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Nexperia USA Inc. BZB84-C68,215
- Part No.:
- BZB84-C68,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Zener Diode Arrays
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
BZB84-C68,215.pdf
- Description:
- DIODE ZENER ARRAY 68V SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
BZB84-C68,215 from Nexperia is a dual common-anode Zener diode in SOT23 package, rated for 68 V nominal Zener voltage (±5 % tolerance), 300 mW total power dissipation, and 40 W non-repetitive peak reverse power. It serves precision voltage regulation and overvoltage protection in automotive power rails and industrial sensor interfaces.
For engineers reviewing the BZB84-C68,215 datasheet, BZB84-C68,215 pinout, BZB84-C68,215 application, or BZB84-C68,215 equivalent, this page delivers verified Zener voltage, thermal resistance, differential resistance, reverse current, and AEC-Q101 qualification status - all critical for automotive-grade clamp design and bidirectional transient suppression.
Technical Context
This dual-Zener device integrates two independent Zener junctions sharing a common anode (Pin 3), enabling symmetrical clamping of positive and negative transients across a single node. Its ±5 % VZ tolerance (64.0 V to 72.0 V) and low temperature coefficient (47.6 mV/K at IZ = 2 mA) support stable regulation under ambient shifts.
Designed for surface-mount reliability, it features 100 K/W junction-to-solder-point thermal resistance and operates across −55 °C to +150 °C ambient. The 475 Ω typical differential resistance at 2 mA ensures predictable dynamic impedance during surge events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Zener Voltage (VZ) | 64.0 V to 72.0 V at IZ = 2 mA - defines clamping threshold range for overvoltage protection |
| Differential Resistance (rdif) | 475 Ω max at IZ = 2 mA - determines voltage deviation under varying load current |
| Reverse Current (IR) | 0.05 µA max at VR = 54.4 V - ensures minimal leakage below breakdown |
| Total Power Dissipation (Ptot) | 300 mW at Tamb ≤ 25 °C - sets continuous DC power limit on standard FR4 PCB |
| Non-repetitive Peak Reverse Power (PZSM) | 40 W for tp = 100 µs - supports ESD/ISO 7637-2 pulse immunity without failure |
| Junction Temperature (Tj) | 150 °C maximum - enables operation in under-hood automotive environments |
| AEC-Q101 Qualified | Yes - validated for automotive electronics per stress test requirements |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package with 3 leads; 1.3 mm × 2.9 mm footprint, 1.1 mm height, and tin-plated terminations compatible with reflow and wave soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to protected node for positive-going transient clamping |
| 2 | Cathode (Diode 2) | Connects to same node for negative-going transient clamping (bidirectional) |
| 3 | Common Anode | Reference terminal tied to system ground or bias rail |
Key Features
| Feature | Design Value |
|---|---|
| Dual common-anode configuration | Enables bidirectional transient voltage suppression from a single footprint |
| ±5 % Zener voltage tolerance (C-series) | Ensures predictable clamping window without post-production trimming |
| AEC-Q101 qualification | Validates reliability for automotive power supply and body control modules |
| 40 W non-repetitive peak power rating | Withstands ISO 7637-2 Pulse 1 (inductive switch-off) and Pulse 2a (load dump) |
| Low 0.05 µA reverse leakage at 80 % VZ | Minimizes standby current in always-on vehicle subsystems |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Conditioning |
|---|---|
|
Use Scenario: Clamping transients on 12 V battery-fed ECUs exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Dual-Zener acts as bidirectional shunt regulator referenced to chassis ground. Use Value: 68 V nominal VZ provides 20 % margin above 58 V load dump peak while maintaining low rdif for fast response. |
Use Scenario: Protecting analog front-end inputs of 4–20 mA current-loop transmitters from field wiring surges. IC Role / Device Role / Timing Role: Common-anode Zener pair limits differential input voltage to ±72 V. Use Value: 0.05 µA leakage at 54.4 V prevents signal offset drift in high-impedance measurement paths. |
| USB Port Overvoltage Clamp | Programmable Logic Controller (PLC) Digital Input Protection |
|
Use Scenario: Safeguarding USB 2.0 data lines and VBUS against ESD and hot-plug overshoot. IC Role / Device Role / Timing Role: Bidirectional clamp referenced to local ground, placed before TVS array. Use Value: 40 W PZSM handles IEC 61000-4-2 contact discharge (8 kV) without degradation. |
Use Scenario: Shielding 24 V DC digital inputs in factory automation systems from inductive kickback. IC Role / Device Role / Timing Role: Zener pair clamps line-to-ground excursions during relay coil de-energization. Use Value: 150 °C Tj rating ensures uninterrupted operation in enclosed PLC cabinets up to 85 °C ambient. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-Zener voltage regulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| BZB84-B68,215 | ±2 % VZ tolerance (66.6–69.4 V); higher cost; tighter rdif spec | Better stability in precision reference circuits; less margin for aging drift | Select when absolute VZ accuracy outweighs cost sensitivity |
| PDZGF68-13 | Single Zener, SOD-123, 68 V ±5 %, 500 mW Ptot, no AEC-Q101 | Unidirectional only; higher power but no automotive qualification | Use only in non-automotive, space-constrained designs requiring higher continuous dissipation |
Compared with BZB84-C68,215, the BZB84-B68,215 offers tighter voltage control at the expense of cost and surge margin, while PDZGF68-13 trades bidirectionality and automotive compliance for higher steady-state power handling in commercial applications.
Availability
BZB84-C68,215 is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, USB port protection, and PLC digital input conditioning requiring stable component supply and AEC-Q101 assurance.
Supply support for BZB84-C68,215 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 essential efficiency technologies, delivering high-performance logic, discrete, and MOSFET solutions for automotive, industrial, and consumer markets.
The BZB84 series belongs to Nexperia's AEC-Q101-qualified Zener portfolio, engineered specifically for robust bidirectional voltage clamping in harsh automotive and industrial environments.
FAQ
What is the maximum non-repetitive peak reverse current for BZB84-C68,215?
The maximum non-repetitive peak reverse current (IZSM) is 0.25 A, measured at tp = 100 µs, square wave, with junction temperature at 25 °C prior to surge. This value is derived directly from Table 11 of the Nexperia datasheet and corresponds to the 68 V variant's capability to absorb transient energy without parametric shift.
Can BZB84-C68,215 be used in place of a single Zener diode?
No - BZB84-C68,215 is a dual common-anode device requiring both cathodes (Pins 1 and 2) and the shared anode (Pin 3) to function as intended. Using only one cathode leaves the second junction unconnected and may cause unpredictable leakage or thermal imbalance; it is not a drop-in replacement for single-Zener topologies.
What is the thermal resistance from junction to solder point (Rth(j-sp))?
Rth(j-sp) is 100 K/W, measured with soldering points at Pins 1 and 2 on an FR4 PCB with single-sided copper and standard SOT23 footprint. This value enables accurate junction temperature estimation during surge events and informs PCB copper pour design for thermal management.
Is the marking code for BZB84-C68,215 standardized?
Yes - per Table 4 of the datasheet, BZB84-C68 is marked "PR*", where "*" denotes manufacturing location (e.g., "p" = Hong Kong). The marking appears on the top surface of the SOT23 package and is laser-etched for traceability and authenticity verification in automotive supply chains.
BZB84-C68,215 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):
- 68 V
- Tolerance:
- ±5%
- Power - Max:
- 300 mW
- Impedance (Max) (Zzt):
- 240 Ohms
- Current - Reverse Leakage @ Vr:
- 50 nA @ 47.6 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-C68,215 FAQ
1.How can I place an order for BZB84-C68,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for BZB84-C68,215 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-C68,215 reliable?
The price and inventory of BZB84-C68,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BZB84-C68,215 is usually 5 days.
3.What payment methods are accepted for BZB84-C68,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BZB84-C68,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BZB84-C68,215?
BZB84-C68,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BZB84-C68,215 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-C68,215?
For technical support, including BZB84-C68,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BZB84-C68,215 requirements.
6.How does Aetrix verify that BZB84-C68,215 is sourced from the original manufacturer or authorized distributors?
All BZB84-C68,215 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-C68,215 meets industry standards.
7.What is the process for return or replacement of BZB84-C68,215?
All BZB84-C68,215 units undergo pre-shipment inspection (PSI). If there is an issue with BZB84-C68,215, 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-C68,215 part is unused and in its original packaging.
Return procedure for BZB84-C68,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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