integrates two precision 3.3 V Zener elements sharing a common anode terminal, enabling bidirectional clamping or symmetrical reference generation. Its ±2 % voltage tolerance and low 95 Ω typical differential resistance at IZ = 5 mA ensure stable regulation under varying load conditions.
The device operates across −55 °C to +150 °C ambient, with junction-to-ambient thermal resistance of 417 K/W on FR4 PCB, and supports surge handling up to 40 W (100 µs square wave, Tj = 25 °C prior to surge), meeting automotive transient immunity requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 3.23 V to 3.37 V at IZ = 5 mA - tight ±2 % tolerance enables accurate 3.3 V rail stabilization without external trimming. |
| Total Power Dissipation (Ptot) | 300 mW at Tamb ≤ 25 °C - defines maximum continuous DC power per device before thermal derating begins. |
| Non-repetitive Peak Reverse Power (PZSM) | 40 W - supports transient suppression of short-duration surges (≤100 µs) in automotive load-dump scenarios. |
| Differential Resistance (rdif) | 600 Ω max at IZ = 5 mA - quantifies dynamic impedance affecting regulation stability under fast load transients. |
| Reverse Current (IR) | 5 µA max at VR = 1 V - ensures minimal leakage in standby mode, critical for battery-powered systems. |
| Junction Temperature (Tj) | 150 °C maximum - sets upper thermal limit for reliable operation in under-hood or high-power-density environments. |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness per discrete semiconductor stress test standard. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mounted package with 3 leads; 1.3 mm × 2.9 mm footprint, 1.1 mm height, and tin-plated terminations compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Provides Zener breakdown path for first diode; connects to regulated node requiring 3.3 V clamping. |
| 2 | Cathode (Diode 2) | Enables independent or mirrored clamping function; allows dual-rail referencing or bidirectional transient suppression. |
| 3 | Common Anode | Shared return path for both Zener elements; simplifies PCB routing and ensures matched thermal coupling between diodes. |
Key Features
| Feature | Design Value |
|---|---|
| Dual common-anode configuration | Enables compact bidirectional voltage limiting or dual-reference generation using single footprint, reducing component count by 1 vs. discrete Zeners. |
| ±2 % Zener voltage tolerance | Guarantees 3.23–3.37 V regulation window at 5 mA, eliminating need for post-production calibration in 3.3 V supply monitoring circuits. |
| AEC-Q101 qualification | Validates suitability for automotive power management modules, including body control units and sensor interface ECUs. |
| 40 W non-repetitive peak power rating | Withstands ISO 7637-2 Pulse 1/2a/5a transients without failure when used with appropriate series impedance. |
| Low 5 µA reverse current at 1 V | Minimizes quiescent current draw in always-on circuits such as CAN bus wake-up monitors or low-power microcontroller reset supervisors. |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Regulating 3.3 V supply for LIN transceivers and door module microcontrollers exposed to load-dump transients. IC Role / Device Role / Timing Role: Dual Zener provides bidirectional clamping on VCC rail and reference voltage for ADC input scaling. Use Value: Common-anode structure ensures matched thermal drift between clamping and reference paths, maintaining ADC accuracy across −40 °C to +125 °C. |
Use Scenario: Protecting analog front-end inputs of 24 V industrial PLC I/O cards from ESD and field-wiring faults. IC Role / Device Role / Timing Role: One cathode clamps positive transients to 3.3 V rail; other cathode sinks negative surges to ground via shared anode. Use Value: 40 W peak power rating absorbs 2 kV ESD events (IEC 61000-4-2) without degradation, confirmed by AEC-Q101 HBM testing. |
| USB-C Power Delivery Monitor | Medical Patient Monitor Auxiliary Rail |
|
Use Scenario: Stabilizing 3.3 V bias for USB PD policy engine and voltage-level translators in portable chargers. IC Role / Device Role / Timing Role: Provides low-leakage (5 µA) reference for VBUS detection comparators and overvoltage lockout circuitry. Use Value: Tight ±2 % tolerance ensures consistent 3.3 V threshold across production lots, preventing false overvoltage trips during 9 V/15 V/20 V PD negotiations. |
Use Scenario: Generating isolated 3.3 V reference for ECG signal amplifiers in battery-powered patient monitors. IC Role / Device Role / Timing Role: Dual diode supplies matched reference and bias voltages while minimizing board area in space-constrained wearable form factors. Use Value: SOT23 package and 300 mW dissipation allow placement near analog ICs without thermal interference, preserving signal integrity in sub-µV noise-sensitive stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-Zener regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZB84-C3V3,215 | ±5 % Zener tolerance (3.1–3.5 V range) vs. ±2 %; otherwise identical SOT23 pinout, power ratings, and AEC-Q101 qualification. | Acceptable where 3.3 V regulation margin > ±0.2 V; not suitable for precision ADC references or tight-threshold supervisors. | Select when cost sensitivity outweighs voltage accuracy requirements and system-level tolerance analysis permits wider VZ spread. |
| MMBZ5226BS-7-F | Single Zener (3.3 V, ±5 %), SOT323 package; no dual configuration; 200 mW Ptot; not AEC-Q101 qualified. | Lacks bidirectional clamping capability; requires two devices for dual-rail use; unsuitable for automotive under-hood deployment. | Only consider for non-automotive consumer applications where space constraints favor SOT323 and dual functionality is unnecessary. |
Compared with BZB84-C3V3,215, the BZB84-B3V3,215 offers tighter voltage control essential for precision sensing; versus MMBZ5226BS-7-F, it delivers integrated dual functionality, higher surge resilience, and automotive-grade reliability in the same footprint class.
Availability
BZB84-B3V3,215 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, USB-C power delivery systems, and medical auxiliary power rails requiring stable component supply and long-term lifecycle support.
Supply support for BZB84-B3V3,215 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 logic, discrete, and MOSFET solutions, with leadership in automotive-qualified components and energy-efficient packaging.
The BZB84 series belongs to Nexperia's AEC-Q101-qualified Zener portfolio, engineered specifically for robust voltage regulation and transient protection in harsh automotive and industrial environments.
FAQ
What is the maximum continuous forward current for BZB84-B3V3,215?
The absolute maximum forward current is 200 mA per diode, as specified in the Limiting Values table. This rating applies under steady-state DC conditions with ambient temperature ≤25 °C and assumes proper PCB thermal design per the datasheet's FR4 mounting conditions.
Can BZB84-B3V3,215 be used for bidirectional ESD protection on a data line?
Yes - its dual common-anode configuration allows one cathode to clamp positive transients to VCC and the other to clamp negative transients to ground, forming a low-capacitance (450 pF) bidirectional TVS structure suitable for low-speed data lines like LIN or I²C.
How does the temperature coefficient affect regulation accuracy over temperature?
At 3.3 V nominal, the temperature coefficient is −3.5 mV/K to 0 mV/K, meaning output voltage may decrease by up to 3.5 mV per Kelvin rise. For a 100 °C range (−40 °C to +60 °C), this introduces up to ±350 mV drift - acceptable for non-precision rails but insufficient for high-accuracy references.
Is the SOT23 footprint compatible with automated optical inspection (AOI) systems?
Yes - the SOT23 (TO-236AB) outline meets IPC-7351B standard dimensions, with 0.95 mm lead pitch and defined solder land patterns (Fig 8/9 in datasheet), ensuring reliable detection by AOI systems calibrated for JEDEC-compliant small-outline packages.
BZB84-B3V3,215 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Configuration:
- 1 Pair Common Anode
- Voltage - Zener (Nom) (Vz):
- 3.3 V
- Tolerance:
- ±2%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 95 Ohms
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1 V
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 10 mA
- Operating Temperature:
- -
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
BZB84-B3V3,215 FAQ
1.How can I place an order for BZB84-B3V3,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZB84-B3V3,215 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for BZB84-B3V3,215 reliable?
The price and inventory of BZB84-B3V3,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZB84-B3V3,215 is usually 5 days.
3.What payment methods are accepted for BZB84-B3V3,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZB84-B3V3,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZB84-B3V3,215?
BZB84-B3V3,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZB84-B3V3,215 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for BZB84-B3V3,215?
For technical support, including BZB84-B3V3,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZB84-B3V3,215 requirements.
6.How does Aetrix verify that BZB84-B3V3,215 is sourced from the original manufacturer or authorized distributors?
All BZB84-B3V3,215 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that BZB84-B3V3,215 meets industry standards.
7.What is the process for return or replacement of BZB84-B3V3,215?
All BZB84-B3V3,215 units undergo pre-shipment inspection (PSI). If there is an issue with BZB84-B3V3,215, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The BZB84-B3V3,215 part is unused and in its original packaging.
Return procedure for BZB84-B3V3,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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