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Vishay General Semiconductor - Diodes Division SMCJ6.0CA-M3/9AT
- Part No.:
- SMCJ6.0CA-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ6.0CA-M3/9AT.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,347
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Product details
Overview
SMCJ6.0CA-M3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for robust ESD and surge protection on signal/power lines. It features a 6.0 V stand-off voltage (VWM), 6.67–7.37 V breakdown voltage (VBR) at 10 mA, 1500 W peak pulse power (10/1000 µs), and clamps transients to ≤10.3 V at 145.6 A IPPM - deployed in automotive sensor interfaces and industrial I/O protection.
For engineers reviewing the SMCJ6.0CA-M3/9AT datasheet, SMCJ6.0CA-M3/9AT pinout, SMCJ6.0CA-M3/9AT application, or SMCJ6.0CA-M3/9AT equivalent, key selection criteria include bidirectional clamping capability, 1500 W surge rating, halogen-free RoHS-compliant construction (M3 suffix), -55 °C to +150 °C operating junction range, and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, delivering consistent clamping performance without polarity dependency. Its glass-passivated junction ensures low leakage (<1000 µA at VWM) and stable breakdown characteristics across temperature, with a 0.059 %/°C VBR temperature coefficient.
The device meets MSL Level 1 per J-STD-020 (peak reflow 260 °C), supports 200 A non-repetitive forward surge (IFSM), and exhibits low incremental surge resistance - critical for fast transient suppression in automotive and industrial environments where inductive switching and lightning-induced surges occur.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - maximum continuous reverse working voltage before clamping initiates; defines safe operating margin for 5 V systems. |
| VBR min/max | 6.67 V / 7.37 V at 10 mA - guaranteed breakdown threshold ensuring predictable turn-on during overvoltage events. |
| VC @ IPPM | 10.3 V at 145.6 A - clamped voltage under full 1500 W surge, limiting stress on downstream ICs like microcontrollers or CAN transceivers. |
| PPPM | 1500 W (10/1000 µs waveform) - high-energy surge handling capacity suitable for ISO 7637-2 Pulse 5a/b and IEC 61000-4-5 Level 4 compliance. |
| TJ max | +150 °C - enables reliable operation in under-hood automotive or high-ambient industrial enclosures without derating. |
| Package | SMC (DO-214AB) - surface-mount outline with 7.75 mm × 6.22 mm footprint, optimized for thermal dissipation via 8.0 mm × 8.0 mm copper pads. |
| Construction | Halogen-free, RoHS-compliant (M3 suffix) - meets environmental requirements for automotive and industrial OEM supply chains. |
Pinout & Package
SMCJ6.0CA-M3/9AT uses the SMC (DO-214AB) package - a two-terminal, bidirectional surface-mount device with no polarity marking. The case is molded in UL 94 V-0 rated compound; terminals are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Either terminal serves as anode or cathode depending on transient polarity; symmetrical conduction eliminates orientation constraints during PCB layout. |
| Terminal 2 | Anode/Cathode (bidirectional) | Paired terminal completing the bidirectional path; enables clamping of positive and negative transients across the same device pair. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines (e.g., RS-485, CAN bus) without external polarity management. |
| 1500 W peak pulse power | Withstands high-energy transients such as load dump spikes and lightning-induced surges in automotive and telecom infrastructure. |
| Low clamping voltage (10.3 V) | Provides tighter voltage margin than unidirectional equivalents, reducing risk of latch-up or damage to 5 V logic and analog front-ends. |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C without moisture-related popcorning, eliminating pre-bake requirements in high-volume SMT lines. |
| AEC-Q101 qualified option | Available in HM3 variant (e.g., SMCJ6.0CAHM3_A/I) for automotive applications requiring validated reliability and traceability. |
Applications
| Automotive Sensor Interface | Industrial RS-485 Bus |
|---|---|
|
Use Scenario: Protecting ABS wheel speed sensors and engine crankshaft position sensors from inductive switching noise and battery load dump pulses. IC Role / Device Role / Timing Role: Bidirectional TVS placed across differential sensor output lines to clamp ±100 V transients while preserving signal integrity. Use Value: Prevents false triggering or permanent damage to analog front-end amplifiers and ADC inputs by limiting voltage excursion to ≤10.3 V during 145.6 A surges. |
Use Scenario: Safeguarding RS-485 transceivers in factory automation PLCs exposed to ground loop surges and ESD events on long cable runs. IC Role / Device Role / Timing Role: Placed between A/B bus lines and ground to absorb common-mode transients while maintaining DC bias stability. Use Value: Ensures uninterrupted communication during 1500 W surges by clamping differential transients within the transceiver's absolute maximum ratings (±15 V). |
| Consumer Power Adapter Input | Telecom DSL Line Protection |
|
Use Scenario: Secondary-side overvoltage protection in USB-C PD adapters against flyback transformer ringing and capacitor discharge spikes. IC Role / Device Role / Timing Role: Connected across 5 V output rails to suppress fast-rising transients (<1 ns rise time) before reaching USB controller ICs. Use Value: Maintains compliance with IEC 62368-1 by limiting transient energy delivered to downstream silicon, avoiding thermal runaway in LDO regulators. |
Use Scenario: Front-end protection of ADSL/VDSL line drivers against lightning-induced surges entering via telephone wiring. IC Role / Device Role / Timing Role: Installed between tip/ring and ground in hybrid coupler circuits to shunt >1 kV transients away from sensitive line interface ICs. Use Value: Achieves ITU-T K.21 Basic Protection Level by clamping 10/1000 µs surges to <11 V, preserving signal-to-noise ratio during burst-mode operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC5.0-01A | Lower PPPM (600 W), smaller SOD-123FL package, unidirectional only | Limited to low-energy consumer electronics; unsuitable for automotive load dump or industrial surge standards | Select when board space is constrained and surge energy is <500 W; requires separate devices for bidirectional protection. |
| SMCJ6.0A-M3/9AT | Unidirectional version with identical VWM, VBR, and PPPM but cathode band marking and asymmetric clamping | Requires polarity-aware layout; used where ground-referenced transients dominate (e.g., power rail protection) | Choose for cost-sensitive 5 V rail clamping where reverse polarity events are negligible and layout allows orientation control. |
Compared with SAC5.0-01A and SMCJ6.0A-M3/9AT, the SMCJ6.0CA-M3/9AT uniquely delivers bidirectional 1500 W surge immunity in a standardized SMC footprint - enabling simplified design for floating or AC-coupled interfaces without polarity constraints or additional components.
Availability
SMCJ6.0CA-M3/9AT is available at Aetrix Electronics and suitable for automotive sensor protection, industrial RS-485 networks, consumer power adapter safety, and telecom DSL line hardening requiring stable component supply and halogen-free compliance.
Supply support for SMCJ6.0CA-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 was engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where failure tolerance, thermal robustness, and AEC-Q101 qualification matter.
FAQ
What is the clamping voltage of SMCJ6.0CA-M3/9AT at its rated peak pulse current?
The SMCJ6.0CA-M3/9AT clamps to a maximum of 10.3 V at its rated peak pulse current of 145.6 A (10/1000 µs waveform). This value is measured under standardized test conditions with the device mounted on 8.0 mm × 8.0 mm copper pads per JEDEC guidelines. The low clamping voltage ensures downstream 5 V ICs remain within safe operating limits during surge events, making SMCJ6.0CA-M3/9AT especially effective in protecting sensitive analog and digital circuitry.
Is SMCJ6.0CA-M3/9AT suitable for automotive applications?
Yes, SMCJ6.0CA-M3/9AT is suitable for automotive applications as a commercial-grade TVS; an AEC-Q101 qualified variant (SMCJ6.0CAHM3_A/I) is also available. The base SMCJ6.0CA-M3/9AT meets key requirements including -55 °C to +150 °C operating junction temperature, MSL Level 1 reflow compatibility, and 1500 W surge capability - sufficient for many body electronics and infotainment subsystems. For powertrain or ADAS modules requiring certified reliability, the HM3 variant should be specified instead of SMCJ6.0CA-M3/9AT.
How does the bidirectional design of SMCJ6.0CA-M3/9AT affect PCB layout?
The bidirectional design of SMCJ6.0CA-M3/9AT eliminates polarity marking and orientation constraints - either terminal functions identically regardless of voltage polarity. This simplifies PCB layout by removing the need for cathode band alignment, enabling direct placement across differential pairs (e.g., CAN_H/CAN_L or RS-485 A/B) without concern for directionality. As a result, SMCJ6.0CA-M3/9AT reduces assembly errors and supports automated optical inspection (AOI) without polarity verification steps, unlike unidirectional variants such as SMCJ6.0A-M3/9AT.
What is the thermal resistance of SMCJ6.0CA-M3/9AT, and how does it impact power dissipation?
The SMCJ6.0CA-M3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-lead resistance (RθJL) of 15 °C/W. These values indicate moderate self-heating under continuous DC conditions but emphasize reliance on PCB copper area for transient energy dissipation. Since TVS devices operate intermittently, the 75 °C/W RθJA is relevant mainly for steady-state leakage power (≤6.5 W PD rating); actual surge handling depends on pad layout - the datasheet specifies 8.0 mm × 8.0 mm copper pads to achieve full 1500 W PPPM capability for SMCJ6.0CA-M3/9AT.
Does SMCJ6.0CA-M3/9AT meet RoHS and halogen-free requirements?
Yes, SMCJ6.0CA-M3/9AT is halogen-free and RoHS-compliant, as confirmed by the "M3" suffix in its ordering code. Vishay specifies that M3-suffixed parts meet JEDEC JS-001 and IEC 61249-2-21 standards for bromine and chlorine content (<900 ppm each) and total halogens (<1500 ppm). This makes SMCJ6.0CA-M3/9AT acceptable for export to EU, China, and other regulated markets requiring strict environmental compliance - distinct from E3-suffixed variants which are RoHS-compliant but not halogen-free.
SMCJ6.0CA-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):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 145.6A
- 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)
SMCJ6.0CA-M3/9AT FAQ
1.How can I place an order for SMCJ6.0CA-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ6.0CA-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 SMCJ6.0CA-M3/9AT reliable?
The price and inventory of SMCJ6.0CA-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 SMCJ6.0CA-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ6.0CA-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ6.0CA-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ6.0CA-M3/9AT?
SMCJ6.0CA-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ6.0CA-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 SMCJ6.0CA-M3/9AT?
For technical support, including SMCJ6.0CA-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ6.0CA-M3/9AT requirements.
6.How does Aetrix verify that SMCJ6.0CA-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ6.0CA-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 SMCJ6.0CA-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ6.0CA-M3/9AT?
All SMCJ6.0CA-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ6.0CA-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 SMCJ6.0CA-M3/9AT part is unused and in its original packaging.
Return procedure for SMCJ6.0CA-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ6.0CA-M3/9AT Tags
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