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Taiwan Semiconductor Corporation P6SMB11H
- Part No.:
- P6SMB11H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11H.pdf
- Description:
- 600W, 11V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:7,576
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Product details
Overview
P6SMB11H from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for robust ESD and surge protection in automotive and industrial power rails. It features a breakdown voltage range of 9.9–12.1 V at 1.0 mA, clamps transients to ≤16.2 V at 38 A peak pulse current, and operates across –55°C to +150°C junction temperature. It is AEC-Q101 qualified and used in 12 V automotive lighting and control module inputs.
For engineers reviewing the P6SMB11H datasheet, P6SMB11H pinout, P6SMB11H application, or P6SMB11H equivalent, key selection criteria include its 8.92 V stand-off voltage, <1 µA reverse leakage at VWM, 10 ns response time, DO-214AA (SMB) package compatibility with automated SMT lines, and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance for automotive transient immunity.
Technical Context
The P6SMB11H employs a glass-passivated silicon junction optimized for fast clamping (<1.0 ps rise time from 0 V to VBR min) and low thermal resistance (RθJC = 10°C/W). Its unidirectional configuration provides forward conduction capability with 3.5 V VF @ 50 A, enabling bidirectional surge suppression when paired with complementary devices.
It meets AEC-Q101 stress requirements including high-temperature operating life, temperature cycling, and mechanical shock, and complies with JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1 - confirming suitability for reflow-soldered automotive PCBs without preconditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 9.9 V / 12.1 V at 1.0 mA - defines reliable turn-on threshold for overvoltage events above nominal 12 V rail |
| VWM | 8.92 V - maximum continuous reverse working voltage; ensures no conduction during normal 12 V system operation |
| IPPM | 38 A (10/1000 µs waveform) - peak surge current handling capacity before clamping degradation |
| VC@IPPM | 16.2 V - clamped voltage under full-rated surge; limits downstream IC stress to safe levels |
| PPPSM | 600 W - non-repetitive peak pulse power rating; supports high-energy transients per ISO 7637-2 |
| RθJA | 55°C/W - enables thermal design margin up to 3 W steady-state dissipation at 25°C ambient |
| TJ max | +150°C - supports under-hood automotive placement without derating in most chassis locations |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-diode unidirectional configuration. Cathode indicated by molded band on case.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-impedance return path; forms clamping loop with cathode |
| Cathode | Protected line input | Connected to 12 V supply rail or signal line; absorbs positive transients toward ground |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including HTOL, TC, and mechanical shock - eliminates need for additional qualification testing |
| Glass-passivated junction | Enables stable VBR tolerance and low IR drift over lifetime; critical for long-term surge immunity consistency |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling) without failure |
| Moisture Sensitivity Level 1 | Zero bake requirement prior to reflow; compatible with standard SMT assembly lines without process modification |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS Directive - supports green manufacturing and export compliance |
Applications
| Automotive LED Headlamp Driver Input | Industrial PLC Digital Input Protection |
|---|---|
|
Use Scenario: 12 V supply line feeding constant-current LED driver IC subjected to load-dump transients up to ±100 V. IC Role / Device Role / Timing Role: Unidirectional TVS placed between input rail and chassis ground to clamp positive surges only. Use Value: Clamps 38 A surge to ≤16.2 V within nanoseconds, protecting driver IC's internal LDO and gate drivers from overvoltage damage. |
Use Scenario: 24 V digital input channel on programmable logic controller exposed to field-wiring ESD and inductive kickback. IC Role / Device Role / Timing Role: Standoff protection device mounted at connector entry point, shunting transients before signal conditioning circuitry. Use Value: 8.92 V VWM ensures no false triggering during 24 V nominal operation; 600 W rating handles repetitive 10/1000 µs surges per IEC 61000-4-5. |
| Automotive Body Control Module Power Rail | Smart Sensor Node ESD Protection |
|
Use Scenario: Centralized 12 V power distribution bus supplying multiple microcontrollers and CAN transceivers in door modules. IC Role / Device Role / Timing Role: Primary rail-level TVS suppressing coupled transients from adjacent motor loads (e.g., window lifters). Use Value: AEC-Q101 qualification and +150°C TJ max ensure sustained performance in confined, thermally stressed environments near motors. |
Use Scenario: Low-power environmental sensor node with I²C interface, deployed in factory automation where cable ESD exceeds ±8 kV contact discharge. IC Role / Device Role / Timing Role: Secondary protection stage after common-mode choke, limiting residual ESD energy entering MCU GPIO pins. Use Value: <1 µA leakage at 8.92 V VWM prevents battery drain in always-on nodes; SMB footprint minimizes PCB area vs. larger DO-214AB alternatives. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Same DO-214AC (SMA) package; lower PPPSM (400 W); VBR = 12.2–13.5 V; higher VC = 18.2 V @ 22 A | Limited to lower-energy transients; not AEC-Q101 qualified; unsuitable for ISO 7637-2 Pulse 1 | Select SMAJ11A only for cost-sensitive consumer applications with <400 W surge exposure and no automotive qualification requirement. |
| 1.5SMC11A | DO-214AB (SMC) package; same 600 W rating; VBR = 11.1–12.9 V; VC = 17.5 V @ 34.3 A; RθJA = 30°C/W | Larger footprint increases layout area; superior thermal performance allows higher ambient operation but requires PCB real estate trade-off | Choose 1.5SMC11A when board space permits and junction temperature must stay below 130°C under sustained 2.5 W dissipation. |
Compared with SMAJ11A and 1.5SMC11A, the P6SMB11H uniquely balances AEC-Q101 compliance, 600 W surge capacity, SMB footprint efficiency, and ISO 7637-2 readiness - making it the preferred choice for space-constrained automotive power rail protection where qualification and reliability are mandatory.
Availability
P6SMB11H is available at Aetrix Electronics and suitable for automotive lighting systems, industrial PLC I/O modules, body control unit power rails, and smart sensor node ESD protection requiring stable component supply across extended production lifecycles.
Supply support for P6SMB11H 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 high-reliability protection devices and power management components.
The P6SMB11H belongs to TSC's AEC-Q101-qualified P6SMB series of surface-mount TVS diodes, engineered specifically for automotive and industrial transient immunity where compact size, high surge rating, and qualification rigor are jointly required.
FAQ
What is the maximum clamping voltage of the P6SMB11H under rated surge conditions?
The P6SMB11H exhibits a maximum clamping voltage (VC) of 16.2 V when subjected to its rated 38 A peak pulse current (10/1000 µs waveform). This value is measured per ANSI/IEEE C62.35 and guarantees that downstream circuitry sees no more than 16.2 V during worst-case transient events - critical for protecting 16 V-tolerant automotive ICs connected to a 12 V rail.
Is the P6SMB11H suitable for bidirectional transient protection?
No - the P6SMB11H is a unidirectional TVS diode intended for positive-polarity surge suppression only. For bidirectional protection, Taiwan Semiconductor offers the P6SMB11AH variant (marked KRJ), which provides symmetrical clamping in both directions. Using P6SMB11H in reverse-biased configurations risks permanent junction damage due to lack of reverse breakdown specification.
Does the P6SMB11H require moisture sensitivity baking before reflow soldering?
No - the P6SMB11H is rated at Moisture Sensitivity Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30°C/60% RH and placed directly into standard lead-free reflow profiles without pre-bake. This eliminates process steps and reduces risk of popcorn cracking during assembly - a key advantage over MSL 2a or higher TVS devices.
How does the P6SMB11H compare to the P6SMB10H in terms of stand-off voltage and application fit?
The P6SMB11H has a VWM of 8.92 V versus 8.10 V for the P6SMB10H, making it better suited for 12 V systems where tighter margin above nominal rail is needed. Its higher VBR (9.9–12.1 V vs. 9.0–11.0 V) delays turn-on slightly, reducing leakage-induced power loss while maintaining robust clamping - ideal for always-on automotive modules where quiescent current matters.
What is the forward voltage drop of the P6SMB11H under high-current surge conditions?
The P6SMB11H specifies a forward voltage (VF) of 3.5 V at 50 A, consistent with all P6SMB6.8H–P6SMB91H unidirectional variants. This low VF ensures minimal power dissipation during forward conduction events (e.g., reverse battery connection), and confirms the device can safely handle 100 A non-repetitive forward surge per its IFSM rating - a key reliability parameter for automotive fault tolerance.
P6SMB11H 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):
- 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)
P6SMB11H FAQ
1.How can I place an order for P6SMB11H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11H 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 P6SMB11H reliable?
The price and inventory of P6SMB11H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11H is usually 5 days.
3.What payment methods are accepted for P6SMB11H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11H?
P6SMB11H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11H 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 P6SMB11H?
For technical support, including P6SMB11H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11H requirements.
6.How does Aetrix verify that P6SMB11H is sourced from the original manufacturer or authorized distributors?
All P6SMB11H 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 P6SMB11H meets industry standards.
7.What is the process for return or replacement of P6SMB11H?
All P6SMB11H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11H, 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 P6SMB11H part is unused and in its original packaging.
Return procedure for P6SMB11H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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