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Taiwan Semiconductor Corporation P6SMB11A
- Part No.:
- P6SMB11A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11A.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,376
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Product details
Overview
P6SMB11A from Taiwan Semiconductor is a unidirectional 600W surface-mount Transient Voltage Suppressor (TVS) diode designed for primary-side overvoltage protection in DC power rails. It features a breakdown voltage range of 10.5–11.6 V at 1.0 mA test current, a maximum clamping voltage of 15.6 V at 40 A peak pulse current, and a standoff voltage of 9.40 V with ≤1 µA reverse leakage - optimized for surge suppression in switching mode power supplies and consumer electronics interfaces.
For engineers reviewing the P6SMB11A datasheet, P6SMB11A pinout, P6SMB11A application, or P6SMB11A equivalent, this device is selected for its fast sub-1 ps response time, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, DO-214AA (SMB) package compatibility with automated placement, and stable thermal performance up to +150°C junction temperature.
Technical Context
The P6SMB11A operates as a unidirectional avalanche diode, triggered when transient voltage exceeds its specified breakdown threshold. Its glass-passivated junction ensures low leakage and high reliability under repeated surge stress, while its 10 °C/W junction-to-case thermal resistance supports sustained power dissipation in compact PCB layouts.
Designed for single-pulse transient suppression per IEC 61000-4-5 and ISO 7637-2 standards, it delivers 600 W non-repetitive peak pulse power with 10/1000 µs waveform, and maintains clamping performance across -55°C to +150°C operating temperature range without derating below 25°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (PPPSM) | 600 W - sustains single 10/1000 µs surges without failure in automotive and industrial transients |
| Breakdown Voltage (VBR) | 10.5–11.6 V @ 1.0 mA - defines precise conduction onset for accurate rail-level protection |
| Standoff Voltage (VWM) | 9.40 V - maximum continuous reverse voltage before significant leakage (≤1 µA) |
| Clamping Voltage (VC) | 15.6 V @ 40 A IPPM - limits downstream IC voltage during worst-case surge events |
| Junction Temperature (TJ) | -55°C to +150°C - enables operation in under-hood, industrial, or enclosed power supply environments |
| Package | DO-214AA (SMB) - surface-mount footprint compatible with standard reflow profiles and J-STD-002 solderability |
| Response Time | <1.0 ps - ensures protection activation before sensitive circuitry experiences overvoltage stress |
Pinout & Package
Package: DO-214AA (SMB), molded plastic case with matte tin-plated leads, polarity indicated by cathode band. Weight: 0.090 g. Meets UL 94V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or return path; completes conduction loop during reverse-biased surge event |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., +12 V rail); blocks normal operation, conducts during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| Fast response time | <1.0 ps - mitigates nanosecond-scale ESD and lightning-induced transients before propagation |
| Glass passivated junction | Enables ≤1 µA IR at 9.40 V - reduces standby power loss and improves long-term stability in battery-backed systems |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (line impedance coupling) - meets automotive OEM requirements |
| Moisture sensitivity level | Level 1 per J-STD-020 - allows unlimited floor life and standard SMT handling without dry-pack requirements |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS Directive - supports green manufacturing and end-of-life recycling |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapters |
|---|---|
Use Scenario: Input rectifier output rail in offline flyback converters subjected to line surges and load-dump transients. IC Role / Device Role: Unidirectional TVS clamp placed between bulk capacitor and primary switch node. Use Value: Limits voltage spikes to ≤15.6 V during 600 W surges, protecting MOSFET gate oxide and controller ICs without adding series impedance. |
Use Scenario: Secondary-side 12 V DC output line in universal-input wall adapters exposed to ESD and cable discharge events. IC Role / Device Role: Final-stage overvoltage protector before USB-PD or legacy 5/12 V connectors. Use Value: Clamps transients within 1 ps while maintaining <1 µA leakage at 9.4 V, preserving no-load efficiency and regulatory compliance. |
| Flat Panel TV Power Board | Monitor Backlight Inverter |
Use Scenario: 24 V main logic rail in LED-backlit TVs experiencing hot-swap and EMI-coupled transients from adjacent SMPS stages. IC Role / Device Role: Point-of-load TVS on microcontroller supply line downstream of DC-DC converter. Use Value: Withstands repeated 10/1000 µs pulses per ISO 7637-2 while occupying only 2.5 mm × 4.2 mm (DO-214AA), enabling dense layout. |
Use Scenario: High-voltage boost output (≈300 V) of CCFL or LED driver inverters subject to arc-induced voltage reversals. IC Role / Device Role: Bidirectional protection using P6SMB11A in back-to-back configuration (per datasheet Note 4). Use Value: Leverages symmetric VBR min/max (10.5–11.6 V) and matched clamping (15.6 V) in both polarities to suppress positive/negative overshoot equally. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Same DO-214AC (SMA) package; 600 W rating; VBR = 11.1–12.3 V; VC = 17.0 V @ 35.3 A | Higher clamping voltage (+1.4 V) and lower IPPM (−4.7 A) reduce margin for tight-tolerance 12 V systems | Select SMAJ11A only if existing SMA footprint reuse is required and 17.0 V clamping is acceptable |
| 1.5SMC11A | DO-214AB (SMC) package; 1500 W rating; VBR = 11.1–12.3 V; VC = 18.2 V @ 82.4 A | Larger footprint (7.1 mm × 6.2 mm vs. 4.2 mm × 2.5 mm) and higher clamping limit suitability to high-energy industrial inputs | Choose 1.5SMC11A when system-level surge energy exceeds 600 W or board space permits larger SMC package |
Compared with SMAJ11A and 1.5SMC11A, the P6SMB11A offers optimal balance of low-profile DO-214AA packaging, 15.6 V clamping headroom for 12 V rails, and verified ISO 7637-2 compliance - making it preferred for space-constrained consumer power designs where precise voltage limiting is critical.
Availability
P6SMB11A is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and flat-panel display power boards requiring stable component supply with full traceability and lifecycle management.
Supply support for P6SMB11A 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, and power MOSFETs for industrial and automotive markets.
The P6SMB11A belongs to TSC's P6SMBxx(A) family of 600 W surface-mount TVS diodes engineered specifically for cost-sensitive, high-volume consumer and computing power applications demanding robust ISO 7637-2 compliance and automated assembly readiness.
FAQ
What is the maximum clamping voltage of the P6SMB11A under rated surge conditions?
The P6SMB11A has a maximum clamping voltage (VC) of 15.6 V when subjected to its rated 40 A peak pulse current (IPPM) with a 10/1000 µs waveform. This value is measured at TA = 25°C and guarantees that downstream circuitry remains below critical overvoltage thresholds during standardized surge events. The P6SMB11A maintains this clamping performance across its full operating temperature range.
Is the P6SMB11A suitable for bidirectional transient protection?
The P6SMB11A is a unidirectional TVS diode, but it can be used in bidirectional configurations when paired with a second P6SMB11A in series opposition (anode-to-anode or cathode-to-cathode), as confirmed in the datasheet Note 4. This arrangement provides symmetrical clamping for AC-coupled or floating lines, though dedicated bidirectional parts like P6SMB11CA offer identical performance in a single package.
Does the P6SMB11A meet automotive surge immunity standards?
Yes, the P6SMB11A meets ISO 7637-2 requirements for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling), making it suitable for 12 V automotive subsystems such as infotainment power rails and body control modules. Its DO-214AA package and −55°C to +150°C operating range further support under-hood deployment.
What is the standoff voltage and leakage current specification for the P6SMB11A?
The P6SMB11A has a maximum standoff voltage (VWM) of 9.40 V and a maximum reverse leakage current (ID) of 1 µA when biased at that voltage. This low-leakage characteristic ensures minimal power loss in always-on circuits and preserves battery life in standby modes - a key design advantage over higher-leakage alternatives like older P4SMA-series devices.
Can the P6SMB11A be used in reflow soldering processes without degradation?
Yes, the P6SMB11A is qualified for standard lead-free reflow soldering per J-STD-020 Level 1 moisture sensitivity, meaning it may be stored indefinitely at ambient conditions and processed through typical Pb-free peak temperatures (up to 260°C) without delamination or parameter shift. Its matte tin-plated leads ensure reliable wetting per J-STD-002.
P6SMB11A 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):
- 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:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB11A FAQ
1.How can I place an order for P6SMB11A through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11A 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 P6SMB11A reliable?
The price and inventory of P6SMB11A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11A is usually 5 days.
3.What payment methods are accepted for P6SMB11A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11A?
P6SMB11A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11A 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 P6SMB11A?
For technical support, including P6SMB11A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11A requirements.
6.How does Aetrix verify that P6SMB11A is sourced from the original manufacturer or authorized distributors?
All P6SMB11A 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 P6SMB11A meets industry standards.
7.What is the process for return or replacement of P6SMB11A?
All P6SMB11A units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11A, 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 P6SMB11A part is unused and in its original packaging.
Return procedure for P6SMB11A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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