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Taiwan Semiconductor Corporation P6SMB150CAH
- Part No.:
- P6SMB150CAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150CAH.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,679
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Product details
Overview
P6SMB150CAH from Taiwan Semiconductor is a bidirectional 600W surface-mount transient voltage suppressor (TVS) diode in DO-214AA (SMB) package, with a breakdown voltage range of 135–165 V, stand-off voltage of 128 V, clamping voltage of 207 V at 3.0 A peak pulse current, and AEC-Q101 qualification for automotive-grade surge protection in power supply rails and CAN/LIN bus interfaces.
For engineers reviewing the P6SMB150CAH datasheet, P6SMB150CAH pinout, P6SMB150CAH application, or P6SMB150CAH equivalent, key selection criteria include bidirectional clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, junction-to-ambient thermal resistance of 55°C/W, moisture sensitivity level 1 compliance, and RoHS/halogen-free construction for high-reliability automotive electronics design.
Technical Context
The P6SMB150CAH is a glass-passivated, bipolar TVS diode designed for unidirectional or bidirectional transient suppression in DC power lines and signal paths. Its electrical characteristics-VBR min/max (135–165 V), VWM (128 V), and VC (207 V @ IPPM = 3.0 A)-are specified per ANSI/IEEE C62.35 and validated at TA = 25°C with 1.0 mA test current.
It delivers fast response (<1.0 ps from 0 V to VBR min), low leakage (<1 µA @ VWM), and meets ISO 7637-2 immunity requirements for automotive electronics. The device operates across –55°C to +150°C junction temperature range and features JESD201 Class 2 whisker resistance and UL 94V-0 molding compound.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (Min/Max) | 135 V / 165 V - Ensures reliable triggering above system operating voltage while accommodating process variation |
| VWM | 128 V - Maximum continuous reverse working voltage before leakage exceeds 1 µA; sets safe DC rail margin |
| VC @ IPPM | 207 V @ 3.0 A - Clamped voltage during 10/1000 µs surge; defines worst-case overvoltage seen by protected IC |
| PPPM | 600 W - Peak pulse power rating for non-repetitive transients; determines survivability against ESD/EFT events |
| TJ Max | +150 °C - Maximum junction temperature; enables operation in under-hood automotive environments |
| RθJA | 55 °C/W - Thermal resistance from junction to ambient; informs PCB copper area and heatsinking needs |
| MSL | Level 1 per J-STD-020 - No floor life limitation; supports standard SMT reflow without dry pack handling |
Pinout & Package
Package: DO-214AA (SMB), surface-mount, cathode-banded case with matte tin-plated leads solderable per J-STD-002. Weight: 0.090 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Cathode Band Side) | Transient return path for bidirectional clamping | Connected to ground or low-impedance reference; forms symmetrical clamp with cathode |
| Cathode (Marked Band) | Transient sink node for both polarities | Connected to protected line (e.g., CAN_H or 12 V rail); conducts surge energy to anode during negative transients |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, body electronics, and infotainment systems |
| Glass passivated junction | Enhances long-term reliability and stability of VBR under thermal cycling and humidity stress |
| ISO 7637-2 compliance (Pulse 1/2a/2b/3a/3b) | Guarantees robustness against load dump, inductive switching, and battery disconnect transients in 12 V vehicle networks |
| Bidirectional configuration (CAH suffix) | Enables symmetric clamping on differential buses like CAN or LIN without polarity-sensitive placement |
| RoHS & halogen-free | Meets IEC 61249-2-21 and global environmental compliance mandates for Tier 1 automotive supply chains |
Applications
| Automotive Power Rail Protection | CAN Bus Transient Suppression |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator ripple transients. IC Role / Device Role: Bidirectional TVS placed between power rail and chassis ground to clamp ±200 V spikes. Use Value: Limits voltage to ≤207 V during 3.0 A 10/1000 µs surges, preventing damage to downstream PMICs and microcontrollers. | Use Scenario: Shielding high-speed CAN_H/CAN_L differential pair from ESD and EFT coupling. IC Role / Device Role: Dual-channel TVS (one per line) referenced to common ground, leveraging symmetric clamping. Use Value: Maintains signal integrity by clamping transients within ±207 V while adding <1 pF junction capacitance at 0 V bias. |
| Industrial Sensor Interface Protection | LED Driver Input Stage Protection |
Use Scenario: Safeguarding analog sensor inputs (e.g., pressure, temperature) connected to long harnesses in factory automation. IC Role / Device Role: Low-leakage (≤1 µA @ 128 V) TVS placed at connector entry point to shunt induced surges. Use Value: Prevents false readings or latch-up in precision ADC front-ends by limiting overvoltage to 207 V with sub-ns response. | Use Scenario: Securing constant-current LED driver ICs against input voltage spikes from AC/DC adapter transients. IC Role / Device Role: Standoff-rated TVS (128 V) placed across bulk capacitor input to absorb 600 W pulses without derating. Use Value: Extends driver lifetime by absorbing repetitive 10/1000 µs surges up to 600 W without degradation or thermal runaway. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150CA | Same DO-214AA package, identical VBR (135–165 V), but rated at 600 W with slightly higher VC (215 V @ 2.9 A) | Marginally lower peak pulse current (2.9 A vs. 3.0 A); same ISO 7637-2 compliance and AEC-Q101 qualification | Select SMBJ150CA if legacy design validation already covers 215 V clamping margin |
| 1.5SMC150CA | Higher power rating (1500 W), larger DO-214AB (SMC) package, same VBR/VWM specs, VC = 243 V @ 6.2 A | Requires PCB layout change due to larger footprint; suited for higher-energy transients where 600 W is insufficient | Choose 1.5SMC150CA only when system-level testing confirms need for >600 W surge handling |
Compared with SMBJ150CA and 1.5SMC150CA, the P6SMB150CAH offers optimal balance of compact SMB footprint, AEC-Q101 qualification, and precise 207 V clamping-making it ideal for space-constrained automotive modules where thermal resistance (55°C/W) and MSL Level 1 are critical.
Availability
P6SMB150CAH is available at Aetrix Electronics and suitable for automotive power rail protection, CAN bus interface hardening, and industrial sensor input conditioning requiring stable component supply across extended temperature and lifecycle demands.
Supply support for P6SMB150CAH 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 automotive, industrial, and consumer markets.
The P6SMB series targets cost-effective, high-reliability transient suppression in automotive electronics, with design emphasis on AEC-Q101 compliance, ISO 7637-2 immunity, and surface-mount manufacturability in DO-214AA packaging.
FAQ
What is the clamping voltage of the P6SMB150CAH under standard 10/1000 µs surge conditions?
The P6SMB150CAH has a maximum clamping voltage (VC) of 207 V when subjected to a 10/1000 µs waveform at its rated peak pulse current of 3.0 A. This value is measured per ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for protected circuits. The P6SMB150CAH maintains this clamping performance across its full operating temperature range (–55°C to +150°C).
Is the P6SMB150CAH suitable for bidirectional signal line protection such as CAN or LIN buses?
Yes, the P6SMB150CAH is explicitly designed for bidirectional use, as indicated by the "CAH" suffix. Its symmetrical breakdown characteristics (VBR min/max = 135–165 V in both directions) and ISO 7637-2 Pulse 1/2a/2b/3a/3b compliance make it appropriate for differential bus protection. The P6SMB150CAH provides matched clamping on both polarities without requiring orientation-specific placement on PCBs.
Does the P6SMB150CAH meet automotive qualification standards?
Yes, the P6SMB150CAH is AEC-Q101 qualified, confirming its suitability for automotive applications including engine control units, body control modules, and infotainment systems. It also complies with JESD201 Class 2 whisker resistance, moisture sensitivity level 1 (per J-STD-020), and RoHS/halogen-free requirements-key criteria for Tier 1 automotive supply chain acceptance.
What is the maximum steady-state power dissipation for the P6SMB150CAH at room temperature?
The P6SMB150CAH has a steady-state power dissipation (Ptot) rating of 3 W at TA = 25°C. This value reflects continuous DC power handling capability-not surge rating-and must be derated linearly above 25°C using the junction-to-ambient thermal resistance of 55°C/W. The P6SMB150CAH is not intended for sustained power dissipation; its primary function is transient suppression.
How does the P6SMB150CAH compare to unidirectional variants like P6SMB150H?
The P6SMB150CAH differs from the unidirectional P6SMB150H in having symmetrical breakdown and clamping behavior in both directions, enabling use on AC-coupled or differential lines without polarity concerns. While both share identical VBR (135–165 V), VWM (128 V), and PPPM (600 W), the P6SMB150CAH exhibits matched VC in forward and reverse bias-critical for CAN, LIN, or RS-485 protection where transients can swing either polarity. The P6SMB150CAH also uses a cathode band marking convention consistent with bidirectional operation.
P6SMB150CAH 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB150CAH FAQ
1.How can I place an order for P6SMB150CAH through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150CAH 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 P6SMB150CAH reliable?
The price and inventory of P6SMB150CAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150CAH is usually 5 days.
3.What payment methods are accepted for P6SMB150CAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150CAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150CAH?
P6SMB150CAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150CAH 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 P6SMB150CAH?
For technical support, including P6SMB150CAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150CAH requirements.
6.How does Aetrix verify that P6SMB150CAH is sourced from the original manufacturer or authorized distributors?
All P6SMB150CAH 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 P6SMB150CAH meets industry standards.
7.What is the process for return or replacement of P6SMB150CAH?
All P6SMB150CAH units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150CAH, 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 P6SMB150CAH part is unused and in its original packaging.
Return procedure for P6SMB150CAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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