Taiwan Semiconductor Corporation SMB10J13AH
- Part No.:
- SMB10J13AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J13AH.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:4,470
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Product details
Overview
SMB10J13AH from Taiwan Semiconductor is a unidirectional 1000W surface-mount transient voltage suppressor (TVS) diode with a standoff voltage of 13 V, breakdown voltage range 14.4–15.9 V, and clamping voltage of 21.5 V at 46.5 A peak pulse current-designed for automotive lighting and ECU power rail protection against ISO 7637-2 pulses.
For engineers reviewing the SMB10J13AH datasheet, SMB10J13AH pinout, SMB10J13AH application, or SMB10J13AH equivalent, key selection criteria include unidirectional polarity, DO-214AA (SMB) package compatibility, AEC-Q101 qualification, 175°C max junction temperature, and verified clamping performance under 10/1000 µs transients.
Technical Context
The SMB10J13AH uses a glass-passivated silicon junction optimized for fast transient response (<1.0 ps), enabling effective suppression of electrical fast transients (EFT) and inductive switching spikes. Its unidirectional configuration provides forward conduction capability with VF = 3.5 V @ 50 A, supporting bidirectional surge handling only when paired with complementary devices.
Thermal design is supported by RθJL = 20°C/W and RθJA = 100°C/W ratings, allowing reliable operation up to 175°C junction temperature. It meets JESD201 Class 2 whisker resistance and J-STD-020 moisture sensitivity Level 1, confirming suitability for automated SMT assembly without pre-baking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 14.4 V / 15.9 V @ IT = 1 mA - Confirmed breakdown threshold for reliable turn-on margin |
| VC | 21.5 V @ IPPM = 46.5 A - Clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPK | 1000 W - Peak pulse power rating per single non-repetitive 1 ms event |
| TJ max | +175°C - Maximum junction temperature enabling under-hood automotive deployment |
| Package | DO-214AA (SMB) - Standardized surface-mount outline with cathode band marking |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling and HTRB |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band on one end; weight ≈ 0.110 g; UL 94V-0 rated compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference | Connected to lower-potential side (e.g., ground or return path) in unidirectional TVS configuration |
| Cathode | Clamping output / Surge current sink | Connected to protected line (e.g., 12 V rail); conducts during overvoltage to clamp voltage to ≤21.5 V |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics per stress test requirements including HTOL, TC, and UHAST |
| Glass-passivated junction | Enhances long-term stability and leakage control under thermal cycling and humidity exposure |
| Fast response time | <1.0 ps enables suppression before sensitive ICs experience damaging voltage overshoot |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (EFT) |
| Moisture sensitivity level 1 | No floor life limitation or baking required prior to reflow, simplifying SMT production flow |
Applications
| Automotive Lighting Systems | Body Control Modules (BCM) |
|---|---|
Use Scenario: Protecting LED driver ICs from load-dump transients during headlamp circuit switching. IC Role / Device Role: Unidirectional TVS placed between supply rail and ground to clamp negative-going spikes. Use Value: Limits voltage to ≤21.5 V during 1000 W surges, preventing gate oxide damage in MOSFET drivers. | Use Scenario: Safeguarding CAN transceiver power inputs against battery line disturbances. IC Role / Device Role: Primary overvoltage clamp on 5 V or 12 V supply input to BCM microcontroller subsystems. Use Value: Maintains system uptime by absorbing ISO 7637-2 Pulse 1 energy without latch-up or degradation. |
| Engine Control Units (ECU) | Industrial Motor Drives |
Use Scenario: Shielding sensor interface circuits (e.g., MAP, TPS) from ignition coil coupling noise. IC Role / Device Role: Localized TVS at analog front-end inputs to suppress sub-µs EFT events. Use Value: Ensures signal integrity with <1.0 ps response, avoiding false triggering in precision ADC paths. | Use Scenario: Protecting gate driver ICs from inductive kickback during IGBT switching in HVAC blowers. IC Role / Device Role: Rail-to-rail clamping device across DC bus supply lines feeding half-bridge drivers. Use Value: Absorbs 1000 W peak pulses while maintaining VC ≤21.5 V, preserving driver IC reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Same DO-214AA package; VBR = 14.4–15.9 V, VC = 21.5 V, PPK = 600 W - 40% lower peak power rating | Not suitable for full ISO 7637-2 Pulse 1 compliance; limited to lower-energy transients | Select SMBJ13A only if system-level testing confirms 600 W clamping suffices and cost is prioritized over margin. |
| 1.5SMC13A | DO-214AB (SMC) package; same VWM/VBR/VC; PPK = 1500 W - higher power but larger footprint and different thermal profile | Requires PCB layout change due to larger SMC outline; better for high-repetition surge environments | Choose 1.5SMC13A when sustained surge duty cycle exceeds SMB10J13AH derating limits or when >1000 W headroom is mandated. |
Compared with SMBJ13A and 1.5SMC13A, SMB10J13AH uniquely balances AEC-Q101 qualification, 1000 W pulse rating, and DO-214AA footprint-making it optimal for space-constrained automotive modules requiring certified robustness without layout redesign.
Availability
SMB10J13AH is available at Aetrix Electronics and suitable for automotive lighting systems, body control modules, and engine control units requiring stable component supply with AEC-Q101 assurance and ISO 7637-2 compliance.
Supply support for SMB10J13AH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, and rectifiers with global automotive and industrial certifications.
The SMB10JxxAH series was developed specifically for AEC-Q101-compliant transient protection in automotive power networks-emphasizing low clamping voltage, fast response, and robust thermal performance in compact SMB packages.
FAQ
What is the maximum clamping voltage of SMB10J13AH under standard test conditions?
The SMB10J13AH has a maximum clamping voltage (VC) of 21.5 V when subjected to a 10/1000 µs waveform with a peak pulse current (IPPM) of 46.5 A. This value is measured per JEDEC standards and ensures downstream ICs remain within safe operating voltage limits during surge events. The SMB10J13AH maintains this clamping performance across its qualified temperature range and after AEC-Q101 stress testing.
Is SMB10J13AH suitable for bidirectional transient protection?
No, SMB10J13AH is a unidirectional TVS diode and is not rated for bidirectional operation. For bidirectional protection, the SMB10J13CAH variant must be used-it features symmetrical breakdown in both polarities. Using SMB10J13AH in reverse-biased configurations beyond its specified VWM risks permanent junction damage. Always verify polarity alignment during PCB layout for SMB10J13AH.
Does SMB10J13AH require pre-baking before reflow soldering?
No, SMB10J13AH has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it can be stored indefinitely at ambient conditions without baking. This eliminates pre-reflow baking steps and supports direct placement into standard lead-free reflow profiles. The device's DO-214AA molding compound and terminal finish are fully compatible with automated SMT processes without floor-life restrictions.
What automotive standards does SMB10J13AH meet?
SMB10J13AH meets ISO 7637-2 for automotive transient immunity, covering Pulse 1 (inductive load dump), Pulse 2a/2b (supply interruption and switching transients), and Pulse 3a/3b (electrical fast transients). It is also AEC-Q101 qualified, having passed stress tests including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing-confirming suitability for under-hood and chassis-mounted applications.
How does SMB10J13AH compare to SMBJ13A in terms of surge handling capability?
SMB10J13AH delivers 1000 W peak pulse power versus SMBJ13A's 600 W rating-a 67% increase-while sharing identical VWM, VBR, and VC specifications. This higher energy absorption enables SMB10J13AH to pass full ISO 7637-2 Pulse 1 testing where SMBJ13A may fail or degrade. Both use DO-214AA packages, but SMB10J13AH's enhanced construction supports longer surge duration without thermal runaway.
SMB10J13AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- SMB10J
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 46.5A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J13AH FAQ
1.How can I place an order for SMB10J13AH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J13AH 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 SMB10J13AH reliable?
The price and inventory of SMB10J13AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J13AH is usually 5 days.
3.What payment methods are accepted for SMB10J13AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J13AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J13AH?
SMB10J13AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J13AH 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 SMB10J13AH?
For technical support, including SMB10J13AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J13AH requirements.
6.How does Aetrix verify that SMB10J13AH is sourced from the original manufacturer or authorized distributors?
All SMB10J13AH 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 SMB10J13AH meets industry standards.
7.What is the process for return or replacement of SMB10J13AH?
All SMB10J13AH units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J13AH, 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 SMB10J13AH part is unused and in its original packaging.
Return procedure for SMB10J13AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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