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Vishay General Semiconductor - Diodes Division P6SMB150A-M3/52
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- Part No.:
- P6SMB150A-M3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150A-M3/52.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,792
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Product details
Overview
P6SMB150A-M3/52 from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients up to 207 V at 2.9 A peak pulse current (10/1000 μs), with 128 V standoff voltage and 600 W peak pulse power capability. It protects MOSFETs, ICs, and sensor signal lines in industrial power supplies and automotive control modules.
For engineers reviewing the P6SMB150A-M3/52 datasheet, P6SMB150A-M3/52 pinout, P6SMB150A-M3/52 application, or P6SMB150A-M3/52 equivalent, key selection criteria include clamping voltage (207 V), standoff voltage (128 V), unidirectional polarity, SMB package thermal resistance (100 °C/W), and halogen-free RoHS compliance per M3 suffix.
Technical Context
This TVS diode operates as a voltage-clamping protection device in series with sensitive downstream circuitry, activating when reverse voltage exceeds its breakdown threshold of 143–158 V (tested at 1 mA). Its glass-passivated junction ensures stable avalanche behavior under repetitive 10/1000 μs surge events at 0.01% duty cycle.
Mounted on 5.0 mm × 5.0 mm copper pads, it delivers 600 W peak pulse power dissipation with low incremental surge resistance and fast response time (<1 ns), while maintaining 100 A IFSM surge current rating and operating across -65 °C to +150 °C junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage (VWM) | 128 V - Maximum continuous reverse operating voltage before clamping begins |
| Breakdown Voltage (VBR) | 143–158 V at 1 mA - Confirmed avalanche initiation range for reliable transient detection |
| Clamping Voltage (VC) | 207 V at 2.9 A IPPM - Peak voltage seen by protected circuit during 10/1000 μs surge |
| Peak Pulse Power (PPPM) | 600 W - Sustained energy absorption capability under standardized lightning/surge waveform |
| Package | SMB (DO-214AA) - Surface-mount outline with 5.59 mm × 4.06 mm footprint and 2.20 mm height |
| Thermal Resistance (RθJA) | 100 °C/W - Junction-to-ambient thermal performance on minimum recommended PCB pad layout |
| Surge Current (IFSM) | 100 A - Single half-sine 8.3 ms forward surge rating for unidirectional operation |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional polarity with cathode band marking. Dimensions: 5.59 mm × 4.06 mm × 2.20 mm. Meets UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to system ground or low-side return path in unidirectional clamp configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., power rail or signal trace); band denotes this end |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against IEC 61000-4-5 Level 4 surges without derating on standard PCB layouts |
| Low clamping ratio (VC/VBR ≈ 1.34) | Minimizes overvoltage stress on downstream silicon during transient events |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets environmental compliance requirements for industrial and automotive production programs |
| MSL Level 1, 260 °C reflow compatible | Supports lead-free assembly without moisture sensitivity concerns or baking requirements |
| 150 °C maximum junction temperature | Allows operation in high-temperature environments such as engine control units and power converters |
Applications
| Industrial Motor Drives | Automotive Body Control Modules |
|---|---|
|
Use Scenario: Protection of gate drivers and microcontroller I/O lines against inductive kickback from relay and solenoid switching. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed directly at connector entry or IC input pin. Use Value: Limits transient voltage to 207 V, preventing latch-up or oxide damage in 3.3 V/5 V logic interfaces. |
Use Scenario: Safeguarding LIN bus transceivers and sensor supply rails from load dump and jump-start events. IC Role / Device Role / Timing Role: Standoff-rated transient suppressor on 12 V battery-fed subsystems with fast response to sub-ns spikes. Use Value: Withstands 100 A surge current and maintains 128 V standoff, ensuring uninterrupted communication during ISO 7637-2 pulses. |
| Telecom Power Supplies | Consumer Appliance Control Boards |
|
Use Scenario: Input-stage surge suppression on AC/DC front-end rectifiers exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary-level clamping element parallel to bulk capacitor, triggered before MOV activation. Use Value: 600 W rating and 207 V clamping enable coordination with upstream fuses and secondary-side regulators. |
Use Scenario: ESD and surge protection for touch panel controllers and display interface lines in washing machines and HVAC systems. IC Role / Device Role / Timing Role: Board-edge TVS on flexible cable connectors subject to human-body-model (HBM) and system-level transients. Use Value: Glass-passivated junction ensures long-term reliability under repeated 2.9 A surge events without parameter drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A-E3/52 | Same 150 V nominal breakdown, but SMA package (smaller footprint, higher RθJA = 140 °C/W) | Lower power handling margin in compact layouts; less thermal mass for repetitive surges | Select when board space is constrained and single-event surge dominance is confirmed |
| 1.5SMC150A | Same electrical specs but SMC (DO-214AB) package - larger body, lower RθJA = 75 °C/W, higher IFSM = 150 A | Better thermal performance and surge endurance; requires larger PCB area | Prefer for high-reliability industrial power supplies where layout space permits |
Compared with SMAJ150A-E3/52 and 1.5SMC150A, P6SMB150A-M3/52 offers balanced thermal performance (RθJA = 100 °C/W), halogen-free compliance, and SMB footprint compatibility with automated placement-making it optimal for cost-sensitive, medium-duty automotive and industrial designs requiring validated AEC-Q101 readiness via HM3 variants.
Availability
P6SMB150A-M3/52 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, telecom power supplies, and consumer appliance control boards requiring stable component supply and halogen-free compliance.
Supply support for P6SMB150A-M3/52 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
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The P6SMB Series targets high-energy transient suppression in space-constrained surface-mount applications, delivering 600 W pulse capability in the SMB footprint for automotive, industrial, and telecom infrastructure designs.
FAQ
What is the clamping voltage of P6SMB150A-M3/52 under a 10/1000 μs surge?
The P6SMB150A-M3/52 has a maximum clamping voltage (VC) of 207 V when subjected to its rated peak pulse current of 2.9 A with a 10/1000 μs waveform. This value is measured per Figure 1 in the Vishay datasheet 88370 and defines the upper voltage limit imposed on protected circuitry during transient events. The clamping occurs rapidly due to the device's avalanche junction structure, ensuring downstream ICs remain within safe operating limits.
Is P6SMB150A-M3/52 suitable for automotive applications?
Yes, P6SMB150A-M3/52 is halogen-free and RoHS-compliant, and the P6SMB150A-HM3 variant (same base part with HM3 suffix) is AEC-Q101 qualified for automotive use. While the M3 suffix itself denotes commercial-grade halogen-free construction, design-in for automotive systems should specify HM3-coded versions to ensure qualification for temperature cycling, humidity testing, and mechanical shock per AEC-Q101. P6SMB150A-M3/52 remains suitable for non-qualified automotive subsystems where full qualification is not mandated.
What does the "M3" suffix mean in P6SMB150A-M3/52?
The "M3" suffix in P6SMB150A-M3/52 indicates halogen-free, RoHS-compliant construction meeting JEDEC standards for material content and solderability. It replaces legacy lead-based plating with matte tin terminals and uses molding compounds free of brominated flame retardants. This designation aligns with environmental regulations for industrial and consumer electronics, and distinguishes it from E3 (RoHS-compliant but not halogen-free) and HM3 (AEC-Q101 qualified + halogen-free) variants of the same P6SMB150A-M3/52 base device.
How does P6SMB150A-M3/52 compare to bidirectional TVS diodes like P6SMB150CA?
P6SMB150A-M3/52 is unidirectional and features a cathode band marking, intended for DC line protection where polarity is fixed. In contrast, P6SMB150CA is bidirectional with symmetrical clamping in both directions and no polarity marking. The unidirectional P6SMB150A-M3/52 provides lower leakage current (1.0 μA at 128 V) versus bidirectional types (typically 5–10 μA), making it preferable for low-power standby circuits. Its forward surge rating (100 A) also applies only in the forward direction, unlike CA variants which lack IFSM specification.
What PCB pad layout is recommended for optimal thermal performance of P6SMB150A-M3/52?
Vishay specifies a minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad area per terminal for P6SMB150A-M3/52 to achieve the published thermal resistance of 100 °C/W and sustain 600 W peak pulse power. The pad layout must follow the DO-214AA outline in the datasheet, with thermal vias recommended beneath pads for enhanced heat dissipation in high-duty-cycle applications. Deviation from this layout increases junction temperature and reduces surge endurance, especially above TA = 25 °C.
P6SMB150A-M3/52 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Box (TB)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 2.9A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB150A-M3/52 FAQ
1.How can I place an order for P6SMB150A-M3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150A-M3/52 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 P6SMB150A-M3/52 reliable?
The price and inventory of P6SMB150A-M3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150A-M3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB150A-M3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150A-M3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150A-M3/52?
P6SMB150A-M3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150A-M3/52 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 P6SMB150A-M3/52?
For technical support, including P6SMB150A-M3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150A-M3/52 requirements.
6.How does Aetrix verify that P6SMB150A-M3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB150A-M3/52 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 P6SMB150A-M3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB150A-M3/52?
All P6SMB150A-M3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150A-M3/52, 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 P6SMB150A-M3/52 part is unused and in its original packaging.
Return procedure for P6SMB150A-M3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150A-M3/52 Tags
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