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Nexperia USA Inc. MMBZ20VAL,215
- Part No.:
- MMBZ20VAL,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBZ20VAL,215.pdf
- Description:
- TVS DIODE 17VWM 28VC TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:43,354
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Product details
Overview
MMBZ20VAL from Nexperia is a unidirectional double ESD protection diode in common-anode SOT23 configuration, designed for transient overvoltage protection of two signal lines. It delivers 30 kV contact ESD immunity (IEC 61000-4-2 Level 4), 40 W peak pulse power, and ultra-low 65–80 pF capacitance - enabling high-speed data line protection in portable audio interfaces and USB peripherals.
For engineers reviewing the MMBZ20VAL datasheet, MMBZ20VAL pinout, MMBZ20VAL application, or MMBZ20VAL equivalent, key selection criteria include reverse standoff voltage (17 V), clamping voltage (28 V at 1.4 A), low leakage (≤5 nA), and dual-line protection topology in a 3-pin SOT23 package.
Technical Context
This device implements a common-anode dual-diode architecture, allowing independent unidirectional protection of two signal paths referenced to ground. Its IEC 61643-321-compliant 10/1000 µs surge response and 30 kV contact ESD rating meet stringent end-equipment immunity requirements.
The diode pair shares thermal coupling through the common anode (Pin 3), with junction-to-solder-point thermal resistance of 340 K/W and clamping behavior defined by VBR = 19–21 V and VCL = 28 V under 1.4 A IPPM - ensuring predictable voltage limiting during transients.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 17 V - maximum continuous operating voltage before conduction begins on protected lines |
| Clamping Voltage | 28 V at 1.4 A - limits transient voltage across protected signal lines during 10/1000 µs surges |
| Diode Capacitance | 65–80 pF at 1 MHz - preserves signal integrity on high-speed lines like USB 2.0 or HDMI DDC |
| ESD Rating | 30 kV contact discharge (IEC 61000-4-2 Level 4) - withstands direct human-body ESD events |
| Peak Pulse Power | 40 W - handles short-duration transients without degradation under standard PCB mounting |
| Leakage Current | ≤5 nA at 17 V - minimizes DC loading and battery drain in always-on portable circuits |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 × 1.3 × 1.0 mm body, optimized for automated reflow assembly and space-constrained layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to first signal line requiring unidirectional ESD protection toward ground |
| 2 | Cathode (Diode 2) | Connects to second independent signal line; enables dual-line protection from single device |
| 3 | Common Anode | Shared ground reference terminal; establishes common return path for both protection paths |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional dual-line protection | Single SOT23 device protects two independent positive-going signal lines to ground |
| Bidirectional single-line capability | Configurable as bidirectional protector by grounding one cathode and using remaining cathode/anode pair |
| Low capacitance (65–80 pF) | Enables use on 480 Mbps USB 2.0, I²C, and audio codec interfaces without signal distortion |
| Ultra-low leakage (≤5 nA) | Preserves battery life in always-connected wearables and Bluetooth accessories |
| IEC 61000-4-2 Level 4 compliance | Validated for 30 kV contact / 15 kV air discharge - meets industrial and consumer ESD robustness mandates |
Applications
| USB 2.0 Data Lines | Smartphone Audio Jacks |
|---|---|
|
Use Scenario: ESD protection for D+ and D− pins on USB 2.0 host/device connectors exposed to user handling. IC Role / Device Role / Timing Role: Transient voltage suppressor placed within 2 mm of connector, clamping fast-rising ESD pulses before they reach PHY IC. Use Value: Prevents latch-up or permanent damage to USB transceivers while maintaining <100 pF total line capacitance for full-speed signaling compliance. |
Use Scenario: Protection of left/right channel and microphone sense lines in 3.5 mm TRRS smartphone jacks. IC Role / Device Role / Timing Role: Common-anode dual-diode shunts ESD energy from each audio path to ground during plug insertion/removal. Use Value: Eliminates pop/noise artifacts and IC damage without degrading analog audio bandwidth (<20 kHz) due to sub-80 pF loading. |
| Industrial HMI Touch Panels | Wireless Headset Control Buttons |
|
Use Scenario: Guarding I²C or SPI lines connecting capacitive touch controller to MCU in factory-floor HMIs. IC Role / Device Role / Timing Role: Low-leakage ESD clamp on SDA/SCL lines, placed adjacent to touch sensor flex connector entry point. Use Value: Maintains I²C timing margins (400 kHz standard mode) while surviving repeated 8 kV HBM and 30 kV contact ESD events in dusty environments. |
Use Scenario: Protecting momentary push-button inputs (volume up/down, play/pause) on Bluetooth headsets. IC Role / Device Role / Timing Role: Single-device dual-cathode solution routes ESD from two button traces to shared ground plane via Pin 3. Use Value: Reduces BOM count vs. discrete diodes and avoids PCB routing congestion in sub-20 mm² button module areas. |
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 NUP2114 | Higher capacitance (100 pF typ), same 17 V VRWM, but rated for 30 kV ESD only (not Level 4 certified) | Acceptable for cost-sensitive consumer audio where 80 pF vs. 100 pF has no signal integrity impact | Select when lower unit cost outweighs need for IEC 61000-4-2 Level 4 documentation and tighter capacitance control |
| Vishay ESD9X3.3S | Lower VRWM (3.3 V), higher capacitance (120 pF), supports bidirectional dual-line but not unidirectional dual-line topology | Suitable for 3.3 V logic-level I/O protection, not compatible with 5 V or 12 V signal rails | Choose only for 3.3 V systems requiring higher ESD margin (30 kV) and accepting greater signal loading |
Compared with NUP2114 and ESD9X3.3S, MMBZ20VAL uniquely combines 17 V standoff, ≤80 pF capacitance, and IEC 61000-4-2 Level 4 certification in a common-anode SOT23 - making it optimal for 5 V USB, audio, and industrial interface protection where signal fidelity and regulatory compliance are jointly critical.
Availability
MMBZ20VAL is available at Aetrix Electronics and suitable for USB 2.0 interfaces, smartphone audio subsystems, and industrial HMI touch controllers requiring stable component supply and guaranteed long-term manufacturability.
Supply support for MMBZ20VAL 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 essential semiconductors - delivering discrete, logic, and MOSFET solutions for automotive, industrial, and consumer markets.
MMBZ20VAL belongs to Nexperia's ESD protection diode portfolio, engineered specifically for compact, low-capacitance transient suppression in high-speed digital and analog signal paths of portable and connected devices.
FAQ
What is the maximum working voltage this diode can protect?
The MMBZ20VAL has a reverse standoff voltage (VRWM) of 17 V, meaning it remains non-conductive up to this DC or RMS voltage on protected lines. Operation above 17 V risks premature conduction and potential signal disruption, so it is strictly limited to 17 V maximum continuous working voltage in normal operation.
Can this device protect bidirectional signals like RS-232 or CAN?
No - MMBZ20VAL is unidirectional and configured as a common-anode dual-diode. It protects positive-going transients only. For true bidirectional protection (e.g., RS-232), two devices would be needed back-to-back, or a dedicated bidirectional TVS like PESD5V0S1BA should be used instead.
How close must it be placed to the protected connector?
To maintain effectiveness, MMBZ20VAL must be placed within 2 mm of the protected connector per IEC 61000-4-2 layout guidelines. Longer trace lengths add inductance that raises clamped voltage during ESD events, potentially exceeding downstream IC absolute maximum ratings.
Does it require a heatsink for 40 W pulse handling?
No - the 40 W peak pulse power rating applies to 10/1000 µs waveforms and is thermally sustainable without heatsinking when mounted on standard FR4 PCB with recommended footprint. The device relies on PCB copper area for transient heat dissipation, not external heatsinks.
MMBZ20VAL,215 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 17V (Max)
- Voltage - Breakdown (Min):
- 19V
- Voltage - Clamping (Max) @ Ipp:
- 28V
- Current - Peak Pulse (10/1000µs):
- 1.4A
- Power - Peak Pulse:
- 40W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 65pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
MMBZ20VAL,215 FAQ
1.How can I place an order for MMBZ20VAL,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ20VAL,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 MMBZ20VAL,215 reliable?
The price and inventory of MMBZ20VAL,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ20VAL,215 is usually 5 days.
3.What payment methods are accepted for MMBZ20VAL,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ20VAL,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ20VAL,215?
MMBZ20VAL,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ20VAL,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 MMBZ20VAL,215?
For technical support, including MMBZ20VAL,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ20VAL,215 requirements.
6.How does Aetrix verify that MMBZ20VAL,215 is sourced from the original manufacturer or authorized distributors?
All MMBZ20VAL,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 MMBZ20VAL,215 meets industry standards.
7.What is the process for return or replacement of MMBZ20VAL,215?
All MMBZ20VAL,215 units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ20VAL,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 MMBZ20VAL,215 part is unused and in its original packaging.
Return procedure for MMBZ20VAL,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ20VAL,215 Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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