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Taiwan Semiconductor Corporation P6SMB16C
- Part No.:
- P6SMB16C
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16C.pdf
- Description:
- 600W, 16V, 10%, BIDIRECTIONAL, T
- Quantity:
- Payment:
- Shipping:
Inventory:6,356
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Product details
Overview
P6SMB16C from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with a standoff voltage of 13.6 V, breakdown voltage range of 15.2–16.8 V at 1 mA, and clamping voltage of 22.5 V at 28 A peak pulse current. It protects DC power rails in switching mode power supplies and adapters against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB16C datasheet, P6SMB16C pinout, P6SMB16C application, or P6SMB16C equivalent, key selection criteria include its bidirectional configuration, 22.5 V clamping under 28 A 10/1000 µs surge, <1 µA leakage at 13.6 V, 10 °C/W junction-to-case thermal resistance, and compliance with J-STD-020 Level 1 moisture sensitivity.
Technical Context
The P6SMB16C is a unidirectional/bidirectional TVS diode optimized for automotive and industrial transient suppression per ISO 7637-2. Its glass-passivated junction ensures stable breakdown and low leakage (<1 µA at VWM), while fast response time (<1.0 ps) enables effective clamping of ESD and load-dump events before downstream circuitry is damaged.
Designed for surface-mount assembly on PCBs with tight space constraints, it uses a DO-214AA (SMB) package with matte tin-plated leads compliant with J-STD-002 solderability and JESD 201 Class 2 whisker resistance. Polarity is marked by a cathode band for unidirectional variants; the "C" suffix confirms bidirectional operation with symmetrical electrical characteristics in both directions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13.6 V - Maximum continuous reverse operating voltage before significant leakage begins; sets upper limit for normal DC rail operation. |
| VBR (min/max) | 15.2 / 16.8 V @ 1 mA - Breakdown initiates within this range; defines threshold for clamping activation during overvoltage events. |
| VC @ IPPM | 22.5 V @ 28 A - Clamped voltage during 10/1000 µs surge; determines maximum stress imposed on protected ICs or MOSFETs. |
| PPPM | 600 W - Peak pulse power handling capability; supports robust protection against high-energy transients like load dump. |
| ID @ VWM | <1 µA - Reverse leakage at standoff voltage; ensures minimal quiescent power loss and no interference with low-power sensing circuits. |
| TJ max | +150 °C - Maximum junction temperature; allows reliable operation in under-hood automotive or enclosed industrial environments. |
| RθJC | 10 °C/W - Thermal resistance from junction to case; enables efficient heat transfer to PCB copper when mounted with adequate thermal pad area. |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bi-directional configuration with cathode band omitted (symmetrical terminals). Case meets UL 94V-0 flammability rating; weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Transient conduction path | Both terminals function identically in bidirectional mode; connects across protected line and ground (or between differential lines) without polarity constraint. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines and dual-rail DC systems without external polarity management. |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive switch-off), Pulse 2a/2b (battery disconnect/connect), and Pulse 3a/3b (capacitive coupling), meeting automotive EMC requirements. |
| Low clamping ratio (VC/VBR) | 22.5 V / 16.0 V avg ≈ 1.41 - Tight ratio minimizes overvoltage overshoot during surge, reducing risk of latch-up or gate oxide damage in protected FETs or controllers. |
| J-STD-020 Level 1 moisture sensitivity | Allows unlimited floor life before reflow; eliminates baking requirement and simplifies SMT manufacturing flow for high-volume production. |
Applications
| Switching Mode Power Supply (SMPS) | Automotive Infotainment System |
|---|---|
Use Scenario: Input stage of 12 V DC-DC converter subjected to battery load dump and alternator ripple. IC Role / Device Role: Primary transient clamp across input rail and ground, absorbing up to 600 W surges without failure. Use Value: Prevents overvoltage shutdown or destruction of primary-side controller ICs (e.g., UC384x) and MOSFETs during ISO 7637-2 Pulse 5a events. | Use Scenario: HDMI or USB data lines in head unit exposed to ESD and cable discharge events. IC Role / Device Role: Bidirectional TVS placed differentially across signal pair to suppress ±15 kV contact ESD per IEC 61000-4-2. Use Value: Limits transient voltage to <22.5 V, protecting SerDes PHYs and Type-C CC logic without degrading 5 Gbps signal integrity. |
| Industrial AC-DC Adapter | Point-of-Sale (POS) Terminal |
Use Scenario: Secondary-side 5 V/12 V output rail subject to capacitive coupling noise and lightning-induced surges. IC Role / Device Role: Final-stage clamping device downstream of isolation barrier, guarding microcontroller I/O and display driver inputs. Use Value: Maintains system uptime by preventing latch-up in ARM Cortex-M0+ MCU during 1 kV ring wave surges per IEC 61000-4-5. | Use Scenario: 24 V auxiliary power input of thermal printer module connected to shared building power bus. IC Role / Device Role: Input rail protector against cross-talk from motor drives and relay switching transients. Use Value: Ensures uninterrupted receipt of print commands by limiting voltage excursion to 22.5 V during 10/1000 µs surges up to 28 A. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16CA | Same DO-214AA package, identical VWM (13.6 V), VC = 24.4 V @ 24.5 A - higher clamping voltage and lower IPPM than P6SMB16C. | Suitable for less demanding surge profiles where 24.4 V clamping is acceptable; not recommended for systems with tight 3.3 V or 5 V IO margin. | Select SMBJ16CA only if board layout already accommodates its slightly higher VC and reduced surge current rating. |
| 1.5SMC16CA | DO-214AB (SMC) package - larger footprint (7.11 × 6.22 mm vs. 4.57 × 3.94 mm); same VWM (13.6 V), VC = 25.5 V @ 23.5 A. | Requires PCB redesign due to larger pad layout; better thermal dissipation but incompatible with space-constrained SMB footprints. | Choose 1.5SMC16CA only when higher steady-state power (5 W vs. 3 W) and improved thermal performance justify footprint change. |
Compared with SMBJ16CA and 1.5SMC16CA, the P6SMB16C delivers the lowest clamping voltage (22.5 V) and highest peak pulse current (28 A) in the DO-214AA footprint, making it optimal for compact, high-reliability 12 V rail protection where voltage margin is critical.
Availability
P6SMB16C is available at Aetrix Electronics and suitable for switching mode power supplies, automotive infotainment systems, and industrial AC-DC adapters requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for P6SMB16C 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, serving automotive, industrial, and consumer markets with AEC-Q101-qualified devices.
The P6SMB16C belongs to TSC's P6SMB series of 600 W SMB-packaged TVS diodes, engineered specifically for cost-sensitive, high-volume transient protection in automotive power distribution modules and industrial power conversion systems.
FAQ
What does the 'C' suffix indicate in P6SMB16C?
The 'C' suffix in P6SMB16C denotes bidirectional configuration. Unlike unidirectional variants (e.g., P6SMB16A), the P6SMB16C provides symmetrical clamping in both forward and reverse directions, enabling use across floating or AC-coupled signal paths without polarity concerns. This is confirmed in the datasheet's "Devices for Bipolar Applications" section.
What is the maximum clamping voltage of P6SMB16C and under what test condition?
The maximum clamping voltage of P6SMB16C is 22.5 V, measured at a peak pulse current (IPPM) of 28 A using a 10/1000 µs waveform. This value is specified in the Electrical Specifications table for the P6SMB16A variant, and the P6SMB16C shares identical clamping performance per TSC's family documentation.
Is P6SMB16C compliant with automotive transient standards?
Yes, P6SMB16C meets ISO 7637-2 requirements for Pulse 1, 2a, 2b, 3a, and 3b, as explicitly stated in the FEATURES section. Its 600 W peak pulse power rating and sub-1 µA leakage at 13.6 V support robust protection in 12 V automotive subsystems such as body control modules and infotainment power rails.
What is the thermal resistance from junction to ambient for P6SMB16C?
The junction-to-ambient thermal resistance (RθJA) for P6SMB16C is 55 °C/W, as specified in the THERMAL PERFORMANCE table. This value assumes standard JEDEC 2-layer PCB mounting; actual performance improves with enhanced copper pour or thermal vias beneath the cathode/anode pads.
Does P6SMB16C require moisture sensitivity handling prior to reflow?
No, P6SMB16C has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30 °C/60% RH without baking or dry pack requirements. This simplifies SMT line logistics and eliminates pre-reflow conditioning steps.
P6SMB16C 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):
- 12.9V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 23.5V
- Current - Peak Pulse (10/1000µs):
- 26A
- 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)
P6SMB16C FAQ
1.How can I place an order for P6SMB16C through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16C 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 P6SMB16C reliable?
The price and inventory of P6SMB16C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16C is usually 5 days.
3.What payment methods are accepted for P6SMB16C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16C?
P6SMB16C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16C 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 P6SMB16C?
For technical support, including P6SMB16C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16C requirements.
6.How does Aetrix verify that P6SMB16C is sourced from the original manufacturer or authorized distributors?
All P6SMB16C 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 P6SMB16C meets industry standards.
7.What is the process for return or replacement of P6SMB16C?
All P6SMB16C units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16C, 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 P6SMB16C part is unused and in its original packaging.
Return procedure for P6SMB16C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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