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Vishay General Semiconductor - Diodes Division P6SMB15CAHE3_A/H
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- Part No.:
- P6SMB15CAHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB15CAHE3_A/H.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:9,183
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Product details
Overview
P6SMB15CAHE3_A/H 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 15 V standoff voltage (VWM), 21.2 V maximum clamping voltage at 28.3 A peak pulse current, and 600 W peak pulse power capability with a 10/1000 μs waveform - deployed in automotive sensor interfaces, industrial I/O protection, and telecom line surge suppression.
For engineers reviewing the P6SMB15CAHE3_A/H datasheet, P6SMB15CAHE3_A/H pinout, P6SMB15CAHE3_A/H application, or P6SMB15CAHE3_A/H equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification status, thermal resistance (RθJA = 100 °C/W), and compliance with J-STD-020 MSL level 1 reflow profile up to 260 °C.
Technical Context
This device operates as a voltage-clamping protector with symmetrical breakdown behavior in both polarities due to its bidirectional construction. Its glass-passivated junction ensures stable leakage performance (<1.0 μA at VWM) and fast response time (<1.0 ps), enabling effective suppression of ESD, lightning-induced surges, and inductive switching transients.
The P6SMB15CAHE3_A/H is rated for repetitive 10/1000 μs pulses at 0.01% duty cycle and supports continuous power dissipation of 5.0 W at TA = 50 °C. Its junction temperature range spans –65 °C to +150 °C, and it meets halogen-free and RoHS-compliant material requirements per Vishay's HM3/HE3 automotive-grade specification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 12.8 V - Maximum reverse voltage before significant conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown) | 14.3–15.8 V at 1.0 mA - Voltage at which device enters avalanche region; tight tolerance enables predictable turn-on timing. |
| VC (Clamping) | 21.2 V at IPPM = 28.3 A - Peak voltage seen by protected circuit during worst-case transient; critical for IC-level overvoltage margining. |
| PPPM | 600 W - Sustained energy absorption capacity under standardized 10/1000 μs surge; validates robustness against IEC 61000-4-5 Level 4 events. |
| RθJA | 100 °C/W - Thermal resistance from junction to ambient; informs PCB copper pad sizing (0.2" × 0.2") for thermal reliability in high-reliability applications. |
| TJ max. | +150 °C - Maximum junction temperature; supports operation in under-hood automotive environments and industrial enclosures. |
| AEC-Q101 | Qualified - Validated for automotive electronics per stress test requirements including HTGB, HTRB, and TCT; suffix HE3 denotes qualification. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102; meets UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode / Anode (Bidirectional) | Non-polarized terminals | No polarity marking; symmetric conduction allows placement without orientation concern on PCB - simplifies automated assembly and reduces BOM variants. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines (e.g., RS-485, CAN, USB D+/D−) without polarity constraints. |
| 600 W peak pulse power | Meets IEC 61000-4-5 surge immunity requirements for industrial and automotive subsystems with minimal footprint overhead. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive use cases including body control modules, ADAS sensor interfaces, and infotainment power rails. |
| MSL level 1, 260 °C peak reflow | Supports standard lead-free SMT processes without pre-baking; eliminates moisture sensitivity handling complexity in high-volume manufacturing. |
| Glass passivated junction | Ensures long-term stability of leakage current (<1.0 μA) and breakdown voltage across temperature and lifetime - critical for safety-critical systems. |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
|
Use Scenario: Protecting LIN bus and analog sensor outputs (e.g., temperature, pressure) from load dump and ESD in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between sensor output and microcontroller input pin. Use Value: Limits transient voltage to ≤21.2 V during 10/1000 μs surges, preserving ADC accuracy and preventing latch-up in 3.3 V/5 V MCU inputs. |
Use Scenario: Shielding PLC digital input channels from field-wiring induced transients in factory automation cabinets. IC Role / Device Role / Timing Role: Parallel-connected TVS on each 24 V DC input line upstream of optocoupler isolation stage. Use Value: Absorbs up to 600 W of surge energy while maintaining <1.0 μA leakage at 12.8 V, ensuring no false triggering during normal operation. |
| Telecom Line Surge Suppression | Consumer Device Port Protection |
|
Use Scenario: Safeguarding Ethernet PHY interface pins (e.g., RJ45 magnetics secondary side) against lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Bidirectional TVS array element across differential pairs (e.g., TX+/TX−) with matched clamping characteristics. Use Value: Symmetric 21.2 V clamping ensures balanced differential swing integrity during surge events, minimizing data corruption risk. |
Use Scenario: Protecting USB Type-C CC and VBUS lines in portable chargers and power banks from hot-plug ESD and overvoltage faults. IC Role / Device Role / Timing Role: Standoff-rated TVS placed directly at connector entry point, before power delivery controller IC. Use Value: 12.8 V VWM aligns with USB PD 3.0 VBUS regulation window; 21.2 V VC prevents damage to 20 V-rated buck-boost controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15CA | Same VWM (12.8 V) and VC (21.2 V), but lower PPPM (400 W); SMA package (DO-214AC), larger RθJA (140 °C/W). | Not AEC-Q101 qualified; suitable for commercial-grade consumer or computing applications only. | Select when cost sensitivity outweighs automotive qualification or higher surge margin. |
| 1.5KE15CA | Higher power (1500 W), axial-leaded DO-15 package; slower response due to higher parasitic inductance; no MSL level 1 rating. | Requires through-hole assembly; unsuitable for high-density SMT layouts or reflow-only production. | Choose only for legacy designs where board real estate and assembly process allow axial components. |
Compared with SMAJ15CA and 1.5KE15CA, the P6SMB15CAHE3_A/H delivers AEC-Q101 qualification, superior thermal performance (RθJA = 100 °C/W), and optimized SMT manufacturability - making it the preferred choice for new automotive and industrial designs requiring verified reliability and automated placement.
Availability
P6SMB15CAHE3_A/H is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial I/O protection, and telecom line surge suppression requiring stable component supply, traceable sourcing, and lifecycle continuity.
Supply support for P6SMB15CAHE3_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, MOSFETs, optoelectronics, and passive components with emphasis on reliability, efficiency, and application-specific optimization.
The P6SMB Series is engineered for high-energy transient suppression in space-constrained, high-reliability environments - targeting automotive, industrial, and telecom infrastructure where AEC-Q101 validation and consistent clamping performance are mandatory.
FAQ
What does the "CA" suffix indicate in P6SMB15CAHE3_A/H?
The "CA" suffix in P6SMB15CAHE3_A/H designates a bidirectional configuration, meaning the device provides symmetrical transient voltage suppression in both polarities. This eliminates polarity concerns during PCB layout and enables use on AC-coupled or floating signal lines - unlike unidirectional variants (e.g., P6SMB15A) that require cathode alignment. The P6SMB15CAHE3_A/H maintains identical electrical specs in either direction, including VWM = 12.8 V and VC = 21.2 V.
Is P6SMB15CAHE3_A/H qualified for automotive applications?
Yes, P6SMB15CAHE3_A/H is AEC-Q101 qualified, as confirmed by the "HE3" suffix and Vishay documentation. It has passed stress tests including high-temperature reverse bias (HTRB), high-temperature gate bias (HTGB), and temperature cycling (TCT). This qualification validates its suitability for under-hood and cabin-mounted automotive electronics such as body control modules, ADAS sensor interfaces, and infotainment power supplies - where reliability under thermal and electrical stress is critical.
What is the maximum clamping voltage of P6SMB15CAHE3_A/H and how is it measured?
The maximum clamping voltage (VC) of P6SMB15CAHE3_A/H is 21.2 V, measured at a peak pulse current (IPPM) of 28.3 A using the standardized 10/1000 μs double-exponential waveform. This value represents the highest voltage the device allows to appear across protected circuitry during a worst-case surge event. It is specified at TA = 25 °C and must be used with derating curves for elevated ambient temperatures to ensure continued protection margin in real-world deployments.
Does P6SMB15CAHE3_A/H require special PCB layout considerations?
Yes - Vishay specifies mounting on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal to achieve rated thermal and surge performance. Smaller pads increase thermal resistance and reduce peak pulse current handling. Additionally, minimize trace inductance by placing P6SMB15CAHE3_A/H as close as possible to the protected port or IC pin, with short, wide traces to ground or return path. Avoid vias in series with TVS connections to preserve low-inductance surge shunting capability.
How does the "HE3" suffix differ from "E3" or "M3" in the P6SMB15CAHE3_A/H ordering code?
The "HE3" suffix in P6SMB15CAHE3_A/H indicates RoHS-compliant construction *and* AEC-Q101 qualification, distinguishing it from "E3" (RoHS-compliant, commercial grade only) and "M3" (halogen-free, RoHS-compliant, commercial grade). The "H" prefix within HE3 explicitly denotes automotive qualification, while "E3" and "M3" lack stress-test validation for automotive environments. This makes P6SMB15CAHE3_A/H appropriate for safety-critical vehicle systems where component reliability must meet stringent automotive standards.
P6SMB15CAHE3_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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 12.8V
- Voltage - Breakdown (Min):
- 14.3V
- Voltage - Clamping (Max) @ Ipp:
- 21.2V
- Current - Peak Pulse (10/1000µs):
- 28.3A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMBJ)
P6SMB15CAHE3_A/H FAQ
1.How can I place an order for P6SMB15CAHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB15CAHE3_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 P6SMB15CAHE3_A/H reliable?
The price and inventory of P6SMB15CAHE3_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 P6SMB15CAHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB15CAHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB15CAHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB15CAHE3_A/H?
P6SMB15CAHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB15CAHE3_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 P6SMB15CAHE3_A/H?
For technical support, including P6SMB15CAHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB15CAHE3_A/H requirements.
6.How does Aetrix verify that P6SMB15CAHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB15CAHE3_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 P6SMB15CAHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB15CAHE3_A/H?
All P6SMB15CAHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB15CAHE3_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 P6SMB15CAHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB15CAHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB15CAHE3_A/H Tags
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