Taiwan Semiconductor Corporation SMB10J13CAH
- Part No.:
- SMB10J13CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J13CAH.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:6,048
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Product details
Overview
SMB10J13CAH from Taiwan Semiconductor is a bidirectional 13 V standoff, 14.4–15.9 V breakdown, 1000 W peak pulse power Transient Voltage Suppressor (TVS) in DO-214AA (SMB) package. It delivers 46.5 A peak pulse current and clamps transients to ≤21.5 V at that current, meeting ISO 7637-2 Pulse 1/2a/2b/3a/3b for automotive electronics protection.
For engineers reviewing the SMB10J13CAH datasheet, SMB10J13CAH pinout, SMB10J13CAH application, or SMB10J13CAH equivalent, this device is selected for robust ESD and load-dump transient suppression in 12 V automotive subsystems, industrial control I/O, and DC power rail protection where bidirectional clamping and AEC-Q101 qualification are required.
Technical Context
This bidirectional TVS diode uses a glass-passivated junction and operates symmetrically across both polarities, enabling protection against reverse- and forward-polarity transients without external polarity management. Its 1.0 ps typical response time ensures clamping before sensitive downstream circuitry sustains damage.
The device is rated for 175 °C maximum junction temperature and features a junction-to-lead thermal resistance of 20 °C/W, supporting reliable operation under sustained surge stress when mounted on thermally adequate PCB copper. It complies with JESD201 Class 2 whisker resistance and J-STD-020 MSL Level 1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse working voltage before leakage exceeds 5 µA |
| VBR min / max | 14.4 V / 15.9 V - Breakdown occurs within this range at 1 mA test current; defines turn-on threshold consistency |
| VC @ IPPM | ≤21.5 V - Clamped voltage at 46.5 A peak pulse current; determines protected IC's maximum transient exposure |
| PPK | 1000 W - Peak pulse power handling capability for 1 ms 10/1000 µs waveform per IEC 61000-4-5 |
| IPPM | 46.5 A - Maximum non-repetitive peak pulse current supported at VC ≤21.5 V |
| TJ max | 175 °C - Maximum allowable junction temperature; enables high-ambient deployment in engine bay or power modules |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, low-profile, matte tin-plated leads, polarity indicated by cathode band (bidirectional function eliminates functional polarity dependence).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional transient conduction path | Either terminal serves as input or return; no directional installation requirement-simplifies layout and automated placement |
| Case (body) | Thermal and mechanical interface | DO-214AA body provides 20 °C/W junction-to-lead thermal path; requires ≥10 mm² 2-oz copper pad for full 1000 W rating |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan |
| Glass passivated junction | Ensures stable VBR tolerance and long-term leakage performance under humidity and thermal stress |
| ISO 7637-2 compliance (Pulse 1/2a/2b/3a/3b) | Guarantees protection against real-world automotive transients including load dump, inductive switching, and battery reversal |
| MSL Level 1 (J-STD-020) | Zero bake requirement prior to reflow; supports standard SMT assembly without moisture sensitivity concerns |
| RoHS & halogen-free | Meets EU RoHS Directive 2011/65/EU and IEC 61249-2-21; suitable for green manufacturing and export compliance |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protects microcontroller GPIO and CAN transceiver power rails from load-dump spikes and alternator ripple during battery disconnect/reconnect events. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed directly at connector entry point to shunt >100 V transients before they reach LDOs or level shifters. Use Value: Enables compliance with ISO 16750-2 (12 V system) and prevents field failures due to undamped inductive kick from solenoid drivers. | Use Scenario: Shields 24 V digital input channels from EFT bursts and relay-coil flyback in factory automation cabinets. IC Role / Device Role / Timing Role: Standoff-rated TVS installed upstream of optocoupler input stage to limit voltage seen by internal LED and series resistor. Use Value: Maintains signal integrity under IEC 61000-4-4 Level 4 (4 kV) fast transient bursts while preserving input threshold accuracy. |
| LED Headlamp Driver Power Stage | DC Power Rail Surge Protection (12 V) |
Use Scenario: Safeguards MOSFET gate drivers and current-sense amplifiers in adaptive front-lighting systems exposed to engine cranking dips and jump-start surges. IC Role / Device Role / Timing Role: Bidirectional TVS connected between high-side switch drain and ground to clamp both positive overvoltage and negative undershoot. Use Value: Prevents gate oxide rupture and sense amplifier latch-up during 100 V/10 ms cranking transients per ISO 16750-2 Clause 4.7. | Use Scenario: Installed on main 12 V supply line feeding infotainment head units, telematics modules, and ADAS cameras. IC Role / Device Role / Timing Role: Primary rail-level suppressor placed after fuse but before DC-DC converters to absorb bulk energy from ISO 7637-2 Pulse 5a (load dump). Use Value: Limits rail excursion to ≤21.5 V, preventing brownout resets and overvoltage damage to buck controllers rated for 28 V max input. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA | Same DO-214AA package, identical VWM/VBR/VC, but rated at 600 W PPK (vs. 1000 W) | Limited to lower-energy transients; insufficient for full ISO 7637-2 Pulse 5a compliance | Select SMB10J13CAH when 1000 W surge capacity is required for automotive load-dump immunity |
| 1.5SMC13CA | DO-214AB (SMC) package, same electrical specs, 1000 W rating, but 2.5× larger footprint and higher RθJA | Requires more board area and offers inferior thermal coupling to PCB; less suitable for space-constrained modules | Choose SMB10J13CAH for compact 12 V rail protection where SMB footprint and 20 °C/W RθJL are critical |
Compared with SMBJ13CA and 1.5SMC13CA, SMB10J13CAH uniquely combines AEC-Q101 qualification, 1000 W surge rating, and DO-214AA footprint-making it optimal for automotive and industrial designs demanding high power density and automotive reliability certification.
Availability
SMB10J13CAH is available at Aetrix Electronics and suitable for automotive electronics, industrial PLC I/O modules, LED lighting drivers, and DC power rail protection requiring stable component supply and AEC-Q101-compliant surge immunity.
Supply support for SMB10J13CAH 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power management, protection, and signal conditioning devices.
The SMB10JxxCAH series belongs to TSC's AEC-Q101-qualified TVS portfolio, engineered specifically for harsh-environment transient suppression in 12 V and 24 V automotive and industrial systems where reliability under repeated surge stress is mandatory.
FAQ
What does the "CAH" suffix indicate in SMB10J13CAH?
The "CAH" suffix denotes a bidirectional configuration (C), AEC-Q101 qualification (A), and halogen-free packaging (H). Unlike unidirectional variants ending in "AH", SMB10J13CAH provides symmetrical clamping for both positive and negative transients without polarity-sensitive mounting-critical for protecting AC-coupled or floating nodes in automotive and industrial circuits. This makes SMB10J13CAH distinct from its unidirectional counterpart SMB10J13AH.
Does SMB10J13CAH meet ISO 7637-2 requirements for automotive applications?
Yes, SMB10J13CAH is explicitly validated to meet ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test waveforms. Its 1000 W peak pulse power rating and ≤21.5 V clamping voltage at 46.5 A ensure effective suppression of common automotive transients-including inductive switching noise and electrostatic discharge-without overstressing downstream components. This compliance is documented in Taiwan Semiconductor's official datasheet revision A2102 for SMB10J13CAH.
What is the maximum operating temperature for SMB10J13CAH?
SMB10J13CAH has a maximum junction temperature (TJ) of 175 °C and a storage temperature range of –55 °C to +175 °C. Its 20 °C/W junction-to-lead thermal resistance allows safe operation at full 1000 W surge rating when soldered to ≥10 mm² of 2-ounce copper. At ambient temperatures up to 125 °C, derating curves in the datasheet confirm continued functionality-making SMB10J13CAH suitable for under-hood and power module applications.
How does SMB10J13CAH differ from SMBJ13CA in practical design use?
SMB10J13CAH delivers 1000 W peak pulse power versus SMBJ13CA's 600 W rating-enabling robust protection against ISO 7637-2 Pulse 5a (load dump) events. Both share DO-214AA packaging and identical VWM/VBR/VC, but only SMB10J13CAH carries AEC-Q101 qualification and meets full automotive transient standards. For designs targeting OEM automotive release, SMB10J13CAH is the validated choice; SMBJ13CA may suffice for lower-risk industrial applications.
Is SMB10J13CAH compatible with lead-free reflow processes?
Yes, SMB10J13CAH is fully compatible with lead-free reflow soldering per J-STD-020. Its MSL Level 1 rating means it can be stored indefinitely at ≤30 °C/60 % RH without baking, and its matte tin-plated leads meet J-STD-002 solderability requirements. The device withstands peak reflow temperatures up to 260 °C for 10 seconds, supporting standard Pb-free SAC305 profiles used in automotive and industrial PCB assembly lines.
SMB10J13CAH 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:
- -
- Bidirectional Channels:
- 1
- 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)
SMB10J13CAH FAQ
1.How can I place an order for SMB10J13CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J13CAH 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 SMB10J13CAH reliable?
The price and inventory of SMB10J13CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J13CAH is usually 5 days.
3.What payment methods are accepted for SMB10J13CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J13CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J13CAH?
SMB10J13CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J13CAH 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 SMB10J13CAH?
For technical support, including SMB10J13CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J13CAH requirements.
6.How does Aetrix verify that SMB10J13CAH is sourced from the original manufacturer or authorized distributors?
All SMB10J13CAH 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 SMB10J13CAH meets industry standards.
7.What is the process for return or replacement of SMB10J13CAH?
All SMB10J13CAH units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J13CAH, 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 SMB10J13CAH part is unused and in its original packaging.
Return procedure for SMB10J13CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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