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Vishay General Semiconductor - Diodes Division SMCJ60CA-M3/9AT
- Part No.:
- SMCJ60CA-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ60CA-M3/9AT.pdf
- Description:
- TVS DIODE 60VWM 96.8VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,563
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Product details
Overview
SMCJ60CA-M3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust overvoltage protection of DC power rails and signal lines. It features a 60 V standoff voltage (VWM), 66.7–73.7 V breakdown voltage (VBR) at 1 mA, 1500 W peak pulse power (10/1000 μs), 96.8 V clamping voltage at 15.5 A surge current, and operates from –55 °C to +150 °C - deployed in automotive power supply inputs and industrial sensor interfaces.
For engineers reviewing the SMCJ60CA-M3/9AT datasheet, SMCJ60CA-M3/9AT pinout, SMCJ60CA-M3/9AT application, or SMCJ60CA-M3/9AT equivalent, key selection criteria include bidirectional clamping capability, halogen-free RoHS compliance (M3 suffix), 1500 W surge rating, junction temperature derating above 25 °C, and compatibility with automated SMT placement on 8 mm × 8 mm copper pads.
Technical Context
This device functions as a voltage-clamped crowbar during transients, leveraging an avalanche breakdown mechanism to shunt surge energy away from protected circuitry. Its bidirectional symmetry ensures identical clamping behavior for positive and negative polarity surges, eliminating polarity sensitivity in AC-coupled or floating signal paths.
The SMCJ60CA-M3/9AT exhibits low incremental surge resistance and fast response time (<1 ns), enabling effective suppression of ESD, lightning-induced spikes, and inductive switching transients. Thermal resistance is specified at RθJA = 75 °C/W (on recommended pad layout) and RθJL = 15 °C/W, supporting reliable operation under repetitive surge conditions when properly heatsinked.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 60 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 66.7 V / 73.7 V at 1 mA - guaranteed avalanche onset range defining turn-on threshold |
| VC @ IPPM | 96.8 V at 15.5 A - clamped voltage seen by protected circuit during full-rated 10/1000 μs surge |
| PPPM | 1500 W - peak transient power handling capacity per single 10/1000 μs waveform |
| TJ range | –55 °C to +150 °C - operational junction temperature window supporting under-hood automotive use |
| Package | SMC (DO-214AB) - surface-mount outline with 7.75 mm × 6.22 mm body and 2.62 mm lead spacing |
| Compliance | Halogen-free, RoHS-compliant (M3 suffix); meets JESD201 Class 2 whisker resistance |
Pinout & Package
SMCJ60CA-M3/9AT uses the standard SMC (DO-214AB) package: a 2-terminal, non-polarized surface-mount device with no cathode/anode marking - consistent with bidirectional TVS construction. Terminals are matte tin-plated, solderable per J-STD-002 and JESD22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode / Cathode (bidirectional) | Either terminal serves as input/output path; symmetrical conduction enables polarity-agnostic placement |
| Terminal 2 | Anode / Cathode (bidirectional) | Electrically identical to Terminal 1; no polarity marking required on device body |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC signals or floating buses without polarity concerns |
| 1500 W peak pulse power | Supports IEC 61000-4-5 Level 4 (4 kV) surge immunity when paired with appropriate PCB layout |
| Low clamping ratio (VC/VBR ≈ 1.4) | Minimizes voltage overshoot across protected ICs, reducing risk of latch-up or gate oxide stress |
| MSL Level 1 (260 °C peak) | Compatible with standard lead-free reflow profiles without moisture sensitivity handling |
| Halogen-free & RoHS-compliant (M3) | Fulfills environmental compliance requirements for automotive and industrial end equipment |
Applications
| Automotive Power Input Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs against load dump (ISO 16750-2) and jump-start transients. IC Role / Device Role / Timing Role: Bidirectional TVS placed at main power entry point to clamp surges before DC/DC converters and microcontrollers. Use Value: Withstands 1500 W pulses and operates up to +150 °C, meeting under-hood thermal and surge requirements without derating. | Use Scenario: Shielding analog outputs of pressure/temperature sensors from ESD and cable discharge events. IC Role / Device Role / Timing Role: Low-capacitance TVS (typ. <50 pF) placed directly at connector interface to limit voltage excursion on 0–5 V or 4–20 mA lines. Use Value: 96.8 V clamping ensures downstream op-amps and ADCs remain within absolute maximum ratings during ±8 kV contact ESD (IEC 61000-4-2). |
| Telecom DC Power Feeds | Consumer Equipment USB/UART Lines |
Use Scenario: Safeguarding PoE-powered switches and base stations from induced lightning surges on 48 V DC distribution lines. IC Role / Device Role / Timing Role: Primary-level TVS on input rail, coordinated with secondary-stage MOVs and gas discharge tubes for staged protection. Use Value: 60 V VWM aligns with 48 V nominal systems while allowing headroom for ripple and regulation tolerance before clamping activates. | Use Scenario: Adding board-level ESD immunity to USB 2.0 data lines or UART debug ports in smart home hubs. IC Role / Device Role / Timing Role: Bidirectional TVS placed adjacent to connector to absorb fast-rising ESD pulses before reaching PHY transceivers. Use Value: Symmetric clamping prevents signal distortion on differential pairs; M3 suffix ensures compliance with consumer electronics environmental mandates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ60CA-M3 | Lower PPPM (600 W), same VWM/VBR/VC, SMB package (smaller footprint, higher RθJA) | Suitable for space-constrained designs with lower surge exposure (e.g., USB ports vs. power inputs) | Select when board area is critical and surge threat level is ≤ Level 3 (2 kV IEC 61000-4-5) |
| SMCJ60A-M3/9AT | Unidirectional version; same VWM/VBR/VC/PPPM but requires correct polarity orientation | Applicable only where circuit ground reference is fixed and reverse voltage cannot occur | Choose only if system architecture guarantees unidirectional transients and polarity alignment can be assured |
Compared with SMBJ60CA-M3 and SMCJ60A-M3/9AT, the SMCJ60CA-M3/9AT provides the highest surge robustness in a bidirectional configuration - making it optimal for unprotected DC rails and floating interfaces where polarity uncertainty or dual-polarity threats exist.
Availability
SMCJ60CA-M3/9AT is available at Aetrix Electronics and suitable for automotive power modules, industrial sensor nodes, telecom power supplies, and consumer USB protection requiring stable component supply and halogen-free compliance.
Supply support for SMCJ60CA-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, power efficiency, and automotive-grade qualification.
The SMCJ series targets high-energy transient suppression in harsh environments; its design prioritizes high-power clamping, thermal stability, and AEC-Q101 readiness for mission-critical automotive and industrial applications.
FAQ
What is the clamping voltage of SMCJ60CA-M3/9AT at its rated peak pulse current?
The SMCJ60CA-M3/9AT has a maximum clamping voltage (VC) of 96.8 V at its rated peak pulse current (IPPM) of 15.5 A under a 10/1000 μs waveform. This value is measured per ANSI/IEEE C62.35 standards and defines the upper voltage limit imposed on protected circuitry during worst-case surge events. The SMCJ60CA-M3/9AT maintains this clamping performance across its full operating temperature range.
Is SMCJ60CA-M3/9AT suitable for automotive applications?
Yes, the SMCJ60CA-M3/9AT is qualified to AEC-Q101 when ordered with HE3 or HM3 suffixes; however, the M3 suffix indicates halogen-free RoHS compliance but not automotive qualification. For automotive use, specify SMCJ60CA-HM3/9AT. The SMCJ60CA-M3/9AT itself supports the temperature range (–55 °C to +150 °C) and surge robustness required in many non-safety-critical automotive subsystems, but formal AEC-Q101 validation applies only to HM3 variants.
How does the bidirectional nature of SMCJ60CA-M3/9AT affect PCB layout?
The bidirectional nature of SMCJ60CA-M3/9AT eliminates polarity constraints during placement - no cathode band or orientation marking is present, and either terminal may connect to line or return. This simplifies routing on differential or floating nets and avoids errors in high-volume assembly. The SMCJ60CA-M3/9AT requires symmetric 8.0 mm × 8.0 mm copper pads per terminal for optimal thermal and surge performance, per Vishay's recommended layout.
What is the thermal resistance of SMCJ60CA-M3/9AT, and how does it impact power dissipation?
The SMCJ60CA-M3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on minimum recommended pad layout, and junction-to-lead resistance (RθJL) of 15 °C/W. These values govern steady-state power handling: at 25 °C ambient, its 6.5 W continuous power dissipation rating assumes adequate copper area. Under surge conditions, thermal mass dominates, but repeated pulses require verification of average power and junction temperature rise using the transient thermal impedance curve (Fig. 5 in datasheet).
Does SMCJ60CA-M3/9AT meet lead-free reflow requirements?
Yes, the SMCJ60CA-M3/9AT meets MSL Level 1 per J-STD-020 with a maximum peak reflow temperature of 260 °C, making it compatible with standard lead-free soldering processes. Its matte tin-plated leads comply with J-STD-002 and JESD22-B102 for solderability, and the M3 suffix confirms halogen-free, RoHS-compliant construction - satisfying both process and environmental requirements for modern electronics manufacturing.
SMCJ60CA-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):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 15.5A
- 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)
SMCJ60CA-M3/9AT FAQ
1.How can I place an order for SMCJ60CA-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ60CA-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 SMCJ60CA-M3/9AT reliable?
The price and inventory of SMCJ60CA-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 SMCJ60CA-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ60CA-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ60CA-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ60CA-M3/9AT?
SMCJ60CA-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ60CA-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 SMCJ60CA-M3/9AT?
For technical support, including SMCJ60CA-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ60CA-M3/9AT requirements.
6.How does Aetrix verify that SMCJ60CA-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ60CA-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 SMCJ60CA-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ60CA-M3/9AT?
All SMCJ60CA-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ60CA-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 SMCJ60CA-M3/9AT part is unused and in its original packaging.
Return procedure for SMCJ60CA-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ60CA-M3/9AT Tags
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