My Inquiry
My Account
Nexperia USA Inc. MMBZ12VDL,215
- Part No.:
- MMBZ12VDL,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MMBZ12VDL,215.pdf
- Description:
- TVS DIODE 8.5VWM 17VC TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,046
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MMBZ12VDL 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), 8.5 V reverse standoff voltage, ≤140 pF capacitance, ≤5 nA leakage at 8.5 V, and 40 W peak pulse power - deployed in automotive ECUs and portable electronics interfaces.
For engineers reviewing the MMBZ12VDL datasheet, MMBZ12VDL pinout, MMBZ12VDL application, or MMBZ12VDL equivalent, this page provides verified package mapping (SOT23), terminal roles (A1/A2/CC), clamping behavior (17 V @ 2.35 A), thermal resistance (280 K/W junction-to-solder point), and AEC-Q101 qualification status - all critical for high-reliability interface protection design.
Technical Context
This dual-anode, single-common-cathode ESD suppressor operates in unidirectional mode across two independent signal paths, with each anode–cathode junction exhibiting 11.4–12.6 V breakdown and 17 V clamping at 2.35 A (10/1000 µs). Its low 110–140 pF capacitance enables use on high-speed lines including USB 2.0 and audio I²S without signal integrity degradation.
The device supports bidirectional protection of a single line by leveraging symmetrical conduction between A1 and A2 when referenced to CC, while maintaining AEC-Q101 qualification and operation across –55 °C to +150 °C ambient. Thermal resistance to solder point is 280 K/W, enabling reliable power dissipation on standard FR4 PCBs with tin-plated cathode pads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 8.5 V - Maximum continuous operating voltage before clamping begins; ensures no interference with 5 V or 3.3 V logic signaling. |
| Clamping Voltage | 17 V @ 2.35 A (10/1000 µs) - Limits transient energy delivered to protected ICs during surge events. |
| Diode Capacitance | 110–140 pF @ 1 MHz, 0 V - Low enough for <100 Mbps digital interfaces without measurable rise-time degradation. |
| ESD Rating | 30 kV contact discharge (IEC 61000-4-2 Level 4) - Meets industrial and automotive ESD immunity requirements out-of-box. |
| Peak Pulse Power | 40 W - Sustains 10/1000 µs transients per IEC 61643-321 without degradation. |
| Leakage Current | ≤5 nA @ 8.5 V - Prevents DC loading on high-impedance sensor or bias networks. |
| Breakdown Voltage | 11.4–12.6 V @ 1 mA - Tight 5% tolerance ensures predictable turn-on timing across production lots. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm lead pitch, 3-terminal configuration with gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (A1) | Anode of Diode 1 | Connects to first protected signal line; conducts transient current to common cathode during overvoltage. |
| 2 (A2) | Anode of Diode 2 | Connects to second protected signal line; electrically isolated from A1 but shares cathode return path. |
| 3 (CC) | Common Cathode | Single low-inductance ground reference for both diodes; must be routed directly to system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional dual-line protection | Enables independent ESD suppression on two separate data lines (e.g., D+ and D−) using one component. |
| Bidirectional single-line protection | Supports ESD protection on AC-coupled or bipolar signal lines (e.g., RS-485) via A1–A2 differential conduction. |
| AEC-Q101 qualification | Validated for automotive under-hood and cabin applications with full temperature cycling, HTRB, and ESD stress testing. |
| Ultra-low leakage (≤5 nA) | Maintains signal integrity in high-impedance analog sensor front-ends and battery-powered wake-up circuits. |
| Low thermal resistance (280 K/W j–sp) | Enables reliable 40 W pulse handling on standard FR4 PCBs without heatsinking or copper pour augmentation. |
Applications
| Automotive ECU Interfaces | USB 2.0 Data Lines |
|---|---|
Use Scenario: Protecting CAN FD or LIN bus transceivers from ESD events during vehicle assembly or service. IC Role / Device Role / Timing Role: Unidirectional clamp on TX/RX lines referenced to chassis ground, activated within nanoseconds of ESD strike. Use Value: Prevents latch-up or gate oxide damage in transceivers rated only to ±8 kV HBM, extending field reliability beyond IEC 61000-4-2 Level 4. |
Use Scenario: Safeguarding USB 2.0 D+ and D− pins on host controllers and peripheral devices against user-handling ESD. IC Role / Device Role / Timing Role: Dual-anode ESD clamp placed immediately adjacent to USB connector, with CC tied to shield ground. Use Value: 110–140 pF capacitance avoids USB 2.0 eye diagram closure; 17 V clamping prevents PHY overvoltage beyond 3.6 V absolute max rating. |
| Audio Codec I²S Buses | Automotive Infotainment Touch Controllers |
Use Scenario: Shielding high-speed I²S clock and data lines in automotive head units from board-level ESD coupling. IC Role / Device Role / Timing Role: Common-cathode dual diode placed at codec output, with A1 on BCLK and A2 on SDATA. Use Value: Sub-140 pF loading preserves >10 MHz clock edge rates; 8.5 V VRWM accommodates 3.3 V I/O swing with margin. |
Use Scenario: Protecting capacitive touch controller I/Os (e.g., TSP lines) from ESD during display integration and end-user interaction. IC Role / Device Role / Timing Role: Bidirectional clamp formed between two touch sense lines referenced to CC, absorbing ±15 kV air discharge. Use Value: Enables direct integration into touch FPC routing without additional TVS arrays; AEC-Q101 ensures qualification for dashboard mounting. |
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 12.5 V VRWM, 20 V clamping @ 2.5 A, 150 pF capacitance, same SOT23-3 package. | Preferred for 12 V automotive sensor buses where higher standoff is required; less suitable for 3.3 V USB due to tighter clamping margin. | Select when protecting 10–12 V nominal lines with stricter clamping limits; verify layout compatibility with 150 pF loading. |
| Vishay ESDE0402MUT5G | Lower 5.5 V VRWM, 12 V clamping @ 2 A, 100 pF capacitance, SOD-523 package (smaller footprint). | Better suited for space-constrained 3.3 V/1.8 V mobile interfaces; not AEC-Q101 qualified. | Choose for ultra-compact consumer designs where AEC-Q101 is unnecessary and lower capacitance is prioritized over automotive compliance. |
Compared with NUP4202MR6T1G and ESDE0402MUT5G, MMBZ12VDL uniquely balances AEC-Q101 qualification, 8.5 V standoff for 5 V systems, and 110–140 pF loading - making it optimal for cost-sensitive automotive infotainment and industrial USB interfaces requiring production-grade reliability.
Availability
MMBZ12VDL is available at Aetrix Electronics and suitable for automotive electronic control units, USB 2.0 interface protection, and portable audio equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MMBZ12VDL 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 optimized for efficiency, miniaturization, and robustness.
MMBZ12VDL belongs to Nexperia's ESD protection diode product line, engineered specifically for automotive-grade transient suppression in space-constrained, high-speed signal paths where AEC-Q101 compliance and low capacitance are mandatory.
FAQ
Is MMBZ12VDL suitable for bidirectional signal lines like RS-485?
Yes - when used with both anodes (A1 and A2) connected to opposite sides of a differential pair and the common cathode (CC) grounded, MMBZ12VDL provides effective bidirectional ESD clamping. Its 30 kV contact discharge rating and 17 V clamping voltage protect transceivers without interfering with ±5 V differential signaling.
What is the maximum recommended PCB trace length between MMBZ12VDL and the protected connector?
Nexperia recommends placing MMBZ12VDL within 2 mm of the protected connector pin. Longer traces increase inductance, degrading clamping response time and allowing voltage overshoot beyond the 17 V spec - especially critical for ESD pulses with <1 ns rise times.
Does MMBZ12VDL require external series impedance for optimal ESD performance?
No external resistor is required for basic ESD protection, but adding a 0 Ω or low-value (e.g., 10 Ω) series resistor between the protected line and A1/A2 improves current sharing during multi-pulse events and reduces risk of localized heating. This is optional and layout-dependent.
How does thermal resistance change if MMBZ12VDL is mounted on a 2-layer versus 4-layer PCB?
On a 2-layer FR4 board with single-sided copper, Rth(j–a) is 350 K/W; on a 4-layer board with internal ground planes and multiple vias to CC, it drops to ~180 K/W. The 280 K/W Rth(j–sp) value assumes optimal cathode pad design - independent of layer count but dependent on solder joint quality and pad area.
MMBZ12VDL,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):
- 8.5V (Max)
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 2.35A
- Power - Peak Pulse:
- 40W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 110pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
MMBZ12VDL,215 FAQ
1.How can I place an order for MMBZ12VDL,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for MMBZ12VDL,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 MMBZ12VDL,215 reliable?
The price and inventory of MMBZ12VDL,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MMBZ12VDL,215 is usually 5 days.
3.What payment methods are accepted for MMBZ12VDL,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MMBZ12VDL,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MMBZ12VDL,215?
MMBZ12VDL,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MMBZ12VDL,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 MMBZ12VDL,215?
For technical support, including MMBZ12VDL,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MMBZ12VDL,215 requirements.
6.How does Aetrix verify that MMBZ12VDL,215 is sourced from the original manufacturer or authorized distributors?
All MMBZ12VDL,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 MMBZ12VDL,215 meets industry standards.
7.What is the process for return or replacement of MMBZ12VDL,215?
All MMBZ12VDL,215 units undergo pre-shipment inspection (PSI). If there is an issue with MMBZ12VDL,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 MMBZ12VDL,215 part is unused and in its original packaging.
Return procedure for MMBZ12VDL,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MMBZ12VDL,215 Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
