Taiwan Semiconductor Corporation P6SMB13CA
- Part No.:
- P6SMB13CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13CA.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:3,536
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Product details
Overview
P6SMB13CA from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode designed for robust overvoltage protection in DC power rails and signal lines. It features a standoff voltage of 11.1 V, breakdown voltage range of 12.4–13.7 V at 1 mA test current, clamping voltage of 18.2 V at 34 A peak pulse current, and operates across –55°C to +150°C junction temperature. It is commonly deployed in switching mode power supplies and consumer display interfaces.
For engineers reviewing the P6SMB13CA datasheet, P6SMB13CA pinout, P6SMB13CA application, or P6SMB13CA equivalent, key selection criteria include bidirectional clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, low leakage (<1 µA @ 11.1 V), fast sub-1 ps response, and DO-214AA (SMB) package compatibility with automated SMT assembly.
Technical Context
The P6SMB13CA employs a glass-passivated silicon junction optimized for high-energy transient suppression using a 10/1000 µs waveform. Its bipolar configuration enables symmetrical clamping in both directions without external polarity management, making it suitable for AC-coupled or floating bus protection.
Thermal design relies on a junction-to-case resistance of 10°C/W and junction-to-ambient resistance of 55°C/W, supporting continuous operation up to 3 W at 25°C ambient. The device meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements for SMB molding compound.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11.1 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 12.4 V / 13.7 V - Breakdown occurs within this range at 1 mA, defining reliable turn-on threshold |
| VC @ IPPM | 18.2 V at 34 A - Clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPPM | 600 W - Peak non-repetitive pulse power handling per IEC/ISO standards |
| IR @ VWM | <1 µA - Ultra-low leakage ensures minimal standby power loss in always-on circuits |
| TJ Range | –55°C to +150°C - Enables use in automotive under-hood and industrial control environments |
| Package | DO-214AA (SMB) - Standardized 2-pin surface-mount outline with cathode band marking |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, polarity indicated by cathode band; weight ≈ 0.090 g; moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Current entry point in forward bias; common reference for bidirectional clamping | Connected to protected line or ground return path depending on layout; no dedicated anode/cathode assignment in bidirectional mode |
| Cathode (banded end) | Current exit point in forward bias; defines polarity marking per JEDEC standard | Marking band identifies terminal orientation for manual inspection and automated optical recognition during placement |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Electrical characteristics apply identically in both directions-no external polarity routing needed |
| Fast transient response | Typically <1.0 ps rise time from 0 V to VBR min-critical for protecting high-speed digital interfaces |
| Automated placement support | Low-profile DO-214AA footprint and matte tin plating ensure reliable pick-and-place yield and solder wetting |
| Automotive-grade compliance | Meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b-validated for vehicle battery line transients |
| Halogen-free & RoHS | Complies with IEC 61249-2-21 and EU RoHS Directive-supports green manufacturing requirements |
Applications
| Switching Mode Power Supply (SMPS) | TV Power Input Protection |
|---|---|
Use Scenario: Installed across primary-side DC bus or secondary-side 12/24 V output rails to absorb switching spikes and load dump events. IC Role / Device Role / Timing Role: Standoff voltage limiter and energy shunt-clamps transients above 11.1 V while maintaining low leakage during normal operation. Use Value: Prevents MOSFET gate oxide damage and controller IC latch-up by limiting peak rail voltage to ≤18.2 V during 600 W surges. | Use Scenario: Placed at AC/DC adapter input and main board DC input to suppress ESD and surge coupling from mains or HDMI hot-plug events. IC Role / Device Role / Timing Role: Bidirectional transient clamp-protects bridge rectifier outputs and PFC stage inputs without polarity constraints. Use Value: Enables compliance with IEC 61000-4-2/4-4/4-5 while sustaining <1 µA leakage at 11.1 V, minimizing standby power impact. |
| Monitor DC Power Interface | Industrial Display Backlight Control |
Use Scenario: Mounted on 19–24 V DC input traces of LCD monitor mainboards to guard against cable discharge and supply instability. IC Role / Device Role / Timing Role: Voltage rail protector-absorbs repetitive 10/1000 µs pulses up to 34 A peak without degradation. Use Value: Extends system MTBF by preventing cumulative degradation of DC-DC converter ICs and microcontroller reset circuits. | Use Scenario: Integrated into LED driver supply lines of medical or factory-floor displays exposed to EMI-rich environments. IC Role / Device Role / Timing Role: Fast-response overvoltage clamp-limits transient overshoot during PWM dimming transitions or hot-swap events. Use Value: Maintains backlight stability by clamping spikes within 18.2 V, avoiding LED string current disruption and visible flicker. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13CA (Bourns) | Same DO-214AA package, identical VWM (11.1 V), VC = 21.5 V @ 28.5 A - higher clamping voltage, lower peak current rating | Marginally lower surge handling in high-current transients; suitable where layout limits trace inductance | Select when tighter thermal budget exists and peak clamping voltage tolerance allows ≥21.5 V |
| 1.5SMC13CA (ON Semiconductor) | Same VWM/VBR range, but DO-214AB (SMC) package - larger footprint, higher PPPM (1500 W), RθJA = 30°C/W | Requires PCB area increase; better for sustained surge duty cycles or higher ambient temperatures | Choose when system-level surge testing exceeds 600 W or ambient exceeds 85°C |
Compared with SMBJ13CA and 1.5SMC13CA, the P6SMB13CA offers optimal balance of compact DO-214AA size, 600 W rating, and 18.2 V clamping-ideal for space-constrained consumer electronics where thermal mass is limited and surge profiles align with ISO 7637-2.
Availability
P6SMB13CA is available at Aetrix Electronics and suitable for switching mode power supplies, TV/monitor DC inputs, and industrial display interfaces requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for P6SMB13CA 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 protection devices, rectifiers, and power management components.
The P6SMB series belongs to TSC's industrial-grade TVS portfolio, engineered specifically for high-reliability transient suppression in automotive, consumer, and industrial power systems with stringent ISO 7637-2 and RoHS compliance requirements.
FAQ
What is the maximum clamping voltage of the P6SMB13CA under standard test conditions?
The P6SMB13CA has a maximum clamping voltage (VC) of 18.2 V when subjected to its rated peak pulse current of 34 A using the 10/1000 µs waveform. This value is measured at the device terminals and represents the upper voltage limit imposed on protected circuitry during transient events, ensuring downstream components remain within safe operating limits.
Is the P6SMB13CA unidirectional or bidirectional, and how is polarity identified?
The P6SMB13CA is a bidirectional TVS diode, meaning it provides symmetrical clamping in both forward and reverse directions. Polarity is marked with a cathode band on the DO-214AA package, but unlike unidirectional variants, this marking does not restrict installation orientation-either terminal may connect to the protected line or ground reference.
Does the P6SMB13CA meet automotive transient immunity standards?
Yes, the P6SMB13CA meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements for automotive electrical systems. Its 600 W peak pulse power rating, fast sub-1 ps response, and specified clamping behavior under standardized surge waveforms make it suitable for 12 V and 24 V vehicle power network protection.
What is the leakage current specification for the P6SMB13CA at its standoff voltage?
The P6SMB13CA exhibits a maximum reverse leakage current (ID) of less than 1 µA when biased at its standoff voltage (VWM) of 11.1 V. This ultra-low leakage supports energy-efficient designs in always-on or battery-backed systems where standby power consumption must be minimized.
Can the P6SMB13CA be used in place of a unidirectional P6SMB13C?
No-the P6SMB13CA is bidirectional and electrically distinct from the unidirectional P6SMB13C. While both share the same VWM and VBR ranges, the CA suffix denotes symmetrical breakdown behavior in both polarities, whereas the C version conducts only in reverse. Substitution requires verification of circuit topology and transient directionality.
P6SMB13CA 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):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 34A
- 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)
P6SMB13CA FAQ
1.How can I place an order for P6SMB13CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13CA 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 P6SMB13CA reliable?
The price and inventory of P6SMB13CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13CA is usually 5 days.
3.What payment methods are accepted for P6SMB13CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13CA?
P6SMB13CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13CA 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 P6SMB13CA?
For technical support, including P6SMB13CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13CA requirements.
6.How does Aetrix verify that P6SMB13CA is sourced from the original manufacturer or authorized distributors?
All P6SMB13CA 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 P6SMB13CA meets industry standards.
7.What is the process for return or replacement of P6SMB13CA?
All P6SMB13CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13CA, 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 P6SMB13CA part is unused and in its original packaging.
Return procedure for P6SMB13CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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