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Vishay General Semiconductor - Diodes Division SMCG9.0A-M3/57T
- Part No.:
- SMCG9.0A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG9.0A-M3/57T.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,554
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Product details
Overview
SMCG9.0A-M3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMCG (DO-215AB) package, with a standoff voltage of 9.0 V, breakdown voltage range of 10.0–11.1 V at 1.0 mA test current, clamping voltage of 15.4 V at 97.4 A peak pulse current, and 1500 W peak pulse power rating. It is AEC-Q101 qualified and designed for automotive-level transient protection on power rails and signal lines.
For engineers reviewing the SMCG9.0A-M3/57T datasheet, SMCG9.0A-M3/57T pinout, SMCG9.0A-M3/57T application, or SMCG9.0A-M3/57T equivalent, this device is selected for robust ESD and surge immunity in 12 V automotive subsystems, industrial sensor interfaces, and DC power input stages where low clamping voltage, fast response (<1 ns), and halogen-free RoHS compliance are required.
Technical Context
The SMCG9.0A-M3/57T operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its breakdown threshold (10.0–11.1 V), diverting transients to ground while limiting clamped voltage to ≤15.4 V at 97.4 A (10/1000 µs waveform). Its glass-passivated junction ensures stable leakage (<1.0 µA at 9.0 V) and long-term reliability under repetitive surge stress.
Thermally, it features RθJA = 75 °C/W and RθJL = 15 °C/W, enabling operation up to +150 °C junction temperature. The M3 suffix confirms halogen-free, RoHS-compliant construction with matte tin-plated leads meeting J-STD-002 solderability and JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - Maximum continuous reverse operating voltage before conduction begins |
| VBR (min/max) | 10.0 V / 11.1 V at 1.0 mA - Ensures reliable triggering above system nominal voltage with margin |
| VC @ IPPM | 15.4 V at 97.4 A - Limits protected circuit voltage during 10/1000 µs surge, preserving downstream ICs |
| PPPM | 1500 W - Sustains high-energy transients such as ISO 7637-2 Pulse 1/2a/5a without failure |
| IFSM | 200 A (8.3 ms half-sine) - Withstands inrush and load-dump surges in automotive power distribution |
| TJ max | +150 °C - Supports under-hood deployment and high-ambient industrial environments |
| Package | SMCG (DO-215AB) - Low-profile SMD outline compatible with automated placement and reflow |
Pinout & Package
SMCG9.0A-M3/57T uses the SMCG (DO-215AB) surface-mount package: 2-terminal, gull-wing leaded case with cathode band marking. Dimensions: 7.87 mm × 3.17 mm × 2.41 mm (L × W × H); mounting pad layout per Vishay spec requires 8.0 mm × 8.0 mm copper pads per terminal for rated power dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry / Reverse surge return path | Connected to protected line (e.g., 12 V rail); conducts during forward bias or bidirectional clamp |
| Cathode | Reverse voltage reference / Surge sink node | Connected to ground or low-impedance return; defines polarity and clamping reference point |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, humidity, and surge endurance |
| Halogen-free (M3 suffix) | Meets IEC 61249-2-21 and JEDEC J-STD-020 MSL Level 1 (260 °C peak reflow) |
| Low incremental surge resistance | Enables tight clamping (VC/IPPM ratio = 0.158 Ω) for minimal voltage overshoot |
| Fast response time | <1 ns turn-on ensures protection before sensitive logic or analog circuits are damaged |
| Glass-passivated junction | Provides stable VBR, low leakage, and resistance to moisture-induced degradation |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller I/O against load dump and ESD in door module electronics. IC Role / Device Role / Timing Role: Unidirectional TVS placed between LIN line and ground to clamp transients while preserving signal integrity. Use Value: Clamps to 15.4 V during 100 A surge, preventing damage to 5 V tolerant transceivers and maintaining communication uptime. | Use Scenario: Safeguarding 4–20 mA current loop inputs in programmable logic controllers exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff-rated TVS on loop supply rail to absorb induced lightning surges without false triggering. Use Value: Withstands 1500 W pulses while holding clamped voltage below 16 V, protecting precision op-amps and ADC front-ends. |
| DC Power Input Stage (12 V) | Automotive Infotainment USB Port |
Use Scenario: Input-stage surge suppression for automotive telematics modules powered from vehicle battery. IC Role / Device Role / Timing Role: Primary TVS on main 12 V input, upstream of DC/DC converter, to handle ISO 7637-2 Pulse 5a. Use Value: Absorbs 200 A load dump energy (8.3 ms) without degradation, ensuring system boot reliability after engine cranking. | Use Scenario: ESD and transient protection on VBUS line of USB 2.0 ports in head units subjected to hot-plug events. IC Role / Device Role / Timing Role: Unidirectional clamp between VBUS and chassis ground to suppress ±15 kV contact ESD per IEC 61000-4-2. Use Value: Sub-1 ns response limits voltage excursion to 15.4 V, preventing latch-up in USB PHY and maintaining enumeration stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A-E3/57T | Same VWM (9.0 V) and PPPM (400 W), but lower power rating and SMA (DO-214AC) package | Lower surge capacity suits consumer-grade 12 V peripherals, not automotive load dump | Select SMAJ9.0A-E3/57T only for cost-sensitive, non-AEC-Q101 applications with <500 W surge requirements |
| SMCJ9.0A-M3 | Same VWM and PPPM (1500 W), but SMC (DO-214AB) package with higher thermal mass and different footprint | Requires PCB redesign due to larger body (7.11 mm × 6.22 mm vs. SMCG's 7.87 mm × 3.17 mm) | Choose SMCJ9.0A-M3 if board space allows larger package and higher thermal inertia is needed for sustained surge duty |
Compared with SMAJ9.0A-E3/57T and SMCJ9.0A-M3, the SMCG9.0A-M3/57T delivers identical 1500 W surge capability in a narrower, automotive-qualified DO-215AB outline-enabling compact, high-reliability layouts without sacrificing clamping performance or qualification status.
Availability
SMCG9.0A-M3/57T is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, 12 V DC power inputs, and infotainment USB protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMCG9.0A-M3/57T 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, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMCG series was developed for high-power, low-profile transient suppression in space-constrained automotive and industrial systems, combining AEC-Q101 qualification, halogen-free materials, and optimized clamping performance in the DO-215AB footprint.
FAQ
What is the maximum clamping voltage of the SMCG9.0A-M3/57T under a 10/1000 µs surge?
The SMCG9.0A-M3/57T has a maximum clamping voltage (VC) of 15.4 V when subjected to its rated peak pulse current of 97.4 A using the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in Vishay's datasheet revision 09-Jan-2024. The low VC ensures downstream 12 V or 15 V tolerant components remain within safe operating limits during surge events. SMCG9.0A-M3/57T maintains this clamping performance across its full operating temperature range.
Is the SMCG9.0A-M3/57T suitable for automotive applications?
Yes, the SMCG9.0A-M3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its construction includes halogen-free (M3) materials, matte tin-plated leads compliant with J-STD-002, and thermal ratings supporting junction temperatures up to +150 °C. The device meets ISO 7637-2 surge immunity requirements for load dump and inductive switching transients. SMCG9.0A-M3/57T is commonly deployed in BCMs, telematics units, and infotainment power rails.
What does the "M3" suffix indicate in SMCG9.0A-M3/57T?
The "M3" suffix in SMCG9.0A-M3/57T denotes halogen-free, RoHS-compliant construction meeting IEC 61249-2-21 and JEDEC J-STD-020 MSL Level 1 (peak reflow temperature 260 °C). It also signifies compliance with JESD201 Class 2 whisker resistance testing. Unlike "E3", M3 excludes brominated flame retardants and antimony trioxide, making SMCG9.0A-M3/57T suitable for environmentally regulated automotive and industrial supply chains.
How does the SMCG9.0A-M3/57T differ from the SMCG9.0CA variant?
The SMCG9.0A-M3/57T is unidirectional, with polarity marked by a cathode band and intended for DC rail protection where directionality matters. In contrast, SMCG9.0CA is bidirectional, with no polarity marking and symmetric breakdown in both directions-used for AC-coupled or differential signal lines like CAN or RS-485. Their VBR, VC, and PPPM are identical, but SMCG9.0A-M3/57T supports forward conduction and IFSM (200 A), which SMCG9.0CA does not specify.
What is the recommended PCB pad layout for optimal thermal and electrical performance of SMCG9.0A-M3/57T?
Vishay specifies a minimum 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pad area per terminal for rated power dissipation. The SMCG9.0A-M3/57T must be mounted on these pads to achieve its specified RθJA of 75 °C/W and sustain 1500 W peak pulse power. Thermal vias under pads are recommended for high-duty-cycle applications. Pad dimensions and spacing follow DO-215AB mechanical drawings in the datasheet (Document Number: 88457). Deviating reduces surge handling and thermal margin. SMCG9.0A-M3/57T performance is validated only with this layout.
SMCG9.0A-M3/57T 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):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 97.4A
- 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)
SMCG9.0A-M3/57T FAQ
1.How can I place an order for SMCG9.0A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG9.0A-M3/57T 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 SMCG9.0A-M3/57T reliable?
The price and inventory of SMCG9.0A-M3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG9.0A-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCG9.0A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG9.0A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG9.0A-M3/57T?
SMCG9.0A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG9.0A-M3/57T 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 SMCG9.0A-M3/57T?
For technical support, including SMCG9.0A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG9.0A-M3/57T requirements.
6.How does Aetrix verify that SMCG9.0A-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG9.0A-M3/57T 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 SMCG9.0A-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCG9.0A-M3/57T?
All SMCG9.0A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG9.0A-M3/57T, 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 SMCG9.0A-M3/57T part is unused and in its original packaging.
Return procedure for SMCG9.0A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG9.0A-M3/57T Tags
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