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Vishay General Semiconductor - Diodes Division SMCJ10CA-M3/9AT
- Part No.:
- SMCJ10CA-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ10CA-M3/9AT.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,170
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Product details
Overview
SMCJ10CA-M3/9AT from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 1500 W peak pulse power rating, 10 V standoff voltage (VWM), and 17.0 V maximum clamping voltage (VC) at 88.2 A peak pulse current (IPPM). It protects signal lines and power rails in automotive sensor interfaces and industrial control I/O.
For engineers reviewing the SMCJ10CA-M3/9AT datasheet, SMCJ10CA-M3/9AT pinout, SMCJ10CA-M3/9AT application, or SMCJ10CA-M3/9AT equivalent, this device is selected for robust ESD and lightning-induced transient suppression where bidirectional clamping, low clamping ratio (VC/VWM = 1.7), and halogen-free RoHS compliance are required.
Technical Context
This bidirectional TVS operates symmetrically across both polarities, with breakdown voltage (VBR) specified at 11.1–12.3 V (min/max) at 1.0 mA test current. Its clamping behavior is defined under standardized 10/1000 µs surge waveform per ANSI/IEEE C62.35, delivering consistent 17.0 V VC up to 88.2 A IPPM while maintaining <1.0 µA reverse leakage at VWM.
Thermally, it features RθJA = 75 °C/W and RθJL = 15 °C/W, enabling reliable operation up to +150 °C junction temperature. The glass-passivated junction ensures stable performance under repetitive surge stress, and MSL level 1 qualification supports lead-free reflow up to 260 °C peak.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 11.1 V / 12.3 V - Breakdown occurs within this range at 1.0 mA, ensuring predictable turn-on threshold |
| VC @ IPPM | 17.0 V - Clamped voltage seen by protected circuit during full 88.2 A 10/1000 µs surge |
| PPPM | 1500 W - Peak surge energy handling capability under standard waveform, critical for IEC 61000-4-5 Level 4 compliance |
| ID @ VWM | <1.0 µA - Ultra-low leakage preserves signal integrity in high-impedance sensor or communication lines |
| TJ max | +150 °C - Enables use in under-hood automotive and industrial environments without derating |
| Package | SMC (DO-214AB) - Standardized 8.13 mm × 6.22 mm outline with matte tin leads, compatible with automated SMT placement |
Pinout & Package
SMCJ10CA-M3/9AT uses the SMC (DO-214AB) surface-mount package: 2-terminal, non-polarized bidirectional configuration with no cathode marking. Dimensions: 8.13 mm × 6.22 mm × 2.62 mm (L × W × H); thermal pad layout per Vishay recommended 8.0 mm × 8.0 mm copper area per terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Bidirectional surge path | Either terminal serves as anode or cathode depending on transient polarity; no polarity marking required |
| Case (body) | Thermal conduction path | Metallized plastic body conducts heat to PCB copper pads; requires minimum 8.0 mm × 8.0 mm pad per terminal for rated PPPM |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns |
| 1500 W peak pulse power | Meets IEC 61000-4-5 surge immunity requirements for industrial and automotive applications |
| Clamping ratio VC/VWM = 1.7 | Minimizes overvoltage stress on downstream ICs compared to higher-ratio suppressors |
| Halogen-free, RoHS-compliant (M3 suffix) | Satisfies environmental compliance for global OEMs and Tier 1 automotive suppliers |
| MSL Level 1, 260 °C peak reflow | Supports standard lead-free assembly without moisture sensitivity handling |
Applications
| Automotive Sensor Interface | Industrial PLC Analog Input |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bidirectional TVS placed at connector entry point to clamp ±100 V transients before reaching signal conditioning circuitry. Use Value: Prevents latch-up or permanent damage to 3.3 V/5 V microcontrollers and ADC front-ends during vehicle battery disconnection events. | Use Scenario: Shielding 4–20 mA current loop inputs in programmable logic controllers from field wiring surges and ESD. IC Role / Device Role / Timing Role: Low-leakage (≤1 µA) bidirectional suppressor mounted directly at terminal block to limit voltage excursion to ≤17 V. Use Value: Maintains loop accuracy and avoids false triggering of fault detection circuits during 1 kV/500 A surge tests. |
| Telecom Line Card Protection | Consumer USB Port ESD Guard |
Use Scenario: Safeguarding Ethernet PHY interface pins and PoE controller inputs against lightning-induced common-mode surges. IC Role / Device Role / Timing Role: Paired SMCJ10CA-M3/9AT devices used in differential mode across twisted pairs to suppress >1 kV transients. Use Value: Achieves <10 ns response time and clamps induced voltages below PHY IC absolute maximum ratings (±16 V). | Use Scenario: Adding secondary-level surge protection to USB 2.0 data lines (D+/D−) alongside primary ESD arrays. IC Role / Device Role / Timing Role: High-power backup suppressor absorbing multi-kV contact ESD events that exceed integrated array limits. Use Value: Extends system-level IEC 61000-4-2 immunity from ±8 kV to ±15 kV by sharing surge current with primary protection. |
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-E3/61T | Lower PPPM (400 W), smaller SMA package (DO-214AC), higher VC (18.2 V) | Restricted to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 | Select when board space is constrained and surge threat level is limited to IEC 61000-4-2 ESD only |
| SMCJ10CAHM3_A/I | Identical electrical specs; AEC-Q101 qualified, halogen-free, 13" reel (I code) | Required for automotive production programs needing automotive-grade qualification | Choose for new automotive designs requiring formal AEC-Q101 validation and traceability |
Compared with SMAJ10CA-E3/61T, SMCJ10CA-M3/9AT delivers 275 % more surge power handling and tighter clamping; versus SMCJ10CAHM3_A/I, it shares identical protection performance but lacks AEC-Q101 certification, making it suitable for industrial/commercial use where automotive qualification is not mandated.
Availability
SMCJ10CA-M3/9AT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC analog inputs, telecom line card protection, and consumer USB port ESD guard applications requiring stable component supply and halogen-free compliance.
Supply support for SMCJ10CA-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 SMCJ series is engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom systems where robustness against lightning, load dump, and ESD is mission-critical.
FAQ
What does the "CA" suffix indicate in SMCJ10CA-M3/9AT?
The "CA" suffix denotes a bidirectional configuration, meaning the SMCJ10CA-M3/9AT provides symmetrical clamping for both positive and negative transients without polarity dependence. This eliminates the need for orientation during placement and enables protection of AC-coupled or floating signal paths, unlike unidirectional variants (e.g., SMCJ10A) which require correct cathode alignment.
How does the clamping voltage of SMCJ10CA-M3/9AT compare to its standoff voltage?
The SMCJ10CA-M3/9AT has a 10 V standoff voltage (VWM) and a maximum clamping voltage (VC) of 17.0 V at 88.2 A, yielding a clamping ratio of 1.7. This tight ratio ensures protected circuits experience minimal overvoltage during surge events-critical for safeguarding 3.3 V or 5 V logic interfaces where exceeding absolute maximum ratings causes immediate failure.
Is SMCJ10CA-M3/9AT suitable for automotive applications?
SMCJ10CA-M3/9AT is halogen-free and RoHS-compliant but not AEC-Q101 qualified. It is appropriate for non-safety-critical automotive subsystems (e.g., infotainment, body electronics) where commercial-grade qualification suffices. For powertrain or ADAS modules requiring automotive-grade validation, the AEC-Q101 variant SMCJ10CAHM3_A/I must be used instead of SMCJ10CA-M3/9AT.
What is the thermal resistance profile of SMCJ10CA-M3/9AT and how does it affect PCB layout?
SMCJ10CA-M3/9AT has RθJA = 75 °C/W and RθJL = 15 °C/W. To achieve rated 1500 W peak pulse power, Vishay specifies mounting on 8.0 mm × 8.0 mm copper pads per terminal. Reducing pad size increases junction temperature rise during surge, potentially degrading clamping consistency and long-term reliability-so strict adherence to the recommended layout is essential for SMCJ10CA-M3/9AT performance.
Can SMCJ10CA-M3/9AT replace SMCJ10A in an existing design?
No-SMCJ10CA-M3/9AT is bidirectional while SMCJ10A is unidirectional. Substituting them without circuit review risks improper clamping during negative transients and may expose downstream components to damaging reverse voltage. The SMCJ10CA-M3/9AT requires no polarity marking, whereas SMCJ10A's cathode band must align correctly; layout and schematic changes are necessary for functional equivalence.
SMCJ10CA-M3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- 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 (SMC)
SMCJ10CA-M3/9AT FAQ
1.How can I place an order for SMCJ10CA-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ10CA-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 SMCJ10CA-M3/9AT reliable?
The price and inventory of SMCJ10CA-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 SMCJ10CA-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ10CA-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ10CA-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ10CA-M3/9AT?
SMCJ10CA-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ10CA-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 SMCJ10CA-M3/9AT?
For technical support, including SMCJ10CA-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ10CA-M3/9AT requirements.
6.How does Aetrix verify that SMCJ10CA-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ10CA-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 SMCJ10CA-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ10CA-M3/9AT?
All SMCJ10CA-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ10CA-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 SMCJ10CA-M3/9AT part is unused and in its original packaging.
Return procedure for SMCJ10CA-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ10CA-M3/9AT Tags
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