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Taiwan Semiconductor Corporation P6SMB11CAH
- Part No.:
- P6SMB11CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11CAH.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,806
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Product details
Overview
P6SMB11CAH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with breakdown voltage range 10.5–11.6 V, clamping voltage 15.6 V at 40 A peak pulse current, and stand-off voltage 9.40 V. It protects automotive and industrial electronics against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB11CAH datasheet, P6SMB11CAH pinout, P6SMB11CAH application, or P6SMB11CAH equivalent, key selection criteria include bidirectional clamping performance, AEC-Q101 qualification, low leakage (<1 µA @ 9.4 V), fast response (<1.0 ps), and compliance with IEC 61249-2-21 halogen-free requirements.
Technical Context
The P6SMB11CAH is a glass-passivated, bipolar junction TVS diode designed for unidirectional or bidirectional surge suppression in DC power rails and signal lines. Its symmetrical breakdown behavior (VBR min/max = 10.5/11.6 V in both directions) enables robust protection without polarity constraints.
It delivers 600 W non-repetitive peak pulse power under 10/1000 µs waveform, with thermal resistance RθJA = 55 °C/W and RθJC = 10 °C/W. Junction temperature operates from –55 °C to +150 °C, supporting under-hood automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 10.5 V / 11.6 V - Ensures reliable conduction onset across production lot and temperature range |
| VWM | 9.40 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| VC @ IPPM | 15.6 V at 40 A - Clamped voltage during 10/1000 µs surge; limits downstream IC stress |
| PPPSM | 600 W - Peak surge power handling per single transient event |
| IR @ VWM | <1 µA - Minimal standby power loss and signal integrity impact in high-impedance circuits |
| TJ max | +150 °C - Enables operation in engine control units and powertrain modules |
| Package | DO-214AA (SMB) - Surface-mount footprint compatible with automated assembly and IPC-7351B standard |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band (bidirectional operation uses symmetric marking; no functional anode/cathode distinction).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge path | Both terminals serve identical clamping function; no polarity dependency in layout |
| Case | Thermal and mechanical interface | Exposed copper pad area provides primary heat dissipation path to PCB copper pour |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HAST, and mechanical shock |
| Glass passivated junction | Enhances long-term stability of breakdown voltage and leakage under humidity and bias stress |
| ISO 7637-2 compliance | Meets Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (line impedance stabilization network) |
| Moisture sensitivity level 1 | No floor life limitation or bake requirement prior to reflow; supports standard SMT processes |
| Halogen-free (IEC 61249-2-21) | Complies with RoHS and automotive material declarations; eliminates corrosive bromine/chlorine compounds |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role / Timing Role: Bidirectional clamping device placed at power entry point to limit rail voltage excursion. Use Value: Clamps to 15.6 V during 40 A surge, preventing overvoltage damage to MCU, CAN transceivers, and analog front-ends. | Use Scenario: Safeguarding 4–20 mA current loop sensors in factory automation systems. IC Role / Device Role / Timing Role: Transient shunt across sensor input terminals to absorb EFT bursts and ESD events. Use Value: Sub-1 µA leakage at 9.4 V ensures minimal offset error; 15.6 V clamping preserves ADC input range integrity. |
| LED Lighting Driver Protection | Automotive LIN Bus Line Protection |
Use Scenario: Shielding constant-current LED drivers from inductive switching spikes in headlamp modules. IC Role / Device Role / Timing Role: Parallel-connected TVS across driver output to clamp flyback voltage. Use Value: 600 W peak power rating handles repetitive 10/1000 µs surges common in PWM-driven inductive loads. | Use Scenario: Guarding LIN transceiver pins against ESD and coupled noise in body control modules. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp on LIN data line (VPP ≤ 15.6 V). Use Value: Fast <1.0 ps response captures sub-nanosecond ESD events; symmetric VBR avoids signal inversion issues. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11CA | Same DO-214AA package, 600 W rating, but VBR = 12.2–13.5 V and VC = 18.2 V at 33 A | Higher clamping voltage reduces margin for 12 V rail systems with tight overvoltage tolerance | Select when higher VWM (9.8 V) is required or when legacy SMBJ footprint compatibility is mandatory |
| 1.5SMC11CA | DO-214AB (SMC) package, 1500 W rating, VBR = 11.1–12.3 V, VC = 17.0 V at 88 A | Larger footprint and higher clamping reduce suitability for space-constrained automotive modules | Choose for higher-energy surge environments where PCB area allows SMC package and 1500 W capability is needed |
Compared with SMBJ11CA and 1.5SMC11CA, the P6SMB11CAH offers tighter VBR tolerance (10.5–11.6 V), lower clamping (15.6 V), and AEC-Q101 qualification out-of-box-making it optimal for cost-sensitive, space-limited 12 V automotive nodes requiring guaranteed qualification and precise voltage limiting.
Availability
P6SMB11CAH is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, LED lighting drivers, and LIN bus protection requiring stable component supply and AEC-Q101-compliant surge immunity.
Supply support for P6SMB11CAH 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, rectifiers, and MOSFETs with global distribution and AEC-Q101 validation capabilities.
The P6SMB series is part of TSC's automotive-grade transient suppression portfolio, engineered specifically for ISO 7637-2 compliance and under-hood thermal resilience in 12 V/24 V vehicle networks.
FAQ
What is the maximum clamping voltage of the P6SMB11CAH under a 10/1000 µs surge?
The P6SMB11CAH has a maximum clamping voltage (VC) of 15.6 V when subjected to its rated peak pulse current of 40 A under the standardized 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream 12 V logic and analog components in the P6SMB11CAH protection circuit.
Is the P6SMB11CAH suitable for bidirectional signal line protection?
Yes, the P6SMB11CAH is explicitly designed for bidirectional use, as confirmed by its CAH suffix and electrical specifications applying "in both directions." Its symmetrical breakdown (10.5–11.6 V min/max) and clamping behavior make it appropriate for protecting differential buses like LIN or analog sensor pairs where polarity reversal may occur during transients.
Does the P6SMB11CAH meet AEC-Q101 reliability standards?
Yes, the P6SMB11CAH is AEC-Q101 qualified, as stated in the official Taiwan Semiconductor datasheet. This qualification covers stress tests including temperature cycling, highly accelerated stress testing (HAST), and mechanical shock-ensuring suitability for automotive powertrain, chassis, and body control applications where the P6SMB11CAH is deployed.
What is the standoff voltage (VWM) and leakage current specification for the P6SMB11CAH?
The P6SMB11CAH has a maximum working peak reverse voltage (VWM) of 9.40 V, with reverse leakage current (IR) guaranteed to be less than 1 µA when biased at that voltage. This low-leakage performance minimizes power loss and prevents false triggering in high-impedance sensing or bias networks where the P6SMB11CAH is applied.
Can the P6SMB11CAH be used in reflow soldering processes without moisture sensitivity concerns?
Yes, the P6SMB11CAH is rated at Moisture Sensitivity Level 1 per J-STD-020, meaning it has unlimited floor life and requires no baking prior to standard lead-free reflow. Its DO-214AA (SMB) package construction and molding compound ensure robustness through typical SMT thermal profiles used for the P6SMB11CAH in high-volume automotive manufacturing.
P6SMB11CAH 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 40A
- 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)
P6SMB11CAH FAQ
1.How can I place an order for P6SMB11CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11CAH 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 P6SMB11CAH reliable?
The price and inventory of P6SMB11CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11CAH is usually 5 days.
3.What payment methods are accepted for P6SMB11CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11CAH?
P6SMB11CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11CAH 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 P6SMB11CAH?
For technical support, including P6SMB11CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11CAH requirements.
6.How does Aetrix verify that P6SMB11CAH is sourced from the original manufacturer or authorized distributors?
All P6SMB11CAH 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 P6SMB11CAH meets industry standards.
7.What is the process for return or replacement of P6SMB11CAH?
All P6SMB11CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11CAH, 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 P6SMB11CAH part is unused and in its original packaging.
Return procedure for P6SMB11CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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