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Vishay General Semiconductor - Diodes Division P6SMB15AHE3_A/H
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- Part No.:
- P6SMB15AHE3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
P6SMB15AHE3_A/H.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:7,520
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Product details
Overview
P6SMB15AHE3_A/H 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 15 V breakdown voltage (VBR = 14.3–15.8 V at IT = 1.0 mA), 12.8 V stand-off voltage (VWM), 21.2 V maximum clamping voltage at 28.3 A peak pulse current (10/1000 μs), and 600 W peak pulse power rating. It is AEC-Q101 qualified and used to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power supplies.
For engineers reviewing the P6SMB15AHE3_A/H datasheet, P6SMB15AHE3_A/H pinout, P6SMB15AHE3_A/H application, or P6SMB15AHE3_A/H equivalent, key selection criteria include unidirectional polarity, 12.8 V working voltage margin, 21.2 V clamping performance under 28.3 A surge, AEC-Q101 qualification status, and SMB package compatibility with automated SMT assembly.
Technical Context
This TVS diode operates as a voltage-clamping protection device that enters avalanche conduction when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable leakage and fast response (<1 ns), while low incremental surge resistance enables effective energy diversion during transient events like inductive switching or ESD.
The device is rated for 100 A non-repetitive forward surge current (IFSM, 8.3 ms half-sine), supports continuous power dissipation of 5.0 W at TA = 50 °C, and maintains operation across -65 °C to +150 °C junction temperature range. Its MSL Level 1 rating confirms suitability for standard reflow without moisture sensitivity concerns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.3 V / 15.8 V at 1.0 mA test current - defines precise avalanche onset window for reliable overvoltage triggering |
| VWM | 12.8 V - maximum continuous reverse operating voltage before significant leakage begins |
| VC @ IPPM | 21.2 V at 28.3 A (10/1000 μs) - clamping voltage seen by protected circuit during worst-case surge |
| PPPM | 600 W - peak transient power it can absorb without failure, critical for lightning or load-dump immunity |
| IPPM | 28.3 A - maximum surge current handled at rated clamping voltage, determines PCB trace and fuse sizing |
| TJ max. | +150 °C - maximum junction temperature enabling use in under-hood automotive environments |
| AEC-Q101 | Qualified - validated for automotive reliability including temperature cycling, HTRB, and ESD stress |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile plastic case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Cathode indicated by band marking on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse voltage reference | Connected to lower-potential side (e.g., ground or return path); defines polarity-dependent clamping direction |
| Cathode | Avalanche conduction terminal / Surge current sink | Connected to protected line (e.g., 12 V rail); conducts surge current to anode during overvoltage event |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power (10/1000 μs) | Enables robust protection against ISO 7637-2 Load Dump (Pulse 5a) and IEC 61000-4-5 surges in 12 V systems |
| AEC-Q101 qualification | Validates long-term reliability for automotive applications including engine control units and body electronics |
| Low clamping ratio (VC/VBR ≈ 1.41) | Minimizes overvoltage stress on downstream ICs compared to higher-ratio suppressors |
| MSL Level 1 (260 °C peak) | Supports standard Pb-free reflow without baking or special handling requirements |
| Glass passivated junction | Ensures stable leakage current (<1.0 μA at VWM) and consistent breakdown behavior over lifetime |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V supply rails in engine control modules from load dump transients up to 40 V. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between battery rail and DC/DC input. Use Value: Limits rail voltage to ≤21.2 V during 28.3 A surge, preventing damage to LDOs and microcontrollers. |
Use Scenario: Shielding analog output lines of pressure sensors in factory automation PLCs from EFT and cable discharge. IC Role / Device Role / Timing Role: Point-of-entry transient suppressor on 4–20 mA loop outputs. Use Value: Clamps sub-100 ns ESD events to safe levels while maintaining <1.0 μA leakage at 12 V nominal operation. |
| Consumer Power Adapter Input Stage | Telecom DC Power Interface |
Use Scenario: Safeguarding primary-side controller ICs in wall adapters exposed to AC line surges. IC Role / Device Role / Timing Role: Secondary-side TVS on DC output (e.g., 5 V/9 V/12 V) after rectification. Use Value: Absorbs 600 W pulses without degradation, preserving adapter MTBF under repeated surge stress. |
Use Scenario: Protecting PoE-powered equipment inputs (e.g., IP cameras) from induced surges on Ethernet cables. IC Role / Device Role / Timing Role: Unidirectional clamp on DC bias line feeding powered device interface. Use Value: Maintains 12.8 V standoff while clamping to 21.2 V, ensuring IEEE 802.3af/at compliance margins. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A-E3/5T | Same VBR range (14.3–15.8 V), but SMA package (smaller footprint, lower thermal mass) | Limited to lower-energy transients due to 400 W PPPM; not AEC-Q101 qualified | Select when board space is constrained and automotive qualification is unnecessary |
| 1.5SMC15A | Same electrical specs, but larger SMC (DO-214AB) package with higher RθJA (80 °C/W vs. 100 °C/W) | Better thermal handling for repetitive surges; requires larger PCB pad area | Prefer for industrial designs needing higher average power dissipation or legacy layout compatibility |
Compared with P6SMB15AHE3_A/H, SMAJ15A-E3/5T trades AEC-Q101 qualification and 600 W capability for compactness, while 1.5SMC15A offers superior thermal robustness at the cost of board area - making P6SMB15AHE3_A/H the optimal balance of automotive compliance, surge capacity, and SMT manufacturability in SMB footprint.
Availability
P6SMB15AHE3_A/H is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, consumer power adapters, and telecom DC power inputs requiring stable component supply with AEC-Q101 assurance and high-reliability transient suppression.
Supply support for P6SMB15AHE3_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 and application-specific performance.
The P6SMB Series belongs to Vishay's TRANSZORB® TVS platform, engineered specifically for high-energy transient suppression in automotive, industrial, and communications infrastructure where robustness and qualification-grade validation are mandatory.
FAQ
What is the clamping voltage of P6SMB15AHE3_A/H at its rated peak pulse current?
The P6SMB15AHE3_A/H has a maximum clamping voltage (VC) of 21.2 V when subjected to its rated peak pulse current of 28.3 A under the standardized 10/1000 μs waveform. This value is measured per JEDEC standards and reflects the actual voltage imposed on the protected circuit during worst-case surge conditions. The clamping performance is guaranteed across the full operating temperature range and forms the basis for downstream IC overvoltage margin analysis in designs using P6SMB15AHE3_A/H.
Is P6SMB15AHE3_A/H suitable for automotive applications?
Yes, P6SMB15AHE3_A/H is AEC-Q101 qualified, confirming its reliability for automotive use cases including engine control units, body control modules, and ADAS sensor interfaces. The "HE3" suffix denotes RoHS-compliant and AEC-Q101 qualified construction, and the device meets MSL Level 1 for lead-free reflow. Its -65 °C to +150 °C operating junction temperature range and validated performance under temperature cycling, HTRB, and ESD stress make P6SMB15AHE3_A/H appropriate for under-hood and cabin-mounted systems.
What does the "_A/H" suffix mean in P6SMB15AHE3_A/H?
The "_A/H" suffix in P6SMB15AHE3_A/H indicates packaging configuration: "A" denotes unidirectional polarity, and "H" specifies 7-inch diameter plastic tape-and-reel delivery with 750 units per reel. This ordering code aligns with Vishay's standard format where base part P6SMB15AHE3 identifies the AEC-Q101 qualified variant, and the trailing suffixes define polarity and packaging - essential for procurement accuracy and SMT line setup when deploying P6SMB15AHE3_A/H.
How does P6SMB15AHE3_A/H compare to bidirectional TVS diodes like P6SMB15CA?
P6SMB15AHE3_A/H is unidirectional and intended for DC line protection where polarity is fixed (e.g., 12 V supply rails), offering lower leakage (<1.0 μA at 12.8 V) and tighter VBR tolerance than bidirectional equivalents. In contrast, P6SMB15CA provides symmetrical clamping for AC or floating lines but exhibits higher reverse leakage in both directions. Designers select P6SMB15AHE3_A/H when protecting polarized circuits where minimal standby current and AEC-Q101 compliance are required - unlike P6SMB15CA, which lacks automotive qualification in standard versions.
What is the thermal resistance of P6SMB15AHE3_A/H, and how does it affect layout?
P6SMB15AHE3_A/H has a typical junction-to-ambient thermal resistance (RθJA) of 100 °C/W when mounted on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. This value assumes minimum recommended pad layout per Vishay's datasheet; reducing pad size increases thermal impedance and risks exceeding the +150 °C maximum junction temperature during repetitive surges. To ensure reliability, PCB layouts for P6SMB15AHE3_A/H must adhere to specified copper area and avoid thermal isolation - especially in automotive or industrial applications where ambient temperatures exceed 85 °C.
P6SMB15AHE3_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:
- 1
- Bidirectional Channels:
- -
- 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)
P6SMB15AHE3_A/H FAQ
1.How can I place an order for P6SMB15AHE3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMB15AHE3_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 P6SMB15AHE3_A/H reliable?
The price and inventory of P6SMB15AHE3_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 P6SMB15AHE3_A/H is usually 5 days.
3.What payment methods are accepted for P6SMB15AHE3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMB15AHE3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMB15AHE3_A/H?
P6SMB15AHE3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMB15AHE3_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 P6SMB15AHE3_A/H?
For technical support, including P6SMB15AHE3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMB15AHE3_A/H requirements.
6.How does Aetrix verify that P6SMB15AHE3_A/H is sourced from the original manufacturer or authorized distributors?
All P6SMB15AHE3_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 P6SMB15AHE3_A/H meets industry standards.
7.What is the process for return or replacement of P6SMB15AHE3_A/H?
All P6SMB15AHE3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with P6SMB15AHE3_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 P6SMB15AHE3_A/H part is unused and in its original packaging.
Return procedure for P6SMB15AHE3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMB15AHE3_A/H Tags
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