Vishay General Semiconductor - Diodes Division SMB10J5.0AHE3_B/H
- Part No.:
- SMB10J5.0AHE3_B/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J5.0AHE3_B/H.pdf
- Description:
- 1KW,5.0V 5%,UNIDIR,SMB TVS
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SMB10J5.0AHE3_B/H from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMB (DO-214AA) package, designed for high-energy surge protection with 1000 W peak pulse power (10/1000 µs), 6.4 V minimum breakdown voltage, and 9.2 V maximum clamping voltage at 108.7 A peak pulse current. It is AEC-Q101 qualified and used to protect automotive sensor signal lines, MOSFET gates, and IC power rails against inductive switching transients.
For engineers reviewing the SMB10J5.0AHE3_B/H datasheet, SMB10J5.0AHE3_B/H pinout, SMB10J5.0AHE3_B/H application, or SMB10J5.0AHE3_B/H equivalent, key selection criteria include unidirectional polarity, 5.0 V stand-off voltage, 1000 W surge rating, AEC-Q101 qualification, and SMB package compatibility with automated SMT placement.
Technical Context
This TVS diode operates as a clamping device that transitions from high-impedance to low-impedance state when reverse voltage exceeds its breakdown threshold (6.4–7.07 V at 10 mA). Its glass-passivated junction ensures stable leakage performance (<1000 µA at 5.0 V) and fast response time (<1 ns).
The device delivers 1000 W peak pulse power under standardized 10/1000 µs waveform conditions, with thermal resistance of 72 °C/W (junction-to-ambient) and 20 °C/W (junction-to-lead), enabling robust operation up to 150 °C junction temperature in automotive-grade PCB layouts with 5.0 mm × 5.0 mm copper pads per terminal.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 5.0 V - Maximum continuous reverse voltage before significant leakage begins; defines operating margin below breakdown. |
| Breakdown Voltage (VBR) | 6.4–7.07 V at 10 mA - Confirmed voltage range where device enters avalanche conduction; ensures reliable triggering above system operating voltage. |
| Clamping Voltage (VC) | 9.2 V at 108.7 A - Maximum voltage seen by protected circuit during 1000 W surge; limits stress on downstream components. |
| Peak Pulse Power (PPPM) | 1000 W (10/1000 µs) - Energy-handling capability for automotive load-dump and ISO 7637-2 pulse 1/2/5a events. |
| Operating Temperature | -55 °C to +150 °C - Full AEC-Q101 automotive grade temperature range; validated for under-hood and engine-control module use. |
| Package | SMB (DO-214AA) - Surface-mount package with 2.20 mm max height and 5.59 mm body length; compatible with J-STD-020 MSL level 1 reflow. |
| Polarity | Unidirectional - Cathode marked with band; blocks forward current beyond 3.5 V at 50 A, enabling DC rail protection. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, molded plastic 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 |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-voltage return path; completes clamping loop during transient events. |
| Cathode | Protected line interface | Connected to signal or power line being protected; color band identifies this terminal; conducts avalanche current to anode during overvoltage. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and ADAS sensor interfaces; includes temperature cycling, HTRB, and ESD testing. |
| Glass-passivated junction | Ensures stable electrical parameters over lifetime and prevents moisture-induced degradation in humid environments. |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (e.g., ISO 16750-2 pulse 5a), improving protection margin. |
| MSL Level 1 rating | Enables single-reflow assembly without baking; peak reflow temperature up to 260 °C supported per J-STD-020. |
| 1000 W peak pulse power | Supports protection against severe load-dump events (up to 35 V, 100 ms) in 12 V automotive systems with appropriate layout. |
Applications
| Automotive Sensor Protection | Power Rail Clamping |
|---|---|
Use Scenario: Protecting LIN bus or analog sensor outputs (e.g., pressure, temperature) from ESD and inductive kickback in vehicle cabins. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between signal line and ground, triggered only during negative transients. Use Value: Limits voltage to ≤9.2 V during 108.7 A surges, preventing latch-up or damage to 5 V-tolerant microcontrollers and ADC inputs. | Use Scenario: Safeguarding 5 V power rails feeding infotainment SoCs or camera modules against battery line transients. IC Role / Device Role / Timing Role: Standoff-rated TVS connected between VCC and GND, conducting only when input exceeds 6.4 V. Use Value: Maintains 5.0 V nominal operation while clamping ISO 7637-2 pulse 1 (−150 V, 50 ms) energy within safe limits. |
| MOSFET Gate Protection | Industrial I/O Interface |
Use Scenario: Shielding N-channel MOSFET gate drivers in motor control circuits from voltage spikes caused by relay coil de-energization. IC Role / Device Role / Timing Role: Fast-response unidirectional TVS placed between gate and source, absorbing sub-100 ns spikes. Use Value: Prevents gate oxide rupture by limiting transient voltage to 9.2 V, supporting gate drive reliability across 100,000+ switching cycles. | Use Scenario: Hardening RS-485 transceiver data lines in factory automation PLCs exposed to lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Bidirectional-capable variant family member (though SMB10J5.0AHE3_B/H is unidirectional, used in asymmetric protection schemes with series impedance). Use Value: Provides primary clamping stage with 1000 W rating, reducing downstream TVS or MOV burden in multi-stage protection architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0A-E3/52 | Same SMB package, 5.0 V VWM, but rated for 600 W PPPM (10/1000 µs); lower clamping voltage (9.2 V same), no AEC-Q101 qualification. | Commercial-grade only; not approved for automotive ECUs or safety-critical modules. | Select when cost-sensitive industrial designs require basic surge immunity without automotive certification. |
| 1.5SMC5.0A | Higher-power SMC package (1500 W PPPM), same 5.0 V VWM and 9.2 V VC, but larger footprint (7.11 mm × 6.22 mm) and higher RθJA (40 °C/W). | Used where board space allows larger package and higher surge margin is needed beyond 1000 W. | Choose for heavy-duty industrial power supplies or telecom base stations requiring extended surge endurance. |
Compared with SMBJ5.0A-E3/52 and 1.5SMC5.0A, SMB10J5.0AHE3_B/H uniquely combines AEC-Q101 qualification, 1000 W rating, and SMB footprint-enabling drop-in replacement in automotive PCBs where space, certification, and energy handling are jointly constrained.
Availability
SMB10J5.0AHE3_B/H is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and power supply protection requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for SMB10J5.0AHE3_B/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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, automotive qualification, and high-power density packaging.
The SMB10J series is part of Vishay's TRANSZORB® TVS platform engineered specifically for AEC-Q101-compliant automotive transient suppression, balancing low clamping voltage, high surge capacity, and compact SMB packaging for space-constrained ECU designs.
FAQ
What is the maximum clamping voltage of SMB10J5.0AHE3_B/H at its rated peak pulse current?
The SMB10J5.0AHE3_B/H has a maximum clamping voltage (VC) of 9.2 V at its rated peak pulse current of 108.7 A, measured under the standard 10/1000 µs waveform. This value is confirmed in the Vishay datasheet Document Number 88422, page 2, and defines the upper voltage limit imposed on protected circuits during worst-case surge events. The SMB10J5.0AHE3_B/H maintains this clamping performance across its full operating temperature range.
Is SMB10J5.0AHE3_B/H suitable for bidirectional transient protection?
No, SMB10J5.0AHE3_B/H is a unidirectional TVS diode, as indicated by its "A" suffix and cathode band marking. It protects against negative transients only-reverse voltage exceeding VBR triggers clamping to ground. For bidirectional protection, Vishay offers the SMB8J5.0CA family (e.g., SMB8J5.0CAHE3), which provides symmetrical clamping for AC or floating signal lines. The SMB10J5.0AHE3_B/H must be oriented correctly in-circuit with cathode toward the protected line.
Does SMB10J5.0AHE3_B/H meet automotive reliability standards?
Yes, SMB10J5.0AHE3_B/H is explicitly AEC-Q101 qualified, as stated in the Vishay datasheet revision 09-Jan-2024 (Document Number 88422). This qualification covers stress tests including high-temperature reverse bias, temperature cycling, and ESD, confirming suitability for automotive applications such as engine control, body electronics, and ADAS sensor modules. The "HE3" suffix denotes RoHS-compliant and AEC-Q101 qualified construction.
What is the thermal resistance of SMB10J5.0AHE3_B/H, and how does it affect PCB layout?
The SMB10J5.0AHE3_B/H has a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W and junction-to-lead (RθJL) of 20 °C/W, per datasheet page 4. These values assume mounting on 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal. To maintain safe operation at 150 °C maximum junction temperature, PCB layout must provide adequate copper area and thermal vias-reducing RθJA improves surge repetition capability and long-term reliability under repeated transient stress.
Can SMB10J5.0AHE3_B/H replace SMBJ5.0A in an existing design?
SMB10J5.0AHE3_B/H is not a direct pin-compatible replacement for SMBJ5.0A due to differences in surge rating (1000 W vs. 600 W) and qualification (AEC-Q101 vs. commercial grade), though both share the SMB (DO-214AA) package and identical pinout. Replacing SMBJ5.0A with SMB10J5.0AHE3_B/H may improve surge robustness and enable automotive compliance, but requires validation of layout thermal performance and system-level transient testing-especially since SMB10J5.0AHE3_B/H has higher IPPM and slightly different VBR tolerance.
SMB10J5.0AHE3_B/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 108.7A
- Power - Peak Pulse:
- 1000W (1kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SMB10J5.0AHE3_B/H FAQ
1.How can I place an order for SMB10J5.0AHE3_B/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J5.0AHE3_B/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 SMB10J5.0AHE3_B/H reliable?
The price and inventory of SMB10J5.0AHE3_B/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J5.0AHE3_B/H is usually 5 days.
3.What payment methods are accepted for SMB10J5.0AHE3_B/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J5.0AHE3_B/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J5.0AHE3_B/H?
SMB10J5.0AHE3_B/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J5.0AHE3_B/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 SMB10J5.0AHE3_B/H?
For technical support, including SMB10J5.0AHE3_B/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J5.0AHE3_B/H requirements.
6.How does Aetrix verify that SMB10J5.0AHE3_B/H is sourced from the original manufacturer or authorized distributors?
All SMB10J5.0AHE3_B/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 SMB10J5.0AHE3_B/H meets industry standards.
7.What is the process for return or replacement of SMB10J5.0AHE3_B/H?
All SMB10J5.0AHE3_B/H units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J5.0AHE3_B/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 SMB10J5.0AHE3_B/H part is unused and in its original packaging.
Return procedure for SMB10J5.0AHE3_B/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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