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Taiwan Semiconductor Corporation P6SMB13A
- Part No.:
- P6SMB13A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13A.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,296
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Product details
Overview
P6SMB13A from Taiwan Semiconductor is a unidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a breakdown voltage range of 12.4V–13.7V, clamping voltage of 18.2V at 34A peak pulse current, and stand-off voltage of 11.1V. 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 P6SMB13A datasheet, P6SMB13A pinout, P6SMB13A application, or P6SMB13A equivalent, key selection criteria include its 18.2V clamping performance at 34A, 1μA max reverse leakage at 11.1V, DO-214AA (SMB) package compatibility with automated placement, and compliance with J-STD-020 Level 1 moisture sensitivity.
Technical Context
The P6SMB13A operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its minimum breakdown voltage of 12.4V at 1.0mA test current. Its glass-passivated junction ensures stable VBR tolerance (±5% for 'A' suffix) and low leakage (<1μA at 11.1V).
Thermal design relies on RθJC = 10°C/W and RθJA = 55°C/W, supporting operation from –55°C to +150°C junction temperature. It delivers 600W non-repetitive peak pulse power under 10/1000μs waveform, with sub-1ps response time from 0V to VBR(min).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 12.4V / 13.7V - defines reliable conduction onset and tolerance band for overvoltage triggering |
| VWM | 11.1V - maximum continuous reverse working voltage before leakage rises above 1μA |
| VC @ IPPM | 18.2V at 34A - clamping voltage limiting downstream circuit stress during 10/1000μs transients |
| PPPSM | 600W - peak pulse power handling capability under standardized surge waveform |
| IR @ VWM | <1μA - minimal standby power loss and signal integrity impact in high-impedance circuits |
| TJ(max) | +150°C - enables use in thermally constrained PCB layouts near power components |
| Package | DO-214AA (SMB) - industry-standard SMD outline with 0.090g mass and J-STD-002 solderability |
Pinout & Package
DO-214AA (SMB) surface-mount package with cathode band marking; matte tin-plated leads; UL 94V-0 molding compound; polarity indicated by molded cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., GND or return path) in unidirectional protection configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., +12V rail); conducts avalanche current when VAK > VBR |
Key Features
| Feature | Design Value |
|---|---|
| Clamping ratio (VC/VBR(min)) | 1.47 - low overvoltage margin ensures robust protection without excessive headroom |
| Response time | <1.0ps - enables suppression of fast ESD events before IC input structures are damaged |
| Mechanical robustness | JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity - supports reflow and long-term reliability |
| Surge standard compliance | ISO 7637-2 Pulse 1/2a/2b/3a/3b - validated for automotive and industrial load-dump and coupling transient immunity |
| RoHS & halogen-free | Compliant per RoHS Directive and IEC 61249-2-21 - meets environmental requirements for global end markets |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapter |
|---|---|
Use Scenario: Input rectifier output rail protection against line surges and MOSFET switching transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between bulk capacitor and primary-side controller to clamp overshoots below 18.2V. Use Value: Prevents controller latch-up or gate oxide damage during 600W transient events while maintaining <1μA standby leakage. | Use Scenario: Secondary-side 12V DC output line protection in wall-mounted adapters. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing induced noise from nearby switching regulators and cable disconnect spikes. Use Value: Ensures 11.1V nominal operation with 18.2V clamping, preserving downstream LDO or USB-PD interface integrity. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: Protection of main 12V/24V logic and audio supply rails against ESD from HDMI/USB ports and internal switching noise. IC Role / Device Role / Timing Role: Fast-response TVS shunting transients directly at point-of-load before reaching SoC or audio amplifier ICs. Use Value: Sub-1ps response and 18.2V clamping prevent brownout resets and analog distortion in sensitive video/audio subsystems. | Use Scenario: DC bus protection in CCFL or LED backlight inverters exposed to transformer flyback spikes and lamp ignition transients. IC Role / Device Role / Timing Role: High-energy TVS absorbing repetitive 600W pulses without thermal runaway due to RθJA = 55°C/W design margin. Use Value: Enables reliable 150°C junction operation in compact inverter enclosures while meeting IEC/EN 61000-4-5 surge immunity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ13A (Bourns) | Identical DO-214AA package, same VBR (12.4–13.7V), VC = 21.5V @ 28.8A, PPPM = 600W | Higher clamping voltage increases protected circuit stress margin; lower IPPM reduces single-pulse energy absorption | Select SMBJ13A only if layout allows higher clamping or system-level testing confirms 21.5V tolerance |
| 1.5SMC13A (ON Semiconductor) | Same VBR, VC = 21.2V @ 28.3A, PPPM = 1500W, DO-214AB (SMC) package (larger footprint) | Higher power rating suits repetitive surge environments; larger SMC package requires PCB redesign | Choose 1.5SMC13A only when 1500W rating is required and board space permits DO-214AB footprint |
Compared with SMBJ13A and 1.5SMC13A, the P6SMB13A offers tighter clamping (18.2V vs. ≥21.2V) in the compact DO-214AA footprint-critical for space-constrained 12V rail protection where voltage margin is limited.
Availability
P6SMB13A is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and television power boards requiring stable component supply and ISO 7637-2 compliant surge protection.
Supply support for P6SMB13A 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, computing, and consumer applications.
The P6SMB13A belongs to TSC's P6SMB series of 600W surface-mount TVS diodes engineered for cost-effective, high-reliability transient suppression in space-constrained DC power interfaces.
FAQ
What is the clamping voltage of the P6SMB13A and how is it measured?
The P6SMB13A has a maximum clamping voltage (VC) of 18.2V, measured at a peak pulse current (IPPM) of 34A under the standardized 10/1000μs double-exponential waveform. This value represents the upper voltage limit imposed on the protected circuit during a transient event and is guaranteed across the full operating temperature range per the official Taiwan Semiconductor datasheet revision Q2209.
Is the P6SMB13A unidirectional or bidirectional, and how is polarity identified?
The P6SMB13A is a unidirectional TVS diode, intended for DC line protection where reverse voltage is blocked. Polarity is marked by a cathode band on the DO-214AA (SMB) package body; the banded end connects to the protected line (cathode), while the unbanded end connects to ground (anode). Bidirectional variants use a 'C' or 'CA' suffix (e.g., P6SMB13CA).
What is the maximum steady-state power dissipation for the P6SMB13A at room temperature?
The P6SMB13A has a steady-state power dissipation (Ptot) of 3W at ambient temperature (TA) = 25°C. This rating applies only to continuous DC or low-frequency conditions-not transient surges-and must be derated linearly above 25°C using the specified thermal resistance (RθJA = 55°C/W) to avoid exceeding the 150°C maximum junction temperature.
Does the P6SMB13A meet automotive surge immunity standards?
Yes, the P6SMB13A meets ISO 7637-2 requirements for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (capacitive coupling), making it suitable for 12V automotive subsystems such as infotainment power supplies and display modules-provided layout practices (e.g., short traces, local decoupling) are followed per the standard's installation guidelines.
What is the reverse leakage current specification for the P6SMB13A at its rated standoff voltage?
The P6SMB13A exhibits a maximum reverse leakage current (ID) of 1μA when biased at its rated standoff voltage (VWM) of 11.1V and ambient temperature of 25°C. This low leakage ensures minimal power loss and avoids false triggering in high-impedance sensing or battery-backed circuits where standby current is critical.
P6SMB13A 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):
- 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)
P6SMB13A FAQ
1.How can I place an order for P6SMB13A through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13A 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 P6SMB13A reliable?
The price and inventory of P6SMB13A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB13A is usually 5 days.
3.What payment methods are accepted for P6SMB13A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13A?
P6SMB13A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13A 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 P6SMB13A?
For technical support, including P6SMB13A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13A requirements.
6.How does Aetrix verify that P6SMB13A is sourced from the original manufacturer or authorized distributors?
All P6SMB13A 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 P6SMB13A meets industry standards.
7.What is the process for return or replacement of P6SMB13A?
All P6SMB13A units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13A, 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 P6SMB13A part is unused and in its original packaging.
Return procedure for P6SMB13A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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