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Vishay General Semiconductor - Diodes Division P6SMB150AHM3_A/H
- Part No.:
- P6SMB150AHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150AHM3_A/H.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
P6SMB150AHM3_A/H from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMB (DO-214AA) package, designed for clamping voltage transients on power and signal lines. It features a 150 V standoff voltage (VWM), 179 V minimum breakdown voltage (VBR), 207 V maximum clamping voltage (VC) at 2.9 A peak pulse current (IPPM), and 600 W peak pulse power (PPPM) with 10/1000 μs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies.
For engineers reviewing the P6SMB150AHM3_A/H datasheet, P6SMB150AHM3_A/H pinout, P6SMB150AHM3_A/H application, or P6SMB150AHM3_A/H equivalent, key selection criteria include clamping voltage margin vs. protected device VDS/VDD rating, thermal resistance (RθJA = 100 °C/W), AEC-Q101 qualification status, unidirectional polarity marking, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a unidirectional shunt protector: reverse-biased during normal operation with <1.0 μA leakage at 128 V, then avalanches rapidly (<1 ns response) when transient voltage exceeds VBR (143–158 V). Its glass-passivated junction ensures stable breakdown and low incremental surge resistance under repetitive 0.01% duty cycle pulses.
Thermally, it sustains 150 °C max junction temperature with 5.0 W steady-state power dissipation on infinite heatsink at 50 °C ambient. The SMB package meets UL 94 V-0 flammability rating and JESD201 Class 2 whisker resistance, with matte tin-plated leads solderable per J-STD-002 and JESD22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 128 V - maximum continuous reverse voltage before significant conduction begins; defines operating margin below clamping threshold |
| VBR (Breakdown Voltage) | 143–158 V at 1.0 mA test current - precise avalanche initiation range ensuring predictable turn-on during transients |
| VC (Clamping Voltage) | 207 V at 2.9 A IPPM - peak voltage seen by protected circuit during 10/1000 μs surge; critical for I/O voltage tolerance matching |
| PPPM (Peak Pulse Power) | 600 W - energy-handling capacity for standardized 10/1000 μs waveform; enables protection against IEC 61000-4-5 Level 3 surges |
| RθJA | 100 °C/W - junction-to-ambient thermal resistance; determines required PCB copper area (0.2" × 0.2" pads specified) for thermal management |
| TJ max | +150 °C - maximum allowable junction temperature; supports operation in under-hood automotive and industrial environments |
| AEC-Q101 Qualified | Yes - qualified per HM3 suffix; validated for automotive electronics reliability including temperature cycling and HTRB |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); molded compound meets UL 94 V-0.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse bias reference | Connected to system ground or lower-potential rail; establishes unidirectional conduction path |
| Cathode | Reverse voltage sensing / Clamping node | Connected to protected line (e.g., 12 V rail, CAN_H); avalanche conduction occurs here during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Handles high-energy transients per IEC 61000-4-5 without degradation; supports >1000 surges at rated waveform |
| Glass passivated junction | Ensures stable VBR over lifetime and temperature; eliminates parameter drift due to moisture or contamination |
| AEC-Q101 qualified (HM3) | Validated for automotive-grade reliability: HTOL, TC, UHAST, and bond wire integrity per stress test standards |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without preconditioning; no floor life limitation |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (<1 ns response), improving protection fidelity |
Applications
| Industrial Power Supply Protection | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: 24 V DC input stage of programmable logic controller (PLC) power supply exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Unidirectional shunt TVS placed between +24 V rail and ground to clamp transients before DC-DC converter input. Use Value: 207 V clamping voltage provides 20% margin above 24 V system's 160 V load dump spec (ISO 16750-2), preventing upstream regulator failure. |
Use Scenario: LIN bus transceiver power line in BCM subjected to battery voltage spikes during alternator regulation faults. IC Role / Device Role / Timing Role: Standoff-rated TVS on VCC pin of LIN transceiver IC to suppress >100 V spikes while maintaining 12 V nominal operation. Use Value: 128 V VWM allows full operation across cold-crank (6 V) to load dump (16 V) conditions; AEC-Q101 qualification ensures field reliability. |
| Telecom Remote Radio Unit (RRU) | Consumer Appliance Motor Drive |
Use Scenario: DC power feed to outdoor RRU unit via PoE++ or hybrid cable, vulnerable to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Primary-level TVS on 48 V input rail, coordinated with secondary-stage MOVs and gas discharge tubes. Use Value: 600 W PPPM handles partial energy of multi-kA surges; SMB footprint enables dense layout near connector entry point. |
Use Scenario: Brushless DC motor driver board in smart washing machine, where PWM switching induces dv/dt transients on low-side FET source nodes. IC Role / Device Role / Timing Role: Localized TVS across motor phase outputs to suppress shoot-through-induced voltage spikes. Use Value: 2.9 A IPPM rating matches typical gate driver output current limits; low RθJA enables thermal stability during repeated surge events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150A-E3/5B | Same VWM (128 V), VC = 207 V, but lower PPPM (400 W); SMA package (smaller, higher RθJA = 140 °C/W) | Limited to lower-energy transients; less suitable for IEC 61000-4-5 Level 4 or automotive load dump | Select when board space is constrained and surge energy is ≤400 W; verify thermal derating on small pads |
| 1.5SMC150AHE3_A | Same electrical specs (VWM/VC/IPPM), but SMC package (DO-214AB); 20% larger footprint, RθJA = 85 °C/W | Better thermal performance for high-duty-cycle environments; not drop-in compatible due to larger body and pad layout | Choose for improved thermal headroom in high-ambient industrial enclosures; requires PCB redesign |
Compared with P6SMB150AHM3_A/H, SMAJ150A-E3/5B trades power handling for compactness, while 1.5SMC150AHE3_A improves thermal capability at the cost of board area - making P6SMB150AHM3_A/H the balanced choice for AEC-Q101-compliant, medium-energy SMT TVS applications requiring proven manufacturability.
Availability
P6SMB150AHM3_A/H is available at Aetrix Electronics and suitable for industrial power supplies, automotive body control modules, telecom remote radio units, and consumer appliance motor drives requiring stable component supply with automotive-grade reliability and SMT scalability.
Supply support for P6SMB150AHM3_A/H 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, rectifiers, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom systems - engineered for robust clamping, AEC-Q101 compliance, and seamless integration into automated SMT assembly lines.
FAQ
What is the clamping voltage of P6SMB150AHM3_A/H at its rated peak pulse current?
The P6SMB150AHM3_A/H has a maximum clamping voltage (VC) of 207 V at 2.9 A peak pulse current (IPPM) under the standard 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 surge events. The P6SMB150AHM3_A/H maintains this clamping performance across its specified operating temperature range and after repeated surge exposures.
Is P6SMB150AHM3_A/H qualified for automotive applications?
Yes, P6SMB150AHM3_A/H is AEC-Q101 qualified, as confirmed by the "HM3" suffix in its ordering code and documentation in Vishay's P6SMB series datasheet (Rev. 09-Jan-2024). The HM3 variant undergoes stress testing including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing to meet automotive reliability requirements. P6SMB150AHM3_A/H is suitable for use in body control modules, infotainment power rails, and other non-safety-critical automotive subsystems.
What does the "_A/H" suffix in P6SMB150AHM3_A/H indicate?
The "_A/H" suffix in P6SMB150AHM3_A/H specifies packaging and revision: "A" denotes the revision level of the device specification, and "H" indicates 7-inch plastic tape-and-reel delivery (750 units per reel), per Vishay's ordering information table in document 88370. The base "HM3" confirms halogen-free, RoHS-compliant, and AEC-Q101-qualified construction. This suffix does not affect electrical parameters but ensures traceability and correct logistics handling for P6SMB150AHM3_A/H.
How does the thermal resistance of P6SMB150AHM3_A/H impact PCB layout?
P6SMB150AHM3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W, which requires adherence to Vishay's recommended 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad layout per terminal to achieve rated power dissipation. Deviating from this pad size increases thermal impedance, risking junction overheating during repetitive surges or elevated ambient temperatures. For P6SMB150AHM3_A/H, insufficient copper area may cause premature thermal runaway or reduced surge endurance.
Can P6SMB150AHM3_A/H be used in bidirectional configurations?
No, P6SMB150AHM3_A/H is a unidirectional TVS diode, as indicated by the "A" suffix (not "CA") and cathode band marking per the P6SMB series datasheet. Bidirectional variants use the "CA" suffix (e.g., P6SMB150CA) and lack polarity marking. Using P6SMB150AHM3_A/H in bidirectional signal lines would result in forward conduction during negative transients, causing malfunction or damage. For AC or differential lines, select a verified bidirectional part such as P6SMB150CAHM3_A/H instead of P6SMB150AHM3_A/H.
P6SMB150AHM3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- P6SMB, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
P6SMB150AHM3_A/H FAQ
1.How can I place an order for P6SMB150AHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150AHM3_A/H 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 P6SMB150AHM3_A/H reliable?
The price and inventory of P6SMB150AHM3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150AHM3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB150AHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150AHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150AHM3_A/H?
P6SMB150AHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150AHM3_A/H 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 P6SMB150AHM3_A/H?
For technical support, including P6SMB150AHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150AHM3_A/H requirements.
6.How does Aetrix verify that P6SMB150AHM3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB150AHM3_A/H 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 P6SMB150AHM3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB150AHM3_A/H?
All P6SMB150AHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150AHM3_A/H, 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 P6SMB150AHM3_A/H part is unused and in its original packaging.
Return procedure for P6SMB150AHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150AHM3_A/H Tags
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