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Vishay General Semiconductor - Diodes Division SMB10J11AHE3/5B
- Part No.:
- SMB10J11AHE3/5B
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J11AHE3/5B.pdf
- Description:
- TVS DIODE 11VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,097
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Product details
Overview
SMB10J11AHE3/5B from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection on DC power rails and signal lines. It features a 11 V stand-off voltage (VWM), 12.2–13.5 V breakdown voltage (VBR at 1 mA), 18.2 V clamping voltage (VC) at 54.9 A peak pulse current, and 1000 W peak pulse power rating with 10/1000 µs waveform - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMB10J11AHE3/5B datasheet, SMB10J11AHE3/5B pinout, SMB10J11AHE3/5B application, or SMB10J11AHE3/5B equivalent, key selection criteria include AEC-Q101 qualification, unidirectional polarity with cathode band marking, low incremental surge resistance, and compatibility with automated SMT placement on 5.0 mm × 5.0 mm copper pads.
Technical Context
This TVS diode operates as a clamping device that transitions from high-impedance standby to low-impedance conduction when reverse voltage exceeds VBR, limiting transient energy to protected downstream circuitry. Its glass-passivated junction ensures stable leakage (<5 µA at VWM) and repeatable breakdown behavior across temperature (-55 °C to +150 °C).
The SMB10J11AHE3/5B delivers 1000 W peak pulse power handling with fast response time (<1 ns), low thermal resistance (RθJL = 20 °C/W), and meets J-STD-020 MSL Level 1 - enabling reliable operation in reflow-soldered automotive ECUs and industrial PLC I/O modules without derating penalties.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11 V - maximum continuous reverse operating voltage before significant leakage; defines safe DC rail margin for 12 V systems |
| VBR (min/max) | 12.2 V / 13.5 V at 1 mA - tight breakdown tolerance ensures predictable turn-on during transients |
| VC @ IPPM | 18.2 V at 54.9 A - clamping voltage limits downstream IC stress during ISO 7637-2 Pulse 1/2a surges |
| PPPM | 1000 W (10/1000 µs) - supports high-energy load-dump suppression in automotive 12 V networks |
| IFSM | 100 A (8.3 ms half-sine) - withstands repetitive inrush and switching surges without degradation |
| Junction Temp | -55 °C to +150 °C - enables under-hood deployment in engine control units and ADAS sensors |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including HTOL, TC, and ESD testing per AEC standard |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, low-profile (max height 2.20 mm), matte tin-plated leads, RoHS-compliant and halogen-free (HE3 suffix), MSL Level 1, 260 °C reflow compatible.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink node | Connected to protected line; conducts surge current to ground when VREV > VBR |
| Anode | Reference/ground return path | Typically tied to system ground plane; completes clamping loop with minimal inductance |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics including engine control, body control, and infotainment modules |
| Glass-passivated junction | Ensures stable VBR and low leakage over lifetime, even under thermal cycling and humidity stress |
| Low clamping ratio (VC/VBR ≈ 1.42) | Minimizes overvoltage exposure to downstream MOSFETs, CAN transceivers, and microcontrollers |
| MSL Level 1 rating | Enables single-pass reflow without baking; compatible with standard SMT assembly lines |
| 1000 W peak pulse power | Handles ISO 16750-2 load dump pulses up to 35 V for ≥400 ms without failure |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Clamping |
|---|---|
|
Use Scenario: 12 V battery-fed ECU power input exposed to load dump and jump-start transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between fuse and DC-DC converter input. Use Value: Limits voltage to ≤18.2 V during 1000 W surges, protecting 24 V tolerant regulators and preventing latch-up in MCU power domains. |
Use Scenario: Analog output line of pressure sensor in factory automation PLC module. IC Role / Device Role / Timing Role: Reverse-biased protection element on 4–20 mA current loop output. Use Value: Clamps induced EFT bursts (IEC 61000-4-4) to <18.2 V, preserving ADC reference integrity and avoiding op-amp saturation. |
| Telecom DC Power Feeds | Consumer USB Port ESD Suppression |
|
Use Scenario: -48 V telecom rectifier output feeding base station backplane. IC Role / Device Role / Timing Role: Primary surge clamp on DC distribution rail upstream of hot-swap controllers. Use Value: Absorbs 10/1000 µs lightning-induced surges up to 1000 W while maintaining <5 µA leakage at -48 V nominal. |
Use Scenario: VBUS line of USB 2.0 host port in smart home gateway. IC Role / Device Role / Timing Role: Standoff-rated TVS placed between connector and USB switch IC. Use Value: Suppresses ±15 kV contact ESD (IEC 61000-4-2) with sub-1 ns response, preventing data corruption in USB PHY layer. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A-E3/52 | Same VWM/VBR/VC specs but commercial-grade (non-AEC-Q101), MSL Level 1, same SMB package | Lacks automotive qualification; suitable for industrial/commercial power supplies where AEC compliance is not mandated | Select SMBJ11A-E3/52 for cost-sensitive non-automotive designs requiring identical electrical performance |
| 1.5SMC11A | Higher package thermal resistance (RθJA = 110 °C/W vs. 72 °C/W), same VWM/VC, but DO-214AB (SMC) package - 30% larger footprint | Requires larger PCB area and exhibits higher junction temperature rise under repeated surges | Choose 1.5SMC11A only if legacy SMC footprint compatibility is required and thermal headroom permits |
Compared with SMBJ11A-E3/52, SMB10J11AHE3/5B adds AEC-Q101 validation and tighter process control for automotive use; versus 1.5SMC11A, it delivers superior thermal performance and space savings in SMB layout - critical for dense ECU board designs.
Availability
SMB10J11AHE3/5B is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom DC power feeds requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SMB10J11AHE3/5B 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The SMB10J series is part of Vishay's TRANSZORB® TVS platform engineered for high-power-density transient suppression in harsh environments - targeting automotive, industrial, and telecom infrastructure where robustness and AEC-Q101 compliance are mandatory.
FAQ
What is the clamping voltage of SMB10J11AHE3/5B at its rated peak pulse current?
The SMB10J11AHE3/5B has a maximum clamping voltage (VC) of 18.2 V at 54.9 A peak pulse current (IPPM) under 10/1000 µs waveform conditions. This value is measured per ANSI/IEEE C62.35 standards and defines the upper voltage limit imposed on protected circuitry during surge events - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is SMB10J11AHE3/5B suitable for automotive applications?
Yes, SMB10J11AHE3/5B is AEC-Q101 qualified and manufactured with HE3 suffix indicating RoHS-compliant, automotive-grade construction. It undergoes stress testing for high-temperature operation (TJ up to +150 °C), thermal cycling, and surge endurance - making it appropriate for engine control modules, ADAS camera power inputs, and body electronics where reliability under vibration and temperature extremes is required.
What does the "HE3/5B" suffix mean in SMB10J11AHE3/5B?
In SMB10J11AHE3/5B, "HE3" denotes RoHS-compliant, AEC-Q101 qualified construction with matte tin plating; "5B" specifies packaging in 13-inch diameter plastic tape and reel containing 3200 units. This ordering code ensures traceable, automotive-grade material delivered in high-volume SMT-ready format - distinct from commercial variants like SMBJ11A-E3/52 which lack AEC-Q101 validation.
How does SMB10J11AHE3/5B differ from bidirectional TVS diodes like SMB8J11CA?
SMB10J11AHE3/5B is unidirectional and optimized for DC line protection with cathode-band polarity marking, whereas SMB8J11CA is bidirectional and suited for AC or symmetrical signal lines. The SMB10J11AHE3/5B offers higher peak pulse power (1000 W vs. 800 W) and lower clamping voltage at equivalent current - advantageous for 12 V automotive power rails where polarity is fixed and energy levels are extreme.
What PCB pad layout is recommended for optimal thermal and surge performance of SMB10J11AHE3/5B?
Vishay specifies a minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pad per terminal for SMB10J11AHE3/5B to achieve rated 1000 W pulse power. Thermal vias under pads and internal ground planes improve heat dissipation and reduce junction temperature rise during repetitive surges - essential for maintaining clamping consistency in automotive ECUs operating continuously at +105 °C ambient.
SMB10J11AHE3/5B Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11V
- Voltage - Breakdown (Min):
- 12.2V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 54.9A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J11AHE3/5B FAQ
1.How can I place an order for SMB10J11AHE3/5B through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J11AHE3/5B 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 SMB10J11AHE3/5B reliable?
The price and inventory of SMB10J11AHE3/5B are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J11AHE3/5B is usually 5 days.
3.What payment methods are accepted for SMB10J11AHE3/5B?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J11AHE3/5B transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J11AHE3/5B?
SMB10J11AHE3/5B orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J11AHE3/5B 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 SMB10J11AHE3/5B?
For technical support, including SMB10J11AHE3/5B datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J11AHE3/5B requirements.
6.How does Aetrix verify that SMB10J11AHE3/5B is sourced from the original manufacturer or authorized distributors?
All SMB10J11AHE3/5B 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 SMB10J11AHE3/5B meets industry standards.
7.What is the process for return or replacement of SMB10J11AHE3/5B?
All SMB10J11AHE3/5B units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J11AHE3/5B, 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 SMB10J11AHE3/5B part is unused and in its original packaging.
Return procedure for SMB10J11AHE3/5B:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J11AHE3/5B Tags
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