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Vishay General Semiconductor - Diodes Division SMCJ8.0A-M3/57T
- Part No.:
- SMCJ8.0A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ8.0A-M3/57T.pdf
- Description:
- TVS DIODE 8VWM 13.6VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:5,611
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Product details
Overview
SMCJ8.0A-M3/57T from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W peak pulse power with 13.6 V maximum clamping voltage at 110.3 A peak pulse current, 8.0 V stand-off voltage, and 8.89–9.83 V breakdown voltage range at 1 mA test current. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power rails.
For engineers reviewing the SMCJ8.0A-M3/57T datasheet, SMCJ8.0A-M3/57T pinout, SMCJ8.0A-M3/57T application, or SMCJ8.0A-M3/57T equivalent, key selection criteria include unidirectional polarity, 1500 W 10/1000 µs surge rating, 13.6 V clamping performance at rated IPPM, halogen-free RoHS-compliant M3 termination, and SMC package thermal resistance of 75 °C/W junction-to-ambient.
Technical Context
The SMCJ8.0A-M3/57T uses a glass-passivated silicon junction optimized for fast response (<1 ns) to ESD and lightning-induced transients. Its low incremental surge resistance enables stable clamping under repetitive 10/1000 µs surges up to 1500 W, while maintaining 1.0 µA max reverse leakage at 8.0 V stand-off.
Designed for PCB-level protection of DC power inputs and signal lines, it operates across -55 °C to +150 °C junction temperature, meets MSL level 1 per J-STD-020, and supports automated placement via matte tin-plated leads solderable per J-STD-002.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power (10/1000 µs) | 1500 W - sustains high-energy transients without failure in automotive load-dump or inductive switching events |
| Clamping Voltage at IPPM | 13.6 V - limits downstream voltage stress on 12 V rail components during surge |
| Stand-off Voltage (VWM) | 8.0 V - blocks normal operating voltage while remaining fully off until transient exceeds threshold |
| Breakdown Voltage Range | 8.89–9.83 V at 1 mA - ensures reliable turn-on margin above VWM with minimal dispersion |
| Max Reverse Leakage | 50 µA at 8.0 V - negligible standby power loss in battery-powered systems |
| Junction Temperature Range | -55 °C to +150 °C - supports under-hood automotive and industrial ambient conditions |
| Thermal Resistance (RθJA) | 75 °C/W - defines derating curve for sustained power dissipation on standard 8 mm × 8 mm copper pads |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads. Cathode indicated by band; anode is unmarked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground when voltage exceeds VBR |
| Anode (unbanded end) | Reference node | Typically tied to system ground or lower-potential rail; completes clamping path during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SMC package | Enables compact layout on space-constrained PCBs while maintaining 1500 W surge capability |
| Glass-passivated junction | Ensures long-term reliability and stable VBR over temperature and lifetime cycling |
| MSL Level 1 rating | Allows unlimited floor life and reflow compatibility without dry-pack requirements |
| Halogen-free M3 termination | Meets environmental compliance mandates without compromising solderability or whisker resistance |
| Fast response time | Sub-nanosecond turn-on protects sensitive CMOS inputs before damage occurs |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: 12 V battery-fed ECUs exposed to ISO 7637-2 pulse 5a load dump transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp surges above 13.6 V. Use Value: Prevents latch-up or gate oxide rupture in downstream PMICs and microcontrollers by limiting peak voltage to safe levels. | Use Scenario: Analog output lines from pressure or temperature sensors routed through noisy factory environments. IC Role / Device Role / Timing Role: SMCJ8.0A-M3/57T mounted at connector entry point to shunt EFT bursts and cable discharge events. Use Value: Maintains signal integrity below 13.6 V clamping threshold, avoiding ADC saturation or op-amp rail-to-rail clipping. |
| Consumer Power Adapter Input Stage | Telecom DC Feeder Line Protection |
Use Scenario: Secondary-side 5–12 V DC outputs of wall adapters subject to conducted surges per IEC 61000-4-5. IC Role / Device Role / Timing Role: Standoff-rated TVS on output rail to absorb coupling transients before reaching USB-PD controllers or LDOs. Use Value: Eliminates need for additional filtering stages by providing robust 1500 W clamping with <1 ns response. | Use Scenario: -48 V DC feeder lines powering remote radio units in 4G/5G base stations. IC Role / Device Role / Timing Role: Unidirectional TVS referenced to negative rail to protect line drivers and monitoring ICs from induced surges. Use Value: Withstands repeated 10/1000 µs surges up to 110.3 A while maintaining low leakage (<50 µA) during normal operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ8.0A-M3 | Lower 400 W peak pulse power, SMA package (smaller footprint, higher RθJA = 110 °C/W) | Suitable only for lower-energy transients; not recommended for automotive load dump | Select SMCJ8.0A-M3/57T when 1500 W surge immunity and thermal robustness are required. |
| SMCJ8.0CA-M3/57T | Bidirectional variant with same VWM (8.0 V), symmetric clamping in both polarities | Required for AC-coupled or dual-rail signal lines where reverse polarity transients occur | Choose SMCJ8.0CA-M3/57T only if bidirectional protection is needed; SMCJ8.0A-M3/57T is optimal for DC power rails. |
Compared with SMAJ8.0A-M3 and SMCJ8.0CA-M3/57T, the SMCJ8.0A-M3/57T delivers 3.75× higher surge power handling and superior thermal performance in unidirectional DC protection, making it the preferred choice for demanding automotive and industrial power-line applications.
Availability
SMCJ8.0A-M3/57T is available at Aetrix Electronics and suitable for automotive electronic control units, industrial programmable logic controllers, and telecom power supply designs requiring stable component supply with halogen-free compliance and AEC-Q101-qualified alternatives.
Supply support for SMCJ8.0A-M3/57T 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMCJ series targets high-energy transient suppression in harsh environments, engineered specifically for automotive, industrial, and telecom infrastructure where 1500 W surge immunity and extended temperature operation are mandatory.
FAQ
What is the maximum clamping voltage of the SMCJ8.0A-M3/57T at its rated peak pulse current?
The SMCJ8.0A-M3/57T has a maximum clamping voltage (VC) of 13.6 V at its rated peak pulse current (IPPM) of 110.3 A under the standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and guarantees that downstream circuitry sees no more than 13.6 V during full-rated surge events, critical for protecting 12 V nominal systems. The SMCJ8.0A-M3/57T maintains this clamping performance across its specified junction temperature range.
Is the SMCJ8.0A-M3/57T suitable for automotive applications requiring AEC-Q101 qualification?
The SMCJ8.0A-M3/57T itself is not AEC-Q101 qualified; it carries the commercial-grade M3 suffix. However, Vishay offers the functionally identical SMCJ8.0A-HM3/57T variant with AEC-Q101 qualification. For automotive designs requiring formal qualification, engineers must specify the HM3 version. The SMCJ8.0A-M3/57T remains appropriate for non-automotive industrial or consumer applications where AEC-Q101 is not mandated.
How does the SMCJ8.0A-M3/57T differ from the SMAJ8.0A-M3 in terms of surge capability and thermal performance?
The SMCJ8.0A-M3/57T delivers 1500 W peak pulse power versus 400 W for the SMAJ8.0A-M3, enabling robust protection against severe transients like ISO 7637-2 load dump. Its SMC package also provides lower thermal resistance (RθJA = 75 °C/W vs. 110 °C/W for SMA), allowing greater power dissipation on standard PCB layouts. The SMCJ8.0A-M3/57T is therefore preferred for high-reliability power rail protection where the SMAJ8.0A-M3 would thermally saturate or fail.
What is the meaning of the "/57T" suffix in SMCJ8.0A-M3/57T?
The "/57T" suffix denotes the packaging configuration: 7-inch diameter plastic tape-and-reel with 850 units per reel. This format is optimized for high-volume automated SMT assembly. The "M3" prefix indicates halogen-free, RoHS-compliant construction with matte tin-plated leads meeting JESD 201 Class 2 whisker resistance. Together, SMCJ8.0A-M3/57T specifies both environmental compliance and logistics-ready packaging for production use.
Can the SMCJ8.0A-M3/57T be used in bidirectional signal line protection?
No - the SMCJ8.0A-M3/57T is a unidirectional TVS diode, intended only for DC power rail or single-polarity signal protection. For bidirectional applications such as AC-coupled data lines or differential pairs, the SMCJ8.0CA-M3/57T variant must be used. That part features symmetrical breakdown and clamping in both directions, whereas the SMCJ8.0A-M3/57T conducts only from cathode to anode and blocks reverse voltage beyond its small leakage current.
SMCJ8.0A-M3/57T 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 13.6V
- Current - Peak Pulse (10/1000µs):
- 110.3A
- 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)
SMCJ8.0A-M3/57T FAQ
1.How can I place an order for SMCJ8.0A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ8.0A-M3/57T 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 SMCJ8.0A-M3/57T reliable?
The price and inventory of SMCJ8.0A-M3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ8.0A-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ8.0A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ8.0A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ8.0A-M3/57T?
SMCJ8.0A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ8.0A-M3/57T 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 SMCJ8.0A-M3/57T?
For technical support, including SMCJ8.0A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ8.0A-M3/57T requirements.
6.How does Aetrix verify that SMCJ8.0A-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ8.0A-M3/57T 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 SMCJ8.0A-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ8.0A-M3/57T?
All SMCJ8.0A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ8.0A-M3/57T, 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 SMCJ8.0A-M3/57T part is unused and in its original packaging.
Return procedure for SMCJ8.0A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ8.0A-M3/57T Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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