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Vishay General Semiconductor - Diodes Division P6SMB150CA-E3/5B
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- Part No.:
- P6SMB150CA-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB150CA-E3/5B.pdf
- Description:
- TVS DIODE 128VWM 207VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,103
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Product details
Overview
P6SMB150CA-E3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, rated for 150 V standoff voltage (VWM), 207 V clamping voltage (VC) at 2.9 A peak pulse current (IPPM), and 600 W peak pulse power (10/1000 μs waveform). It protects signal lines and power rails in sensor interfaces, industrial I/O modules, and telecom front-ends against ESD and inductive switching transients.
For engineers reviewing the P6SMB150CA-E3/5B datasheet, P6SMB150CA-E3/5B pinout, P6SMB150CA-E3/5B application, or P6SMB150CA-E3/5B equivalent, this page delivers verified electrical parameters, bidirectional clamping behavior, SMB package thermal data, and AEC-Q101-qualified alternatives for automotive-grade surge protection design.
Technical Context
The P6SMB150CA-E3/5B operates as a symmetrical bidirectional TVS, with identical breakdown (VBR = 143–158 V) and clamping characteristics in both polarities. Its glass-passivated junction enables fast response (<1 ns) and low incremental surge resistance, critical for suppressing sub-microsecond transients on high-speed analog or digital lines.
Designed for surface-mount assembly on standard PCB copper pads (0.2" × 0.2"), it delivers 600 W peak pulse power under JEDEC-standard 10/1000 μs waveform at 0.01% duty cycle, with thermal resistance RθJA = 100 °C/W and maximum junction temperature of +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 128 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below system rail. |
| VBR (Breakdown) | 143–158 V at 1 mA - Confirmed breakdown threshold range; ensures reliable turn-on during overvoltage events. |
| VC (Clamping) | 207 V at 2.9 A - Peak voltage seen by protected circuit during 10/1000 μs transient; limits stress on downstream ICs. |
| PPPM | 600 W - Sustains 10/1000 μs surge without failure; supports robust protection in industrial motor drives and power supplies. |
| IPPM | 2.9 A - Peak pulse current capability; determines minimum trace width and pad size required for PCB layout. |
| TJ max. | +150 °C - Enables operation in under-hood automotive or high-ambient industrial environments. |
| RθJA | 100 °C/W - Thermal resistance to ambient; informs derating curves when mounted on non-infinite heatsink PCBs. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); matte tin-plated leads, J-STD-002 solderable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Provides symmetrical conduction path for positive and negative surges; connects to protected line or ground reference. |
| Cathode | Transient return path (bidirectional) | Electrically identical to Anode in CA devices; forms dual-junction structure enabling equal clamping in both directions. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR and VC in both polarities - eliminates need for polarity-aware placement in AC-coupled or differential signal paths. |
| 600 W peak pulse power | Withstands high-energy transients per IEC 61000-4-5 Level 4 (4 kV surge) when properly laid out - reduces need for cascaded protection stages. |
| MSL Level 1 rating | Reflow-compatible up to 260 °C peak - supports single-pass lead-free assembly without moisture sensitivity concerns. |
| Glass passivated junction | Enables <1 ns response time and stable leakage (<1 μA at VWM) - preserves signal integrity on high-impedance sensor inputs. |
| AEC-Q101 qualified option | Available as P6SMB150CAHE3_B - validated for automotive powertrain and body electronics requiring zero defect reliability. |
Applications
| Industrial Sensor Interface | Telecom Line Card Protection |
|---|---|
|
Use Scenario: Protecting 4–20 mA current loop inputs and RS-485 transceivers from lightning-induced surges and cable discharge events. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed across differential bus lines or between signal and chassis ground. Use Value: Limits transient voltage to ≤207 V, preventing latch-up or damage to isolated interface ICs such as ADM2483 or ISO1500. |
Use Scenario: Safeguarding Ethernet PHYs and PoE injectors against induced surges on twisted-pair cabling in outdoor base stations. IC Role / Device Role / Timing Role: Primary-level TVS on RJ-45 magnetics secondary side, coordinated with gas discharge tubes (GDTs) upstream. Use Value: Clamps 10/1000 μs surges within 1 ns, preserving signal edge integrity while absorbing up to 600 W of transient energy. |
| Automotive Body Control Module | Consumer Appliance Motor Drive |
|
Use Scenario: Suppressing inductive kickback from solenoid valves and window lift motors in BCMs operating at 12 V nominal. IC Role / Device Role / Timing Role: Bidirectional clamp across relay coil or motor winding terminals, referenced to battery ground. Use Value: Withstands repetitive 100 A IFSM-equivalent transients and meets AEC-Q101 requirements when specified as HE3 variant. |
Use Scenario: Shielding microcontroller GPIOs and gate drivers from commutation noise in BLDC fan or washing machine motor inverters. IC Role / Device Role / Timing Role: Localized TVS on low-voltage control signals adjacent to high-dV/dt power stage traces. Use Value: Low capacitance (<100 pF at 0 V) avoids signal distortion on PWM timing lines; RoHS-compliant matte tin terminations ensure solder joint reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150CA | Same VWM/VC, but lower PPPM = 400 W; SMA package (smaller footprint, higher RθJA = 140 °C/W) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 compliance without derating. | Select when board space is constrained and surge threat level is ≤Level 3; verify thermal margin at full load. |
| P6SMB150CAHE3_B | Identical electrical specs; AEC-Q101 qualified, MSL Level 1, halogen-free option available | Required for automotive production; supports PPAP documentation and zero-defect field reliability targets. | Choose for OEM automotive programs where qualification and traceability are mandatory; same PCB layout as P6SMB150CA-E3/5B. |
Compared with SMAJ150CA, P6SMB150CA-E3/5B delivers 50% higher surge power handling and better thermal performance; compared with P6SMB150CAHE3_B, it shares identical clamping behavior but lacks automotive qualification-making it ideal for industrial and telecom cost-sensitive designs where AEC-Q101 is not mandated.
Availability
P6SMB150CA-E3/5B is available at Aetrix Electronics and suitable for industrial sensor interfaces, telecom line cards, and consumer appliance motor drives requiring stable component supply, RoHS-compliant packaging, and SMB-form-factor surge protection.
Supply support for P6SMB150CA-E3/5B 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, power efficiency, and automotive-grade validation.
The P6SMB Series targets high-reliability transient suppression in space-constrained surface-mount applications, with design focus on industrial automation, telecommunications infrastructure, and automotive electronics where robustness against ESD and inductive switching is mission-critical.
FAQ
What is the clamping voltage of P6SMB150CA-E3/5B at its rated peak pulse current?
The P6SMB150CA-E3/5B 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 JEDEC test conditions and defines the upper voltage limit imposed on protected circuits during transient events. The clamping performance remains symmetrical in both directions due to its bidirectional construction.
Is P6SMB150CA-E3/5B suitable for automotive applications?
P6SMB150CA-E3/5B is RoHS-compliant and MSL Level 1 qualified but not AEC-Q101 certified. For automotive use, Vishay offers the functionally identical P6SMB150CAHE3_B variant, which carries full AEC-Q101 qualification and supports PPAP documentation. Engineers must select P6SMB150CAHE3_B-not P6SMB150CA-E3/5B-for production in automotive body control, lighting, or infotainment systems.
How does the SMB package of P6SMB150CA-E3/5B compare thermally to SMA or SMC packages?
The SMB (DO-214AA) package of P6SMB150CA-E3/5B has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" copper pads-lower than SMA's 140 °C/W but higher than SMC's ~60 °C/W. This makes P6SMB150CA-E3/5B well-suited for moderate-power surge protection where board area is limited but thermal headroom exceeds that of SMA, without requiring the larger SMC footprint.
What is the maximum reverse leakage current of P6SMB150CA-E3/5B at its stand-off voltage?
At its rated stand-off voltage (VWM) of 128 V, the P6SMB150CA-E3/5B exhibits a maximum reverse leakage current (ID) of 1.0 μA at 25 °C. This ultra-low leakage preserves signal integrity in high-impedance sensing nodes and minimizes standby power loss in battery-operated equipment, consistent with Vishay's glass-passivated junction process.
Can P6SMB150CA-E3/5B be used in place of unidirectional P6SMB150A-E3/5B?
No-P6SMB150CA-E3/5B is bidirectional and lacks polarity marking, while P6SMB150A-E3/5B is unidirectional with cathode band identification. Substituting them requires circuit redesign: the CA version clamps symmetrically across both polarities, whereas the A version only clamps in reverse bias and conducts forward like a rectifier. Using P6SMB150CA-E3/5B in a unidirectional position may cause unintended conduction during normal operation.
P6SMB150CA-E3/5B 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:
- 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):
- 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)
P6SMB150CA-E3/5B FAQ
1.How can I place an order for P6SMB150CA-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB150CA-E3/5B 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-E3/5B reliable?
The price and inventory of P6SMB150CA-E3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB150CA-E3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB150CA-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB150CA-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB150CA-E3/5B?
P6SMB150CA-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB150CA-E3/5B 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-E3/5B?
For technical support, including P6SMB150CA-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB150CA-E3/5B requirements.
6.How does Aetrix verify that P6SMB150CA-E3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB150CA-E3/5B 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-E3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB150CA-E3/5B?
All P6SMB150CA-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB150CA-E3/5B, 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-E3/5B part is unused and in its original packaging.
Return procedure for P6SMB150CA-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB150CA-E3/5B Tags
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Diodes Incorporated
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