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Vishay General Semiconductor - Diodes Division P6SMB13CA-E3/5B
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- Part No.:
- P6SMB13CA-E3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB13CA-E3/5B.pdf
- Description:
- TVS DIODE 11.1VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,638
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Product details
Overview
P6SMB13CA-E3/5B from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMB (DO-214AA) package, designed for clamping voltage transients on signal and power lines. It features a 13 V standoff voltage (VWM), 18.2 V maximum clamping voltage at 33.0 A peak pulse current, and 600 W peak pulse power capability with a 10/1000 μs waveform.
For engineers reviewing the P6SMB13CA-E3/5B datasheet, P6SMB13CA-E3/5B pinout, P6SMB13CA-E3/5B application, or P6SMB13CA-E3/5B equivalent, this device serves as a robust, AEC-Q101-qualified transient protection solution for automotive sensor interfaces, industrial I/O lines, and telecom signal conditioning circuits requiring low-leakage, fast-response surge suppression.
Technical Context
The P6SMB13CA-E3/5B operates bidirectionally with symmetrical breakdown characteristics: minimum VBR of 12.4 V and maximum of 13.7 V at 1.0 mA test current. Its clamping performance is defined by VC = 18.2 V at IPPM = 33.0 A under 10/1000 μs waveform, delivering low incremental surge resistance and sub-nanosecond response time.
Thermally, it supports operation from −65 °C to +150 °C junction temperature, with RθJA = 100 °C/W and RθJL = 20 °C/W. The device meets J-STD-020 MSL Level 1, LF peak of 260 °C, and is RoHS-compliant with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 11.1 V - Maximum reverse working voltage before clamping begins; defines safe operating range for protected circuitry. |
| VBR (Breakdown Voltage) | 12.4 V to 13.7 V at 1.0 mA - Confirmed bidirectional avalanche threshold; ensures symmetric transient response in both polarities. |
| VC (Clamping Voltage) | 18.2 V at 33.0 A - Peak voltage seen by downstream circuit during 10/1000 μs surge; determines protection margin for 12 V systems. |
| PPPM (Peak Pulse Power) | 600 W - Sustained energy-handling capacity under standardized surge waveform; enables robust protection against IEC 61000-4-5 Level 3/4 surges. |
| ID (Reverse Leakage) | 5.0 μA max at VWM - Ultra-low leakage preserves signal integrity and battery life in always-on sensor or interface circuits. |
| Package | SMB (DO-214AA) - Surface-mount outline with 0.220" × 0.130" footprint; compatible with automated placement and reflow processes. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bidirectional configuration with no polarity marking. Cathode/anode terminals are functionally identical; device conducts equally in both directions upon overvoltage event.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Connects to protected line; forms symmetrical clamping node with cathode during positive or negative surge events. |
| Cathode | Transient return path (bidirectional) | Connects to protected line; functions identically to anode in CA-series devices-no polarity dependency in layout. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables single-device protection against high-energy surges common in automotive load-dump and industrial switching environments. |
| 18.2 V clamping voltage at 33 A | Provides ≥2.8 V headroom below typical 24 V rail overvoltage limits, ensuring reliable MOSFET and IC gate protection. |
| Low 5.0 μA leakage at 11.1 V | Minimizes standby current draw in battery-powered sensors and IoT edge nodes without compromising protection sensitivity. |
| AEC-Q101 qualified (suffix _B) | Validated for automotive under-hood and chassis applications including engine control modules and ADAS sensor interfaces. |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free SMT assembly without moisture-related popcorning or delamination risks. |
Applications
| Automotive Sensor Protection | Industrial Digital I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from ESD and load-dump transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed across differential signal pair or supply-to-ground to limit transient excursions. Use Value: Maintains signal fidelity during ISO 10605 ±30 kV ESD events and ISO 7637-2 pulse 5a load-dump surges up to 110 V, preventing latch-up or damage to 12 V–24 V interface ICs. |
Use Scenario: Safeguarding PLC digital input modules and fieldbus interfaces (RS-485, Profibus) against induced lightning surges and relay coil flyback. IC Role / Device Role / Timing Role: Parallel-connected TVS across input terminals to shunt surge energy before reaching isolation barrier or controller GPIO. Use Value: Clamps 1 kV/500 A surge (IEC 61000-4-5) to ≤18.2 V within <1 ns, preserving logic-level compatibility and enabling Class II surge immunity certification. |
| Telecom Line Interface Protection | Consumer Power Adapter Output Protection |
Use Scenario: Shielding Ethernet PHY magnetics and PoE injectors from induced surges on unshielded twisted-pair cabling in enterprise networks. IC Role / Device Role / Timing Role: Common-mode TVS across transformer secondary windings or data line pairs to suppress differential and common-mode transients. Use Value: Withstands repeated 10/1000 μs surges up to 600 W while maintaining <0.5 pF junction capacitance (per Vishay curve Fig. 4), avoiding signal integrity degradation at 100BASE-TX speeds. |
Use Scenario: Adding secondary-side overvoltage protection on 5 V/9 V/12 V USB-C and wall adapter outputs to prevent damage from regulator failure or cable fault conditions. IC Role / Device Role / Timing Role: Low-leakage TVS placed between output rail and ground to clamp catastrophic overvoltage before connected device ICs experience permanent damage. Use Value: Limits fault voltage to 18.2 V with <5 μA standby leakage-critical for meeting UL 62368-1 secondary circuit safety requirements without impacting efficiency or thermal design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13CA | Same VWM (11.1 V) and VC (18.2 V), but lower PPPM (400 W); SMA package (smaller footprint, higher RθJA). | Limited to lower-energy surges (IEC 61000-4-2 only); unsuitable for load-dump or high-repetition industrial environments. | Select when board space is constrained and surge threat level is limited to ESD-only scenarios. |
| SMCJ13CA | Higher PPPM (1500 W), same VWM/VC; larger SMC (DO-214AB) package with improved thermal dissipation. | Overqualified for most 12 V signal-line protection; adds cost and area where 600 W is sufficient. | Choose when protecting high-current power rails (e.g., 24 V motor drivers) requiring >1 kA surge handling. |
Compared with SMAJ13CA and SMCJ13CA, the P6SMB13CA-E3/5B delivers optimal balance of surge robustness (600 W), compact SMB footprint, and automotive qualification-making it the preferred choice for space-constrained, AEC-Q101–mandated 12 V signal protection where 400 W is insufficient and 1500 W is excessive.
Availability
P6SMB13CA-E3/5B is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial I/O modules, telecom line cards, and consumer power adapter designs requiring stable component supply and long-term lifecycle support.
Supply support for P6SMB13CA-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, efficiency, and application-specific optimization.
The P6SMB Series targets high-reliability transient suppression in automotive, industrial, and telecom infrastructure-designed to replace older axial-leaded TVS devices with surface-mount scalability and AEC-Q101 compliance.
FAQ
What is the clamping voltage of the P6SMB13CA-E3/5B under a 10/1000 μs surge?
The P6SMB13CA-E3/5B has a maximum clamping voltage (VC) of 18.2 V at 33.0 A peak pulse current under the standardized 10/1000 μs waveform. This value is measured per Figure 1 in Vishay Document 88370 and defines the upper voltage limit imposed on protected circuitry during surge events-critical for ensuring compatibility with 12 V system components.
Is the P6SMB13CA-E3/5B suitable for automotive applications?
Yes, the P6SMB13CA-E3/5B is AEC-Q101 qualified (as indicated by the "_B" suffix in Vishay's ordering matrix), having passed stress tests including temperature cycling, high-temperature reverse bias, and ESD per AEC standard. It is explicitly recommended for automotive sensor units, body control modules, and infotainment interfaces where transient immunity and long-term reliability are mandatory.
How does the bidirectional design of P6SMB13CA-E3/5B affect PCB layout?
The P6SMB13CA-E3/5B has no polarity marking and functions identically in both directions, eliminating orientation constraints during placement. Unlike unidirectional TVS diodes, it requires no cathode alignment-simplifying layout, reducing assembly errors, and enabling direct replacement in AC-coupled or differential signal paths such as RS-485 or CAN bus lines.
What is the maximum reverse leakage current for P6SMB13CA-E3/5B at its stand-off voltage?
The P6SMB13CA-E3/5B exhibits a maximum reverse leakage current (ID) of 5.0 μA at its rated stand-off voltage of 11.1 V, measured at TA = 25 °C. This ultra-low leakage preserves signal integrity in high-impedance sensor circuits and extends battery life in always-on portable and automotive applications without sacrificing clamping responsiveness.
Does the P6SMB13CA-E3/5B require heatsinking in typical applications?
No external heatsink is required for the P6SMB13CA-E3/5B in standard surge-protection applications. Its RθJA of 100 °C/W and 5.0 W steady-state power dissipation rating are sufficient when mounted on the recommended 0.2" × 0.2" copper pads per terminal. Thermal performance remains within safe limits even under repetitive 0.01% duty-cycle surges, as validated in Vishay's derating curves (Figure 2).
P6SMB13CA-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):
- 11.1V
- Voltage - Breakdown (Min):
- 12.4V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 33A
- 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)
P6SMB13CA-E3/5B FAQ
1.How can I place an order for P6SMB13CA-E3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB13CA-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 P6SMB13CA-E3/5B reliable?
The price and inventory of P6SMB13CA-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 P6SMB13CA-E3/5B is usually 5 days.
3.What payment methods are accepted for P6SMB13CA-E3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB13CA-E3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB13CA-E3/5B?
P6SMB13CA-E3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB13CA-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 P6SMB13CA-E3/5B?
For technical support, including P6SMB13CA-E3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB13CA-E3/5B requirements.
6.How does Aetrix verify that P6SMB13CA-E3/5B is sourced from the original manufacturer or authorized distributors?
All P6SMB13CA-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 P6SMB13CA-E3/5B meets industry standards.
7.What is the process for return or replacement of P6SMB13CA-E3/5B?
All P6SMB13CA-E3/5B units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB13CA-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 P6SMB13CA-E3/5B part is unused and in its original packaging.
Return procedure for P6SMB13CA-E3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB13CA-E3/5B Tags
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