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Vishay General Semiconductor - Diodes Division SMB10J11AHM3_A/I
- Part No.:
- SMB10J11AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMB10J11AHM3_A/I.pdf
- Description:
- TVS DIODE 11VWM 18.2VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:3,793
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Product details
Overview
SMB10J11AHM3_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 power 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 sensor interfaces and industrial power supply rails.
For engineers reviewing the SMB10J11AHM3_A/I datasheet, SMB10J11AHM3_A/I pinout, SMB10J11AHM3_A/I application, or SMB10J11AHM3_A/I 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 device operates as a silicon avalanche diode optimized for fast-response transient suppression. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<5 µA at VWM), while the SMB package supports thermal dissipation up to 150 °C junction temperature with RθJA = 72 °C/W.
The SMB10J11AHM3_A/I delivers precise clamping performance: at 54.9 A IPPM (10/1000 µs), it limits voltage to ≤18.2 V - enabling robust protection of downstream MOSFETs, microcontrollers, and CAN transceivers against ISO 7637-2 Load Dump and IEC 61000-4-5 surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11 V - maximum continuous reverse operating voltage before conduction begins; defines safe operating margin for 12 V automotive systems. |
| VBR (min/max) | 12.2 V / 13.5 V at 1 mA - guaranteed avalanche onset range; ensures consistent triggering across temperature and unit variance. |
| VC @ IPPM | 18.2 V at 54.9 A - clamped voltage during 1000 W surge; determines protected circuit's maximum stress level. |
| PPPM | 1000 W (10/1000 µs) - peak surge energy handling capacity; supports EN 61000-4-5 Level 4 compliance with proper PCB layout. |
| IFSM | 100 A (8.3 ms half-sine) - non-repetitive forward surge rating; enables survival of load-dump events in vehicle battery lines. |
| TJ max | 150 °C - maximum junction temperature; allows operation in under-hood automotive environments with derating above 25 °C. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per JESD22 standards. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, MSL Level 1 (260 °C peak reflow). Cathode indicated by black band on one end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry (unidirectional mode) | Connected to protected line side; conducts during positive transients when cathode is biased higher than anode. |
| Cathode | Reverse-biased terminal with color band | Connected to ground or lower-potential rail; avalanche conduction initiates here during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics including engine control units, ADAS sensors, and body control modules. |
| Glass passivated junction | Ensures long-term stability of VBR and low leakage (<5 µA) across temperature and humidity stress. |
| Low profile SMB package | Enables high-density PCB layouts and compatibility with standard SMT pick-and-place equipment (0.220" × 0.130"). |
| 1000 W peak pulse power | Provides headroom for transient suppression in 12 V/24 V systems subject to ISO 7637-2 Pulse 5a (load dump). |
| MSL Level 1 rating | Allows unlimited floor life and single-reflow processing at 260 °C without moisture-induced damage. |
Applications
| Automotive Sensor Protection | Industrial Power Input Stage |
|---|---|
Use Scenario: Protecting LIN/CAN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from ESD and inductive switching spikes in vehicle cabins. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp transients before they reach IC input pins. Use Value: Limits voltage to ≤18.2 V during 54.9 A surges, preventing latch-up or gate oxide damage in 3.3 V/5 V interface ICs. |
Use Scenario: Safeguarding 12 V DC input rails of PLC I/O modules and motor drive controllers against back-EMF and lightning-induced surges. IC Role / Device Role / Timing Role: Primary front-end surge protector mounted directly at connector entry point, upstream of bulk capacitance and DC-DC converters. Use Value: Absorbs 1000 W pulses without degradation, maintaining system uptime in factory-floor environments with frequent inductive load switching. |
| Consumer Power Adapter Output | Telecom Line Interface |
Use Scenario: Secondary-side overvoltage protection in USB-C PD adapters and wall chargers where output regulation may fail during fault conditions. IC Role / Device Role / Timing Role: Fast-clamping TVS connected between +VOUT and GND to prevent overvoltage propagation to connected devices. Use Value: Responds in <1 ps to limit output excursion to 18.2 V, meeting UL 62368-1 transient immunity requirements. |
Use Scenario: Surge protection on Ethernet PHY power rails (e.g., PoE PSE/PD) and RS-485 data lines exposed to building-wide lightning coupling. IC Role / Device Role / Timing Role: Standoff-rated TVS integrated into line-card protection circuitry, coordinated with gas discharge tubes and series impedance. Use Value: Provides low-clamp, low-capacitance (<100 pF) protection that preserves signal integrity up to 100 Mbps while surviving repeated 10/1000 µs surges. |
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/VC, but commercial-grade (non-AEC-Q101), RoHS-compliant only (not halogen-free). | Lacks automotive qualification; suitable for industrial/commercial designs without automotive reliability mandates. | Select when AEC-Q101 is not required and cost sensitivity outweighs halogen-free compliance. |
| 1.5SMC11A | Same electrical specs but in larger SMC (DO-214AB) package; RθJA = 40 °C/W vs. 72 °C/W; higher IPPM (69.4 A) due to thermal advantage. | Better thermal performance but requires 30% more board area; less suitable for space-constrained automotive modules. | Choose for high-reliability industrial power supplies where layout space permits and thermal margin is critical. |
Compared with SMBJ11A-E3/52 and 1.5SMC11A, the SMB10J11AHM3_A/I uniquely combines AEC-Q101 qualification, halogen-free construction, and SMB footprint - making it optimal for next-generation automotive ECUs where regulatory compliance, sustainability, and miniaturization intersect.
Availability
SMB10J11AHM3_A/I is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial power input stages, consumer power adapter outputs, and telecom line interfaces requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMB10J11AHM3_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 TVS devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMB10JxxA series is engineered for high-power-density transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where AEC-Q101 compliance and compact SMT packaging are mandatory.
FAQ
What is the clamping voltage of SMB10J11AHM3_A/I at its rated peak pulse current?
The SMB10J11AHM3_A/I 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 and guarantees the protected circuit sees no more than 18.2 V during worst-case surge events - critical for safeguarding 5 V and 3.3 V logic interfaces downstream of the SMB10J11AHM3_A/I.
Is SMB10J11AHM3_A/I suitable for automotive applications?
Yes, SMB10J11AHM3_A/I is AEC-Q101 qualified and manufactured with halogen-free, RoHS-compliant materials - explicitly intended for automotive use cases including engine control units, ADAS camera modules, and body electronics. Its qualification covers temperature cycling, highly accelerated life testing (HALT), and ESD robustness per JESD22 standards, confirming suitability for under-hood and cabin environments.
What does the "HM3_A/I" suffix indicate in SMB10J11AHM3_A/I?
The "HM3" denotes halogen-free, RoHS-compliant, and AEC-Q101 qualified construction; "A" is the revision code; "I" specifies 3200-unit tape-and-reel packaging on 13-inch diameter reels. This full suffix confirms the part meets automotive environmental and logistics requirements - distinguishing it from commercial variants like SMBJ11A-E3/52 which lack AEC-Q101 and halogen-free certification.
How does SMB10J11AHM3_A/I differ from bidirectional TVS diodes like SMB8J11CA?
The SMB10J11AHM3_A/I is unidirectional and features a cathode band for polarity identification, optimized for DC line protection where reverse conduction must be blocked. In contrast, SMB8J11CA is bidirectional with symmetric clamping in both polarities - suited for AC lines or differential data buses. SMB10J11AHM3_A/I offers higher peak pulse power (1000 W vs. 800 W) and is AEC-Q101 qualified, whereas SMB8J11CA is not automotive-qualified in this variant.
What PCB layout guidance applies to SMB10J11AHM3_A/I for optimal thermal and surge performance?
For optimal performance, mount SMB10J11AHM3_A/I on minimum 0.2" × 0.2" (5.0 mm × 5.0 mm) copper pads per terminal, as specified in Vishay Document 88422. Use short, wide traces to minimize inductance; avoid vias in current paths; and ensure thermal relief connects pads to internal ground planes. This layout achieves the rated 1000 W pulse power and maintains junction temperature below 150 °C during repetitive surges.
SMB10J11AHM3_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):
- 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:
- 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)
SMB10J11AHM3_A/I FAQ
1.How can I place an order for SMB10J11AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMB10J11AHM3_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 SMB10J11AHM3_A/I reliable?
The price and inventory of SMB10J11AHM3_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 SMB10J11AHM3_A/I is usually 5 days.
3.What payment methods are accepted for SMB10J11AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMB10J11AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMB10J11AHM3_A/I?
SMB10J11AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMB10J11AHM3_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 SMB10J11AHM3_A/I?
For technical support, including SMB10J11AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMB10J11AHM3_A/I requirements.
6.How does Aetrix verify that SMB10J11AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All SMB10J11AHM3_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 SMB10J11AHM3_A/I meets industry standards.
7.What is the process for return or replacement of SMB10J11AHM3_A/I?
All SMB10J11AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMB10J11AHM3_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 SMB10J11AHM3_A/I part is unused and in its original packaging.
Return procedure for SMB10J11AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMB10J11AHM3_A/I Tags
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DESD3V3E1BL-7B
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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