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Vishay General Semiconductor - Diodes Division SMB10J8.0AHM3_A/I
- Part No.:
- SMB10J8.0AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J8.0AHM3_A/I.pdf
- Description:
- TVS DIODE 8VWM 13.6VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,167
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Product details
Overview
SMB10J8.0AHM3_A/I 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 8.0 V stand-off voltage (VWM), 8.89–9.83 V breakdown voltage (VBR) at 1 mA, 13.6 V clamping voltage (VC) at 73.5 A peak pulse current (IPPM), and 1000 W peak pulse power (PPPM) with 10/1000 µs waveform. It is AEC-Q101 qualified and halogen-free, targeting automotive sensor interface and power supply protection.
For engineers reviewing the SMB10J8.0AHM3_A/I datasheet, SMB10J8.0AHM3_A/I pinout, SMB10J8.0AHM3_A/I application, or SMB10J8.0AHM3_A/I equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, clamping performance under standardized surge conditions, thermal resistance (RθJA = 72 °C/W), and automotive-grade packaging details - all critical for ESD/surge co-design in safety-critical embedded systems.
Technical Context
This device operates as a unidirectional avalanche diode, leveraging glass-passivated junction technology to achieve fast response (<1 ns) and low incremental surge resistance. Its clamping behavior is defined by a 10/1000 µs double-exponential surge waveform per ANSI/IEEE C62.35, with guaranteed VC ≤ 13.6 V at IPPM = 73.5 A.
Thermally, it sustains operation up to TJ = 150 °C and derates linearly above TA = 25 °C per Fig. 2; its RθJL = 20 °C/W enables effective heat transfer to PCB copper pads (0.2" × 0.2"). The matte tin-plated leads comply with J-STD-002 and JESD 22-B102, supporting automated SMT assembly and JESD 201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.0 V - Maximum continuous reverse operating voltage before significant leakage; sets upper limit for protected line voltage. |
| VBR min/max | 8.89 V / 9.83 V at IT = 1.0 mA - Confirmed breakdown range ensures reliable turn-on during transients without premature conduction. |
| VC @ IPPM | 13.6 V at 73.5 A - Clamped voltage during 10/1000 µs surge; defines maximum stress imposed on downstream ICs. |
| PPPM | 1000 W - Peak pulse power handling capacity; determines survivability against IEC 61000-4-5 Level 4 surges. |
| ID @ VWM | 1.0 µA - Reverse leakage at stand-off voltage; ensures minimal quiescent power loss in battery-powered systems. |
| TJ max | +150 °C - Maximum junction temperature; supports under-hood automotive environments with no derating up to 125 °C ambient. |
| Package | SMB (DO-214AA) - Surface-mount outline with 2.20 mm height and 5.59 mm length; compatible with standard 0.2" × 0.2" copper pad layout. |
Pinout & Package
Package: SMB (DO-214AA), molded plastic case meeting UL 94 V-0; cathode indicated by color band on end of body. Matte tin-plated leads support lead-free reflow per J-STD-020 MSL Level 1 (peak 260 °C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / low-side reference | Connected to ground or lower-potential rail; forms return path during clamping. |
| Cathode | Reverse-biased terminal / protected line connection | Connected to line being protected (e.g., 5 V or 12 V rail); conducts avalanche current when V > VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control units and ADAS sensor interfaces per stress test requirements. |
| Halogen-free & RoHS-compliant (HM3 suffix) | Meets automotive environmental standards and enables compliance with EU ELV Directive and OEM material declarations. |
| Glass-passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift in harsh under-hood environments. |
| Low RθJA (72 °C/W) | Enables sustained surge handling without external heatsinking when mounted on minimum 0.2" × 0.2" copper pads. |
| MSL Level 1 rating | Supports single-reflow assembly without moisture sensitivity concerns, eliminating bake-out requirements in production. |
Applications
| Automotive Sensor Interface Protection | Industrial PLC Digital Input Protection |
|---|---|
Use Scenario: Protecting CAN/LIN transceiver inputs and analog sensor signal lines (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and ground to clamp transients before they reach precision ADC or communication IC. Use Value: Limits induced voltage to ≤13.6 V during 73.5 A surge, preserving signal integrity and preventing latch-up in 3.3 V/5 V interface ICs. |
Use Scenario: Safeguarding 24 V digital input channels in programmable logic controllers against field-wiring induced surges and relay coil flyback. IC Role / Device Role / Timing Role: Primary surge suppression element on input front-end, positioned ahead of optocoupler or Schmitt trigger input stage. Use Value: Absorbs 1000 W transient energy without degradation, enabling robust operation in factory-floor environments with frequent EMI events. |
| Automotive Body Control Module (BCM) Power Rail | Consumer Appliance Motor Driver Protection |
Use Scenario: Suppressing load-dump transients on 12 V supply rails feeding microcontrollers and LED drivers in BCMs. IC Role / Device Role / Timing Role: Parallel-connected TVS across input capacitor to clamp voltage spikes exceeding 13.6 V during alternator regulation failure. Use Value: Prevents overvoltage damage to 12 V-rated LDOs and MCU I/Os while maintaining system uptime during ISO 16750-2 Test 4a. |
Use Scenario: Shielding H-bridge gate drivers and current-sense amplifiers in washing machine motor control boards from commutation spikes. IC Role / Device Role / Timing Role: Fast-response clamping device on low-voltage auxiliary rails (e.g., 5 V bias supply) feeding driver ICs. Use Value: Delivers sub-1 ns response and 13.6 V clamping to protect sensitive CMOS inputs from <100 ns ringing artifacts generated by BLDC switching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0AHE3_A/I | Same VWM (8.0 V), VBR (8.89–9.83 V), and VC (13.6 V), but RoHS-compliant only (not halogen-free); lacks HM3 environmental designation. | Approved for commercial/industrial use; not certified for halogen-free automotive programs requiring IEC 61249-2-21 compliance. | Select when halogen-free requirement is absent and cost optimization is prioritized over automotive material traceability. |
| SMAJ8.0A-HM3_A/I | Same electrical specs but in smaller SMA (DO-214AC) package; lower PPPM (400 W) and higher VC (14.4 V at 27.7 A). | Insufficient for 1000 W surge requirements; limited to low-energy signal-line protection where board space is constrained. | Choose only for space-constrained signal-level protection where peak surge energy remains below 400 W. |
Compared with SMB10J8.0AHM3_A/I, SMBJ8.0AHE3_A/I offers identical clamping performance but lacks halogen-free certification required for Tier 1 automotive sourcing, while SMAJ8.0A-HM3_A/I sacrifices 60% peak power capability and increases clamping voltage - making neither a drop-in replacement for high-energy automotive power rail protection.
Availability
SMB10J8.0AHM3_A/I is available at Aetrix Electronics and suitable for automotive electronics, industrial control systems, and consumer appliance designs requiring stable component supply with full AEC-Q101 qualification and halogen-free compliance.
Supply support for SMB10J8.0AHM3_A/I 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 application-specific performance.
The SMB10J series is engineered for high-power transient suppression in automotive and industrial environments, delivering 1000 W surge capability in compact SMB packages with AEC-Q101 validation and halogen-free construction.
FAQ
What is the clamping voltage of SMB10J8.0AHM3_A/I at its rated peak pulse current?
The SMB10J8.0AHM3_A/I has a maximum clamping voltage (VC) of 13.6 V at its specified peak pulse current (IPPM) of 73.5 A, measured using the standard 10/1000 µs waveform. This value is guaranteed across temperature and production lot, ensuring consistent overvoltage protection for downstream ICs connected to the same rail as SMB10J8.0AHM3_A/I.
Is SMB10J8.0AHM3_A/I qualified for automotive applications?
Yes, SMB10J8.0AHM3_A/I is fully AEC-Q101 qualified, as confirmed by Vishay's documentation (Document Number: 88422, Revision: 09-Jan-2024). The HM3 suffix denotes halogen-free, RoHS-compliant construction validated for automotive use, including under-hood environments with operating junction temperatures up to +150 °C. This makes SMB10J8.0AHM3_A/I suitable for deployment in ECUs, ADAS modules, and body control units.
What is the standoff voltage (VWM) and why does it matter for SMB10J8.0AHM3_A/I?
The standoff voltage (VWM) of SMB10J8.0AHM3_A/I is 8.0 V - the maximum DC or continuous peak reverse voltage the device can withstand without entering avalanche conduction. It must be selected ≥10–15% above the normal operating voltage of the protected line (e.g., 7 V nominal rail) to prevent leakage or thermal runaway. For SMB10J8.0AHM3_A/I, this ensures compatibility with 8 V logic supplies and 12 V automotive systems with margin.
How does the SMB (DO-214AA) package of SMB10J8.0AHM3_A/I affect thermal performance?
The SMB (DO-214AA) package of SMB10J8.0AHM3_A/I provides a typical junction-to-ambient thermal resistance (RθJA) of 72 °C/W when mounted on 0.2" × 0.2" copper pads per Vishay's recommended layout. This allows SMB10J8.0AHM3_A/I to dissipate 1000 W surge energy without exceeding TJ = 150 °C during short-duration transients, provided PCB copper area and airflow meet spec - critical for sustained reliability in SMB10J8.0AHM3_A/I deployments.
What is the reverse leakage current of SMB10J8.0AHM3_A/I at its VWM?
The SMB10J8.0AHM3_A/I exhibits a maximum reverse leakage current (ID) of 1.0 µA at its 8.0 V stand-off voltage (VWM), measured at TA = 25 °C. This ultra-low leakage minimizes standby power loss in battery-operated systems and prevents false triggering in high-impedance sensing circuits - a key design advantage of SMB10J8.0AHM3_A/I in automotive and portable electronics.
SMB10J8.0AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 13.6V
- Current - Peak Pulse (10/1000µs):
- 73.5A
- 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)
SMB10J8.0AHM3_A/I FAQ
1.How can I place an order for SMB10J8.0AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J8.0AHM3_A/I 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 SMB10J8.0AHM3_A/I reliable?
The price and inventory of SMB10J8.0AHM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMB10J8.0AHM3_A/I is usually 5 days.
3.What payment methods are accepted for SMB10J8.0AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J8.0AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J8.0AHM3_A/I?
SMB10J8.0AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J8.0AHM3_A/I 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 SMB10J8.0AHM3_A/I?
For technical support, including SMB10J8.0AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J8.0AHM3_A/I requirements.
6.How does Aetrix verify that SMB10J8.0AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All SMB10J8.0AHM3_A/I 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 SMB10J8.0AHM3_A/I meets industry standards.
7.What is the process for return or replacement of SMB10J8.0AHM3_A/I?
All SMB10J8.0AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J8.0AHM3_A/I, 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 SMB10J8.0AHM3_A/I part is unused and in its original packaging.
Return procedure for SMB10J8.0AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J8.0AHM3_A/I Tags
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