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Taiwan Semiconductor Corporation P6SMB11CH
- Part No.:
- P6SMB11CH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11CH.pdf
- Description:
- 600W, 11V, 10%, BIDIRECTIONAL, T
- Quantity:
- Payment:
- Shipping:
Inventory:8,526
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Product details
Overview
P6SMB11CH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with breakdown voltage 9.9–12.1 V at 1 mA, clamping voltage 16.2 V at 38 A peak pulse current, and stand-off voltage 8.92 V. It protects automotive and industrial electronics against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB11CH datasheet, P6SMB11CH pinout, P6SMB11CH application, or P6SMB11CH equivalent, this page delivers verified electrical specs, bidirectional TVS behavior, AEC-Q101 qualification status, thermal resistance data (RθJA = 55°C/W), and real-world clamping performance under 10/1000 µs surge conditions.
Technical Context
The P6SMB11CH is a glass-passivated, bidirectional TVS diode designed for unidirectional or bidirectional transient suppression without polarity sensitivity. Its junction exhibits <1 µA reverse leakage at 8.92 V and achieves sub-1 ps response time from 0 V to VBR(min).
It meets ISO 7637-2 immunity requirements for automotive load-dump and inductive-switching transients, operates across –55°C to +150°C, and features moisture sensitivity level 1 per J-STD-020 - enabling robust reflow compatibility and long-term reliability in harsh environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 9.9 V / 12.1 V at IT = 1 mA - defines reliable conduction onset window for transient clamping |
| VWM | 8.92 V - maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| VC @ IPPM | 16.2 V at 38 A (10/1000 µs) - peak clamped voltage seen by protected circuit during worst-case surge |
| PPPSM | 600 W - non-repetitive peak pulse power handling capability per single 10/1000 µs waveform |
| RθJA | 55 °C/W - junction-to-ambient thermal resistance determines derating needed above 25°C ambient |
| TJ(max) | +150 °C - maximum allowable junction temperature supports operation in engine bay or power supply modules |
| Configuration | Bidirectional - symmetrical clamping in both polarities; marked with cathode band but functionally bipolar |
Pinout & Package
DO-214AA (SMB) surface-mount package: 2-terminal, gull-wing leads, matte tin-plated, RoHS/halogen-free, UL 94V-0 molding compound, 0.090 g typical weight. Polarity indicated by cathode band; bidirectional operation renders anode/cathode designation functionally irrelevant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (cathode-band side) | Transient return path (bidirectional) | Provides low-impedance path to ground or rail during positive or negative voltage excursions beyond VBR |
| Cathode (cathode-band side) | Transient return path (bidirectional) | Same as Anode - symmetric structure enables identical clamping in either direction; cathode band is mechanical marker only |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress per JEDEC standards |
| Glass passivated junction | Enhances long-term stability and reduces parameter drift under humidity and thermal stress |
| ISO 7637-2 compliance | Guarantees protection against standardized automotive transients (Pulse 1, 2a, 2b, 3a, 3b) without external circuitry |
| Low RθJA (55°C/W) | Enables higher sustained power dissipation in compact PCB layouts without forced airflow or heatsinking |
| Moisture sensitivity level 1 | Eliminates bake requirements prior to reflow, reducing manufacturing cost and process complexity |
Applications
| Automotive Infotainment Power Rails | Industrial PLC Digital I/O Protection |
|---|---|
Use Scenario: Protecting 12 V power inputs of head units and display modules from load dump and alternator ripple. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed between VIN and GND to limit transient overvoltage to ≤16.2 V. Use Value: Prevents latch-up or permanent damage to downstream DC/DC converters and PMICs rated for ≤20 V absolute max. | Use Scenario: Safeguarding 24 V digital input channels on programmable logic controllers exposed to relay coil flyback. IC Role / Device Role / Timing Role: Parallel-connected TVS absorbing inductive kick energy before it reaches optocoupler or microcontroller GPIO. Use Value: Maintains signal integrity and extends field lifetime by limiting voltage overshoot to 16.2 V during 100 A/ms switching events. |
| LED Headlamp Driver Circuits | Telecom PoE Interface Protection |
Use Scenario: Shielding constant-current LED drivers from battery reverse connection and jump-start surges. IC Role / Device Role / Timing Role: Bidirectional clamping element across input terminals to suppress ±100 V transients within 1 ps. Use Value: Ensures driver IC survival during 600 W surge events while preserving thermal margin via 55°C/W RθJA. | Use Scenario: Front-end protection for IEEE 802.3af/at powered device (PD) interfaces subjected to Ethernet cable ESD and lightning-induced surges. IC Role / Device Role / Timing Role: First-line TVS on data pair and power pair to clamp common-mode transients before reaching PHY or PD controller. Use Value: Meets IEC 61000-4-2 Level 4 (±15 kV air) and IEC 61000-4-5 (10/1000 µs) with minimal capacitance impact due to SMB footprint. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11CA | Same DO-214AA package, 600 W rating, VBR = 12.2–13.5 V, VC = 17.0 V @ 35.3 A - slightly higher clamping voltage and tighter VBR tolerance | Marginally less effective clamping for systems with tight 16 V rail margins; suitable where tighter VBR consistency is prioritized | Select SMBJ11CA when tighter breakdown voltage distribution (±5%) is required over lowest possible clamping voltage |
| 1.5SMC11CA | Higher-power 1500 W variant in larger DO-214AB (SMC) package; VBR = 12.2–13.5 V, VC = 17.0 V @ 88.2 A - same clamping but double the surge capacity | Requires PCB redesign due to larger SMC footprint; used where multi-pulse or high-energy repetitive transients occur | Choose 1.5SMC11CA only when system-level testing confirms >600 W single-pulse or repetitive surge exposure |
Compared with SMBJ11CA and 1.5SMC11CA, the P6SMB11CH offers the lowest clamping voltage (16.2 V) in the SMB footprint, optimal for space-constrained automotive modules where 16 V rail headroom is critical - while maintaining AEC-Q101 qualification and ISO 7637-2 compliance without layout change.
Availability
P6SMB11CH is available at Aetrix Electronics and suitable for automotive infotainment, industrial PLC I/O, LED lighting drivers, and telecom PoE interface protection requiring stable component supply, AEC-Q101 traceability, and ISO 7637-2 validated surge resilience.
Supply support for P6SMB11CH 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 TVS diodes, rectifiers, MOSFETs, and power management devices since 1979.
The P6SMB series belongs to TSC's AEC-Q101-qualified surface-mount TVS portfolio, engineered specifically for automotive and industrial transient immunity where reliability, low clamping voltage, and reflow-ready packaging are mandatory.
FAQ
What does the "CH" suffix indicate in P6SMB11CH?
The "CH" suffix denotes a bidirectional configuration with cathode-band marking. Unlike unidirectional variants (e.g., P6SMB11H), the P6SMB11CH provides symmetrical clamping for both positive and negative transients - making it ideal for AC-coupled lines or systems where polarity reversal risk exists. The cathode band serves as a mechanical orientation marker only; electrical behavior is identical in both directions.
Is P6SMB11CH compliant with AEC-Q101 and ISO 7637-2?
Yes, the P6SMB11CH is explicitly AEC-Q101 qualified and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements per the official Taiwan Semiconductor datasheet (Version A2102). This certification covers temperature cycling, high-temperature reverse bias, and surge immunity validation - confirming suitability for automotive powertrain and body electronics applications.
What is the maximum clamping voltage of P6SMB11CH under standard test conditions?
The maximum clamping voltage of P6SMB11CH is 16.2 V, measured at 38 A peak pulse current using the standard 10/1000 µs waveform. This value represents the highest voltage imposed on the protected circuit during worst-case transient events and is confirmed in the Electrical Specifications table for the P6SMB11CH variant in the official datasheet.
Can P6SMB11CH replace P6SMB11AH in an existing design?
No - P6SMB11CH and P6SMB11AH are not interchangeable. P6SMB11CH is bidirectional with VBR = 9.9–12.1 V and VC = 16.2 V, while P6SMB11AH is unidirectional with tighter VBR (10.5–11.6 V) and lower VC (15.6 V). Substituting without verifying polarity, clamping margin, and system-level surge testing may compromise protection integrity.
What is the thermal resistance and maximum junction temperature for P6SMB11CH?
The P6SMB11CH has a junction-to-ambient thermal resistance (RθJA) of 55°C/W and a maximum junction temperature (TJ(max)) of +150°C. These values are specified under standard SMB mounting conditions on FR-4 PCB with 1-inch² copper pad and define safe operating limits for continuous power dissipation and surge duty cycle derating per Figure 2 in the datasheet.
P6SMB11CH 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):
- 8.92V
- Voltage - Breakdown (Min):
- 9.9V
- Voltage - Clamping (Max) @ Ipp:
- 16.2V
- Current - Peak Pulse (10/1000µs):
- 38A
- 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)
P6SMB11CH FAQ
1.How can I place an order for P6SMB11CH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11CH 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 P6SMB11CH reliable?
The price and inventory of P6SMB11CH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11CH is usually 5 days.
3.What payment methods are accepted for P6SMB11CH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11CH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11CH?
P6SMB11CH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11CH 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 P6SMB11CH?
For technical support, including P6SMB11CH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11CH requirements.
6.How does Aetrix verify that P6SMB11CH is sourced from the original manufacturer or authorized distributors?
All P6SMB11CH 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 P6SMB11CH meets industry standards.
7.What is the process for return or replacement of P6SMB11CH?
All P6SMB11CH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11CH, 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 P6SMB11CH part is unused and in its original packaging.
Return procedure for P6SMB11CH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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