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Diodes Incorporated SMCJ11AQ-13-F
- Part No.:
- SMCJ11AQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ11AQ-13-F.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR SMC
- Quantity:
- Payment:
- Shipping:
Inventory:5,670
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Product details
Overview
SMCJ11AQ-13-F from Diodes Incorporated is a unidirectional 1,500W automotive transient voltage suppressor (TVS) diode in SMC package, with 11V reverse standoff voltage (VRWM), 18.2V max clamping voltage at 82.4A peak pulse current, and AEC-Q101 qualification for under-hood power line protection against ISO7637-2 Pulse 1 (–100V), Pulse 2a (+50V), and ISO10605 ESD (±30kV).
For engineers reviewing the SMCJ11AQ-13-F datasheet, SMCJ11AQ-13-F pinout, SMCJ11AQ-13-F application, or SMCJ11AQ-13-F equivalent, this part supports high-reliability automotive circuit protection where fast clamping response (<1 ns), low leakage (<5 µA @ 11V), and IATF 16949-manufactured traceability are critical selection criteria.
Technical Context
This TVS diode operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds 11V VRWM and fully clamping within nanoseconds to limit transients to ≤18.2V at 82.4A (10/1000 µs waveform). It sustains 200A non-repetitive surge (8.3 ms half-sine) and dissipates 5W steady-state power at TL = +75°C.
Designed for automotive power rail protection, it meets ISO7637-2 Pulse 1 (–100V), Pulse 2a (+50V), Pulse 3a (–150V), Pulse 3b (+100V) and ISO10605 (±30kV air/contact discharge), with glass-passivated die construction ensuring stable breakdown and low capacitance (<100 pF at 0 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 1500W - withstands severe automotive load dump and inductive switching surges without failure |
| Reverse Standoff Voltage (VRWM) | 11.0V - sets minimum operating voltage threshold before clamping activation on 12V systems |
| Max Clamping Voltage (VC @ IPP) | 18.2V @ 82.4A - limits downstream IC voltage stress during ISO7637-2 Pulse 1 and Pulse 2a events |
| Breakdown Voltage (VBR min/max) | 12.2V / 13.5V @ 1.0mA - ensures tight tolerance for predictable clamping onset across temperature |
| Leakage Current (IR) | <5.0µA @ 11V - prevents excessive quiescent current draw in always-on vehicle modules |
| Operating Temperature | –55°C to +150°C - supports placement near engines, ECUs, and battery management units |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including HTOL, TCT, and ESD testing per AEC standard |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, molded plastic body with UL 94V-0 flammability rating, cathode band polarity indicator, and matte tin lead finish solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-voltage return path; defines unidirectional conduction direction |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., battery feed); absorbs positive transients via avalanche breakdown |
Key Features
| Feature | Design Value |
|---|---|
| 1,500W peak pulse power | Enables robust protection against worst-case ISO7637-2 load dump and alternator surge events |
| Glass-passivated die construction | Ensures stable VBR over lifetime and resistance to humidity-induced parameter drift |
| Fast response time (<1 ns) | Clamps transients before sensitive CAN/LIN transceivers or microcontrollers experience overvoltage damage |
| AEC-Q101 qualified & IATF 16949 manufacturing | Guarantees automotive supply chain traceability, PPAP readiness, and zero-defect production control |
| Halogen- and antimony-free "Green" design | Meets EU RoHS 3 (2015/863/EU) and automotive OEM environmental compliance requirements |
Applications
| Engine Control Unit (ECU) Power Input | Body Control Module (BCM) LIN Bus Line |
|---|---|
|
Use Scenario: Protects 12V supply rail of engine control units exposed to alternator load dump and starter motor kickback. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between battery feed and DC-DC converter input. Use Value: Clamps transients to ≤18.2V, preventing damage to 24V-tolerant PMICs and MCU power domains while maintaining <5µA leakage at nominal 12V. |
Use Scenario: Shields LIN physical layer transceivers from ESD events and wiring harness coupling noise in door modules and seat controls. IC Role / Device Role / Timing Role: Low-capacitance TVS mounted directly at LIN connector entry point. Use Value: Delivers ±30kV contact discharge immunity per ISO10605 without signal distortion, thanks to sub-100pF capacitance and nanosecond response. |
| Advanced Driver Assistance Systems (ADAS) Camera Power | Electric Power Steering (EPS) Motor Driver Supply |
|
Use Scenario: Safeguards 12V input of rear-view or surround-view camera modules mounted in bumper zones subject to mechanical ESD and thermal cycling. IC Role / Device Role / Timing Role: Primary overvoltage clamp on camera module's front-end power stage. Use Value: Withstands –55°C to +150°C ambient operation and maintains clamping stability across temperature, critical for vision system uptime. |
Use Scenario: Protects H-bridge gate driver supplies in EPS systems from inductive kickback during motor commutation and fault shutdown. IC Role / Device Role / Timing Role: Secondary surge suppression device parallel to bulk input capacitor on motor driver PCB. Use Value: Absorbs 200A 8.3ms half-sine surges without degradation, preserving MOSFET gate oxide integrity and reducing field failure rates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional automotive TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC11-0105-0150 (Littelfuse) | Same 11V VRWM, 18.2V VC, but rated for 1,500W with 10/1000µs waveform; slightly higher IR (10µA @ 11V) | Approved for Tier-1 ADAS suppliers requiring Littelfuse-specific PPAP documentation | Select if sourcing ecosystem mandates Littelfuse qualification or requires alternate tape-and-reel packaging (1,000 pcs/reel vs. 3,000) |
| TPSMA11A (Texas Instruments) | Identical VRWM (11V), VC (18.2V), and PPK (1,500W), but AEC-Q101 tested to lower temperature range (–40°C to +125°C) | Used in infotainment head units where extended high-temp operation is not required | Prefer for cost-sensitive non-under-hood applications where full –55°C start-up capability is unnecessary |
Compared with SAC11-0105-0150 and TPSMA11A, SMCJ11AQ-13-F offers broader operating temperature (–55°C to +150°C), tighter IR spec (<5µA), and direct IATF 16949 traceability-making it optimal for engine bay, transmission control, and EPS deployments demanding maximum thermal margin and supply chain rigor.
Availability
SMCJ11AQ-13-F is available at Aetrix Electronics and suitable for automotive ECU power protection, ADAS camera input conditioning, LIN bus ESD hardening, and electric power steering motor driver safeguarding requiring stable component supply across multi-year vehicle production cycles.
Supply support for SMCJ11AQ-13-F 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
Diodes Incorporated is a global semiconductor manufacturer specializing in discrete, analog, and mixed-signal solutions, with operations certified to IATF 16949 and ISO 9001 standards.
The SMCJ series belongs to Diodes' AEC-Q101-qualified automotive TVS portfolio, engineered specifically for ISO7637-2 and ISO10605 compliance in harsh-temperature vehicle subsystems.
FAQ
Is SMCJ11AQ-13-F bidirectional or unidirectional?
SMCJ11AQ-13-F is unidirectional. The absence of the "C" suffix (e.g., SMCJ11CAQ-13-F) confirms single-polarity operation: it clamps only positive transients on the cathode side relative to anode ground. Bidirectional variants carry the "C" designation and lack a cathode band marking.
What is the maximum allowable junction temperature during surge events?
The absolute maximum junction temperature is +150°C. During a single 10/1000 µs 82.4A pulse, junction temperature rise is limited by thermal mass and short duration; continuous operation must remain within the derated PM(AV) curve-5.0W at TL = +75°C, decreasing linearly to zero at +150°C case temperature.
Does SMCJ11AQ-13-F require external heat sinking for 5W steady-state dissipation?
No external heatsink is required for 5W steady-state dissipation when leads are maintained at +75°C (TL), per the datasheet's PM(AV) rating. PCB copper area (≥1 in² per lead) and 2 oz. copper layers provide sufficient conduction; forced airflow or heatsinking is unnecessary unless ambient exceeds +75°C or duty cycle increases beyond specified derating.
How does the SMC package compare to SMA or SMB in terms of surge handling?
The SMC (DO-214AB) package delivers higher thermal mass and lower thermal resistance than SMA (DO-214AC) or SMB (DO-214AA), enabling 1500W peak power vs. ~600W (SMA) or ~1000W (SMB). Its larger footprint (6.22 × 7.11 mm) and thicker leads improve current spreading and reduce bond wire stress during 200A 8.3ms surges.
SMCJ11AQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11V
- Voltage - Breakdown (Min):
- 12.2V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 82.4A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMC
SMCJ11AQ-13-F FAQ
1.How can I place an order for SMCJ11AQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ11AQ-13-F 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 SMCJ11AQ-13-F reliable?
The price and inventory of SMCJ11AQ-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ11AQ-13-F is usually 5 days.
3.What payment methods are accepted for SMCJ11AQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ11AQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ11AQ-13-F?
SMCJ11AQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ11AQ-13-F 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 SMCJ11AQ-13-F?
For technical support, including SMCJ11AQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ11AQ-13-F requirements.
6.How does Aetrix verify that SMCJ11AQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMCJ11AQ-13-F 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 SMCJ11AQ-13-F meets industry standards.
7.What is the process for return or replacement of SMCJ11AQ-13-F?
All SMCJ11AQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ11AQ-13-F, 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 SMCJ11AQ-13-F part is unused and in its original packaging.
Return procedure for SMCJ11AQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ11AQ-13-F Tags
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