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Vishay General Semiconductor - Diodes Division P6SMB11A-E3/5B
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- Part No.:
- P6SMB11A-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11A-E3/5B.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:5,594
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Product details
Overview
P6SMB11A-E3/5B 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 9.4 V stand-off voltage (VWM), 10.5–11.6 V breakdown voltage (VBR) at 1 mA test current, 15.6 V maximum clamping voltage (VC) at 38.5 A peak pulse current, and 600 W peak pulse power rating with 10/1000 µs waveform - used to protect MOSFETs, ICs, and sensor interfaces in industrial power supplies.
For engineers reviewing the P6SMB11A-E3/5B datasheet, P6SMB11A-E3/5B pinout, P6SMB11A-E3/5B application, or P6SMB11A-E3/5B equivalent, key selection criteria include unidirectional polarity, 150 °C max junction temperature, RoHS-compliant matte tin-plated leads, MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on 0.2" × 0.2" copper pads.
Technical Context
This TVS diode operates as a voltage-clamping protection device that enters avalanche conduction when reverse voltage exceeds its breakdown threshold (10.5–11.6 V), limiting transient energy to safe levels for downstream components. Its low incremental surge resistance and fast response time ensure effective suppression of ESD, inductive switching spikes, and lightning-induced surges.
The device is rated for 600 W peak pulse power under 10/1000 µs waveform with 0.01% duty cycle, derated above 25 °C ambient per thermal curves. Its glass-passivated junction and SMB package support reliable operation across -65 °C to +150 °C junction temperature range, meeting J-STD-020 reflow profile requirements up to 260 °C peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 9.4 V - Maximum continuous reverse operating voltage before significant leakage; defines safe DC bias margin. |
| VBR (Breakdown) | 10.5–11.6 V at 1 mA - Confirmed avalanche onset range; ensures predictable clamping initiation. |
| VC (Clamping) | 15.6 V at 38.5 A - Peak voltage seen by protected circuit during 10/1000 µs transient; determines stress on downstream ICs. |
| PPPM | 600 W - Peak transient energy absorption capability; supports robust protection against IEC 61000-4-5 level 4 surges. |
| IPPM | 38.5 A - Maximum non-repetitive surge current the device can safely divert without degradation. |
| TJ max | +150 °C - Maximum junction temperature; enables use in high-ambient industrial environments with proper PCB thermal design. |
| Package | SMB (DO-214AA) - Standardized surface-mount outline with 0.220" × 0.130" footprint; compatible with JEDEC-standard pick-and-place equipment. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, unidirectional polarity with cathode band marking. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H); terminals are matte tin-plated, solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side of protected line; conducts during forward-biased faults or inrush events. |
| Cathode | Avalanche clamping terminal | Marked with band; connected to higher-potential side; initiates clamping when reverse voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Enables single-device protection against high-energy transients per IEC 61000-4-5, reducing need for cascaded protection stages. |
| Low clamping ratio (VC/VBR ≈ 1.43) | Minimizes overvoltage stress on protected ICs - critical for 3.3 V or 5 V logic interfaces with tight voltage margins. |
| MSL Level 1 rating | Allows unlimited floor life and standard reflow without baking; simplifies manufacturing logistics and reduces process risk. |
| Glass-passivated junction | Improves long-term reliability and stability of VBR and leakage under thermal cycling and humidity exposure. |
| RoHS-compliant, matte tin plating | Ensures solderability and intermetallic formation control in lead-free assembly; meets IPC-J-STD-006 requirements. |
Applications
| Industrial Power Supply Input Protection | Automotive Body Control Module (BCM) Signal Lines |
|---|---|
Use Scenario: Protecting 12 V DC input rails in programmable logic controllers (PLCs) against load dump and inductive kickback. IC Role / Device Role / Timing Role: Unidirectional TVS clamping transient overvoltage on main supply rail upstream of DC-DC converters and microcontrollers. Use Value: Limits voltage to ≤15.6 V during 38.5 A surges, preventing latch-up or permanent damage to 16 V-rated input stages. |
Use Scenario: Safeguarding LIN bus and sensor analog outputs (e.g., temperature, pressure) in BCM modules exposed to battery transients. IC Role / Device Role / Timing Role: Standoff-clamp protection on low-speed communication and analog sensing lines with 9.4 V nominal bias. Use Value: Maintains signal integrity during ISO 7637-2 Pulse 1/2a events by clamping within 1 ns, with <1 μA leakage at 9.4 V. |
| Consumer Appliance Motor Drive Circuits | Telecom Equipment AC-DC Adapter Outputs |
Use Scenario: Suppressing back-EMF spikes from brushed DC motors in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals or H-bridge outputs to absorb inductive energy. Use Value: Handles repetitive 600 W pulses at 0.01% duty cycle without parameter drift, extending MOSFET lifetime. |
Use Scenario: Secondary-side overvoltage protection on 5 V/12 V outputs of wall-mounted telecom adapters subject to lightning surges. IC Role / Device Role / Timing Role: Final-stage clamping device after primary-side isolation, protecting USB ports and Ethernet PHYs. Use Value: Provides 15.6 V clamping ceiling compatible with 16 V-rated LDOs and USB PD interface ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Same VWM (9.4 V), identical SMB package, but lower PPPM = 400 W and higher VC = 18.2 V at 22.9 A. | Less robust for IEC 61000-4-5 level 4; suitable only where surge energy is limited or redundancy is added. | Select SMAJ11A only if system-level testing confirms 400 W suffices and layout allows tighter thermal management. |
| 1.5SMC11A | Higher PPPM = 1500 W, larger SMC (DO-214AB) package (7.11 mm × 6.22 mm), same VWM/VBR range. | Requires PCB redesign due to 2.5× larger footprint and different pad layout; better for high-reliability industrial systems. | Choose 1.5SMC11A when surge threat level exceeds 600 W or when extended lifetime under repeated stress is required. |
Compared with SMAJ11A and 1.5SMC11A, the P6SMB11A-E3/5B delivers optimal balance of compact SMB footprint, 600 W capability, and 15.6 V clamping - making it preferred for space-constrained consumer and industrial designs requiring validated single-device protection without layout change.
Availability
P6SMB11A-E3/5B is available at Aetrix Electronics and suitable for industrial power supplies, automotive body electronics, consumer appliance motor drives, and telecom adapter outputs requiring stable component supply and RoHS-compliant sourcing.
Supply support for P6SMB11A-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, MOSFETs, and protection devices with emphasis on reliability, precision, and automotive-grade qualification.
The P6SMB Series is engineered for high-energy transient suppression in harsh environments, targeting industrial automation, automotive subsystems, and consumer electronics where compact size and repeatable clamping performance are critical.
FAQ
What is the maximum clamping voltage of the P6SMB11A-E3/5B under standard test conditions?
The P6SMB11A-E3/5B has a maximum clamping voltage (VC) of 15.6 V when subjected to a 10/1000 µs waveform at 38.5 A peak pulse current. This value is measured per JEDEC standards and reflects the actual voltage imposed on protected circuitry during worst-case transient events. The P6SMB11A-E3/5B maintains this clamping performance across its full operating temperature range (-65 °C to +150 °C), with minimal variation due to its glass-passivated junction structure.
Is the P6SMB11A-E3/5B suitable for automotive applications?
The base P6SMB11A-E3/5B is commercial-grade and RoHS-compliant but not AEC-Q101 qualified. For automotive use, Vishay offers the P6SMB11AHE3_B variant (with "_B" suffix), which is AEC-Q101 qualified and marked accordingly. Engineers must specify the HE3_B version explicitly for automotive body control, infotainment, or ADAS subsystems - the P6SMB11A-E3/5B itself is intended for industrial and consumer applications where automotive qualification is not mandated.
What does the "E3/5B" suffix indicate in P6SMB11A-E3/5B?
The "E3" denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads; "5B" specifies packaging in 13-inch diameter plastic tape and reel containing 3200 units. This differs from "52", which indicates 7-inch reel (750 units). The P6SMB11A-E3/5B is optimized for high-volume SMT production lines requiring large reels to minimize changeover frequency and support JIT manufacturing flow.
How does the P6SMB11A-E3/5B compare to bidirectional TVS diodes like P6SMB11CA?
The P6SMB11A-E3/5B is unidirectional and features a cathode band for polarity-sensitive placement, while P6SMB11CA is bidirectional with no polarity marking and symmetrical clamping in both directions. The P6SMB11A-E3/5B offers lower leakage (<5 µA at 9.4 V) and is preferred for DC-biased lines like power rails; P6SMB11CA suits AC-coupled or floating signal paths such as RS-485 or CAN bus. Both share identical VBR, VC, and PPPM ratings within their respective configurations.
What PCB layout considerations are critical for optimal performance of the P6SMB11A-E3/5B?
For reliable operation, the P6SMB11A-E3/5B must be mounted on minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve specified thermal resistance (RθJA = 100 °C/W) and 600 W pulse rating. Trace inductance between the TVS and protected node must be minimized - ideally <2 mm - to prevent voltage overshoot during fast transients. The P6SMB11A-E3/5B should be placed as close as possible to the connector or IC pin being protected, with ground return path routed directly to the nearest low-impedance ground plane.
P6SMB11A-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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- 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)
P6SMB11A-E3/5B FAQ
1.How can I place an order for P6SMB11A-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11A-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 P6SMB11A-E3/5B reliable?
The price and inventory of P6SMB11A-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 P6SMB11A-E3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB11A-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11A-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11A-E3/5B?
P6SMB11A-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11A-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 P6SMB11A-E3/5B?
For technical support, including P6SMB11A-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11A-E3/5B requirements.
6.How does Aetrix verify that P6SMB11A-E3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB11A-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 P6SMB11A-E3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB11A-E3/5B?
All P6SMB11A-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11A-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 P6SMB11A-E3/5B part is unused and in its original packaging.
Return procedure for P6SMB11A-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB11A-E3/5B Tags
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