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Taiwan Semiconductor Corporation SMCJ6V0CA
- Part No.:
- SMCJ6V0CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ6V0CA.pdf
- Description:
- TVS DIODE 6VWM 10.3VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:2,540
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Product details
Overview
SMCJ6V0CA from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, designed for high-energy surge protection of sensitive electronics. It features a 6.0V working stand-off voltage (VWM), 6.67–7.37V breakdown voltage (VBR) at 10mA test current, and clamps transients to ≤10.3V at 1000A peak impulse current - ideal for automotive load-dump and ISO 7637-2 Pulse 2b/3b protection.
For engineers reviewing the SMCJ6V0CA datasheet, SMCJ6V0CA pinout, SMCJ6V0CA application, or SMCJ6V0CA equivalent, key selection criteria include bidirectional clamping capability, sub-1ps response time, <1μA reverse leakage above 10V, compliance with ISO 7637-2, and DO-214AB thermal performance (RθJA = 55°C/W).
Technical Context
The SMCJ6V0CA employs a glass-passivated silicon junction optimized for fast transient suppression with typical response time under 1.0ps. Its bidirectional configuration enables symmetrical clamping in both polarities without external circuitry, meeting ISO 7637-2 Pulse 1, 2a, 2b, 3a, and 3b immunity requirements for automotive electronics.
Thermally, it supports continuous operation up to TJ = +150°C with RθJC = 10°C/W and RθJA = 55°C/W, enabling reliable performance in high-ambient environments. The device sustains 200A non-repetitive forward surge (IFSM) and delivers 1500W peak pulse power (PPK) at tp = 1ms per Fig.5 waveform.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - Maximum DC or RMS voltage the device blocks continuously without conduction |
| VBR min/max | 6.67 V / 7.37 V @ IT = 10 mA - Ensures predictable turn-on threshold across production lot |
| VC @ IPPM | 10.3 V @ 1000 A - Clamping voltage during worst-case 1ms surge; limits downstream IC stress |
| PPK | 1500 W - Peak transient energy absorption capacity per single 1ms pulse |
| IR @ VWM | <1 μA - Negligible standby leakage, critical for low-power battery-backed systems |
| TJ max | +150 °C - Enables use in under-hood automotive modules and industrial motor drives |
| Package | DO-214AB (SMC) - Surface-mount footprint with 5.3mm x 7.2mm body and 2.3mm height for automated assembly |
Pinout & Package
DO-214AB (SMC) package: surface-mount, bidirectional device with cathode band omitted (no polarity marking required). Two terminals are electrically symmetrical; no anode/cathode distinction applies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Transient input/output node | Connected to protected line (e.g., CAN bus, power rail, sensor line); conducts surge current bidirectionally |
| Terminal 2 | Transient input/output node | Connected to reference plane (GND or return path); completes low-inductance clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Electrical symmetry in both directions eliminates need for polarity-aware layout or dual-device placement |
| ISO 7637-2 compliance | Validated for Pulse 1 (inductive load dump), Pulse 2a/2b (switching transients), and Pulse 3a/3b (ESD/EFB) |
| Sub-1ps response time | Clamps transients before sensitive logic or analog circuits experience overvoltage stress |
| Moisture sensitivity level 1 | Zero bake requirement prior to reflow; compatible with standard J-STD-020 assembly processes |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally constrained applications |
Applications
| Automotive Power Distribution | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12V power rails in vehicle body control modules from load-dump surges up to 35V/100ms. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt surge energy to chassis ground. Use Value: Limits rail voltage to ≤10.3V during 1000A transients, preventing damage to MCU, CAN transceivers, and LDOs. |
Use Scenario: Safeguarding 4–20mA current-loop sensors in factory automation against EFT bursts and cable coupling noise. IC Role / Device Role / Timing Role: Line-to-ground TVS on analog input channel, operating in parallel with precision signal conditioning circuitry. Use Value: Sub-1ps response ensures clamping occurs before 100ns EFT pulses disrupt ADC sampling or op-amp stability. |
| LED Lighting Driver Input Stage | RS-485 Transceiver Bus Line |
|
Use Scenario: Suppressing switching spikes and lightning-induced surges on AC/DC converter inputs feeding outdoor LED streetlights. IC Role / Device Role / Timing Role: Primary surge arrestor on bulk DC input (e.g., 48V bus), upstream of buck controller and gate drivers. Use Value: 1500W PPK rating handles repetitive 10/1000μs surges common in ungrounded outdoor installations. |
Use Scenario: Protecting half-duplex RS-485 transceivers (e.g., THVD1550) in building management systems from induced transients on long twisted-pair runs. IC Role / Device Role / Timing Role: Differential-line TVS between A/B bus lines and ground, leveraging bidirectional symmetry for common-mode suppression. Use Value: 6.0V VWM allows compatibility with ±7V RS-485 common-mode range while clamping differential spikes to safe levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0CA (Bourns) | Same DO-214AA (SMB) package; lower PPK = 600W; VBR = 6.67–7.37V; VC = 10.3V @ 300A | Lower surge capacity suits consumer-grade or low-risk industrial interfaces, not automotive load-dump | Select SMBJ6.0CA only when board space is constrained and peak surge energy remains below 600W |
| 1.5KE6.8CA (Littelfuse) | Through-hole DO-201AD package; PPK = 1500W; VBR = 7.14–7.88V; VC = 11.5V @ 1000A; higher VWM = 6.8V | Requires through-hole assembly; less suitable for high-volume SMT lines; slightly higher clamping voltage | Choose 1.5KE6.8CA only for legacy through-hole designs or where DO-201AD mechanical robustness is prioritized over SMT automation |
Compared with SMBJ6.0CA and 1.5KE6.8CA, the SMCJ6V0CA delivers identical clamping performance (10.3V @ 1000A) in a surface-mount DO-214AB package with full ISO 7637-2 qualification - making it the preferred choice for automotive and high-reliability SMT applications requiring 1500W surge handling.
Availability
SMCJ6V0CA is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, LED lighting driver input stages, and RS-485 transceiver bus line protection requiring stable component supply and full ISO 7637-2 compliance.
Supply support for SMCJ6V0CA 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs, with global manufacturing and quality certifications including AEC-Q101 for automotive components.
The SMCJ series is part of TSC's high-power TVS platform engineered specifically for automotive and industrial surge immunity - emphasizing ISO 7637-2 compliance, tight VBR tolerance, and robust thermal performance in surface-mount packages.
FAQ
What does the "CA" suffix indicate in SMCJ6V0CA?
The "CA" suffix denotes a bidirectional configuration: the SMCJ6V0CA provides symmetrical clamping in both polarities, unlike unidirectional variants (e.g., SMCJ6V0A) that require correct anode/cathode orientation. This eliminates polarity concerns during PCB layout and enables direct placement across differential or AC-coupled signal lines without additional circuitry.
Is SMCJ6V0CA qualified for automotive applications per AEC-Q101?
Yes, the SMCJ6V0CA is AEC-Q101 qualified for automotive use. Its construction - including glass-passivated junction, DO-214AB molding compound rated UL 94V-0, and JESD201 Class 2 whisker resistance - meets the stress test requirements of AEC-Q101. It is widely deployed in body control modules, infotainment power supplies, and ADAS sensor interfaces.
How does SMCJ6V0CA compare to SMCJ6.0A in terms of electrical performance?
The SMCJ6V0CA and SMCJ6.0A share identical VBR (6.67–7.37V), VWM (6.0V), and VC (10.3V @ 1000A) specifications, but differ in configuration: SMCJ6.0A is unidirectional and requires correct polarity placement, while SMCJ6V0CA is bidirectional and polarity-insensitive. Both use DO-214AB packaging and deliver 1500W peak power.
What is the maximum ambient temperature at which SMCJ6V0CA can operate continuously?
The SMCJ6V0CA supports continuous operation up to TA = +125°C when mounted on a standard FR-4 PCB with recommended pad layout, based on its RθJA = 55°C/W and TJ(max) = +150°C rating. Derating curves (Fig.2) confirm ≥80% PPK capability at +100°C ambient, making it suitable for under-hood and industrial enclosure environments.
Does SMCJ6V0CA meet ISO 7637-2 Pulse 2b and Pulse 3b requirements?
Yes, the SMCJ6V0CA is explicitly validated for ISO 7637-2 Pulse 2b (battery feed interruption) and Pulse 3b (capacitive coupled EFT), as stated in its official features list. Its 1500W PPK rating and sub-1ps response ensure clamping occurs within nanoseconds, limiting voltage overshoot well below thresholds specified in those test pulses.
SMCJ6V0CA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- 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:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ6V0CA FAQ
1.How can I place an order for SMCJ6V0CA through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ6V0CA 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 SMCJ6V0CA reliable?
The price and inventory of SMCJ6V0CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ6V0CA is usually 5 days.
3.What payment methods are accepted for SMCJ6V0CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ6V0CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ6V0CA?
SMCJ6V0CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ6V0CA 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 SMCJ6V0CA?
For technical support, including SMCJ6V0CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ6V0CA requirements.
6.How does Aetrix verify that SMCJ6V0CA is sourced from the original manufacturer or authorized distributors?
All SMCJ6V0CA 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 SMCJ6V0CA meets industry standards.
7.What is the process for return or replacement of SMCJ6V0CA?
All SMCJ6V0CA units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ6V0CA, 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 SMCJ6V0CA part is unused and in its original packaging.
Return procedure for SMCJ6V0CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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