Vishay General Semiconductor - Diodes Division SMCG10CA-M3/9AT
- Part No.:
- SMCG10CA-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG10CA-M3/9AT.pdf
- Description:
- TVS DIODE 10VWM 17VC DO215AB
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SMCG10CA-M3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection on signal and power lines. It features a 10 V stand-off voltage (VWM), 17.0 V maximum clamping voltage (VC) at 88.2 A peak pulse current (IPPM), and 1500 W peak pulse power dissipation (PPPM) with a 10/1000 μs waveform - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the SMCG10CA-M3/9AT datasheet, SMCG10CA-M3/9AT pinout, SMCG10CA-M3/9AT application, or SMCG10CA-M3/9AT equivalent, key selection criteria include bidirectional clamping symmetry, AEC-Q101 qualification, halogen-free RoHS compliance (M3 suffix), and DO-215AB thermal performance under repetitive surge stress.
Technical Context
This device operates as a voltage-clamped crowbar during transients, leveraging an avalanche breakdown mechanism with symmetrical bidirectional conduction. Its glass-passivated junction ensures stable VBR (11.1–12.3 V) and low incremental surge resistance, enabling consistent clamping across temperature (−55 °C to +150 °C).
Designed for surface-mount automated placement, it meets MSL level 1 per J-STD-020 with 260 °C lead-free reflow peak, and delivers 75 °C/W junction-to-ambient thermal resistance on standard 8.0 mm × 8.0 mm copper pads - critical for sustained surge handling in compact PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 11.1 V / 12.3 V - guaranteed breakdown voltage range at 1.0 mA test current |
| VC @ IPPM | 17.0 V at 88.2 A - clamping voltage under 10/1000 μs surge, limiting downstream IC stress |
| PPPM | 1500 W - peak transient power absorption capability without failure |
| ID @ VWM | 5.0 μA - ultra-low leakage at stand-off voltage, minimizing standby power loss |
| TJ max | +150 °C - maximum junction temperature enabling operation in under-hood automotive environments |
| Package | SMCG (DO-215AB) - low-profile SMD outline with 0.31" × 0.31" pad footprint and matte tin leads |
Pinout & Package
SMCG10CA-M3/9AT uses the SMCG (DO-215AB) surface-mount package: dual-terminal, bidirectional, unmarked case with no polarity indicator. The device has no internal asymmetry - both terminals are electrically identical and interchangeable in circuit layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Either terminal serves as anode or cathode depending on transient polarity; no fixed polarity |
| Terminal 2 | Anode/Cathode (bidirectional) | Electrically identical to Terminal 1; symmetric conduction enables single-device bidirectional protection |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing |
| Halogen-free & RoHS compliant (M3) | Meets JEDEC JESD201 Class 2 whisker resistance and environmental compliance mandates |
| Low incremental surge resistance | Enables tighter VC/VBR ratio (17.0 V / 11.1 V ≈ 1.53), improving protection margin over competing TVS devices |
| MSL Level 1 rating | Allows unlimited floor life and supports standard 260 °C Pb-free reflow without baking |
| Glass-passivated junction | Ensures long-term parameter stability and reduced parameter drift under thermal and humidity stress |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt transients before reaching signal conditioning circuitry. Use Value: With 17.0 V clamping at 88.2 A and AEC-Q101 qualification, SMCG10CA-M3/9AT maintains signal integrity while surviving repeated 12 V system surges up to 1500 W. | Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against inductive kickback from solenoid/relay switching. IC Role / Device Role / Timing Role: Primary transient suppression device across input terminals, coordinated with series impedance to limit let-through energy. Use Value: 10 V VWM aligns with 24 V nominal supply derating rules, and 1500 W PPPM handles worst-case 10/1000 μs surges without degradation over >10⁴ events. |
| Consumer Power Adapter Interface | Telecom Line Card Surge Protection |
Use Scenario: Input-stage protection for USB-C PD adapters and AC/DC front-ends exposed to mains-borne transients per IEC 61000-4-5. IC Role / Device Role / Timing Role: First-line defense parallel to bulk capacitor, clamping line-to-line and line-to-ground surges before primary-side controller. Use Value: Halogen-free M3 construction satisfies regional environmental regulations, while 75 °C/W RθJA supports thermal management in sealed adapter enclosures. | Use Scenario: Secondary-side protection on Ethernet PHY interfaces and DSL line drivers subject to lightning-induced surges per GR-1089-CORE. IC Role / Device Role / Timing Role: Low-capacitance bidirectional clamp (typ. <50 pF) placed adjacent to RJ-45 magnetics to avoid signal distortion. Use Value: Symmetric VBR (11.1–12.3 V) ensures equal clamping for positive/negative transients, preserving differential signal balance in high-speed data links. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10CA | Same VWM (10 V) and bidirectional configuration, but SMA (DO-214AC) package with higher RθJA (110 °C/W) and lower PPPM (400 W) | Limited to lower-energy transients; unsuitable for automotive load dump or industrial 1500 W surges | Select SMAJ10CA only for cost-sensitive consumer applications with <400 W surge requirements and larger board area available. |
| 1.5KE10CA | Higher PPPM (1500 W) and same VWM, but through-hole DO-15 package with slower response and no AEC-Q101 qualification | Not suitable for automated SMT assembly or automotive under-hood environments due to thermal and reliability limitations | Choose 1.5KE10CA only for legacy through-hole designs where rework tolerance and manual assembly are acceptable. |
Compared with SMAJ10CA and 1.5KE10CA, SMCG10CA-M3/9AT uniquely combines AEC-Q101 qualification, halogen-free SMT packaging, and full 1500 W surge capability - making it the only option qualified for next-generation automotive and industrial SMT platforms requiring zero rework and high-reliability surge immunity.
Availability
SMCG10CA-M3/9AT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom line card protection requiring stable component supply and full AEC-Q101 traceability.
Supply support for SMCG10CA-M3/9AT 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 targets high-energy transient suppression in space-constrained, thermally demanding environments - engineered specifically for AEC-Q101-compliant automotive electronics and ruggedized industrial control systems.
FAQ
What does the "CA" suffix indicate in SMCG10CA-M3/9AT?
The "CA" suffix denotes a bidirectional configuration, meaning SMCG10CA-M3/9AT provides symmetrical clamping for both positive- and negative-polarity transients. Unlike unidirectional variants (e.g., SMCG10A), it has no cathode marking and functions identically regardless of terminal orientation - essential for protecting AC-coupled or differential signal paths where polarity is undefined.
Is SMCG10CA-M3/9AT suitable for automotive applications?
Yes, SMCG10CA-M3/9AT is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, body electronics, and ADAS sensor interfaces. Its −55 °C to +150 °C operating range, MSL Level 1 reflow compatibility, and validation against temperature cycling, HTRB, and ESD ensure reliability in under-hood and cabin environments where SMCG10CA-M3/9AT is deployed.
How does the M3 suffix differ from E3 in SMCG10CA-M3/9AT?
The M3 suffix indicates halogen-free, RoHS-compliant construction meeting JEDEC JESD201 Class 2 whisker resistance, whereas E3 is RoHS-compliant but not halogen-free. Both are industrial grade, but SMCG10CA-M3/9AT satisfies stricter environmental mandates (e.g., EU ELV, Japanese JGPSSI) where brominated flame retardants are prohibited - critical for global automotive Tier 1 supply chains.
What is the maximum clamping voltage of SMCG10CA-M3/9AT under surge conditions?
The maximum clamping voltage (VC) of SMCG10CA-M3/9AT is 17.0 V when subjected to its rated 88.2 A peak pulse current (IPPM) with a 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and guarantees that downstream circuitry sees no more than 17.0 V during worst-case transient events - a key design parameter verified across production lots for SMCG10CA-M3/9AT.
Can SMCG10CA-M3/9AT be used in place of a unidirectional TVS like SMCG10A?
No - SMCG10CA-M3/9AT is strictly bidirectional and cannot replace unidirectional devices like SMCG10A in DC-biased circuits requiring cathode-anode polarity (e.g., power rail protection with defined ground reference). Attempting substitution risks improper clamping behavior; SMCG10CA-M3/9AT must only be used where bidirectional symmetry is required, such as AC signal lines or floating differential buses.
SMCG10CA-M3/9AT 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 88.2A
- 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)
SMCG10CA-M3/9AT FAQ
1.How can I place an order for SMCG10CA-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG10CA-M3/9AT 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 SMCG10CA-M3/9AT reliable?
The price and inventory of SMCG10CA-M3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG10CA-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG10CA-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG10CA-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG10CA-M3/9AT?
SMCG10CA-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG10CA-M3/9AT 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 SMCG10CA-M3/9AT?
For technical support, including SMCG10CA-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG10CA-M3/9AT requirements.
6.How does Aetrix verify that SMCG10CA-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG10CA-M3/9AT 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 SMCG10CA-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG10CA-M3/9AT?
All SMCG10CA-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG10CA-M3/9AT, 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 SMCG10CA-M3/9AT part is unused and in its original packaging.
Return procedure for SMCG10CA-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG10CA-M3/9AT Tags

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