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Vishay General Semiconductor - Diodes Division P6SMB11CA-E3/52
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- Part No.:
- P6SMB11CA-E3/52
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB11CA-E3/52.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:792
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Product details
Overview
P6SMB11CA-E3/52 from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, rated for 600 W peak pulse power (10/1000 μs), with a 9.4 V stand-off voltage (VWM) and 15.6 V maximum clamping voltage (VC) at 38.5 A peak pulse current. It protects signal lines and ICs in automotive sensor units, industrial I/O interfaces, and telecom power rails against ESD and inductive switching transients.
For engineers reviewing the P6SMB11CA-E3/52 datasheet, P6SMB11CA-E3/52 pinout, P6SMB11CA-E3/52 application, or P6SMB11CA-E3/52 equivalent, this device delivers verified bidirectional clamping performance, AEC-Q101 qualification readiness (via HE3/HM3 variants), RoHS-compliant matte tin terminations, and MSL Level 1 moisture sensitivity - critical for high-reliability automated SMT assembly and automotive-grade surge protection design.
Technical Context
This TVS operates symmetrically in both directions due to its bidirectional CA construction, enabling suppression of positive and negative transients without polarity dependency. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<5.0 μA at VWM), while the low incremental surge resistance supports consistent clamping under repetitive 0.01% duty cycle pulses.
The device is thermally characterized with RθJA = 100 °C/W (typ.) and RθJL = 20 °C/W (typ.), optimized for PCB copper pad layouts per JEDEC DO-214AA standards (0.2" × 0.2" pads). It meets J-STD-020 MSL Level 1 and withstands peak reflow temperatures up to 260 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 9.4 V - Maximum continuous reverse voltage before clamping begins; defines safe operating margin below circuit operating voltage. |
| VBR (Breakdown) | 10.5–11.6 V at 1.0 mA - Verified voltage range where device transitions into avalanche conduction; ensures predictable turn-on threshold. |
| VC (Clamping) | 15.6 V at 38.5 A - Maximum voltage seen by protected circuit during 10/1000 μs transient; limits stress on downstream ICs. |
| PPPM | 600 W - Peak pulse power handling capability under standardized 10/1000 μs waveform; enables robust protection against lightning-induced surges. |
| IPPM | 38.5 A - Peak pulse current supported at VC; determines minimum trace width and layout clearance needed for transient energy dissipation. |
| TJ max. | 150 °C - Maximum junction temperature rating; allows operation in under-hood automotive environments and industrial enclosures. |
| Package | SMB (DO-214AA) - Low-profile surface-mount outline with 0.220" × 0.130" footprint; compatible with standard pick-and-place and reflow processes. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case meeting UL 94 V-0 flammability rating; matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; no polarity marking for bidirectional configuration.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry point (negative half-cycle) | Accepts reverse surge current during negative transients; forms symmetrical clamping path with cathode. |
| Cathode | Transient current entry point (positive half-cycle) | Accepts reverse surge current during positive transients; completes bidirectional clamping loop with anode. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without external polarity management. |
| 600 W peak pulse power (10/1000 μs) | Supports IEC 61000-4-5 Level 4 surge immunity (4 kV line-to-line) when properly laid out on 0.2" × 0.2" copper pads. |
| Low clamping ratio (VC/VBR ≈ 1.43) | Minimizes overvoltage exposure to protected ICs - critical for 3.3 V and 5 V logic interfaces. |
| MSL Level 1, 260 °C peak reflow | Eliminates pre-baking requirements and supports standard lead-free reflow profiles in high-volume manufacturing. |
| AEC-Q101 qualification path | HE3/HM3 variants are qualified for automotive applications; P6SMB11CA-E3/52 shares identical die and package construction. |
Applications
| Automotive Sensor Protection | Industrial Digital I/O Protection |
|---|---|
|
Use Scenario: Protecting LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load-dump and ISO 7637-2 pulse 5a/b transients. IC Role / Device Role / Timing Role: Bidirectional TVS placed at connector interface to clamp ±100 V transients within 1 ns response time. Use Value: Prevents latch-up or gate oxide damage in 5 V sensor signal chains while maintaining <5 μA leakage at 9.4 V standby. |
Use Scenario: Safeguarding PLC digital input modules against field-wiring induced surges and ESD events during maintenance. IC Role / Device Role / Timing Role: Front-end transient suppressor on 24 V DC input lines, paired with series impedance for current limiting. Use Value: Limits clamped voltage to 15.6 V, ensuring compatibility with 24 V-rated optocoupler inputs and reducing need for secondary regulation. |
| Telecom Power Rail Protection | Consumer USB Interface Protection |
|
Use Scenario: Guarding PoE-powered Ethernet switch ports against lightning-induced common-mode surges on 48 V supply lines. IC Role / Device Role / Timing Role: Secondary-level TVS across DC input after primary MOV/GDT stage, absorbing residual fast-rising energy. Use Value: Delivers 600 W pulse handling with 15.6 V clamping - keeps downstream DC-DC converters within absolute maximum ratings. |
Use Scenario: Shielding USB 2.0 data lines (D+/D−) from human-body-model (HBM) ESD events during cable insertion. IC Role / Device Role / Timing Role: Low-capacitance bidirectional TVS placed directly at USB connector, minimizing stub length. Use Value: Clamps ±15 kV HBM discharges to <16 V while adding <10 pF parasitic capacitance - preserves signal integrity up to 480 Mbps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11CA | Same VWM (9.4 V) and VC (15.6 V), but lower PPPM = 400 W; SMA package (smaller thermal mass). | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for IEC 61000-4-5 surge testing. | Select when board space is constrained and surge threat level is limited to ESD or low-duty-cycle switching noise. |
| 1.5KE11CA | Higher PPPM = 1500 W, axial-leaded DO-201 package; VC = 18.2 V at 82.5 A - less tight clamping. | Requires through-hole assembly and larger PCB real estate; better suited for AC mains or high-power DC bus protection. | Choose for legacy through-hole designs or where higher pulse energy absorption outweighs clamping precision and SMT compatibility. |
Compared with SMAJ11CA and 1.5KE11CA, P6SMB11CA-E3/52 uniquely balances 600 W surge capacity, 15.6 V clamping, SMB SMT compatibility, and AEC-Q101 upgrade path - making it optimal for new automotive, industrial, and telecom designs requiring automated assembly and repeatable transient suppression performance.
Availability
P6SMB11CA-E3/52 is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O cards, and telecom power supplies requiring stable component supply, RoHS compliance, and MSL Level 1 reflow readiness.
Supply support for P6SMB11CA-E3/52 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, power efficiency, and automotive-grade qualification.
The P6SMB Series is engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and communications systems where compact SMT TVS devices must deliver repeatable clamping performance under repetitive surge stress.
FAQ
What is the clamping voltage of P6SMB11CA-E3/52 at its rated peak pulse current?
The P6SMB11CA-E3/52 has a maximum clamping voltage (VC) of 15.6 V at 38.5 A peak pulse current (IPPM) under the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay document 88370 and reflects worst-case clamping performance across temperature and process variation - critical for validating voltage margins in protected circuits.
Is P6SMB11CA-E3/52 suitable for automotive applications?
Yes - while P6SMB11CA-E3/52 itself is commercial-grade (RoHS-compliant E3 suffix), it shares identical die, package, and electrical characteristics with AEC-Q101-qualified variants like P6SMB11CAHE3_B. Designers can migrate to HE3/HM3 versions without layout changes, leveraging the same 9.4 V VWM, 15.6 V VC, and SMB footprint for automotive sensor and body-control modules.
What is the standoff voltage (VWM) and why does it matter for P6SMB11CA-E3/52?
The standoff voltage (VWM) of P6SMB11CA-E3/52 is 9.4 V - the maximum DC or continuous reverse voltage the device tolerates without entering avalanche conduction. This parameter ensures reliable operation in 9 V nominal systems (e.g., automotive sensors), preventing false triggering while maintaining sufficient margin above normal operating voltage to avoid leakage-induced power loss.
How does the bidirectional design of P6SMB11CA-E3/52 affect circuit placement?
The bidirectional design of P6SMB11CA-E3/52 eliminates polarity concerns - it can be placed across any two nodes subject to differential or common-mode transients without regard to anode/cathode orientation. This simplifies layout in AC-coupled interfaces (e.g., RS-485, CAN FD bias networks) and reduces BOM complexity versus using two unidirectional devices.
What thermal derating applies to P6SMB11CA-E3/52 above 25 °C ambient?
P6SMB11CA-E3/52 follows the derating curve in Figure 2 of Vishay document 88370: its peak pulse power (PPPM) decreases linearly from 600 W at 25 °C to zero at 150 °C junction temperature. At 85 °C ambient (assuming typical PCB thermal resistance), usable pulse power drops to ~420 W - requiring verification of layout copper area and airflow in high-temp enclosures.
P6SMB11CA-E3/52 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):
- 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)
P6SMB11CA-E3/52 FAQ
1.How can I place an order for P6SMB11CA-E3/52 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB11CA-E3/52 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 P6SMB11CA-E3/52 reliable?
The price and inventory of P6SMB11CA-E3/52 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMB11CA-E3/52 is usually 5 days.
3.What payment methods are accepted for P6SMB11CA-E3/52?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB11CA-E3/52 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB11CA-E3/52?
P6SMB11CA-E3/52 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB11CA-E3/52 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 P6SMB11CA-E3/52?
For technical support, including P6SMB11CA-E3/52 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB11CA-E3/52 requirements.
6.How does Aetrix verify that P6SMB11CA-E3/52 is sourced from the original manufacturer or authorized distributors?
All P6SMB11CA-E3/52 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 P6SMB11CA-E3/52 meets industry standards.
7.What is the process for return or replacement of P6SMB11CA-E3/52?
All P6SMB11CA-E3/52 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB11CA-E3/52, 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 P6SMB11CA-E3/52 part is unused and in its original packaging.
Return procedure for P6SMB11CA-E3/52:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB11CA-E3/52 Tags
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