Nexperia USA Inc. MMBZ27VBQC-QZ
- Part No.:
- MMBZ27VBQC-QZ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 3-XDFN Exposed Pad
- Datasheet:
-
MMBZ27VBQC-QZ.pdf
- Description:
- MMBZ27VBQC-Q/SOT8009/DFN1412D-
- Quantity:
- Payment:

- Shipping:

Inventory:6,496
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Product details
Overview
MMBZ27VBQC-QZ from Nexperia is a low-capacitance, bidirectional dual-line ESD protection diode in a DFN1412D-3 (SOT8009) package, designed to protect two signal lines against IEC 61000-4-2/ISO 10605 transients up to 23 kV. It features a 24 V reverse stand-off voltage, 33 V clamping at 2.6 A, and 8 pF capacitance-enabling high-speed interface protection in automotive ECUs and portable electronics.
For engineers reviewing the MMBZ27VBQC-QZ datasheet, MMBZ27VBQC-QZ pinout, MMBZ27VBQC-QZ application, or MMBZ27VBQC-QZ equivalent, key selection criteria include bidirectional clamping performance under 8/20 µs surge, side-wettable flank compatibility with automated optical inspection (AOI), AEC-Q101 qualification for automotive use, and ultra-low 1.4 mm × 1.2 mm footprint for space-constrained PCB layouts.
Technical Context
This device implements a dual-cathode, common-cathode configuration with two independent bidirectional ESD clamps sharing a single ground terminal (Pin 3). Each channel provides symmetrical breakdown behavior (VBR = 25.5–35.5 V) and matched clamping response under both positive and negative TLP pulses (100 ns).
Its DFN1412D-3 package integrates side-wettable flanks for solder-joint quality verification via AOI, while the 0.8 mm pitch and 0.48 mm profile support fine-pitch routing and thermal coupling to PCB copper. The device operates across −55 °C to +150 °C ambient, meeting junction temperature limits up to 150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Stand-off Voltage (VRWM) | 24 V - Maximum continuous working voltage before leakage exceeds 1 µA; defines safe operating margin for 24 V nominal bus lines. |
| Clamping Voltage (VCL) | 33 V (typ.) at 2.6 A, 8/20 µs - Peak voltage seen by protected IC during surge; ensures downstream logic remains below absolute maximum ratings. |
| ESD Withstand (IEC 61000-4-2) | ±23 kV contact discharge - Validates robustness against human-body-model ESD events in automotive cabin and handheld interfaces. |
| Diode Capacitance (Cd) | 8 pF at 0 V, 1 MHz - Enables use on USB 2.0, HDMI, and MIPI D-PHY lines without signal integrity degradation. |
| Peak Pulse Current (IPPM) | 2.6 A, 8/20 µs waveform - Sustains transient energy per IEC 61000-4-5 Level 3 without parametric shift or failure. |
| AEC-Q101 Qualification | Qualified - Confirms reliability for automotive powertrain, body control, and ADAS modules per discrete semiconductor stress test standard. |
Pinout & Package
DFN1412D-3 (SOT8009) is a 3-terminal, leadless plastic package measuring 1.4 mm × 1.2 mm × 0.48 mm with 0.8 mm pitch and side-wettable flanks for automated solder-joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K1 (Cathode 1) | Return path for ESD current from Line 1; connects to protected signal trace and local ground plane via shortest possible path. |
| 2 | K2 (Cathode 2) | Return path for ESD current from Line 2; electrically isolated from Pin 1 but shares common cathode reference at Pin 3. |
| 3 | CC (Common Cathode) | Shared ground node for both clamps; must be routed directly to low-impedance system ground with minimal inductance. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Dual-Line Protection | Two independent ESD clamps in one die enable simultaneous protection of differential or parallel signal pairs (e.g., USB D+/D−, CAN H/L) without external biasing. |
| Side-Wettable Flanks (SWF) | Protruding flank geometry allows AOI systems to inspect solder fillet formation-critical for zero-defect manufacturing in automotive Tier-1 production. |
| Ultra-Low 8 pF Capacitance | Maintains signal rise/fall times <1 ns on 50 Ω traces; validated for >480 Mbps data rates in USB 2.0 and audio codec interfaces. |
| 23 kV IEC 61000-4-2 Rating | Exceeds industrial and automotive ESD immunity requirements (e.g., ISO 11452-2, CISPR 25 Class 5), reducing need for secondary protection stages. |
| AEC-Q101 Qualified | Validated for operation at 150 °C junction temperature and subjected to HTGB, HTRB, and temperature cycling-ensuring long-term reliability in engine bay modules. |
Applications
| Automotive ECU Protection | USB 2.0 Interface Protection |
|---|---|
|
Use Scenario: Protecting LIN/CAN transceiver I/O pins in body control modules exposed to cable-discharge events during vehicle assembly and service. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed within 3 mm of connector entry point to clamp ESD before reaching PHY-level circuitry. Use Value: Prevents latch-up or gate oxide damage in 3.3 V/5 V transceivers while maintaining <1 ns propagation delay through protected lines. |
Use Scenario: Safeguarding D+ and D− lines of USB 2.0 ports in infotainment head units against hot-plug and user-hand ESD. IC Role / Device Role / Timing Role: Dual-channel ESD clamp with shared cathode reduces component count versus discrete diodes and avoids skew between differential signals. Use Value: 8 pF capacitance preserves eye diagram integrity at 480 Mbps; clamping at 33 V prevents USB PHY overvoltage beyond 3.6 V absolute max rating. |
| Portable Audio Codec Protection | Industrial Sensor Interface Protection |
|
Use Scenario: Shielding analog audio input/output paths (e.g., headset jack, microphone bias lines) in smartphones and wearables from user-touch ESD. IC Role / Device Role / Timing Role: Low-leakage (1 nA typ.) bidirectional clamp preserving DC bias integrity while shunting fast transients to ground. Use Value: Sub-1 µA reverse leakage avoids DC offset errors in 24-bit audio ADC front-ends; 23 kV rating covers IEC 61000-4-2 Level 4 compliance. |
Use Scenario: Securing RS-485/RS-422 differential data lines in factory automation controllers connected to long cable runs susceptible to lightning-induced surges. IC Role / Device Role / Timing Role: First-stage protector mounted at board edge to divert 2.6 A 8/20 µs surges before secondary TVS or GDT stages. Use Value: 33 V clamping ensures receiver inputs remain within −7 V to +12 V common-mode range; AEC-Q101 qualification supports extended temperature deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-line ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NUP4202MR6T1G | Higher capacitance (15 pF), lower VRWM (15 V), same DFN1412-3 package but no side-wettable flanks. | Restricted to 15 V systems; unsuitable for AOI-based automotive production due to non-SWF construction. | Select when cost sensitivity outweighs AOI requirement and 15 V line voltage is confirmed. |
| Vishay ESDBL5V0D1W | Lower clamping (28 V at 1 A), higher ESD rating (30 kV), identical 8 pF and AEC-Q101 qualification, but uses DFN1006-3 (SOD-923) package. | Smaller 1.0 mm × 0.6 mm footprint increases routing density but reduces thermal mass for high-repetition surges. | Prefer for ultra-compact designs where 1 A surge capability suffices and board space is constrained. |
Compared with NUP4202MR6T1G and ESDBL5V0D1W, MMBZ27VBQC-QZ uniquely balances 24 V standoff, 33 V clamping at 2.6 A, 8 pF, AEC-Q101, and SWF-enabled manufacturability-making it optimal for automotive-grade dual-line protection where reliability, signal fidelity, and process control are jointly critical.
Availability
MMBZ27VBQC-QZ is available at Aetrix Electronics and suitable for automotive electronic control units, USB 2.0 interface protection, and portable audio codec applications requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for MMBZ27VBQC-QZ 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 specializing in high-performance, reliable discrete, logic, and MOSFET devices, with core R&D and manufacturing in Europe and Asia.
This device belongs to Nexperia's Automotive-qualified ESD Protection portfolio, engineered specifically for robust transient suppression in safety-critical and high-reliability automotive and industrial signal interfaces.
FAQ
What is the maximum junction temperature for continuous operation?
The MMBZ27VBQC-QZ has a maximum junction temperature (Tj) of 150 °C, verified per AEC-Q101 stress testing. Continuous operation at this limit requires adequate PCB copper area (≥100 mm² per mm² of package footprint) and ambient temperatures ≤125 °C to maintain thermal margin.
Can this device protect both differential and single-ended lines simultaneously?
Yes-the dual-cathode architecture allows independent clamping of two signal lines referenced to the common cathode (Pin 3). It is routinely deployed on differential pairs like USB D+/D− or CAN H/L, as well as separate single-ended lines such as I²C SDA/SCL, provided each line connects to K1 or K2 respectively.
Is the 23 kV ESD rating applicable to both contact and air discharge?
The 23 kV rating applies only to contact discharge per IEC 61000-4-2. Air discharge rating is not specified in the datasheet; design margins should assume lower immunity for air discharge, and layout best practices (short trace lengths, ground proximity) must be strictly followed to achieve system-level compliance.
Does the DFN1412D-3 package require special reflow profile considerations?
Yes-reflow must follow JEDEC J-STD-020 moisture sensitivity level (MSL) 1 guidelines. Peak temperature must not exceed 260 °C for ≤30 seconds, and the recommended stencil thickness is 0.1 mm to control solder volume and prevent bridging on the 0.8 mm pitch with side-wettable flanks.
MMBZ27VBQC-QZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 3-XDFN Exposed Pad
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 2
- Voltage - Reverse Standoff (Typ):
- 24V (Max)
- Voltage - Breakdown (Min):
- 25.5V
- Voltage - Clamping (Max) @ Ipp:
- 42V
- Current - Peak Pulse (10/1000µs):
- 2.6A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 6pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- DFN1412D-3
MMBZ27VBQC-QZ FAQ
1.How can I place an order for MMBZ27VBQC-QZ through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ27VBQC-QZ 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 MMBZ27VBQC-QZ reliable?
The price and inventory of MMBZ27VBQC-QZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ27VBQC-QZ is usually 5 days.
3.What payment methods are accepted for MMBZ27VBQC-QZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ27VBQC-QZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ27VBQC-QZ?
MMBZ27VBQC-QZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ27VBQC-QZ 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 MMBZ27VBQC-QZ?
For technical support, including MMBZ27VBQC-QZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ27VBQC-QZ requirements.
6.How does Aetrix verify that MMBZ27VBQC-QZ is sourced from the original manufacturer or authorized distributors?
All MMBZ27VBQC-QZ 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 MMBZ27VBQC-QZ meets industry standards.
7.What is the process for return or replacement of MMBZ27VBQC-QZ?
All MMBZ27VBQC-QZ units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ27VBQC-QZ, 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 MMBZ27VBQC-QZ part is unused and in its original packaging.
Return procedure for MMBZ27VBQC-QZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ27VBQC-QZ Tags

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