Taiwan Semiconductor Corporation P6SMB10CA
- Part No.:
- P6SMB10CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB10CA.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO214AA
- Quantity:
- Payment:

- Shipping:

Inventory:3,236
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Product details
Overview
P6SMB10CA from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a standoff voltage of 8.10 V, breakdown voltage range of 9.00–11.00 V at 1.0 mA test current, and clamping voltage of 15.0 V at 42 A peak pulse current. It protects DC power rails in switching mode power supplies and consumer displays against ESD and surge events per ISO 7637-2.
For engineers reviewing the P6SMB10CA datasheet, P6SMB10CA pinout, P6SMB10CA application, or P6SMB10CA equivalent, key selection criteria include bidirectional clamping capability, DO-214AA (SMB) package compatibility with automated SMT assembly, low leakage (<10 µA @ 8.10 V), and compliance with automotive transient immunity standards.
Technical Context
The P6SMB10CA is a glass-passivated, single-die, bidirectional TVS diode optimized for fast transient suppression in low-voltage DC systems. Its junction-to-ambient thermal resistance is 55 °C/W, enabling reliable operation up to 150 °C junction temperature under pulsed conditions.
It delivers 600 W non-repetitive peak pulse power (10/1000 µs waveform) with sub-1 ps response time from 0 V to breakdown, and meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b requirements for automotive electronics robustness.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.10 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR min/max | 9.00–11.00 V @ IT = 1.0 mA - Confirmed breakdown threshold for bidirectional clamping activation |
| VC @ IPPM | 15.0 V @ 42 A - Clamped voltage during 10/1000 µs surge, limiting downstream IC stress |
| PPPSM | 600 W - Peak surge power handling capacity per single transient event |
| ID @ VWM | <10 µA - Low leakage preserves efficiency in always-on 5–12 V supply monitoring circuits |
| TJ max | +150 °C - Enables use in thermally constrained PCB layouts near power converters |
| RθJA | 55 °C/W - Thermal performance supports sustained operation without forced cooling |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, bidirectional configuration with cathode band marking indicating polarity reference point for layout orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Transient return path (bidirectional) | Connects to protected line; conducts during negative transients relative to cathode |
| Cathode (banded end) | Transient return path (bidirectional) | Reference terminal for clamping; defines polarity marking on PCB silkscreen |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Protects both polarities of DC lines without external series components or polarity awareness |
| Glass-passivated junction | Ensures long-term reliability and stable VBR under humidity and thermal cycling per J-STD-020 Level 1 |
| ISO 7637-2 compliance | Validated immunity to automotive load dump and inductive switching transients (Pulse 1/2a/2b/3a/3b) |
| Low-profile SMB package | Enables high-density placement in space-constrained adapters and monitor power boards |
| Halogen-free & RoHS | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally compliant manufacturing |
Applications
| Switching Mode Power Supply (SMPS) | AC-DC Adapters |
|---|---|
Use Scenario: Input rectifier output rail protection in 12 V/24 V offline SMPS designs. IC Role / Device Role / Timing Role: Bidirectional TVS device clamping voltage spikes induced by transformer leakage inductance and MOSFET switching. Use Value: Limits transient overshoot to ≤15.0 V, preventing overvoltage damage to primary-side controllers and optocouplers. | Use Scenario: Secondary-side DC output line protection in universal-input wall adapters. IC Role / Device Role / Timing Role: Transient suppressor placed across +VOUT/GND to absorb ESD and plug-in surges. Use Value: Withstands 600 W pulses while maintaining <10 µA leakage, preserving no-load efficiency and standby compliance. |
| Flat Panel TV Power Board | Computer Monitor DC-DC Stage |
Use Scenario: Protection of 5 V/12 V logic and backlight driver rails in LED-backlit TV mainboards. IC Role / Device Role / Timing Role: Fast-response TVS absorbing coupling noise from adjacent inverters and EMI filters. Use Value: Sub-1 ps response ensures clamping before sensitive TCON or MCU I/O pins experience overstress. | Use Scenario: Surge suppression on 3.3 V/5 V auxiliary rails feeding display interface ICs (eDP, LVDS). IC Role / Device Role / Timing Role: Standoff voltage (8.10 V) allows safe operation across nominal 5 V rails while clamping >12 V transients. Use Value: 15.0 V clamping voltage provides ≥2.5 V margin below typical 17 V absolute maximum ratings of display timing controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10CA (Bourns) | Same DO-214AA package, identical VWM (8.1 V), but higher VC = 17.0 V @ 35.3 A | Lower peak pulse current rating (35.3 A vs. 42 A) reduces margin in high-energy surge environments | Select when footprint compatibility is critical and system-level testing confirms 17.0 V clamping is acceptable |
| 1.5KE10CA (ON Semiconductor) | Through-hole DO-15 package, same VBR/VWM specs, but lower PPPSM = 1500 W (1.5 kW) and larger board footprint | Not suitable for automated SMT production; requires wave solder or hand assembly | Choose only for legacy through-hole designs where rework to SMT is not feasible |
Compared with SMBJ10CA and 1.5KE10CA, the P6SMB10CA offers optimal balance of SMT manufacturability, 42 A surge current headroom, and 15.0 V clamping-making it preferred for new compact power supply and display designs requiring ISO 7637-2 compliance.
Availability
P6SMB10CA is available at Aetrix Electronics and suitable for switching mode power supplies, AC-DC adapters, and flat-panel display power boards requiring stable component supply and automotive-grade surge immunity.
Supply support for P6SMB10CA 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 Company (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, and power management devices.
The P6SMB10CA belongs to TSC's P6SMBx(A) family of 600 W surface-mount TVS diodes, engineered specifically for cost-sensitive, high-volume consumer and industrial power protection applications demanding ISO 7637-2 compliance and automated assembly readiness.
FAQ
What is the clamping voltage of the P6SMB10CA and how is it measured?
The P6SMB10CA has a maximum clamping voltage (VC) of 15.0 V at a peak pulse current (IPPM) of 42 A, tested using the standard 10/1000 µs double-exponential surge waveform. This value represents the upper limit of voltage seen by downstream circuitry during a worst-case transient event, and is confirmed per ANSI/IEEE C62.35. The P6SMB10CA maintains this clamping performance across its full operating temperature range.
Is the P6SMB10CA unidirectional or bidirectional, and how does that affect circuit design?
The P6SMB10CA is a bidirectional TVS diode, indicated by the "CA" suffix, meaning it provides symmetrical clamping for both positive and negative transients across its terminals. Unlike unidirectional variants, it requires no polarity-aware placement-simplifying layout and eliminating risk of reverse installation. This makes the P6SMB10CA ideal for protecting floating or AC-coupled signal lines and dual-rail DC systems where polarity reversal is possible.
What is the standoff voltage (VWM) of the P6SMB10CA and why is it important for 12 V systems?
The P6SMB10CA has a maximum working peak reverse voltage (VWM) of 8.10 V, which ensures minimal leakage current (<10 µA) during normal operation. While this is below 12 V nominal rails, it is intended for use on lower-voltage subrails (e.g., 5 V logic, 3.3 V I/O) or with upstream current-limiting impedance. For direct 12 V line protection, higher-voltage variants like P6SMB12CA (VWM = 9.72 V) are recommended-never exceed VWM in steady-state operation to avoid thermal runaway.
Does the P6SMB10CA meet automotive transient immunity standards?
Yes, the P6SMB10CA meets ISO 7637-2 requirements for Pulse 1 (inductive load disconnect), Pulse 2a (sudden load removal), Pulse 2b (supply interruption), Pulse 3a (capacitive coupled noise), and Pulse 3b (ground bounce). Its 600 W peak pulse power rating, fast <1 ps response, and verified clamping behavior under standardized waveforms make it suitable for front-end protection in automotive infotainment power modules and body control unit auxiliary supplies.
What is the thermal resistance and maximum junction temperature of the P6SMB10CA?
The P6SMB10CA has a junction-to-ambient thermal resistance (RθJA) of 55 °C/W and a maximum junction temperature (TJ) rating of +150 °C. These values are measured under standard JEDEC conditions on FR-4 PCB with minimum copper pour. In practice, the P6SMB10CA can sustain repeated transient events without thermal failure when mounted on ≥1 cm² of 1 oz copper, supporting reliable operation in enclosed power adapter enclosures and TV backlights.
P6SMB10CA 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):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 43A
- 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)
P6SMB10CA FAQ
1.How can I place an order for P6SMB10CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB10CA 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 P6SMB10CA reliable?
The price and inventory of P6SMB10CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB10CA is usually 5 days.
3.What payment methods are accepted for P6SMB10CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB10CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB10CA?
P6SMB10CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB10CA 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 P6SMB10CA?
For technical support, including P6SMB10CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB10CA requirements.
6.How does Aetrix verify that P6SMB10CA is sourced from the original manufacturer or authorized distributors?
All P6SMB10CA 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 P6SMB10CA meets industry standards.
7.What is the process for return or replacement of P6SMB10CA?
All P6SMB10CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB10CA, 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 P6SMB10CA part is unused and in its original packaging.
Return procedure for P6SMB10CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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