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Taiwan Semiconductor Corporation P6SMB150CA
- Part No.:
- P6SMB150CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150CA.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:6,328
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Product details
Overview
P6SMB150CA from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode with a standoff voltage of 121 V, breakdown voltage range 135–165 V, and clamping voltage of 215 V at 2.9 A peak pulse current. It protects DC power rails in switching mode power supplies and industrial adapters against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the P6SMB150CA datasheet, P6SMB150CA pinout, P6SMB150CA application, or P6SMB150CA equivalent, key selection criteria include unidirectional vs. bidirectional configuration (CA = bidirectional), DO-214AA package thermal performance (RθJA = 55°C/W), clamping ratio (VC/VBR ≈ 1.58), and compliance with automotive surge immunity standards.
Technical Context
The P6SMB150CA uses a glass-passivated silicon junction to achieve fast response (<1.0 ps rise time from 0 V to VBR min) and low leakage (<1 µA at 121 V). Its bidirectional architecture enables symmetrical clamping in AC-coupled or floating bus applications without polarity sensitivity.
Designed for 10/1000 µs waveform surge immunity, it delivers 600 W non-repetitive peak pulse power with a maximum clamping voltage of 215 V at 2.9 A, and operates across –55°C to +150°C junction temperature with JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 121 V - Maximum continuous reverse operating voltage before significant leakage begins |
| VBR (min/max) | 135 V / 165 V - Breakdown occurs within this range at 1 mA test current; defines turn-on threshold tolerance |
| VC @ IPPM | 215 V at 2.9 A - Clamped voltage during 10/1000 µs surge; determines protected circuit's maximum overvoltage stress |
| PPPSM | 600 W - Peak pulse power handling capability under standardized transient conditions |
| IR @ VWM | <1 µA - Reverse leakage ensures minimal standby power loss and signal integrity in high-impedance circuits |
| TJ max | +150°C - Enables reliable operation in enclosed power converters and under-hood automotive environments |
| Package | DO-214AA (SMB) - Surface-mount footprint compatible with automated assembly; 0.090 g mass aids thermal management |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, UL 94V-0 flammability rating, cathode band marking for unidirectional variants; P6SMB150CA is bidirectional - no polarity marking required.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional transient conduction path | Both terminals function identically; clamps positive or negative surges equally without orientation dependency |
| Case | Thermal and mechanical interface | Exposed copper pad area provides primary heat dissipation path to PCB; RθJC = 10°C/W |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Ensures stable VBR over lifetime and resistance to humidity-induced degradation in industrial environments |
| ISO 7637-2 compliance | Validated for automotive load-dump and supply-line transient immunity (Pulse 1/2a/2b/3a/3b) without external filtering |
| Fast response time <1.0 ps | Clamps ESD and fast-rising transients before downstream ICs experience overstress |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally constrained electronics manufacturing |
| J-STD-020 Level 1 MSL | Zero bake requirement prior to reflow; supports standard SMT assembly without moisture sensitivity concerns |
Applications
| Switching Mode Power Supply (SMPS) | Industrial Adapter |
|---|---|
Use Scenario: Input rectifier stage of 24–48 V DC-DC converters exposed to line transients and inductive kickback. IC Role / Device Role / Timing Role: Primary overvoltage clamp protecting bridge rectifier and bulk capacitor from 10/1000 µs surges. Use Value: Limits transient voltage to ≤215 V, preventing capacitor derating and MOSFET avalanche failure while maintaining <1 µA leakage at 121 V nominal input. | Use Scenario: Secondary-side output rail of universal-input AC-DC adapters powering industrial sensors and PLC I/O modules. IC Role / Device Role / Timing Role: Bidirectional suppression of reverse-polarity connection events and load-switching transients on 24 V DC outputs. Use Value: Symmetrical clamping eliminates need for polarity-aware layout; 2.9 A IPPM handles repeated 500 V/0.5 J surges per IEC 61000-4-5. |
| Television Power Board | Monitor Backlight Inverter |
Use Scenario: Standby power input section of smart TV mainboards subjected to lightning-induced surges via AC mains. IC Role / Device Role / Timing Role: First-line protection upstream of AC-DC controller ICs and startup resistors. Use Value: 600 W PPPSM rating sustains multiple 1 kV/1.2/50 µs surges without degradation; DO-214AA footprint fits tight board spacing near EMI filter. | Use Scenario: High-voltage DC bus (≈300 V) feeding CCFL or LED backlight inverters in commercial monitors. IC Role / Device Role / Timing Role: Transient clamp on inverter input to prevent gate driver latch-up during transformer flyback spikes. Use Value: 215 V clamping voltage ensures gate drivers remain below absolute maximum ratings even during 10/1000 µs 600 V transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150CA (Bourns) | Same DO-214AA package, identical VWM/VBR/VC specs, but higher typical IR (5 µA @ VWM) | Marginally higher leakage may affect ultra-low-power standby circuits | Select when Bourns sourcing preference exists; verify leakage impact in battery-backed systems |
| 1.5SMC150CA (ON Semiconductor) | Same electrical specs, but DO-214AB (SMC) package - 2.5× larger footprint and 0.33 g mass | Requires PCB layout change; better thermal dissipation (RθJA = 35°C/W) for high-duty-cycle surges | Choose for thermally demanding environments where SMB footprint is insufficient |
Compared with SMBJ150CA and 1.5SMC150CA, the P6SMB150CA offers optimal balance of compact DO-214AA size, sub-1 µA leakage, and full ISO 7637-2 compliance - making it preferred for space-constrained, low-leakage, automotive-grade adapter designs.
Availability
P6SMB150CA is available at Aetrix Electronics and suitable for switching mode power supplies, industrial adapters, and television power boards requiring stable component supply and automotive-grade transient immunity.
Supply support for P6SMB150CA 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 TVS diodes, rectifiers, and power MOSFETs since 1979.
The P6SMB series belongs to TSC's high-reliability surface-mount TVS platform designed specifically for industrial and automotive power rail protection, emphasizing low leakage, fast response, and robust surge endurance in DO-214AA packaging.
FAQ
What is the polarity configuration of P6SMB150CA?
The P6SMB150CA is a bidirectional TVS diode, indicated by the "CA" suffix. Unlike unidirectional variants (e.g., P6SMB150A), it clamps transients of either polarity symmetrically across its terminals, eliminating the need for orientation-specific placement on PCBs. This makes P6SMB150CA ideal for AC-coupled lines, floating grounds, or applications where voltage polarity reversal is possible.
Does P6SMB150CA meet automotive surge immunity standards?
Yes, P6SMB150CA meets ISO 7637-2 requirements for Pulse 1 (inductive load disconnect), Pulse 2a (sudden load dump), Pulse 2b (supply interruption), and Pulses 3a/3b (switching noise), as explicitly stated in the official Taiwan Semiconductor datasheet. Its 600 W peak pulse power rating and 215 V clamping voltage at 2.9 A ensure robust protection in 12 V and 24 V automotive subsystems without additional filtering components.
What is the maximum clamping voltage of P6SMB150CA and how is it measured?
The maximum clamping voltage (VC) of P6SMB150CA is 215 V, measured at a peak pulse current (IPPM) of 2.9 A under the standardized 10/1000 µs double-exponential surge waveform. This value represents the highest voltage the device allows to appear across protected circuitry during worst-case transient events, directly determining the overvoltage margin for downstream components like capacitors and controllers in the P6SMB150CA-protected system.
Can P6SMB150CA be used in place of unidirectional P6SMB150A?
No - P6SMB150CA and P6SMB150A are not interchangeable without circuit review. While both share identical VWM, VBR, and VC values, P6SMB150A is unidirectional (anode/cathode asymmetric) and conducts only in reverse bias, whereas P6SMB150CA is bidirectional and clamps in both directions. Substituting one for the other may cause unintended conduction or failed protection in polarity-sensitive designs.
What is the thermal resistance profile of P6SMB150CA and why does it matter?
P6SMB150CA has a junction-to-ambient thermal resistance (RθJA) of 55°C/W and junction-to-case (RθJC) of 10°C/W in the DO-214AA package. These values determine how effectively heat from surge energy dissipation transfers to the PCB and ambient air. Lower RθJC enables efficient conduction into copper planes, while RθJA guides heatsinking decisions - critical for reliability in high-frequency surge environments where repeated 600 W pulses could otherwise elevate TJ beyond the 150°C limit.
P6SMB150CA 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):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 3A
- 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)
P6SMB150CA FAQ
1.How can I place an order for P6SMB150CA through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150CA 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 P6SMB150CA reliable?
The price and inventory of P6SMB150CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150CA is usually 5 days.
3.What payment methods are accepted for P6SMB150CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150CA?
P6SMB150CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150CA 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 P6SMB150CA?
For technical support, including P6SMB150CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150CA requirements.
6.How does Aetrix verify that P6SMB150CA is sourced from the original manufacturer or authorized distributors?
All P6SMB150CA 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 P6SMB150CA meets industry standards.
7.What is the process for return or replacement of P6SMB150CA?
All P6SMB150CA units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150CA, 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 P6SMB150CA part is unused and in its original packaging.
Return procedure for P6SMB150CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150CA Tags
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