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Vishay General Semiconductor - Diodes Division SMCJ110CA-M3/57T
- Part No.:
- SMCJ110CA-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ110CA-M3/57T.pdf
- Description:
- TVS DIODE 110VWM 177VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,276
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Product details
Overview
SMCJ110CA-M3/57T 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, 110 V standoff voltage (VWM), and 177 V maximum clamping voltage (VC) at 8.5 A peak pulse current. It protects sensitive ICs, MOSFETs, and sensor signal lines against inductive switching transients and lightning-induced surges in automotive and industrial systems.
For engineers reviewing the SMCJ110CA-M3/57T datasheet, SMCJ110CA-M3/57T pinout, SMCJ110CA-M3/57T application, or SMCJ110CA-M3/57T equivalent, key selection criteria include bidirectional clamping capability, 1500 W 10/1000 μs surge rating, halogen-free RoHS-compliant construction (M3 suffix), AEC-Q101 qualification eligibility, and compatibility with automated SMT placement on standard PCB pad layouts.
Technical Context
The SMCJ110CA-M3/57T operates as a voltage-clamping device that remains non-conductive below its 110 V standoff voltage (VWM) and rapidly transitions to low-impedance conduction when transient voltages exceed its 122–135 V breakdown range (VBR at 1 mA). Its bidirectional symmetry ensures identical clamping behavior in both polarities, eliminating polarity concerns in AC-coupled or floating signal paths.
Engineered for robust transient suppression, it delivers 177 V clamping voltage at 8.5 A (10/1000 μs waveform), exhibits <1.0 μA reverse leakage at VWM, and maintains thermal stability with 75 °C/W junction-to-ambient resistance. The glass-passivated junction and MSL Level 1 moisture sensitivity rating support reliable reflow soldering without preconditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 110 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 122 V / 135 V at 1 mA - Confirmed breakdown threshold range defining turn-on precision |
| VC @ IPPM | 177 V at 8.5 A - Clamped voltage during 10/1000 μs surge, limiting downstream stress |
| PPPM | 1500 W - Peak pulse power handling per single transient event under standard waveform |
| ID @ VWM | ≤1.0 μA - Ultra-low leakage ensuring minimal standby power loss and signal integrity |
| TJ max | +150 °C - Maximum junction temperature enabling operation in under-hood automotive environments |
| Package | SMC (DO-214AB) - Standardized 2-pin surface-mount outline with 8.0 mm × 8.0 mm copper pad thermal requirement |
Pinout & Package
SMCJ110CA-M3/57T uses the SMC (DO-214AB) package: a 2-terminal, non-polarized surface-mount outline with matte tin-plated leads, no cathode marking (bidirectional configuration), and mechanical dimensions of 7.75 mm × 6.22 mm × 2.62 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode / Cathode (bidirectional) | Either terminal serves as anode or cathode depending on instantaneous polarity - no polarity assignment required in circuit layout |
| Terminal 2 | Anode / Cathode (bidirectional) | Electrically symmetric to Terminal 1; enables placement across any two-point node without orientation constraints |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR, VC, and IPPM performance in both directions eliminates need for polarity-aware routing |
| 1500 W surge rating | Withstands IEC 61000-4-5 Level 4 (4 kV) surges when properly mounted on 8.0 mm × 8.0 mm copper pads |
| Halogen-free & RoHS | M3 suffix certifies compliance with JEDEC J-STD-20 MSL Level 1 and JESD201 Class 2 whisker resistance |
| Fast response time | Sub-nanosecond avalanche turn-on ensures protection before sensitive downstream components experience overvoltage |
| AEC-Q101 readiness | Base P/NHM3_X variant supports automotive qualification - this M3 version shares identical die and construction |
Applications
| Automotive Power Line Protection | Industrial Sensor Signal Conditioning |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller I/O pins from load-dump and jump-start transients on 12 V vehicle power rails. IC Role / Device Role / Timing Role: Voltage-clamping TVS placed between power rail and ground, acting as last-line defense against >100 V spikes. Use Value: Limits transient voltage to ≤177 V, preventing latch-up or gate oxide damage in 3.3 V/5 V automotive MCUs. | Use Scenario: Safeguarding analog outputs of pressure/temperature sensors connected to PLC analog input modules. IC Role / Device Role / Timing Role: Bidirectional shunt protector across differential or single-ended sensor output lines exposed to EMI and cable discharge events. Use Value: Maintains signal fidelity with <1.0 μA leakage at 110 V, while clamping fast-rising transients before ADC front-end saturation. |
| Telecom Interface Surge Protection | Consumer Appliance Motor Drive Protection |
Use Scenario: Shielding Ethernet PHY magnetics and PoE controller inputs from induced surges on outdoor cabling. IC Role / Device Role / Timing Role: Primary-level TVS across secondary-side DC bias lines feeding isolated data interfaces. Use Value: 1500 W rating handles multiple 10/1000 μs surges per IEC 61000-4-5 without degradation, supporting field-replaceable equipment design. | Use Scenario: Suppressing back-EMF spikes generated by brushed DC motors in washing machine control boards. IC Role / Device Role / Timing Role: Across motor terminals or H-bridge power FET drains to clamp inductive kickback during PWM commutation. Use Value: 177 V clamping prevents MOSFET avalanche failure during repeated 100+ V flyback events, extending drive reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ110CA-M3 | Lower PPPM (600 W), same VWM/VC, SMB package (smaller footprint, higher RθJA) | Reduced surge margin; suitable only for lower-energy transients or space-constrained designs | Select when board area is critical and surge threat level is ≤IEC 61000-4-5 Level 2 |
| SMCJ110A-M3/57T | Unidirectional variant; identical VWM/VC/PPPM but requires correct polarity orientation | Not usable in AC or floating nodes; adds layout constraint vs. bidirectional symmetry | Choose only if system topology guarantees consistent polarity and needs marginally lower leakage (<0.5 μA typical) |
Compared with SMBJ110CA-M3 and SMCJ110A-M3/57T, the SMCJ110CA-M3/57T uniquely balances 1500 W surge capacity, bidirectional flexibility, and standardized SMC thermal performance-making it optimal for automotive power domains and industrial sensor interfaces where polarity independence and high-energy immunity are jointly required.
Availability
SMCJ110CA-M3/57T is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor systems, telecom infrastructure, and consumer appliance designs requiring stable component supply and long-term production continuity.
Supply support for SMCJ110CA-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, automotive qualification, and high-volume manufacturability.
The SMCJ series targets high-energy transient suppression in harsh environments; it was engineered specifically for AEC-Q101-readiness, automated SMT assembly, and robust clamping performance across automotive, industrial, and telecom applications.
FAQ
What is the clamping voltage of SMCJ110CA-M3/57T at its rated peak pulse current?
The SMCJ110CA-M3/57T has a maximum clamping voltage (VC) of 177 V at 8.5 A peak pulse current under the standard 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 and defines the upper voltage limit imposed on protected circuits during surge events. The SMCJ110CA-M3/57T maintains this clamping performance identically in both directions due to its bidirectional construction.
Is SMCJ110CA-M3/57T qualified for automotive use?
The SMCJ110CA-M3/57T is halogen-free and RoHS-compliant (M3 suffix), and shares the same die and construction as the AEC-Q101-qualified HM3 variants (e.g., SMCJ110CAHM3_A/H). While the M3 suffix itself denotes commercial-grade qualification, the underlying device meets all electrical and mechanical requirements for automotive applications - full AEC-Q101 certification applies to HM3-suffixed part numbers with appropriate revision coding.
How does the bidirectional nature of SMCJ110CA-M3/57T affect PCB layout?
The SMCJ110CA-M3/57T has no polarity marking and identical electrical characteristics in both directions, so PCB layout requires no orientation alignment - either terminal may connect to line or return. This simplifies routing in AC-coupled, differential, or floating interfaces and eliminates risk of reverse installation. The SMCJ110CA-M3/57T's symmetry also avoids signal distortion in bidirectional data lines such as CAN or RS-485 stubs.
What is the thermal resistance of SMCJ110CA-M3/57T, and how does it impact power dissipation?
The SMCJ110CA-M3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on the recommended 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal. At 25 °C ambient, its steady-state power dissipation (PD) is rated at 6.5 W; derating begins above 25 °C per the datasheet curve. The SMCJ110CA-M3/57T relies on PCB copper for heat spreading rather than external heatsinking.
Can SMCJ110CA-M3/57T replace unidirectional TVS diodes in existing designs?
Yes - the SMCJ110CA-M3/57T can directly replace unidirectional equivalents (e.g., SMCJ110A-M3/57T) in most applications without layout changes, provided the circuit does not depend on forward conduction behavior. Its bidirectional symmetry ensures safe operation across AC signals or undefined polarity nodes. However, forward voltage drop (VF) is not specified for bidirectional types, so the SMCJ110CA-M3/57T should not be used where controlled forward conduction is required.
SMCJ110CA-M3/57T 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):
- 110V
- Voltage - Breakdown (Min):
- 122V
- Voltage - Clamping (Max) @ Ipp:
- 177V
- Current - Peak Pulse (10/1000µs):
- 8.5A
- 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)
SMCJ110CA-M3/57T FAQ
1.How can I place an order for SMCJ110CA-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ110CA-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 SMCJ110CA-M3/57T reliable?
The price and inventory of SMCJ110CA-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 SMCJ110CA-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ110CA-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ110CA-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ110CA-M3/57T?
SMCJ110CA-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ110CA-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 SMCJ110CA-M3/57T?
For technical support, including SMCJ110CA-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ110CA-M3/57T requirements.
6.How does Aetrix verify that SMCJ110CA-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ110CA-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 SMCJ110CA-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ110CA-M3/57T?
All SMCJ110CA-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ110CA-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 SMCJ110CA-M3/57T part is unused and in its original packaging.
Return procedure for SMCJ110CA-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ110CA-M3/57T Tags
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