Taiwan Semiconductor Corporation P6SMB13AH
- Part No.:
- P6SMB13AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13AH.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:3,072
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Product details
Overview
P6SMB13AH from Taiwan Semiconductor is a unidirectional 600W surface-mount Transient Voltage Suppressor (TVS) diode with a breakdown voltage range of 12.4 V to 13.7 V, stand-off voltage of 11.1 V, clamping voltage of 18.2 V at 34 A peak pulse current, and AEC-Q101 qualification for automotive-grade reliability. It protects power rails and signal lines in automotive lighting control modules, engine control units, and body electronics against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB13AH datasheet, P6SMB13AH pinout, P6SMB13AH application, or P6SMB13AH equivalent, key selection criteria include its 11.1 V working voltage, 18.2 V clamping performance at 34 A, DO-214AA (SMB) package compatibility with automated SMT assembly, and compliance with AEC-Q101 and ISO 7637-2 for harsh automotive environments.
Technical Context
The P6SMB13AH operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its minimum breakdown voltage of 12.4 V at 1 mA test current. Its glass-passivated junction ensures stable leakage (<1 µA at 11.1 V) and fast response (<1.0 ps rise time), enabling effective suppression of ESD and electrical fast transients.
Thermally, it features a junction-to-case resistance of 10 °C/W and junction-to-ambient resistance of 55 °C/W, supporting continuous operation up to 150 °C junction temperature. Its 600 W peak pulse power rating (10/1000 µs waveform) and 100 A non-repetitive forward surge capability align with automotive load-dump and inductive-switching protection requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4 V / 13.7 V - Ensures reliable turn-on above 11.1 V system operating voltage while avoiding false triggering |
| VWM | 11.1 V - Maximum continuous reverse voltage the device blocks without significant leakage |
| VC @ IPPM | 18.2 V at 34 A - Clamped voltage during worst-case transient, limiting downstream IC stress |
| PPPSM | 600 W - Peak transient energy absorption capacity under standardized 10/1000 µs surge |
| IR @ VWM | <1 µA - Minimal standby power loss and negligible impact on high-impedance sensing circuits |
| TJ max | +150 °C - Enables placement near hot components like power MOSFETs or motor drivers |
| Package | DO-214AA (SMB) - Standardized surface-mount footprint compatible with IPC-7351B land patterns |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band; weight ≈ 0.090 g; meets UL 94V-0 and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration |
| Cathode | Reverse-biased transient clamp terminal | Connected to protected line (e.g., 12 V rail); conducts only during overvoltage events |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including temperature cycling, mechanical shock, and humidity testing per JESD47 |
| Glass passivated junction | Stable VBR tolerance and low leakage across lifetime, critical for long-term reliability in sealed modules |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (ESD-coupled noise) |
| Low profile SMB package | Height ≤ 2.6 mm enables use in space-constrained ECUs and LED driver PCBs |
| Moisture sensitivity level 1 | No floor life limitation or baking required before reflow, simplifying manufacturing logistics |
Applications
| Automotive Lighting Control | Engine Control Unit (ECU) Power Rail |
|---|---|
Use Scenario: Protecting LED driver ICs and microcontrollers in headlamp modules from load-dump spikes during battery disconnect/reconnect. IC Role / Device Role: Unidirectional TVS placed between 12 V supply and ground, clamping transients before they reach sensitive logic. Use Value: Limits voltage to 18.2 V during 34 A surges, preventing latch-up or gate oxide damage in 20 V-rated drivers. | Use Scenario: Safeguarding 5 V/3.3 V LDO regulators and MCU power inputs from alternator-induced load dumps. IC Role / Device Role: Primary front-end transient suppressor on main 12 V input rail upstream of DC-DC converters. Use Value: Absorbs 600 W pulses without degradation, maintaining regulator input below absolute maximum ratings. |
| Body Control Module (BCM) Signal Lines | Industrial CAN Bus Node Protection |
Use Scenario: Shielding LIN bus transceivers and sensor interfaces from ESD and cable discharge events in door modules. IC Role / Device Role: Localized TVS on each protected signal line, grounded via short trace to minimize inductance. Use Value: Sub-1 ps response ensures clamping before ESD pulse propagates into transceiver input stage. | Use Scenario: Protecting CANH/CANL pins of automotive-grade transceivers against coupled transients in vehicle networks. IC Role / Device Role: Paired unidirectional TVS devices (one per line) referenced to common ground, meeting ISO 11898-2 immunity targets. Use Value: 11.1 V VWM allows full CAN common-mode range (±12 V) while clamping faults to safe levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient 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 @ 28 A, PPPSM = 600 W | Higher clamping voltage reduces margin for 15 V-tolerant ICs; suitable where higher VWM is acceptable | Select SMBJ13A if system requires >12 V stand-off with same power rating and footprint |
| 1.5SMC13A | DO-214AB (SMC) package; larger footprint (7.11 × 6.22 mm vs. 4.57 × 3.94 mm); VBR = 13.7–15.2 V, VC = 21.2 V @ 28.3 A | Higher thermal mass supports longer surge durations but incompatible with SMB-reflow profiles and dense layouts | Choose 1.5SMC13A only when board space permits larger package and enhanced thermal handling is prioritized |
Compared with SMBJ13A and 1.5SMC13A, the P6SMB13AH offers tighter VBR tolerance (12.4–13.7 V), lower clamping (18.2 V), and smaller SMB footprint-making it optimal for compact, high-reliability automotive modules where precise voltage coordination and layout density are critical.
Availability
P6SMB13AH is available at Aetrix Electronics and suitable for automotive lighting systems, engine control units, and body electronics requiring stable component supply with AEC-Q101 assurance and ISO 7637-2 compliance.
Supply support for P6SMB13AH 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 P6SMB13AH belongs to TSC's AEC-Q101-qualified P6SMBx(A)H series, engineered specifically for robust transient suppression in 12 V automotive subsystems exposed to load dump, ESD, and inductive switching noise.
FAQ
What is the polarity configuration of the P6SMB13AH?
The P6SMB13AH is a unidirectional TVS diode, with cathode marked by a band on the DO-214AA (SMB) package. It conducts only when the cathode is biased positively relative to the anode, making it suitable for DC rail protection where polarity is fixed. This differs from bidirectional variants (e.g., P6SMB13CAH), which protect AC or differential signals.
Does the P6SMB13AH meet automotive qualification standards?
Yes, the P6SMB13AH is AEC-Q101 qualified and tested per JESD47, covering temperature cycling, mechanical shock, and humidity exposure. It also meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements-ensuring suitability for under-hood and cabin-mounted automotive electronics.
What is the maximum clamping voltage of the P6SMB13AH under surge conditions?
The P6SMB13AH has a maximum clamping voltage (VC) of 18.2 V at 34 A peak pulse current (10/1000 µs waveform). This value is guaranteed across temperature and process variation, providing predictable overvoltage limiting for downstream 20 V-rated ICs in automotive power domains.
How does the P6SMB13AH compare to the P6SMB13H variant?
The P6SMB13AH has a tighter breakdown voltage range (12.4–13.7 V) versus P6SMB13H (11.7–14.3 V), resulting in more consistent turn-on behavior and lower clamping uncertainty. Both share identical package, power rating, and AEC-Q101 qualification-but P6SMB13AH is preferred where precise voltage coordination is required.
Is the P6SMB13AH RoHS and halogen-free compliant?
Yes, the P6SMB13AH is RoHS compliant and halogen-free per IEC 61249-2-21. Its molding compound meets UL 94V-0 flammability rating, and matte tin-plated leads comply with J-STD-002 solderability standards-supporting lead-free reflow processes and environmental compliance programs.
P6SMB13AH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 34A
- Power - Peak Pulse:
- 600W
- 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:
- DO-214AA (SMB)
P6SMB13AH FAQ
1.How can I place an order for P6SMB13AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13AH 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 P6SMB13AH reliable?
The price and inventory of P6SMB13AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13AH is usually 5 days.
3.What payment methods are accepted for P6SMB13AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13AH?
P6SMB13AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13AH 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 P6SMB13AH?
For technical support, including P6SMB13AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13AH requirements.
6.How does Aetrix verify that P6SMB13AH is sourced from the original manufacturer or authorized distributors?
All P6SMB13AH 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 P6SMB13AH meets industry standards.
7.What is the process for return or replacement of P6SMB13AH?
All P6SMB13AH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13AH, 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 P6SMB13AH part is unused and in its original packaging.
Return procedure for P6SMB13AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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