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Taiwan Semiconductor Corporation P6SMB150H
- Part No.:
- P6SMB150H
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150H.pdf
- Description:
- 600W, 150V, 10%, UNIDIRECTIONAL,
- Quantity:
- Payment:
- Shipping:
Inventory:5,920
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Product details
Overview
P6SMB150H from Taiwan Semiconductor is a unidirectional 600W surface-mount Transient Voltage Suppressor (TVS) diode designed for automotive-grade overvoltage protection in power rails and signal lines. It features a breakdown voltage range of 135–165 V, clamps transients to ≤215 V at 2.9 A peak pulse current, and operates within –55°C to +150°C junction temperature. It is used in automotive lighting control modules to suppress load-dump and ISO 7637-2 Pulse 2b transients.
For engineers reviewing the P6SMB150H datasheet, P6SMB150H pinout, P6SMB150H application, or P6SMB150H equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, DO-214AA package dimensions, clamping performance under 10/1000 μs waveform, and direct alternatives with documented VBR, VC, and thermal resistance differences.
Technical Context
The P6SMB150H employs a glass-passivated silicon junction optimized for fast transient response (<1.0 ps rise time from 0 V to VBR(min)) and low leakage (<1 μA @ 121 V). Its unidirectional configuration enables asymmetric clamping-forward conduction only during reverse overvoltage events-making it suitable for DC-biased bus protection where polarity is fixed.
Thermally, it delivers RθJC = 10°C/W and RθJA = 55°C/W, enabling reliable operation at full 600 W peak pulse power when mounted on 1-in² 2-oz copper with thermal vias. It meets ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b immunity requirements without external filtering.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 135 V / 165 V - Ensures consistent triggering across production lots and temperature; guarantees clamping activation before downstream IC damage thresholds. |
| VWM | 121 V - Maximum continuous reverse operating voltage; sets safe DC bias margin below breakdown for 12 V/24 V automotive systems. |
| VC @ IPPM | 215 V - Clamped voltage at 2.9 A peak pulse (10/1000 μs); defines worst-case overvoltage seen by protected circuitry. |
| PPPSM | 600 W - Peak pulse power rating per single 10/1000 μs surge; determines survivability against ISO 7637-2 load dump and inductive switch-off events. |
| IPPM | 2.9 A - Peak pulse current corresponding to VC; used with PCB trace impedance to estimate actual clamping level under system-level surge conditions. |
| TJ(max) | +150°C - Maximum junction temperature; supports under-hood placement in engine control units and body electronics without derating. |
| Package | DO-214AA (SMB) - Standardized surface-mount outline with 0.090 g mass; compatible with automated pick-and-place and reflow profiles per J-STD-020 Level 1. |
Pinout & Package
DO-214AA (SMB) package: molded plastic case with matte tin-plated leads, cathode band marking polarity, UL 94V-0 rated compound, and JESD201 Class 2 whisker resistance. Dimensions: 4.57 × 3.94 × 2.29 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-impedance return path; establishes reference for reverse-biased clamping operation. |
| Cathode | Protected line input | Connected to supply rail or signal line; conducts transient energy to ground when VAK exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including temperature cycling, mechanical shock, and humidity testing per stress test plan. |
| Glass passivated junction | Enables stable VBR tolerance and low leakage (<1 μA @ 121 V), critical for long-term reliability in harsh environments. |
| ISO 7637-2 compliance | Withstands Pulse 1 (inductive flyback), Pulse 2b (load dump), and Pulse 3a/b (switching transients) without degradation. |
| Fast response time | <1.0 ps rise time ensures clamping initiates before sensitive logic or analog circuitry experiences overvoltage stress. |
| Moisture sensitivity level 1 | No floor life limitation or baking required prior to reflow; simplifies SMT manufacturing and inventory handling. |
Applications
| Automotive Lighting Control | Body Control Module (BCM) Power Input |
|---|---|
Use Scenario: Protecting LED driver ICs and microcontrollers from load-dump surges during battery disconnect/reconnect events in headlamp assemblies. IC Role / Device Role / Timing Role: Unidirectional TVS placed between 12 V supply rail and chassis ground to clamp transients above 135 V. Use Value: Limits voltage to ≤215 V during 600 W pulses, preventing latch-up or gate oxide rupture in 3.3 V/5 V logic powered from local LDOs. |
Use Scenario: Safeguarding CAN transceivers and power management ICs in BCMs exposed to ISO 7637-2 Pulse 2b (load dump) and Pulse 3b (EFT). IC Role / Device Role / Timing Role: Primary overvoltage clamp on main 12 V input, upstream of DC-DC converters and linear regulators. Use Value: Maintains VWM = 121 V margin above nominal 12 V system, ensuring no false triggering while surviving 100 V/100 ms load-dump events. |
| Industrial Motor Drive Gate Driver Supply | Telecom Power Interface Protection |
Use Scenario: Protecting isolated gate driver bias supplies from inductive kickback generated by IGBT/MOSFET switching in HVAC compressors. IC Role / Device Role / Timing Role: Clamp device on auxiliary 15 V or 24 V isolated rail feeding high-side gate drivers. Use Value: Delivers 215 V clamping at 2.9 A, limiting stress on 25 V-rated gate driver ICs and enabling robust operation without oversized capacitors. |
Use Scenario: Front-end protection for PoE-powered equipment receiving 48 V DC input subject to lightning-induced surges on Ethernet cables. IC Role / Device Role / Timing Role: First-stage TVS on primary DC input before DC-DC conversion and data isolation. Use Value: Withstands 600 W surges per IEC 61000-4-5 Combination Wave (1.2/50 μs + 8/20 μs), reducing need for secondary MOV-based stages. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A | VBR = 167–185 V; VC = 243 V @ 2.5 A; PPPM = 400 W; DO-214AC (SMA) package | Lower peak power rating and higher clamping voltage reduce margin for ISO 7637-2 Pulse 2b compliance. | Select SMAJ150A only if board space allows larger footprint and system-level testing confirms 243 V clamping is acceptable. |
| 1.5SMC150A | VBR = 167–185 V; VC = 243 V @ 2.5 A; PPPM = 1500 W; DO-214AB (SMC) package | Higher power rating and same clamping voltage enable longer surge duration handling but require larger PCB area. | Choose 1.5SMC150A when protecting high-energy circuits like alternator outputs where >600 W capability is mandatory. |
Compared with SMAJ150A and 1.5SMC150A, P6SMB150H offers optimal balance of 600 W surge capacity, 215 V clamping, and compact DO-214AA footprint-making it preferred for space-constrained automotive modules requiring AEC-Q101 validation and ISO 7637-2 immunity.
Availability
P6SMB150H is available at Aetrix Electronics and suitable for automotive lighting control, body control module (BCM) power inputs, and industrial motor drive gate driver supplies requiring stable component supply, AEC-Q101 qualification, and ISO 7637-2 compliance.
Supply support for P6SMB150H 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 was developed specifically for AEC-Q101-compliant transient suppression in automotive power distribution networks, emphasizing low leakage, tight VBR tolerance, and robust thermal performance in SMB packages.
FAQ
What is the maximum clamping voltage of P6SMB150H under standard test conditions?
The P6SMB150H has a maximum clamping voltage (VC) of 215 V when subjected to its rated peak pulse current of 2.9 A using the 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in the manufacturer's electrical specifications table for the P6SMB150H device. It represents the upper limit of voltage imposed on protected circuitry during a transient event.
Is P6SMB150H suitable for bidirectional transient protection?
No, P6SMB150H is a unidirectional TVS diode and is not rated for bidirectional operation. For symmetrical clamping in AC-coupled or floating signal lines, the bipolar variant P6SMB150AH (with CH or CAH suffix) must be used instead. The P6SMB150H conducts only in reverse bias and blocks forward current beyond its specified VF (~5.0 V at 50 A), making it unsuitable for applications requiring protection in both polarities.
Does P6SMB150H meet automotive qualification standards?
Yes, P6SMB150H is AEC-Q101 qualified and explicitly listed as compliant in the manufacturer's documentation. It undergoes stress testing including temperature cycling, high-temperature reverse bias, and mechanical shock per the AEC-Q101 standard, confirming suitability for under-hood and chassis-mounted automotive electronics.
What is the standoff voltage (VWM) rating for P6SMB150H?
The standoff voltage (VWM) for P6SMB150H is 121 V. This is the maximum continuous reverse voltage that can be applied without causing significant leakage current (>1 μA). It provides a 14 V margin below the minimum breakdown voltage (135 V), ensuring stable operation in 12 V automotive systems even during cold-crank or ripple conditions.
How does the thermal performance of P6SMB150H affect PCB layout?
P6SMB150H has RθJA = 55°C/W and RθJC = 10°C/W. To maintain TJ ≤ 150°C during 600 W pulses, the PCB must provide adequate copper area (≥1 in² 2-oz copper) and thermal vias beneath the cathode pad. Poor thermal design risks localized overheating and premature failure-even with correct VC and IPPM ratings, the P6SMB150H requires proper heat dissipation to sustain repeated surge events.
P6SMB150H 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):
- 121V
- Voltage - Breakdown (Min):
- 135V
- Voltage - Clamping (Max) @ Ipp:
- 215V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- 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)
P6SMB150H FAQ
1.How can I place an order for P6SMB150H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150H 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 P6SMB150H reliable?
The price and inventory of P6SMB150H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150H is usually 5 days.
3.What payment methods are accepted for P6SMB150H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150H?
P6SMB150H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150H 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 P6SMB150H?
For technical support, including P6SMB150H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150H requirements.
6.How does Aetrix verify that P6SMB150H is sourced from the original manufacturer or authorized distributors?
All P6SMB150H 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 P6SMB150H meets industry standards.
7.What is the process for return or replacement of P6SMB150H?
All P6SMB150H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150H, 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 P6SMB150H part is unused and in its original packaging.
Return procedure for P6SMB150H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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