Nexperia USA Inc. MMBZ15VDL,215
- Part No.:
- MMBZ15VDL,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBZ15VDL,215.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC TO236AB
- Quantity:
- Payment:

- Shipping:

Inventory:2,970
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Product details
Overview
MMBZ15VDL from Nexperia is a unidirectional double ESD protection diode in common-cathode SOT23 configuration, designed for transient overvoltage suppression on up to two signal lines. It delivers 30 kV contact ESD immunity (IEC 61000-4-2 Level 4), 12.8 V reverse standoff voltage, ≤105 pF capacitance, and clamps at 21.2 V under 1.9 A 10/1000 µs surge - deployed in USB data lines of portable electronics.
For engineers reviewing the MMBZ15VDL datasheet, MMBZ15VDL pinout, MMBZ15VDL application, or MMBZ15VDL equivalent, key selection criteria include common-cathode dual-line ESD topology, low-leakage (<5 nA) operation, thermal resistance (Rth(j-a) = 350 K/W), and IEC 61643-321 compliance for industrial-grade transient suppression.
Technical Context
This device implements a dual-anode, single-common-cathode structure enabling independent unidirectional protection of two signal paths referenced to ground. Its clamping behavior is defined by a 15 V nominal breakdown voltage (VBR = 14.3–15.8 V @ 1 mA) and 21.2 V VCL at 1.9 A peak pulse current.
The SOT23 package supports high-density PCB layout with minimal parasitic inductance; thermal performance is characterized with Rth(j-sp) = 280 K/W to solder point and junction temperature limit of 150 °C - critical for sustained surge duty in handheld interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage (VRWM) | 12.8 V - maximum continuous operating voltage before conduction begins; ensures signal integrity during normal operation. |
| Clamping Voltage (VCL) | 21.2 V @ 1.9 A, 10/1000 µs - limits transient voltage seen by downstream ICs to safe levels during surge events. |
| Diode Capacitance (Cd) | 85–105 pF @ 1 MHz, 0 V - low enough to avoid signal distortion on high-speed lines like USB 2.0 or audio I²S. |
| ESD Rating | 30 kV contact discharge (IEC 61000-4-2 Level 4) - meets industrial and consumer ESD immunity requirements without external circuitry. |
| Peak Pulse Power (PPPM) | 40 W @ 10/1000 µs - sustains short-duration transients without degradation across rated temperature range. |
| Leakage Current (IRM) | ≤5 nA @ 12.8 V - negligible loading on high-impedance sensor or analog signal paths. |
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 placement and reflow soldering per IPC-7351B footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Anode (Diode 1) | Connects to first protected signal line; forward-biased during positive transients relative to cathode. |
| 2 | Anode (Diode 2) | Connects to second protected signal line; enables independent unidirectional clamping for dual-line interfaces. |
| 3 | Common Cathode | Shared ground reference node; must be routed with low-inductance path to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-line unidirectional ESD protection | Single-device solution for protecting two separate signal paths (e.g., D+ and D−) without cross-talk or shared failure modes. |
| Bidirectional capability on one line | Configurable as bidirectional protector by grounding both anodes - useful for AC-coupled or floating signal lines. |
| Ultra-low leakage current | 0.1–5 nA reverse current ensures no measurable DC loading on precision analog or battery-powered circuits. |
| Controlled clamping threshold | VBR = 14.3–15.8 V and VCL = 21.2 V provide predictable, repeatable surge limiting aligned with 3.3 V/5 V interface rail margins. |
Applications
| USB 2.0 Data Lines | Audio Line-In/Line-Out |
|---|---|
Use Scenario: ESD protection for D+ and D− pins of USB 2.0 connectors on portable devices. IC Role / Device Role: Transient voltage suppressor placed directly at connector entry point. Use Value: Prevents latch-up or gate oxide damage in USB PHY ICs during handling or cable insertion events. | Use Scenario: Protection of stereo analog audio inputs/outputs against ESD from headphone jacks or line cables. IC Role / Device Role: Low-capacitance clamp preserving frequency response up to 20 kHz while blocking >15 kV air discharge. Use Value: Maintains SNR >95 dB and avoids audible pop/click artifacts during user interaction. |
| Cellular Antenna Switch Control | Industrial Sensor Interface |
Use Scenario: Guarding GPIO-controlled RF antenna switch enable lines exposed to user-accessible zones. IC Role / Device Role: Signal-line protector for 1.8 V logic-level control signals routing near chassis edges. Use Value: Ensures reliable switching function after repeated 30 kV contact discharges without parameter drift. | Use Scenario: Protecting 4–20 mA current-loop sensor inputs in factory automation panels. IC Role / Device Role: First-stage transient suppressor on field-side analog input traces before signal conditioning op-amps. Use Value: Eliminates need for secondary TVS stages, reducing BOM count and PCB area by 30%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NUP4105MR6T1G | Quad-channel, 12 V VRWM, 150 pF typical Cd, higher leakage (≤100 nA) | Supports four lines but with higher capacitance - unsuitable for >10 Mbps data rates | Select when multi-line density outweighs speed constraints; verify layout clearance for quad footprint. |
| Vishay ESDE0402-150E | Single-line, 15 V VRWM, 12 pF Cd, lower power rating (24 W) | Optimized for ultra-high-speed lines (e.g., HDMI); lacks dual-line integration | Choose for bandwidth-critical single channels where <15 pF capacitance is mandatory. |
Compared with NUP4105MR6T1G and ESDE0402-150E, MMBZ15VDL uniquely balances dual-line integration, sub-105 pF capacitance, and 40 W surge capacity - making it optimal for space-constrained USB/audio interfaces requiring robustness without sacrificing signal fidelity.
Availability
MMBZ15VDL is available at Aetrix Electronics and suitable for USB 2.0 interfaces, portable audio subsystems, and cellular handset peripheral protection requiring stable component supply and long-term production continuity.
Supply support for MMBZ15VDL 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 discrete and logic devices, with leadership in ESD protection, MOSFETs, and bipolar transistors.
The MMBZ15VDL belongs to Nexperia's ESD protection diode product line, engineered specifically for cost-effective, board-level transient suppression in consumer and industrial portable electronics.
FAQ
What is the maximum operating temperature for MMBZ15VDL?
The MMBZ15VDL has a maximum junction temperature (Tj) of 150 °C and operates across an ambient temperature range of −55 °C to +150 °C. Thermal resistance from junction to ambient is 350 K/W on standard FR4 PCB, so power dissipation must be limited to maintain safe Tj under surge conditions.
Can MMBZ15VDL protect bidirectional signal lines like RS-485?
Yes - when both anodes (pins 1 and 2) are connected to the same differential pair and the common cathode (pin 3) is grounded, the device functions as a bidirectional protector for one line. However, its 21.2 V clamping voltage exceeds RS-485 common-mode limits; use only for low-voltage differential interfaces with ≥±15 V tolerance.
How does MMBZ15VDL compare to standard Zener diodes for ESD protection?
Unlike general-purpose Zeners, MMBZ15VDL is optimized for fast transient response (sub-nanosecond turn-on), guaranteed 30 kV ESD rating, and tightly controlled capacitance (85–105 pF). Standard Zeners lack IEC 61000-4-2 qualification, exhibit higher leakage, and show inconsistent clamping under repetitive surges.
Is MMBZ15VDL automotive-qualified?
No - this variant is non-automotive qualified per Nexperia's revision history. It is not tested to AEC-Q200 or qualified for automotive environments. For automotive applications, Nexperia offers the -Q qualified MMBZ15VDL-Q series with extended temperature screening and PPAP documentation.
MMBZ15VDL,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):
- 12.8V (Max)
- Voltage - Breakdown (Min):
- 14.3V
- Voltage - Clamping (Max) @ Ipp:
- 21.2V
- Current - Peak Pulse (10/1000µs):
- 1.9A
- Power - Peak Pulse:
- 40W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 85pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
MMBZ15VDL,215 FAQ
1.How can I place an order for MMBZ15VDL,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ15VDL,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 MMBZ15VDL,215 reliable?
The price and inventory of MMBZ15VDL,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ15VDL,215 is usually 5 days.
3.What payment methods are accepted for MMBZ15VDL,215?
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4.How is shipping managed for MMBZ15VDL,215?
MMBZ15VDL,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ15VDL,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 MMBZ15VDL,215?
For technical support, including MMBZ15VDL,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ15VDL,215 requirements.
6.How does Aetrix verify that MMBZ15VDL,215 is sourced from the original manufacturer or authorized distributors?
All MMBZ15VDL,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 MMBZ15VDL,215 meets industry standards.
7.What is the process for return or replacement of MMBZ15VDL,215?
All MMBZ15VDL,215 units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ15VDL,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 MMBZ15VDL,215 part is unused and in its original packaging.
Return procedure for MMBZ15VDL,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ15VDL,215 Tags

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DESD3V3E1BL-7B
Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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Diodes Incorporated

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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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