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Taiwan Semiconductor Corporation P6SMB16CAH
- Part No.:
- P6SMB16CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16CAH.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,592
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Product details
Overview
P6SMB16CAH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for automotive-grade ESD and surge protection in power rails and signal lines. It features a standoff voltage of 13.6 V, breakdown voltage range of 15.2–16.8 V at 1 mA, clamping voltage of 22.5 V at 28 A peak pulse current, and AEC-Q101 qualification for under-hood and infotainment applications.
For engineers reviewing the P6SMB16CAH datasheet, P6SMB16CAH pinout, P6SMB16CAH application, or P6SMB16CAH equivalent, key selection criteria include bidirectional clamping performance, ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance, DO-214AA (SMB) package compatibility, and low leakage (<1 µA @ 13.6 V) in automotive power management circuits.
Technical Context
The P6SMB16CAH implements a glass-passivated silicon junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR(min)) and robust clamping under repetitive surge stress. Its bipolar configuration enables symmetrical protection without polarity sensitivity, supporting both positive and negative transients across the same device terminals.
Thermal design is enabled by RθJC = 10 °C/W and RθJA = 55 °C/W, allowing sustained operation up to TJ = 150 °C. The device meets JESD201 Class 2 whisker resistance and J-STD-020 Moisture Sensitivity Level 1, ensuring reliability in automated SMT assembly and high-humidity environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13.6 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA; defines safe DC bias margin for 12 V automotive systems. |
| VBR(min/max) | 15.2–16.8 V @ IT = 1 mA - Confirmed breakdown threshold ensures predictable turn-on during transients above nominal rail voltage. |
| VC @ IPPM | 22.5 V @ 28 A (10/1000 µs) - Clamping voltage limits downstream IC stress during ISO 7637-2 Pulse 2b (inductive load dump) events. |
| PPPSM | 600 W - Peak pulse power rating determines survivability against 10/1000 µs surges without degradation. |
| IR @ VWM | <1 µA - Ultra-low reverse leakage preserves battery life in always-on vehicle modules such as CAN gateways and body controllers. |
| TJ(max) | 150 °C - Junction temperature limit supports placement near heat sources (e.g., power converters) in engine control units. |
| Package | DO-214AA (SMB) - Standardized 2-pin surface-mount outline with 4.58 mm × 3.94 mm footprint and 2.29 mm height for high-density PCB layouts. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode band marking for unidirectional variants; P6SMB16CAH is bidirectional and marked with "KZJ" code - no polarity designation required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional transient conduction path | Either terminal serves as anode or cathode depending on transient polarity; eliminates orientation constraints during placement. |
| Case | Non-electrical mechanical interface | Plastic body provides UL 94V-0 flammability rating and thermal isolation; no electrical connection or heatsinking function. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements including temperature cycling, HTRB, and ESD - enables use in ASIL-B systems without additional qualification. |
| Glass passivated junction | Enhances long-term stability of VBR and leakage under thermal cycling and humidity exposure, critical for 15-year vehicle service life. |
| ISO 7637-2 compliance | Withstands Pulse 1 (capacitive coupling), Pulse 2a/2b (inductive load dump), and Pulse 3a/3b (switching noise) waveforms without failure or parameter shift. |
| Low profile SMB package | Enables automated pick-and-place with standard feeders and reflow profiles; compatible with IPC-7351B land pattern for DO-214AA. |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU - supports green manufacturing and end-of-life recycling requirements. |
Applications
| Automotive Infotainment Power Rail Protection | Body Control Module (BCM) Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V supply inputs to head unit MCUs and audio amplifiers from load dump and jump-start transients. IC Role / Device Role / Timing Role: Bidirectional TVS clamps both positive and negative excursions on VCC lines to prevent latch-up or overvoltage damage. Use Value: Limits clamped voltage to 22.5 V during 28 A pulses, keeping MCU VDD within absolute maximum ratings while maintaining AEC-Q101 reliability. |
Use Scenario: Safeguarding LIN bus and sensor analog inputs in BCMs against ESD and coupled noise from solenoid drivers. IC Role / Device Role / Timing Role: Fast-response (<1 ps) clamping diverts sub-microsecond ESD events away from precision ADCs and transceivers. Use Value: Sub-1 µA leakage at 13.6 V prevents signal offset drift in 12-bit sensor front-ends; SMB footprint fits tight routing near connectors. |
| Engine Control Unit (ECU) Sensor Interface Protection | Electric Power Steering (EPS) Motor Driver Protection |
Use Scenario: Shielding crankshaft/camshaft position sensor outputs from inductive kickback and alternator ripple. IC Role / Device Role / Timing Role: Standoff voltage of 13.6 V allows uninterrupted operation during normal 12 V system variation while clamping >15 V spikes. Use Value: Temperature coefficient of 0.086 %/°C ensures stable VBR across –40 °C to +150 °C ambient, matching ECU thermal envelope. |
Use Scenario: Suppressing switching transients on H-bridge gate drive lines and current sense paths in EPS motor controllers. IC Role / Device Role / Timing Role: 600 W peak power rating handles repeated 10/1000 µs surges from PWM commutation without derating. Use Value: RθJA = 55 °C/W enables direct PCB copper pour mounting without heatsink, reducing BOM count in space-constrained EPS modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16CA | Same DO-214AA package, identical VWM/VBR/VC specs, but not AEC-Q101 qualified; RθJA = 60 °C/W vs. 55 °C/W. | Limited to industrial or consumer applications; unsuitable for automotive under-hood deployment without additional validation. | Select when cost sensitivity outweighs automotive qualification requirements and thermal margin is ≥5 °C higher than P6SMB16CAH. |
| 1.5SMC16CA | Higher power (1500 W), larger DO-214AB (SMC) package (7.11 mm × 6.22 mm); VC = 26.0 V @ 58.3 A - less precise clamping for 12 V rails. | Used where higher surge immunity is needed (e.g., alternator output), but requires PCB redesign due to 2.5× larger footprint. | Choose only if system-level testing confirms 26.0 V clamping is acceptable and board space permits SMC layout. |
Compared with SMBJ16CA and 1.5SMC16CA, P6SMB16CAH uniquely delivers AEC-Q101 qualification, tighter thermal resistance, and optimal clamping for 12 V automotive rails in the smallest standardized SMB form factor - making it the preferred choice for new automotive designs requiring zero-layout-change integration.
Availability
P6SMB16CAH is available at Aetrix Electronics and suitable for automotive infotainment systems, body control modules, engine control units, and electric power steering systems requiring stable component supply across multi-year production cycles.
Supply support for P6SMB16CAH 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 certification capability.
The P6SMB series targets automotive and industrial transient protection, engineered specifically for ISO 7637-2 compliance, high-reliability SMT assembly, and extended temperature operation in harsh environments.
FAQ
What does the "CAH" suffix indicate in P6SMB16CAH?
The "CAH" suffix denotes a bidirectional configuration with AEC-Q101 qualification. Unlike unidirectional "CH" variants, P6SMB16CAH provides symmetrical clamping for both polarities - essential for protecting differential buses and AC-coupled signals. This version also undergoes full automotive stress testing per AEC-Q101 Rev D.
How does P6SMB16CAH differ from P6SMB16AH?
P6SMB16AH is unidirectional with cathode band marking and forward voltage specification (VF = 3.5 V @ 50 A), while P6SMB16CAH is bidirectional with no polarity marking and no VF rating. Their VBR, VWM, and VC values are identical, but P6SMB16CAH supports dual-polarity transients without circuit redesign - a key distinction in CAN/LIN and sensor interface protection.
Is P6SMB16CAH compatible with lead-free reflow profiles?
Yes, P6SMB16CAH uses matte tin-plated leads compliant with J-STD-002 solderability standards and withstands peak reflow temperatures up to 260 °C for 10 seconds. Its DO-214AA package is rated for IPC/JEDEC J-STD-020 moisture sensitivity level 1, eliminating bake requirements prior to assembly.
What is the maximum allowable PCB trace length for effective ESD protection using P6SMB16CAH?
For sub-nanosecond ESD events, keep trace inductance below 10 nH - typically achieved with ≤5 mm total path length (including vias and ground return) between P6SMB16CAH and protected IC pins. Longer traces degrade clamping speed; verified performance data shows <1.0 ps response assumes minimal parasitic inductance per manufacturer characterization.
Does P6SMB16CAH meet ISO 10605 for ESD immunity?
P6SMB16CAH is characterized for IEC 61000-4-2 (±30 kV air, ±25 kV contact) and supports ISO 10605 system-level testing via its low clamping voltage (22.5 V) and fast response (<1.0 ps). While the device itself is not certified to ISO 10605, its parameters enable compliant system design when placed within 2 cm of connector entry points per ISO 10605 layout guidelines.
P6SMB16CAH 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):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22.5V
- Current - Peak Pulse (10/1000µs):
- 28A
- 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)
P6SMB16CAH FAQ
1.How can I place an order for P6SMB16CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16CAH 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 P6SMB16CAH reliable?
The price and inventory of P6SMB16CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16CAH is usually 5 days.
3.What payment methods are accepted for P6SMB16CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16CAH?
P6SMB16CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16CAH 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 P6SMB16CAH?
For technical support, including P6SMB16CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16CAH requirements.
6.How does Aetrix verify that P6SMB16CAH is sourced from the original manufacturer or authorized distributors?
All P6SMB16CAH 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 P6SMB16CAH meets industry standards.
7.What is the process for return or replacement of P6SMB16CAH?
All P6SMB16CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16CAH, 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 P6SMB16CAH part is unused and in its original packaging.
Return procedure for P6SMB16CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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