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Taiwan Semiconductor Corporation SMCJ5V0CA
- Part No.:
- SMCJ5V0CA
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ5V0CA.pdf
- Description:
- TVS DIODE 5VWM 9.2VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:4,495
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Product details
Overview
SMCJ5V0CA from Taiwan Semiconductor is a bidirectional 1500W transient voltage suppressor (TVS) diode in DO-214AB (SMC) package, with 5.0V working stand-off voltage (VWM), 6.4–7.0V breakdown voltage (VBR), and 9.2V maximum clamping voltage (VC) at 1000A peak pulse current - designed for automotive ESD and load-dump protection in power supply rails and CAN/LIN interfaces.
For engineers reviewing the SMCJ5V0CA datasheet, SMCJ5V0CA pinout, SMCJ5V0CA application, or SMCJ5V0CA equivalent, key selection criteria include clamping performance under ISO 7637-2 Pulse 1/2a/2b/3a/3b, bidirectional surge handling up to 1000A, and compliance with JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity.
Technical Context
The SMCJ5V0CA is a glass-passivated, bipolar TVS diode optimized for fast response (<1.0 ps rise time from 0 V to VBR min) and low leakage (<5 µA at 10 V). Its symmetrical I-V characteristics enable identical clamping in both directions, supporting robust protection of differential signal lines and ungrounded bus systems without polarity constraints.
Thermally, it features RθJA = 55°C/W and RθJC = 10°C/W, enabling reliable operation up to TJ = +150°C. It meets ISO 7637-2 immunity requirements for automotive electronics and supports repetitive surge events when derated per Fig.2 in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC/AC rail margin for 5V systems. |
| VBR @ IT=10mA | 6.4–7.0 V - Breakdown onset range; ensures predictable turn-on during transients while avoiding false triggering. |
| VC @ IPPM=1000A | 9.2 V - Clamped voltage under worst-case 1000A surge; limits downstream IC stress to sub-10V level. |
| PPK | 1500 W - Peak pulse power rating per 1ms waveform (Fig.5); supports high-energy automotive load dump events. |
| IR @ VWM | <5 µA - Reverse leakage at rated stand-off; negligible power loss and signal integrity impact in standby. |
| Package | DO-214AB (SMC) - Surface-mount outline with 0.210g mass and UL 94V-0 molding; compatible with automated placement and reflow. |
Pinout & Package
DO-214AB (SMC) package: molded plastic case with coplanar matte tin-plated leads; cathode band omitted (bidirectional device); polarity not applicable; weight ≈ 0.210 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode / Cathode (symmetrical) | Bidirectional surge path | No polarity marking required; terminals interchangeable; enables placement across any two-node interface without orientation check. |
| Case / Body | Thermal and mechanical reference | Non-conductive epoxy body; no electrical connection; provides thermal path to PCB copper for RθJA management. |
Key Features
| Feature | Design Value |
|---|---|
| ISO 7637-2 compliance | Validated against Pulse 1 (inductive switch-off), Pulse 2a/2b (battery disconnect/connect), and Pulse 3a/3b (transient coupling); eliminates need for external test validation. |
| Fast response time | <1.0 ps from 0 V to VBR min - faster than most microcontroller I/O propagation delays, ensuring protection activates before system damage occurs. |
| Moisture sensitivity | J-STD-020 Level 1 - zero bake requirement before reflow; supports standard SMT assembly without dry-pack handling. |
| RoHS & halogen-free | Compliant with RoHS Directive 2011/65/EU and IEC 61249-2-21 - meets automotive OEM material declarations and end-of-life recycling mandates. |
Applications
| Automotive Power Rail Protection | CAN/LIN Bus Transient Suppression |
|---|---|
Use Scenario: Protecting 5V microcontroller power inputs and sensor supply lines in engine control units (ECUs) exposed to ISO 7637-2 load dump and jump-start surges. IC Role / Device Role / Timing Role: Primary clamping element placed directly at power entry point, shunting surge energy to ground before reaching LDOs or MCU VDD pins. Use Value: Limits voltage excursion to ≤9.2V during 1000A transients, preventing latch-up or oxide breakdown in 5V-rated silicon. | Use Scenario: Safeguarding bidirectional CAN FD or LIN physical layer transceivers against ESD (IEC 61000-4-2) and coupled fast transients (IEC 61000-4-4). IC Role / Device Role / Timing Role: Differential-line TVS mounted across CAN_H/CAN_L or LIN bus, providing symmetrical clamping without bias network. Use Value: Maintains signal integrity by clamping common-mode surges to <9.2V while adding <1 pF junction capacitance - no data rate degradation at 5 Mbps. |
| Industrial Sensor Interface Protection | LED Driver Input Stage Clamp |
Use Scenario: Shielding analog front-end circuits (e.g., 4–20 mA loop receivers, RTD bridges) in factory automation modules from field-wiring induced surges. IC Role / Device Role / Timing Role: Standoff-clamp TVS placed between terminal block and signal conditioner IC, absorbing energy before op-amp input stages. Use Value: With VWM = 5.0V and VC = 9.2V, preserves ±10V input range headroom while blocking >1000A transients per IEC 61000-4-5. | Use Scenario: Securing constant-current LED driver ICs (e.g., ON Semi NCL30160) against inductive kickback from long cable runs in streetlight or signage systems. IC Role / Device Role / Timing Role: Bidirectional clamp across input capacitor terminals, diverting flyback energy from MOSFET switches during PWM dimming transitions. Use Value: 1500W PPK rating handles repetitive 100 µs–1 ms spikes without degradation; RθJC = 10°C/W enables stable thermal performance under 10 kHz switching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0CA | 600W PPK rating, same VWM/VBR/VC but lower IPPM (300A vs. 1000A); SMB package (smaller footprint, higher RθJA). | Not suitable for ISO 7637-2 Pulse 1 (load dump) or high-current automotive battery line protection. | Select only for space-constrained 5V logic-level I/O protection where surge energy is limited to <600W. |
| 1.5KE5.0CA | Through-hole DO-201 package; same 1500W rating but slower response (>1 ns), higher IR (≤100 µA), and no J-STD-020 Level 1 rating. | Requires manual insertion or wave solder; incompatible with high-speed automated SMT lines and moisture-sensitive assembly environments. | Use only for legacy through-hole designs or prototyping where reflow compatibility and JEDEC moisture specs are not required. |
Compared with SMBJ5.0CA and 1.5KE5.0CA, the SMCJ5V0CA delivers superior surge current capacity (1000A), surface-mount scalability, and automotive-grade reliability - making it the preferred choice for production-grade 5V rail protection in ECUs, ADAS sensors, and industrial controllers requiring AEC-Q200 alignment.
Availability
SMCJ5V0CA is available at Aetrix Electronics and suitable for automotive power rail protection, CAN/LIN bus transient suppression, and industrial sensor interface protection requiring stable component supply, full traceability, and lifecycle continuity.
Supply support for SMCJ5V0CA 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 analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in TVS diodes, rectifiers, MOSFETs, and power management devices for automotive and industrial markets.
The SMCJ series was developed specifically for high-reliability transient suppression in automotive electronics, with emphasis on ISO 7637-2 compliance, AEC-Q200 readiness, and SMT manufacturability - targeting ECU, body control, and infotainment subsystems.
FAQ
What is the clamping voltage of SMCJ5V0CA at its rated peak pulse current?
The SMCJ5V0CA has a maximum clamping voltage (VC) of 9.2 V at 1000 A peak pulse current (IPPM), measured using the 10/1000 µs waveform defined in Fig.5 of the datasheet. This value ensures downstream 5V ICs remain within safe operating voltage limits during high-energy transients such as ISO 7637-2 Pulse 1 load dump events. The SMCJ5V0CA maintains this clamping performance across its full operating temperature range (–55°C to +150°C).
Is SMCJ5V0CA unidirectional or bidirectional, and how is polarity indicated?
The SMCJ5V0CA is a bidirectional TVS diode, as confirmed by the "CA" suffix and explicit documentation stating "electrical characteristics apply in both directions." It has no cathode band or polarity marking - both terminals are functionally identical. This allows flexible placement across differential buses (e.g., CAN_H/CAN_L) or floating power rails without orientation verification, unlike unidirectional SMCJ5.0 variants which require correct anode/cathode alignment.
Does SMCJ5V0CA meet automotive industry surge immunity standards?
Yes, the SMCJ5V0CA is explicitly rated to meet ISO 7637-2 for automotive transient immunity, covering Pulse 1 (inductive switch-off), Pulse 2a/2b (battery disconnection/reconnection), and Pulse 3a/3b (capacitive coupled transients). This compliance is stated in the FEATURES section of the datasheet and validated via standardized test waveforms - confirming suitability for ECU, body control module, and ADAS sensor applications without additional external filtering.
What is the moisture sensitivity level (MSL) and reflow profile compatibility of SMCJ5V0CA?
The SMCJ5V0CA is rated MSL Level 1 per J-STD-020, meaning it has unlimited floor life and requires no baking prior to reflow soldering. It supports standard lead-free reflow profiles (peak temperature ≤260°C) and is compatible with automated placement equipment due to its DO-214AB (SMC) package geometry and matte tin-plated leads compliant with J-STD-002. This eliminates moisture-related popcorning risk and simplifies high-volume manufacturing.
How does SMCJ5V0CA differ from SMCJ5.0A in terms of electrical behavior and application use?
The SMCJ5V0CA is the bidirectional version, while SMCJ5.0A is unidirectional. Both share identical VWM (5.0 V), VBR (6.4–7.0 V), and VC (9.2 V), but SMCJ5.0A requires correct polarity placement and conducts forward current during positive surges only. SMCJ5V0CA enables symmetric clamping on differential or AC-coupled lines - critical for CAN, LIN, RS-485, and floating sensor interfaces where polarity cannot be guaranteed. The "V0" in SMCJ5V0CA is a vendor-specific marking variant of "5.0".
SMCJ5V0CA 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):
- 5V
- Voltage - Breakdown (Min):
- 6.4V
- Voltage - Clamping (Max) @ Ipp:
- 9.2V
- Current - Peak Pulse (10/1000µs):
- 163A
- 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)
SMCJ5V0CA FAQ
1.How can I place an order for SMCJ5V0CA through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ5V0CA 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 SMCJ5V0CA reliable?
The price and inventory of SMCJ5V0CA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ5V0CA is usually 5 days.
3.What payment methods are accepted for SMCJ5V0CA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ5V0CA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ5V0CA?
SMCJ5V0CA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ5V0CA 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 SMCJ5V0CA?
For technical support, including SMCJ5V0CA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ5V0CA requirements.
6.How does Aetrix verify that SMCJ5V0CA is sourced from the original manufacturer or authorized distributors?
All SMCJ5V0CA 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 SMCJ5V0CA meets industry standards.
7.What is the process for return or replacement of SMCJ5V0CA?
All SMCJ5V0CA units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ5V0CA, 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 SMCJ5V0CA part is unused and in its original packaging.
Return procedure for SMCJ5V0CA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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