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Taiwan Semiconductor Corporation P6SMB16
- Part No.:
- P6SMB16
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB16.pdf
- Description:
- 600W, 16V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:6,231
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Product details
Overview
P6SMB16 from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 14.4–17.6 V, clamping voltage of 23.5 V at 26 A peak pulse current, and stand-off voltage of 12.9 V. It protects DC power rails in switching mode power supplies, adapters, and display electronics against ESD and surge events per ISO 7637-2.
For engineers reviewing the P6SMB16 datasheet, P6SMB16 pinout, P6SMB16 application, or P6SMB16 equivalent, key selection criteria include its DO-214AA (SMB) package compatibility, low leakage (<1 µA @ 12.9 V), fast sub-1 ps response, and compliance with automotive pulse test standards.
Technical Context
The P6SMB16 operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its minimum breakdown threshold of 14.4 V at 1 mA test current. Its clamping action limits transient-induced voltage to ≤23.5 V under a 10/1000 µs waveform at 26 A, enabling robust protection of downstream 15 V-rated circuitry.
Thermally, it features a junction-to-ambient thermal resistance of 55 °C/W and maximum junction temperature of +150 °C, supporting operation in compact, high-density PCB layouts without forced cooling. Its glass-passivated junction ensures stable performance and low leakage across industrial temperature ranges (−55 °C to +150 °C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.4 V / 17.6 V - defines reliable avalanche initiation window under 1 mA test current |
| VWM | 12.9 V - maximum continuous reverse operating voltage before leakage rises significantly |
| VC @ IPPM | 23.5 V @ 26 A - peak clamped voltage during 10/1000 µs surge, limiting stress on protected ICs |
| PPPSM | 600 W - non-repetitive peak pulse power handling capability per standard waveform |
| IR @ VWM | <1 µA - ultra-low reverse leakage preserves efficiency in standby and low-power modes |
| TJ max | +150 °C - enables use in thermally constrained environments like enclosed power adapters |
| Package | DO-214AA (SMB) - industry-standard surface-mount outline with 0.090 g mass and J-STD-002 solderability |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode band marking polarity, UL 94V-0 rated compound, and JEDEC-compliant mechanical dimensions. Weight ≈ 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side return path in unidirectional TVS configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12–15 V rail); conducts during overvoltage to shunt energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| Fast response time | Typically <1.0 ps - enables suppression before sensitive logic or analog circuits are damaged |
| Clamping ratio (VC/VBR) | ~1.63 - low ratio indicates efficient voltage limiting relative to breakdown onset |
| ISO 7637-2 compliance | Pulse 1/2a/2b/3a/3b - validated for automotive-level load dump and inductive switching transients |
| Moisture sensitivity | Level 1 per J-STD-020 - no bake required prior to reflow, simplifying SMT assembly |
| RoHS & halogen-free | Complies with IEC 61249-2-21 - meets environmental requirements for global commercial and industrial shipments |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapter |
|---|---|
Use Scenario: Protects primary-side bias rails and secondary-side 12–15 V output lines from flyback spikes and ESD during hot-plug. IC Role / Device Role / Timing Role: Unidirectional TVS placed between output rail and ground to clamp surges before they reach DC-DC controllers or LDOs. Use Value: Limits transient voltage to 23.5 V, ensuring safe operation of 24 V-tolerant regulators and preventing latch-up in adjacent logic. | Use Scenario: Shields USB-C PD negotiation lines and auxiliary 5–15 V auxiliary rails from coupling noise and lightning-induced surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on adapter output connector to absorb repetitive 10/1000 µs pulses up to 600 W without degradation. Use Value: Maintains <1 µA leakage at 12.9 V, avoiding battery drain in always-connected wall adapters during standby. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: Guards main 12 V and 24 V power distribution nets against inductive kickback from relay drivers and fan motors. IC Role / Device Role / Timing Role: Primary-line TVS on board-level power entry, coordinated with upstream fuses and common-mode chokes. Use Value: Withstands ≥1000 surge cycles per ISO 7637-2 Pulse 2b, extending field life in consumer TV deployments. | Use Scenario: Clamps ringing and arc-induced transients on CCFL or LED driver outputs feeding high-voltage backlight transformers. IC Role / Device Role / Timing Role: Secondary-side TVS on inverter output stage, referenced to local ground to suppress >1 kV spikes. Use Value: 23.5 V clamping prevents gate oxide breakdown in MOSFET half-bridge drivers operating near 20 V rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A | Bi-directional variant; VBR = 16.7–18.5 V; same DO-214AA package and 600 W rating | Required where AC-coupled or bidirectional signal lines need symmetrical clamping (e.g., RS-485, CAN bus) | Select SMBJ16A only if bipolar protection is needed; P6SMB16 offers lower leakage and tighter VBR tolerance for DC rails. |
| 1.5SMC16A | Same VBR range but in larger DO-214AB (SMC) package; higher thermal mass (RθJA = 35 °C/W vs. 55 °C/W) | Better suited for high-temperature ambient designs (>85 °C) or infrequent high-energy surges | Choose 1.5SMC16A when board space allows and thermal derating is critical; P6SMB16 saves area in dense SMPS layouts. |
Compared with SMBJ16A and 1.5SMC16A, the P6SMB16 delivers optimal balance of compact DO-214AA footprint, low leakage, and precise unidirectional clamping for cost-sensitive 12–15 V DC power protection-without requiring layout changes or thermal redesign.
Availability
P6SMB16 is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and television power boards requiring stable component supply and full traceability.
Supply support for P6SMB16 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 industrial and consumer markets.
The P6SMB series targets cost-effective, high-reliability transient suppression in space-constrained surface-mount applications-designed specifically for compliance with ISO 7637-2 and JEDEC moisture sensitivity Level 1.
FAQ
What is the maximum clamping voltage of the P6SMB16 under standard surge conditions?
The P6SMB16 has a maximum clamping voltage (VC) of 23.5 V when subjected to a 10/1000 µs waveform at its rated peak pulse current of 26 A. This value is measured per ANSI/IEEE C62.35 and ensures downstream 15 V-rated components remain within safe operating limits during transient events. The P6SMB16 achieves this while maintaining low leakage and fast response.
Is the P6SMB16 unidirectional or bidirectional, and how is polarity identified?
The P6SMB16 is a unidirectional TVS diode, intended for DC line protection where surge current flows in one direction only. Polarity is marked by a cathode band on the DO-214AA (SMB) package body; the banded end connects to the protected line, and the anode connects to ground. Bidirectional variants require "C" or "CA" suffixes (e.g., P6SMB16C), which the P6SMB16 does not carry.
Does the P6SMB16 meet automotive surge immunity standards?
Yes, the P6SMB16 meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b test requirements for automotive electronic modules. Its 600 W peak pulse power rating, fast sub-1 ps response, and verified clamping behavior under standardized waveforms make it suitable for protecting infotainment power supplies, display controllers, and accessory modules in 12 V vehicle systems.
What is the leakage current specification for the P6SMB16 at its stand-off voltage?
The P6SMB16 exhibits a maximum reverse leakage current (IR) of less than 1 µA when biased at its rated stand-off voltage (VWM) of 12.9 V. This ultra-low leakage minimizes quiescent power loss and avoids false triggering in high-impedance sensing or battery-backed circuits, confirming its suitability for energy-efficient adapter and monitor designs.
Can the P6SMB16 be used in reflow soldering processes without moisture-related defects?
Yes, the P6SMB16 is rated at Moisture Sensitivity Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30 °C/60% RH and requires no baking prior to standard Pb-free or SnPb reflow. Its matte tin-plated leads comply with J-STD-002 for solderability, and the UL 94V-0 molding compound withstands peak reflow temperatures up to 260 °C.
P6SMB16 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):
- 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)
P6SMB16 FAQ
1.How can I place an order for P6SMB16 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB16 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 P6SMB16 reliable?
The price and inventory of P6SMB16 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB16 is usually 5 days.
3.What payment methods are accepted for P6SMB16?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB16 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB16?
P6SMB16 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB16 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 P6SMB16?
For technical support, including P6SMB16 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB16 requirements.
6.How does Aetrix verify that P6SMB16 is sourced from the original manufacturer or authorized distributors?
All P6SMB16 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 P6SMB16 meets industry standards.
7.What is the process for return or replacement of P6SMB16?
All P6SMB16 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB16, 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 P6SMB16 part is unused and in its original packaging.
Return procedure for P6SMB16:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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