Taiwan Semiconductor Corporation P6SMB13
- Part No.:
- P6SMB13
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13.pdf
- Description:
- 600W, 13V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:

- Shipping:

Inventory:9,562
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Product details
Overview
P6SMB13 from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 11.7–14.3 V, clamping voltage of 19.0 V at 33 A peak pulse current, and DO-214AA (SMB) package. It protects DC power rails in switching mode power supplies, adapters, and display electronics against ESD and surge events per ISO 7637-2 Pulse 1/2a/2b/3a/3b.
For engineers reviewing the P6SMB13 datasheet, P6SMB13 pinout, P6SMB13 application, or P6SMB13 equivalent, key selection criteria include its 10.5 V stand-off voltage, <1 µA reverse leakage at VWM, 1.0 ps response time, and compliance with JESD201 Class 2 whisker resistance and UL 94V-0 flammability standards.
Technical Context
The P6SMB13 operates as a unidirectional avalanche diode, triggering when reverse voltage exceeds its minimum breakdown voltage (11.7 V) at 1.0 mA test current. Its glass-passivated junction ensures stable VBR tolerance (±5% for 'A' variant; P6SMB13 is non-A), and thermal resistance values (RθJA = 55 °C/W, RθJC = 10 °C/W) support reliable operation up to 150 °C junction temperature.
Designed for automotive and industrial environments, it meets ISO 7637-2 immunity requirements for load dump and inductive switching transients. The device exhibits a positive temperature coefficient of VBR (0.081 %/°C), enabling predictable voltage shift across temperature, and features matte tin-plated leads compliant with J-STD-002 solderability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 11.7 V / 14.3 V - Ensures reliable turn-on above system operating voltage while avoiding false triggering |
| VWM | 10.5 V - Maximum continuous reverse working voltage compatible with 12 V nominal DC rails |
| VC @ IPPM | 19.0 V at 33 A - Limits downstream IC voltage stress during 10/1000 µs surges |
| PPPSM | 600 W - Peak pulse power rating for standardized surge immunity testing |
| IR @ VWM | <1 µA - Negligible standby leakage, critical for low-power and battery-backed circuits |
| Response time | <1.0 ps - Sub-nanosecond clamping enables protection of high-speed logic and analog interfaces |
| TJ max | +150 °C - Supports operation in under-hood automotive and enclosed industrial enclosures |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, single-diode configuration with cathode band marking. Weight: 0.090 g. Molding compound meets UL 94V-0; terminals are matte tin-plated per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side return path in unidirectional TVS configurations |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12 V rail); conducts during overvoltage to shunt energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Ensures long-term stability of breakdown voltage and low parameter drift over temperature and life |
| ISO 7637-2 compliance | Validated protection against automotive electrical transients including load dump (Pulse 5) and inductive switch-off (Pulse 1/2a/2b/3a/3b) |
| Moisture sensitivity level 1 | Enables standard SMT reflow without baking; eliminates moisture-related popcorning risk |
| Halogen-free construction | Meets IEC 61249-2-21, supporting RoHS-compliant and environmentally regulated end equipment |
| J-STD-020 Level 1 rating | Confirms robustness for automated placement and high-yield assembly in volume manufacturing |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapter |
|---|---|
Use Scenario: Input rectifier output rail protection against line-induced surges and MOSFET switching transients. IC Role / Device Role: Unidirectional TVS clamp placed between +VIN and GND, upstream of bulk capacitor. Use Value: Clamps 10/1000 µs transients to ≤19.0 V, preventing overvoltage damage to primary-side controllers and gate drivers. | Use Scenario: Secondary-side 12 V DC output line protection in wall-mounted adapters. IC Role / Device Role: Standoff-rated TVS (VWM = 10.5 V) guarding USB-PD or legacy 5/12 V outputs against ESD and coupling noise. Use Value: Sub-1 µA leakage preserves no-load efficiency; SMB footprint supports compact board layout. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: Protection of main 24 V or 48 V power distribution net against hot-swap and relay bounce transients. IC Role / Device Role: Primary-level TVS on main DC bus feeding PFC and LLC stages. Use Value: 600 W peak power rating handles repetitive surge events common in broadcast-grade power systems. | Use Scenario: Surge suppression on CCFL or LED driver enable/control lines exposed to inverter switching noise. IC Role / Device Role: Low-capacitance (<50 pF typical) unidirectional clamp on logic-level control inputs. Use Value: Fast 1.0 ps response prevents latch-up in microcontroller GPIOs driving backlight dimming signals. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A | Breakdown range 14.4–15.9 V; tighter VBR tolerance (±5%); same SMB package and 600 W rating | Higher VWM (11.1 V) suits 13.8 V nominal systems; slightly higher clamping (18.2 V) | Select SMBJ13A where tighter VBR spec and marginally higher standoff are required for 13.8 V rails. |
| 1.5SMC13A | Same VBR/VWM specs; larger DO-214AB (SMC) package; higher thermal mass (RθJA = 40 °C/W) | Better sustained power handling in high-ambient environments; requires larger PCB footprint | Choose 1.5SMC13A when board space allows and thermal derating for >1 Hz surge repetition is needed. |
Compared with P6SMB13, SMBJ13A offers tighter VBR control for precision clamping, while 1.5SMC13A provides superior thermal performance in thermally constrained designs-neither is pin-compatible due to differing package outlines, requiring layout revision.
Availability
P6SMB13 is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and television power boards requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for P6SMB13 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for industrial, computing, and consumer markets.
The P6SMB13 belongs to TSC's P6SMB series of 600 W SMB-packaged TVS diodes, engineered for cost-effective, high-reliability surge protection in automotive-qualified and industrial-grade power conversion systems.
FAQ
What is the maximum clamping voltage of the P6SMB13 under standard 10/1000 µs surge conditions?
The P6SMB13 has a maximum clamping voltage (VC) of 19.0 V when subjected to its rated peak pulse current of 33 A using the 10/1000 µs waveform. This value is measured at TA = 25°C and defines the upper voltage limit imposed on protected circuitry during transient events. Designers use this spec to verify that downstream components remain within absolute maximum ratings during surge exposure.
Is the P6SMB13 suitable for bidirectional transient suppression?
No, the P6SMB13 is a unidirectional TVS diode intended for DC line protection with defined anode and cathode polarity. For bidirectional applications, Taiwan Semiconductor specifies parts with "C" or "CA" suffixes (e.g., P6SMB13C). Using P6SMB13 in reverse-biased AC paths risks forward conduction and failure; always confirm polarity alignment in schematic and layout for P6SMB13.
What is the stand-off voltage (VWM) of the P6SMB13, and why does it matter?
The P6SMB13 has a maximum stand-off voltage (VWM) of 10.5 V, meaning it remains non-conductive under continuous reverse bias up to this level. This spec ensures compatibility with 12 V nominal systems where normal operating voltage may reach ~12.8 V but must stay below VBR min (11.7 V) to avoid leakage or premature clamping. Exceeding VWM risks increased power loss and thermal stress.
Does the P6SMB13 meet automotive surge immunity standards?
Yes, the P6SMB13 meets ISO 7637-2 requirements for Pulse 1 (inductive load disconnect), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling), making it suitable for 12 V automotive subsystems such as infotainment power supplies and body control modules. Its glass-passivated junction and 150 °C TJ rating further support under-hood and dashboard deployment.
What packaging and reel quantity is offered for the P6SMB13?
The P6SMB13 is supplied in DO-214AA (SMB) package on tape-and-reel format, with 3,000 units per reel. This packaging supports automated SMT placement and complies with J-STD-020 moisture sensitivity level 1, eliminating pre-bake requirements. The cathode band marking and matte tin-plated leads ensure reliable solder joint formation per J-STD-002.
P6SMB13 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):
- 10.5V
- Voltage - Breakdown (Min):
- 11.7V
- Voltage - Clamping (Max) @ Ipp:
- 19V
- Current - Peak Pulse (10/1000µs):
- 33A
- 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)
P6SMB13 FAQ
1.How can I place an order for P6SMB13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13 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 P6SMB13 reliable?
The price and inventory of P6SMB13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13 is usually 5 days.
3.What payment methods are accepted for P6SMB13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13?
P6SMB13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13 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 P6SMB13?
For technical support, including P6SMB13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13 requirements.
6.How does Aetrix verify that P6SMB13 is sourced from the original manufacturer or authorized distributors?
All P6SMB13 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 P6SMB13 meets industry standards.
7.What is the process for return or replacement of P6SMB13?
All P6SMB13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13, 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 P6SMB13 part is unused and in its original packaging.
Return procedure for P6SMB13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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