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Vishay General Semiconductor - Diodes Division SMB10J10AHM3/H
- Part No.:
- SMB10J10AHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J10AHM3/H.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,792
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Product details
Overview
SMB10J10AHM3/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), 11.1–12.3 V breakdown voltage at 1 mA test current, and 17.0 V maximum clamping voltage at 5.0 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive power electronics and industrial control interfaces.
For engineers reviewing the SMB10J10AHM3/H datasheet, SMB10J10AHM3/H pinout, SMB10J10AHM3/H application, or SMB10J10AHM3/H equivalent, key selection criteria include its AEC-Q101 qualification, 10 V standoff voltage, low 1.0 µA reverse leakage at VWM, halogen-free RoHS compliance, and thermal resistance of 72 °C/W junction-to-ambient - critical for under-hood automotive modules and compact PCB layouts.
Technical Context
This TVS diode operates as a voltage-clamping overvoltage protection device, leveraging a glass-passivated silicon junction to achieve sub-nanosecond response time and low incremental surge resistance. Its unidirectional polarity enables integration into DC-biased circuits such as 12 V automotive power rails and microcontroller I/O lines.
Rated for -55 °C to +150 °C operating junction temperature and qualified per AEC-Q101, SMB10J10AHM3/H supports automotive-grade reliability requirements including MSL level 1 (260 °C reflow peak) and JESD201 class 2 whisker resistance. The HM3 suffix confirms halogen-free, RoHS-compliant construction with matte tin-plated leads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Breakdown Voltage VBR | 11.1–12.3 V at 1 mA - defines precise voltage threshold for avalanche conduction during transients |
| Stand-off Voltage VWM | 10 V - maximum continuous reverse voltage before leakage exceeds 1.0 µA, matching 12 V nominal systems |
| Clamping Voltage VC | 17.0 V at 5.0 A IPPM - limits protected circuit voltage during 10/1000 µs surge, ensuring downstream IC survival |
| Peak Pulse Power PPPM | 1000 W (10/1000 µs) - sustains high-energy ESD and load-dump surges without failure |
| Operating Temperature | -55 °C to +150 °C - enables deployment in engine control units and under-hood sensors |
| Package | SMB (DO-214AA) - surface-mount footprint (4.57 × 3.94 × 2.20 mm) compatible with automated SMT assembly |
| AEC-Q101 Qualified | Yes - validated for automotive electronic systems per stress test requirements including HTOL, TCT, and ESD |
Pinout & Package
SMB10J10AHM3/H uses the standard SMB (DO-214AA) package: molded plastic case with matte tin-plated leads, cathode indicated by a color band on the body. Dimensions: 4.57 mm × 3.94 mm × 2.20 mm (L × W × H), with recommended 5.0 mm × 5.0 mm copper pads per terminal for thermal and surge performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference node | Connected to ground or low-voltage rail; completes clamping path during positive transients |
| Cathode | Protected line input | Connected to the line being protected (e.g., 12 V supply or sensor output); color band marks this terminal |
Key Features
| Feature | Design Value |
|---|---|
| Halogen-free, RoHS-compliant construction | HM3 suffix certifies compliance with environmental regulations and eliminates corrosive halogen emissions during soldering or failure |
| AEC-Q101 qualification | Validated for automotive applications including temperature cycling, high-temperature operating life, and ESD robustness |
| Glass-passivated junction | Ensures stable breakdown characteristics, low leakage, and long-term reliability under repeated surge stress |
| Low profile SMB package | Enables high-density PCB layouts while maintaining 1000 W surge capability - ideal for space-constrained ECUs |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without moisture-induced damage |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed microcontrollers and CAN transceivers from load dump and jump-start surges in engine control units. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between power rail and ground, triggered only during overvoltage events. Use Value: Limits rail voltage to ≤17.0 V during 1000 W transients, preventing latch-up or gate oxide damage in downstream ICs. | Use Scenario: Safeguarding analog outputs of pressure or temperature sensors connected to PLC inputs against ESD and inductive switching noise. IC Role / Device Role / Timing Role: Low-capacitance (<100 pF) transient clamp on signal line, minimizing signal distortion. Use Value: Maintains signal integrity with <1.0 µA leakage at 10 V, while clamping fast ESD pulses to safe levels. |
| DC Motor Drive Circuit Protection | Consumer Power Adapter Input Stage |
Use Scenario: Suppressing flyback voltage spikes generated by brushed DC motor commutation in automotive seat/mirror actuators. IC Role / Device Role / Timing Role: Fast-response (sub-ns) unidirectional TVS across motor terminals or H-bridge outputs. Use Value: Absorbs repetitive 100 A surge currents (IFSM = 100 A) without degradation, extending actuator lifetime. | Use Scenario: Secondary-side overvoltage protection in AC/DC adapters for smart home devices subjected to lightning-induced surges. IC Role / Device Role / Timing Role: Standoff-rated (10 V) clamp on 5–12 V regulated output rails. Use Value: Provides certified 1000 W surge handling per IEC 61000-4-5, meeting UL/EN safety standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A-E3/52 | Same SMB package, 10 V VWM, but rated for 600 W PPPM (vs. 1000 W) and not AEC-Q101 qualified | Commercial-grade only; unsuitable for automotive under-hood use | Select when cost sensitivity outweighs automotive qualification and higher surge margin |
| SMAJ10A-HM3 | SMA package (smaller footprint), same 10 V VWM, but lower 400 W PPPM and 19.9 V clamping voltage | Limited to low-energy surges; insufficient for load-dump protection | Choose only for space-constrained consumer designs where 1000 W capability is unnecessary |
Compared with SMBJ10A-E3/52 and SMAJ10A-HM3, SMB10J10AHM3/H delivers 67% higher surge power rating and automotive qualification - making it the sole option for AEC-Q101-compliant 12 V system protection requiring ≥1000 W clamping capacity.
Availability
SMB10J10AHM3/H is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and DC motor drive circuits requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for SMB10J10AHM3/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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMB10J series is engineered for high-power transient suppression in harsh environments, targeting automotive, industrial, and telecom infrastructure where AEC-Q101 compliance and 1000 W surge handling are mandatory.
FAQ
What is the clamping voltage of SMB10J10AHM3/H at its rated peak pulse current?
The SMB10J10AHM3/H has a maximum clamping voltage (VC) of 17.0 V at 5.0 A peak pulse current (IPPM) under a 10/1000 µs waveform. This value ensures protected circuits remain below critical overvoltage thresholds during surge events. The SMB10J10AHM3/H maintains consistent clamping performance across its specified temperature range (-55 °C to +150 °C).
Is SMB10J10AHM3/H suitable for automotive applications?
Yes, SMB10J10AHM3/H is AEC-Q101 qualified and specifically designed for automotive use, including engine control units and body electronics. Its halogen-free HM3 construction, MSL level 1 rating, and operation up to +150 °C junction temperature meet stringent automotive reliability requirements. The SMB10J10AHM3/H is listed in Vishay's automotive-grade product portfolio with full qualification documentation.
What does the "HM3" suffix indicate in SMB10J10AHM3/H?
"HM3" denotes halogen-free, RoHS-compliant construction with matte tin-plated leads that pass JESD201 class 2 whisker testing. It distinguishes SMB10J10AHM3/H from commercial-grade variants (e.g., E3/M3) and confirms compliance with automotive environmental and reliability standards. The SMB10J10AHM3/H HM3 suffix is part of Vishay's standardized automotive ordering code system.
How does SMB10J10AHM3/H compare to SMBJ10A in terms of surge capability?
SMB10J10AHM3/H delivers 1000 W peak pulse power (10/1000 µs), whereas SMBJ10A is rated for 600 W - a 67% higher surge energy absorption. Both share 10 V standoff voltage, but SMB10J10AHM3/H also features AEC-Q101 qualification and higher IFSM (100 A vs. 30 A). For demanding automotive applications, SMB10J10AHM3/H is the technically superior choice.
What is the thermal resistance of SMB10J10AHM3/H, and why does it matter?
SMB10J10AHM3/H has a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W when mounted on 5.0 mm × 5.0 mm copper pads. This parameter determines how effectively heat from surge dissipation transfers to the PCB. Lower RθJA allows higher sustained power handling; the SMB10J10AHM3/H value enables reliable 1000 W pulse operation in compact automotive modules without active cooling.
SMB10J10AHM3/H 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):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 58.8A
- 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)
SMB10J10AHM3/H FAQ
1.How can I place an order for SMB10J10AHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J10AHM3/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 SMB10J10AHM3/H reliable?
The price and inventory of SMB10J10AHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J10AHM3/H is usually 5 days.
3.What payment methods are accepted for SMB10J10AHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J10AHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J10AHM3/H?
SMB10J10AHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J10AHM3/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 SMB10J10AHM3/H?
For technical support, including SMB10J10AHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J10AHM3/H requirements.
6.How does Aetrix verify that SMB10J10AHM3/H is sourced from the original manufacturer or authorized distributors?
All SMB10J10AHM3/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 SMB10J10AHM3/H meets industry standards.
7.What is the process for return or replacement of SMB10J10AHM3/H?
All SMB10J10AHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J10AHM3/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 SMB10J10AHM3/H part is unused and in its original packaging.
Return procedure for SMB10J10AHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J10AHM3/H Tags
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