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Vishay General Semiconductor - Diodes Division SMCG11A-E3/57T
- Part No.:
- SMCG11A-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG11A-E3/57T.pdf
- Description:
- TVS DIODE 11VWM 18.2VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,698
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Product details
Overview
SMCG11A-E3/57T from Vishay General Semiconductor is a unidirectional surface-mount TransZORB® transient voltage suppressor (TVS) in DO-215AB (SMCG) package, with 11 V stand-off voltage (VWM), 12.2–13.5 V breakdown voltage (VBR), 1500 W peak pulse power (PPPM), and 82.4 A peak pulse current (IPPM) under 10/1000 µs waveform - designed to protect MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics.
For engineers reviewing the SMCG11A-E3/57T datasheet, SMCG11A-E3/57T pinout, SMCG11A-E3/57T application, or SMCG11A-E3/57T equivalent, key selection criteria include clamping voltage (18.2 V at IPPM), low incremental surge resistance, AEC-Q101 qualification, and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, leveraging glass-passivated junction technology for stable avalanche response. Its 1500 W PPPM rating is specified at TA = 25 °C with derating above that temperature per Figure 2, and it delivers 18.2 V clamping voltage (VC) at 82.4 A IPPM under standardized 10/1000 µs surge conditions.
Thermal performance is defined by RθJA = 75 °C/W (typ.) and RθJL = 15 °C/W (typ.), supporting operation from –55 °C to +150 °C junction temperature. It meets J-STD-020 MSL Level 1 and passes JESD 201 Class 2 whisker testing, with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 11 V - maximum reverse working voltage before clamping begins; defines safe operating margin for 12 V rail protection |
| VBR min/max | 12.2 V / 13.5 V at IT = 1 mA - tight breakdown tolerance ensures predictable turn-on during transients |
| VC @ IPPM | 18.2 V at 82.4 A - clamping voltage limits downstream device stress during 10/1000 µs surges |
| PPPM | 1500 W - peak surge power handling capability with defined thermal derating above 25 °C |
| ID @ VWM | 5.0 µA - ultra-low leakage preserves signal integrity and minimizes standby power loss |
| TJ max | +150 °C - enables use in under-hood automotive and high-temperature industrial environments |
| Package | DO-215AB (SMCG) - low-profile SMD outline compatible with standard pick-and-place and reflow profiles |
Pinout & Package
Package: DO-215AB (SMCG), surface-mount gull-wing configuration with cathode band marking on one end; dimensions: 7.87 mm × 9.64 mm × 2.41 mm (L × W × H); UL 94 V-0 compliant molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to protected circuit ground or low-side reference | Provides return path during clamping; must be routed with low-inductance trace to minimize overshoot |
| Cathode | Current exit terminal in forward bias; marked with band; connects to line being protected | Defines polarity for unidirectional operation; incorrect orientation disables protection function |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity, and mechanical shock per AEC specification |
| Glass-passivated junction | Ensures stable VBR over lifetime and immunity to moisture-induced parameter drift in harsh environments |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients by reducing dynamic impedance during clamping |
| MSL Level 1 compliance | Enables unlimited floor life and standard reflow without baking, simplifying manufacturing logistics |
| 1500 W 10/1000 µs rating | Supports robust protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surge events |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V supply rails feeding body control modules (BCM), lighting drivers, and window lift ECUs from load dump and inductive switching spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery input and DC-DC converter input stage to clamp transients before regulation. Use Value: Clamps 18.2 V at 82.4 A, limiting stress on downstream LDOs and microcontrollers while surviving repeated 1500 W surges. | Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loops) and digital I/O of pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: Line-side TVS on sensor signal traces to absorb ESD and fast transients induced by nearby motor drives or relay switching. Use Value: 5.0 µA leakage at 11 V VWM prevents signal offset errors; 18.2 V VC ensures ADC input stays within safe common-mode range. |
| Consumer Power Adapter Input Stage | Telecom DC Feeder Protection |
Use Scenario: Secondary-side surge suppression on 12 V outputs of AC/DC adapters used in smart home hubs and set-top boxes. IC Role / Device Role / Timing Role: Final-stage TVS after bulk capacitance to catch residual transients escaping primary-side MOVs and Y-capacitors. Use Value: Fast response time and low clamping voltage prevent latch-up or damage to USB-PD controllers and PMICs downstream. | Use Scenario: Protecting -48 V DC feeder lines in telecom base station remote radio units (RRUs) from lightning-induced surges on long cable runs. IC Role / Device Role / Timing Role: Bidirectional-capable variant not applicable here; SMCG11A-E3/57T used in unidirectional configuration on positive rail relative to chassis ground. Use Value: 1500 W rating and +150 °C TJ max support continuous operation in sealed outdoor enclosures with limited airflow. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A-E3/57T | Same VWM (11 V), lower PPPM (400 W), SMA (DO-214AC) package, higher RθJA (110 °C/W) | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a or high-current load dump | Select when cost or board space is critical and surge energy is ≤400 W |
| SMCJ11A-E3/57T | Same VWM (11 V), higher PPPM (1500 W), identical DO-214AB (SMC) footprint but larger body (7.11 mm × 6.22 mm vs. SMCG's 7.87 mm × 9.64 mm) | Requires PCB layout change; offers same clamping (18.2 V) but higher thermal mass and slightly better heat dissipation | Select when existing SMC footprint is standardized and higher thermal margin is needed |
Compared with SMAJ11A-E3/57T and SMCJ11A-E3/57T, SMCG11A-E3/57T provides identical electrical protection performance (VWM, VBR, VC, PPPM) in a lower-profile, AEC-Q101-qualified package optimized for automated placement and high-reliability automotive use - without requiring PCB redesign like SMCJ11A-E3/57T.
Availability
SMCG11A-E3/57T is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, and consumer power adapter input stages requiring stable component supply, full traceability, and AEC-Q101 compliance.
Supply support for SMCG11A-E3/57T 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, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The SMCG series is part of Vishay's TransZORB® TVS platform, engineered specifically for high-power, low-clamping transient suppression in automotive, industrial, and telecom infrastructure where AEC-Q101 qualification and consistent surge performance are mandatory.
FAQ
What is the clamping voltage of SMCG11A-E3/57T and how is it measured?
The SMCG11A-E3/57T has a maximum clamping voltage (VC) of 18.2 V, measured at its rated peak pulse current (IPPM) of 82.4 A under the standardized 10/1000 µs double-exponential surge waveform. This value is guaranteed per Vishay Document Number 88457 and reflects worst-case voltage seen by downstream components during surge events.
Is SMCG11A-E3/57T suitable for automotive applications?
Yes, SMCG11A-E3/57T carries AEC-Q101 qualification and is explicitly rated for automotive use per Vishay's documentation. Its –55 °C to +150 °C operating temperature range, MSL Level 1 rating, and validation against mechanical and environmental stress tests make it appropriate for under-hood and body electronics applications.
What does the "E3/57T" suffix indicate in SMCG11A-E3/57T?
The "E3" denotes RoHS-compliant, industrial-grade construction with matte tin-plated leads; "57T" specifies packaging in 7-inch diameter plastic tape and reel containing 850 units. This ordering code aligns with Vishay's standard delivery format for automated SMT assembly lines.
How does SMCG11A-E3/57T differ from bidirectional variants like SMCG11CA?
SMCG11A-E3/57T is unidirectional with cathode-band polarity marking and forward conduction capability, whereas SMCG11CA is bidirectional with no polarity marking and symmetrical clamping in both directions. The "A" suffix indicates unidirectional function; "CA" indicates bidirectional - they are not interchangeable without circuit redesign.
What is the thermal resistance of SMCG11A-E3/57T and why does it matter?
SMCG11A-E3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-lead (RθJL) of 15 °C/W. These values determine how effectively heat dissipates during repetitive surge events; lower RθJL supports higher pulse repetition rates when leads are thermally anchored to large copper planes.
SMCG11A-E3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AB, SMC Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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):
- 82.4A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCG)
SMCG11A-E3/57T FAQ
1.How can I place an order for SMCG11A-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG11A-E3/57T 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 SMCG11A-E3/57T reliable?
The price and inventory of SMCG11A-E3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG11A-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG11A-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG11A-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG11A-E3/57T?
SMCG11A-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG11A-E3/57T 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 SMCG11A-E3/57T?
For technical support, including SMCG11A-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG11A-E3/57T requirements.
6.How does Aetrix verify that SMCG11A-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG11A-E3/57T 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 SMCG11A-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG11A-E3/57T?
All SMCG11A-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG11A-E3/57T, 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 SMCG11A-E3/57T part is unused and in its original packaging.
Return procedure for SMCG11A-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG11A-E3/57T Tags
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