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Vishay General Semiconductor - Diodes Division SMCG8.0CA-E3/57T
- Part No.:
- SMCG8.0CA-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG8.0CA-E3/57T.pdf
- Description:
- TVS DIODE 8VWM 13.6VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,903
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Product details
Overview
SMCG8.0CA-E3/57T from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) in the SMCG (DO-215AB) package, designed for clamping voltage transients on signal and power lines. It features a 8.0 V stand-off voltage (VWM), 13.6 V maximum clamping voltage (VC) at 50 A IPPM, 1500 W peak pulse power (10/1000 µs), AEC-Q101 qualification, and operates across –55 °C to +150 °C junction temperature range - deployed in automotive sensor interface protection.
For engineers reviewing the SMCG8.0CA-E3/57T datasheet, SMCG8.0CA-E3/57T pinout, SMCG8.0CA-E3/57T application, or SMCG8.0CA-E3/57T equivalent, key selection criteria include bidirectional clamping capability, low clamping ratio (VC/VWM = 1.7), MSL Level 1 moisture sensitivity, and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This device operates as a silicon avalanche diode configured for symmetrical bidirectional conduction, enabling suppression of both positive and negative transients without polarity dependency. Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0 µA at VWM), while the DO-215AB package supports high thermal dissipation via low RθJL (15 °C/W).
The SMCG8.0CA-E3/57T delivers 1500 W peak pulse power under standardized 10/1000 µs waveform conditions, with clamping performance validated at 50 A IPPM. It meets UL 497B recognition and complies with JESD201 Class 2 whisker resistance, targeting robustness in harsh automotive and industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 8.0 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 8.89 V / 9.83 V at 1.0 mA IT - Confirmed breakdown threshold range for bidirectional operation |
| VC @ IPPM | 13.6 V at 50 A - Clamped voltage during 10/1000 µs surge, limiting downstream stress |
| PPPM | 1500 W - Peak transient energy handling capacity per single event |
| ID @ VWM | <1.0 µA - Low leakage preserves signal integrity in high-impedance circuits |
| TJ max | +150 °C - Enables use in under-hood automotive locations without derating |
| MSL Level | Level 1 (260 °C peak reflow) - Supports standard lead-free SMT assembly without baking |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, gull-wing leaded case with matte tin-plated terminals, 0.31" × 0.31" (8.0 mm × 8.0 mm) pad layout recommended, UL 94 V-0 compliant molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative half-cycle) | One terminal of symmetrical avalanche junction; no polarity marking on bidirectional devices |
| Cathode | Transient current entry (positive half-cycle) | Second terminal of symmetrical junction; functionally identical to Anode in bidirectional mode |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signal lines without external polarity management |
| AEC-Q101 qualification | Validated reliability for automotive electronics including engine control, ADAS sensors, and infotainment interfaces |
| Low clamping ratio (VC/VWM = 1.7) | Minimizes overvoltage exposure to protected ICs compared to higher-ratio TVS devices |
| Glass-passivated junction | Ensures stable VBR over lifetime and immunity to humidity-induced parameter drift |
| MSL Level 1 rating | Eliminates pre-reflow baking requirement, reducing manufacturing cost and process complexity |
Applications
| Automotive Sensor Protection | Industrial CAN Bus Interface |
|---|---|
Use Scenario: Protecting analog output pins of pressure, temperature, and position sensors in engine control modules exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Bidirectional voltage clamp placed between sensor output and microcontroller ADC input to limit transient excursions beyond absolute maximum ratings. Use Value: Prevents latch-up or permanent damage to 3.3 V or 5 V ADC front-ends during ISO 7637-2 Pulse 1/2a/5a events. | Use Scenario: Safeguarding CAN transceiver I/O lines (CANH/CANL) against ESD and fast transient bursts in factory automation nodes. IC Role / Device Role / Timing Role: Low-capacitance TVS placed directly at connector entry point to shunt surges before reaching transceiver ESD structures. Use Value: Maintains signal integrity up to 1 Mbps while meeting IEC 61000-4-2 Level 4 (±15 kV contact) and IEC 61000-4-4 Level 3 (±2 kV) immunity requirements. |
| Consumer USB Type-C Port | Telecom DSL Line Interface |
Use Scenario: Protecting CC, D+/D−, and VBUS lines in portable device USB-C receptacles against human-body-model ESD and hot-swap transients. IC Role / Device Role / Timing Role: Bidirectional TVS array replacement using discrete SMCG8.0CA-E3/57T per critical line due to space constraints and precise clamping needs. Use Value: Achieves <100 ps response time and sub-14 V clamping to preserve USB 2.0 eye diagram and prevent PHY reset during ±8 kV contact discharge. | Use Scenario: Front-end surge protection for ADSL/VDSL line drivers interfacing twisted-pair telephone lines subject to lightning-induced surges. IC Role / Device Role / Timing Role: Primary protection device mounted at PCB edge, coordinated with gas discharge tube (GDT) secondary stage. Use Value: Handles 1500 W line-to-line surges per ITU-T K.20/K.21 while maintaining <1 µA leakage to avoid affecting line impedance matching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ8.0CA | Same VWM (8.0 V) and VC (13.6 V), but lower PPPM (400 W) and smaller SMA (DO-214AC) package | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a or high-current load dump | Select SMAJ8.0CA only when board space is constrained and surge threat level is ≤400 W |
| SMCJ8.0CA | Same VWM (8.0 V) and higher PPPM (1500 W), but larger SMC (DO-214AB) package and higher RθJA (85 °C/W vs. 75 °C/W) | Requires larger PCB area and more thermal relief; less optimal for dense automotive modules | Choose SMCJ8.0CA if existing footprint uses SMC and thermal margin allows higher junction rise |
Compared with SMAJ8.0CA and SMCJ8.0CA, the SMCG8.0CA-E3/57T delivers identical clamping performance at 1500 W while offering superior thermal resistance (RθJA = 75 °C/W), AEC-Q101 qualification, and optimized gull-wing leads for fine-pitch automated placement - making it the preferred choice for next-generation automotive and industrial designs demanding reliability and manufacturability.
Availability
SMCG8.0CA-E3/57T is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial CAN bus nodes, and telecom DSL line protection requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMCG8.0CA-E3/57T 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, MOSFETs, and protection devices with emphasis on reliability, automotive qualification, and application-specific performance.
The SMCG series is engineered for high-power transient suppression in space-constrained, thermally demanding environments - specifically targeting AEC-Q101-compliant automotive subsystems and industrial equipment requiring robust ESD and surge immunity.
FAQ
What is the clamping voltage of SMCG8.0CA-E3/57T at its rated peak pulse current?
The SMCG8.0CA-E3/57T has a maximum clamping voltage (VC) of 13.6 V when subjected to its rated peak pulse current (IPPM) of 50 A under the standard 10/1000 µs waveform. This value is measured per ANSI/IEEE C62.35 and confirmed in the Vishay datasheet revision 09-Jan-2024, ensuring predictable overvoltage limiting for protected circuitry.
Is SMCG8.0CA-E3/57T suitable for automotive applications?
Yes, SMCG8.0CA-E3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, body electronics, and ADAS sensor interfaces. Its –55 °C to +150 °C operating range, MSL Level 1 reflow compatibility, and UL 497B recognition confirm suitability for under-hood and cabin-mounted systems where reliability under thermal and electrical stress is critical.
How does the bidirectional configuration of SMCG8.0CA-E3/57T affect its PCB layout?
The SMCG8.0CA-E3/57T has no polarity marking and functions identically in both directions, eliminating orientation concerns during placement. Unlike unidirectional TVS diodes, it requires no cathode band alignment - simplifying automated optical inspection and reducing assembly errors in differential or AC-coupled signal paths such as CAN, RS-485, or audio lines.
What is the thermal resistance of SMCG8.0CA-E3/57T, and how does it impact power handling?
The SMCG8.0CA-E3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads. This enables sustained 6.5 W power dissipation at TA = 50 °C and supports effective heat spreading during repetitive surge events - a key advantage over higher-RθJA alternatives like SMAJ or SMCJ in thermally dense layouts.
Does SMCG8.0CA-E3/57T meet industry standards for surge immunity testing?
Yes, SMCG8.0CA-E3/57T meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and ISO 7637-2 (automotive transients) requirements when applied per recommended layout. Its 1500 W PPPM rating aligns with Pulse 5a (load dump) severity levels, and UL 497B recognition confirms compliance for telecom and industrial protector classifications.
SMCG8.0CA-E3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AB, SMC Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- 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 (SMCG)
SMCG8.0CA-E3/57T FAQ
1.How can I place an order for SMCG8.0CA-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG8.0CA-E3/57T 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 SMCG8.0CA-E3/57T reliable?
The price and inventory of SMCG8.0CA-E3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG8.0CA-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG8.0CA-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG8.0CA-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG8.0CA-E3/57T?
SMCG8.0CA-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG8.0CA-E3/57T 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 SMCG8.0CA-E3/57T?
For technical support, including SMCG8.0CA-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG8.0CA-E3/57T requirements.
6.How does Aetrix verify that SMCG8.0CA-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG8.0CA-E3/57T 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 SMCG8.0CA-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG8.0CA-E3/57T?
All SMCG8.0CA-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG8.0CA-E3/57T, 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 SMCG8.0CA-E3/57T part is unused and in its original packaging.
Return procedure for SMCG8.0CA-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG8.0CA-E3/57T Tags
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