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Taiwan Semiconductor Corporation P6SMB11AH
- Part No.:
- P6SMB11AH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11AH.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:4,590
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Product details
Overview
P6SMB11AH from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 10.5–11.6 V, clamping voltage of 15.6 V at 40 A peak pulse current, and DO-214AA (SMB) package. It provides robust ESD and electrical fast transient protection for automotive power supply rails and industrial sensor interfaces.
For engineers reviewing the P6SMB11AH datasheet, P6SMB11AH pinout, P6SMB11AH application, or P6SMB11AH equivalent, key selection criteria include its 9.40 V stand-off voltage, <1 µA reverse leakage at VWM, AEC-Q101 qualification, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, and thermal resistance of 55 °C/W (junction-to-ambient).
Technical Context
The P6SMB11AH employs a glass-passivated silicon junction optimized for fast response (<1.0 ps rise time from 0 V to VBR(min)) and low clamping ratio (VC/VBR(min) ≈ 1.48). Its unidirectional configuration supports DC-biased protection paths with polarity-sensitive cathode marking.
Designed for automotive-grade reliability, it operates across –55 °C to +150 °C junction temperature, meets JESD201 Class 2 whisker resistance, and features matte tin-plated leads compliant with J-STD-002 solderability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 10.5 V / 11.6 V - Ensures reliable triggering above 9.40 V stand-off while accommodating manufacturing tolerance |
| VWM | 9.40 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| VC@IPPM | 15.6 V @ 40 A - Clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPSM | 600 W - Peak pulse power handling per single 10/1000 µs transient event |
| IR @ VWM | <1 µA - Minimal leakage ensures negligible standby power loss in battery-critical systems |
| TJ(max) | +150 °C - Enables operation in under-hood automotive environments without derating |
| Thermal RθJA | 55 °C/W - Determines board-level thermal design margin for sustained surge duty cycles |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-diode configuration with cathode band marking. Dimensions conform to JEDEC DO-214AA standard; weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | DC return path for protected circuit | Connected to system ground or low-side reference; carries full surge current during clamping |
| Cathode | Protected line input | Connected to line being protected (e.g., 12 V rail); marked by band; reverse-biased during normal operation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including HTOL, TCT, and ESD HBM/MM |
| Glass passivated junction | Enhances long-term stability and moisture resistance versus epoxy-passivated alternatives |
| ISO 7637-2 compliance | Withstands defined automotive transients (Pulse 1: inductive load dump; Pulse 2a/2b: supply interruption; Pulse 3a/3b: switching noise) |
| Moisture sensitivity level 1 | Zero bake requirement prior to reflow; compatible with standard SMT assembly processes |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for green manufacturing |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply lines in engine control units (ECUs) against load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and chassis ground to clamp surges before reaching LDOs and microcontrollers. Use Value: Limits transient voltage to ≤15.6 V, preventing latch-up or gate oxide damage in downstream 16 V-rated ICs. | Use Scenario: Shielding 4–20 mA current loop transmitters from ESD events on field wiring. IC Role / Device Role / Timing Role: Front-end protection device shunting ESD energy away from precision op-amps and ADC inputs. Use Value: Sub-µA leakage avoids offset error in µA-level loop current sensing; fast response prevents signal corruption. |
| LED Lighting Driver Protection | Automotive CAN Transceiver Protection |
Use Scenario: Safeguarding constant-current LED drivers in headlamp modules from ignition-induced spikes. IC Role / Device Role / Timing Role: Parallel-connected TVS on driver output to absorb inductive kickback from LED string disconnection. Use Value: 600 W rating handles repetitive 10/1000 µs pulses common in vehicle start-stop cycles. | Use Scenario: Adding secondary protection to CANH/CANL lines beyond integrated transceiver ESD clamps. IC Role / Device Role / Timing Role: Standoff voltage (9.40 V) allows normal CAN differential signaling (±2.5 V) while clamping >12 V faults. Use Value: Prevents permanent failure of CAN PHY during battery jump-start or grounding faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A | Same DO-214AA package, identical VBR (10.5–11.6 V), but lower PPPSM = 600 W (same rating), higher VC = 17.0 V | Higher clamping voltage reduces margin for 12 V rail ICs rated ≤16 V | Select P6SMB11AH when tighter clamping (15.6 V vs. 17.0 V) is required for sensitive 12 V logic |
| 1.5SMC11A | DO-214AB (SMC) package - larger footprint (7.11 × 6.22 mm vs. 4.57 × 3.94 mm), same VBR/VC, PPPSM = 1500 W | Requires PCB layout change; suited for higher-energy transients where space permits | Choose P6SMB11AH for space-constrained SMB footprints where 600 W suffices |
Compared with SMBJ11A and 1.5SMC11A, the P6SMB11AH delivers the lowest clamping voltage in the SMB outline, enabling tighter protection margins in compact automotive modules without sacrificing AEC-Q101 qualification or ISO 7637-2 compliance.
Availability
P6SMB11AH is available at Aetrix Electronics and suitable for automotive ECU designs, industrial 4–20 mA sensor nodes, and LED lighting driver circuits requiring stable component supply and AEC-Q101-compliant surge protection.
Supply support for P6SMB11AH 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 for automotive, industrial, and consumer markets.
The P6SMB11AH belongs to TSC's AEC-Q101-qualified P6SMBx(A)H series, engineered specifically for high-reliability transient suppression in harsh automotive environments with stringent thermal and surge immunity requirements.
FAQ
What is the maximum clamping voltage of the P6SMB11AH under a 10/1000 µs surge?
The P6SMB11AH has a maximum clamping voltage (VC) of 15.6 V when subjected to its rated peak pulse current of 40 A with a 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream 12 V-rated ICs in the P6SMB11AH protection path.
Is the P6SMB11AH suitable for bidirectional transient protection?
No - the P6SMB11AH is a unidirectional TVS diode, intended for DC-biased applications where polarity is fixed (e.g., 12 V rail to ground). For bidirectional use, select the P6SMB11CAH variant, which features symmetrical breakdown in both directions and uses CH or CAH suffixes per TSC's ordering convention.
Does the P6SMB11AH meet automotive qualification standards?
Yes - the P6SMB11AH is AEC-Q101 qualified and tested per automotive stress requirements including high-temperature operating life, temperature cycling, and human-body-model ESD. It also complies with ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b for automotive electrical transient immunity.
What is the reverse leakage current specification for the P6SMB11AH at its stand-off voltage?
At its specified stand-off voltage (VWM) of 9.40 V, the P6SMB11AH exhibits a maximum reverse leakage current (ID) of 1 µA at 25 °C. This ultra-low leakage preserves battery life in always-on automotive modules and avoids loading errors in precision analog sensor interfaces.
What package type does the P6SMB11AH use, and is it compatible with standard SMT reflow profiles?
The P6SMB11AH uses the DO-214AA (SMB) surface-mount package and is rated Moisture Sensitivity Level 1 per J-STD-020 - meaning it requires no dry-pack or baking prior to reflow. Its matte tin-plated leads comply with J-STD-002, ensuring compatibility with standard lead-free reflow profiles.
P6SMB11AH 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB11AH FAQ
1.How can I place an order for P6SMB11AH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11AH 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 P6SMB11AH reliable?
The price and inventory of P6SMB11AH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11AH is usually 5 days.
3.What payment methods are accepted for P6SMB11AH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11AH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11AH?
P6SMB11AH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11AH 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 P6SMB11AH?
For technical support, including P6SMB11AH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11AH requirements.
6.How does Aetrix verify that P6SMB11AH is sourced from the original manufacturer or authorized distributors?
All P6SMB11AH 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 P6SMB11AH meets industry standards.
7.What is the process for return or replacement of P6SMB11AH?
All P6SMB11AH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11AH, 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 P6SMB11AH part is unused and in its original packaging.
Return procedure for P6SMB11AH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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