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Taiwan Semiconductor Corporation SMCJ5V0A
- Part No.:
- SMCJ5V0A
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ5V0A.pdf
- Description:
- TVS DIODE 5VWM 9.2VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:16,904
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Product details
Overview
SMCJ5V0A from Taiwan Semiconductor is a unidirectional 1500W surface-mount 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 impulse current-designed for automotive ECU power rail protection against ISO 7637-2 Pulse 1/2a/2b/3a/3b transients.
For engineers reviewing the SMCJ5V0A datasheet, SMCJ5V0A pinout, SMCJ5V0A application, or SMCJ5V0A equivalent, this part delivers verified sub-1ps response time, <1μA reverse leakage above 10V, and UL 94V-0 molded case-critical for high-reliability 12V automotive and industrial DC power line surge suppression.
Technical Context
The SMCJ5V0A operates as a unidirectional avalanche diode, triggered when reverse voltage exceeds its 6.4–7.0V breakdown threshold, clamping transients to ≤9.2V at 1000A. Its glass-passivated junction ensures stable VBR tolerance and low leakage (<5μA @ 10V).
Thermal performance is defined by RθJA = 55°C/W and RθJC = 10°C/W, supporting continuous operation up to +150°C junction temperature. It meets JESD201 Class 2 whisker resistance and J-STD-020 Level 1 moisture sensitivity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 5.0 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 6.4 V / 7.0 V @ 10 mA - Confirmed avalanche onset range under standardized test conditions |
| VC @ IPPM | 9.2 V @ 1000 A - Clamped voltage during worst-case 1ms 1000A surge, limiting downstream stress |
| PPK | 1500 W - Peak pulse power handling per single 1ms waveform (Fig.5) |
| IR @ VWM | <5 μA - Minimal leakage current at rated stand-off, preserving low-power system integrity |
| TJ max | +150 °C - Maximum junction temperature enabling under-hood automotive deployment |
| Package | DO-214AB (SMC) - Standardized surface-mount outline with 2.54 mm lead pitch and 0.210 g mass |
Pinout & Package
DO-214AB (SMC) package: molded epoxy case with matte tin-plated leads, cathode band marking polarity, UL 94V-0 flammability rating, and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to ground or low-side return path in unidirectional TVS configuration |
| Cathode | Reverse-biased clamping terminal | Connected to protected line (e.g., 12V rail); conducts during overvoltage to shunt energy to ground |
Key Features
| Feature | Design Value |
|---|---|
| Sub-1 ps response time | Enables effective suppression of fast EFT/burst transients before sensitive ICs experience overstress |
| ISO 7637-2 compliance | Validated immunity to automotive load-dump and switching transient waveforms (Pulse 1/2a/2b/3a/3b) |
| Glass-passivated junction | Ensures stable VBR tolerance across temperature and lifetime, reducing parameter drift in harsh environments |
| RoHS & halogen-free | Meets IEC 61249-2-21 and EU RoHS directives for environmentally compliant industrial and automotive manufacturing |
Applications
| Automotive Power Rail Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: 12V battery-supplied ECUs exposed to load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp surges before they reach LDOs or microcontrollers. Use Value: Limits transient voltage to ≤9.2V at 1000A, preventing latch-up or gate oxide damage in downstream 5V/3.3V logic. | Use Scenario: Digital input modules receiving 24V DC signals from field sensors in factory automation. IC Role / Device Role / Timing Role: Front-end transient suppressor on signal lines to absorb inductive kickback from solenoid/relay coils. Use Value: Withstands repetitive 1000A pulses without degradation, maintaining long-term reliability in high-noise plant floors. |
| LED Driver Overvoltage Protection | Medical Equipment DC Input Stage |
Use Scenario: Constant-current LED drivers powered from 12V/24V supplies in outdoor lighting systems. IC Role / Device Role / Timing Role: Primary surge clamp on main DC input to protect driver ICs and MOSFETs from lightning-induced surges. Use Value: 1500W peak power rating absorbs multi-kV transients while maintaining <5μA leakage to avoid standby current penalty. | Use Scenario: Auxiliary 5V/12V power inputs in diagnostic imaging equipment requiring low-noise, high-integrity supply rails. IC Role / Device Role / Timing Role: Secondary-level TVS after primary filtering to eliminate residual fast transients missed by bulk capacitors. Use Value: Sub-1ps response ensures clamping occurs before transient edge reaches analog front-end ADCs or precision references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ5.0A | 600W rating, SMB package (smaller footprint, lower thermal mass) | Lower peak power handling limits use to <500A surge environments | Select when board space is constrained and surge threat level is moderate (e.g., consumer-grade 12V systems) |
| 1.5KE5.0A | Through-hole DO-201 package, same 1500W rating but slower response (~1ns vs. <1ps) | Not suitable for fast EFT or ISO 7637-2 Pulse 3b where sub-nanosecond response is required | Select only for legacy through-hole designs where rework to SMD is not feasible |
Compared with SMBJ5.0A and 1.5KE5.0A, the SMCJ5V0A provides superior surge robustness in surface-mount automotive and industrial systems due to its higher power density, faster response, and validated ISO 7637-2 compliance-making it the preferred choice where PCB real estate permits DO-214AB and transient severity demands full 1500W capability.
Availability
SMCJ5V0A is available at Aetrix Electronics and suitable for automotive ECU protection, industrial PLC I/O hardening, and LED driver input stage surge suppression requiring stable component supply across production lifecycles.
Supply support for SMCJ5V0A 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 Taiwanese semiconductor manufacturer specializing in discrete power devices, TVS diodes, rectifiers, and MOSFETs for automotive, industrial, and computing markets.
The SMCJ series was developed specifically for high-energy transient suppression in 12V/24V automotive and industrial power systems, emphasizing rugged packaging, ISO-compliant surge performance, and AEC-Q101 readiness.
FAQ
What is the breakdown voltage range of the SMCJ5V0A?
The SMCJ5V0A has a guaranteed breakdown voltage (VBR) range of 6.4 V to 7.0 V at 10 mA test current, measured per ANSI/IEEE C62.35 standards. This tight tolerance ensures predictable clamping onset across production lots and temperature extremes, critical for consistent protection in automotive 12V systems where SMCJ5V0A is commonly deployed.
Is the SMCJ5V0A unidirectional or bidirectional?
The SMCJ5V0A is a unidirectional TVS diode, indicated by the absence of "C" or "CA" suffix and confirmed by its cathode band marking and forward voltage specification (VF = 3.5 V @ 100 A). It protects against negative transients on positive rails and must be oriented with cathode toward the protected line-unlike bidirectional variants such as SMCJ5.0CA which lack polarity marking and conduct in both directions.
What is the maximum clamping voltage of the SMCJ5V0A at rated surge current?
The SMCJ5V0A clamps to a maximum of 9.2 V at 1000 A peak impulse current (IPPM), per the 10/1000 μs waveform defined in Fig.5 of the datasheet. This VC value defines the upper voltage limit imposed on protected circuitry during worst-case surge events, directly enabling compatibility with 5V-tolerant interfaces downstream of SMCJ5V0A.
Does the SMCJ5V0A meet automotive transient immunity standards?
Yes, the SMCJ5V0A meets ISO 7637-2 requirements for Pulse 1 (inductive load disconnect), Pulse 2a (sudden load removal), Pulse 2b (supply interruption), Pulse 3a (capacitive coupling), and Pulse 3b (ground noise)-as explicitly stated in the FEATURES section. This makes SMCJ5V0A suitable for front-end protection in automotive ECUs, body control modules, and infotainment power supplies.
What is the thermal resistance from junction to ambient for the SMCJ5V0A?
The SMCJ5V0A has a typical junction-to-ambient thermal resistance (RθJA) of 55°C/W under standard JEDEC PCB mounting conditions (2squares of 1 oz copper). This value enables reliable operation up to +150°C junction temperature in compact layouts, provided adequate copper pour is used around the DO-214AB pads-key for sustained surge duty cycles in SMCJ5V0A applications.
SMCJ5V0A 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:
- 1
- Bidirectional Channels:
- -
- 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)
SMCJ5V0A FAQ
1.How can I place an order for SMCJ5V0A through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ5V0A 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 SMCJ5V0A reliable?
The price and inventory of SMCJ5V0A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ5V0A is usually 5 days.
3.What payment methods are accepted for SMCJ5V0A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ5V0A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ5V0A?
SMCJ5V0A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ5V0A 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 SMCJ5V0A?
For technical support, including SMCJ5V0A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ5V0A requirements.
6.How does Aetrix verify that SMCJ5V0A is sourced from the original manufacturer or authorized distributors?
All SMCJ5V0A 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 SMCJ5V0A meets industry standards.
7.What is the process for return or replacement of SMCJ5V0A?
All SMCJ5V0A units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ5V0A, 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 SMCJ5V0A part is unused and in its original packaging.
Return procedure for SMCJ5V0A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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