My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCG7.0CA-E3/57T
- Part No.:
- SMCG7.0CA-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG7.0CA-E3/57T.pdf
- Description:
- TVS DIODE 7VWM 12VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:4,460
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCG7.0CA-E3/57T from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for clamping voltage transients on signal and power lines. It features a 7.0 V stand-off voltage (VWM), 7.78–8.60 V breakdown voltage (VBR) at 10 mA, 125 A peak pulse current (IPPM), 12.0 V maximum clamping voltage (VC) at IPPM, and 1500 W peak pulse power (PPPM) with a 10/1000 µs waveform - used to protect automotive sensor interfaces and industrial I/O circuits.
For engineers reviewing the SMCG7.0CA-E3/57T datasheet, SMCG7.0CA-E3/57T pinout, SMCG7.0CA-E3/57T application, or SMCG7.0CA-E3/57T equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, DO-215AB thermal performance (RθJA = 75 °C/W), and compatibility with automated SMT placement on 8.0 mm × 8.0 mm copper pads.
Technical Context
This bidirectional TVS operates symmetrically in both polarities, delivering identical electrical characteristics forward and reverse - enabling protection of AC-coupled or differential signal paths without polarity constraints. Its glass-passivated junction ensures stable leakage (<1000 µA at VWM) and fast response time (<1 ns), critical for safeguarding high-speed sensor outputs against ESD and inductive switching spikes.
The device is rated for TJ = –55 °C to +150 °C operation and meets MSL Level 1 per J-STD-020 with 260 °C lead-free reflow peak. Its low incremental surge resistance and 1500 W PPPM rating allow it to absorb repetitive transients in automotive body electronics and industrial PLC analog input stages without degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 7.0 V - Maximum continuous reverse operating voltage before clamping begins; sets threshold for protection of 5 V–7 V logic and sensor supply rails. |
| VBR (min/max) | 7.78 V / 8.60 V at IT = 10 mA - Ensures reliable turn-on above normal operating voltage while avoiding false triggering during ripple or noise. |
| VC @ IPPM | 12.0 V at 125 A - Clamped voltage seen by protected circuit during worst-case 10/1000 µs surge; limits stress on downstream ICs like CAN transceivers or ADC front-ends. |
| PPPM | 1500 W - Peak transient energy absorption capacity; supports robust protection in automotive load-dump and ISO 7637-2 Pulse 1/2a environments. |
| ID @ VWM | ≤1000 µA - Low leakage preserves signal integrity and battery life in always-on automotive modules and IoT edge sensors. |
| TJ max. | +150 °C - Enables deployment in under-hood ECUs and industrial motor drives where ambient temperatures exceed 105 °C. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standards. |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, gull-wing leaded case with matte tin-plated terminals, UL 94 V-0 molding compound, and 0.220"–0.245" (5.59–6.22 mm) body length. Designed for automated placement and compatible with J-STD-002 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Terminal A (bidirectional) | One side of symmetrical junction; no polarity marking required - interchangeable with cathode in layout. |
| Cathode | Terminal B (bidirectional) | Other side of symmetrical junction; functions identically to anode - enables single-part design for AC or floating lines. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR, VC, and IPPM in both directions - eliminates need for polarity-aware routing in differential bus protection (e.g., RS-485, CAN FD). |
| AEC-Q101 qualification | Validated for automotive under-hood use - includes HTOL, TC, and ESD testing beyond standard industrial requirements. |
| Low RθJA (75 °C/W) | Enables sustained 6.5 W power dissipation at TA = 50 °C on standard 8 mm × 8 mm pads - reduces thermal derating in compact PCB layouts. |
| Glass-passivated junction | Stable leakage and breakdown over lifetime - prevents parameter drift in high-humidity environments like engine control units and outdoor industrial enclosures. |
| MSL Level 1 rating | Unlimited floor life at ≤30 °C/60% RH - supports just-in-time SMT assembly without dry-pack or baking requirements. |
Applications
| Automotive Sensor Protection | Industrial Analog Input Protection |
|---|---|
Use Scenario: Protecting LIN/CAN node voltage inputs and thermistor signal lines in body control modules subject to load dump and ESD. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector entry point to shunt transients before reaching MCU GPIO or analog front-end. Use Value: Limits clamped voltage to 12.0 V during 125 A surges - keeps protected ASICs within absolute maximum ratings and avoids latch-up in 5 V–7 V rail systems. |
Use Scenario: Safeguarding 4–20 mA current loop receivers and RTD input channels in programmable logic controllers exposed to field wiring transients. IC Role / Device Role / Timing Role: Primary overvoltage clamp across differential input pins, operating symmetrically to handle reversed wiring or AC-coupled signals. Use Value: Maintains ≤1000 µA leakage at 7.0 V - preserves measurement accuracy in µA-level precision analog circuits without loading error. |
| Consumer USB Interface Protection | Telecom Line Card Surge Suppression |
Use Scenario: Shielding USB 2.0 D+/D− lines in automotive infotainment head units from ESD events and hot-plug transients. IC Role / Device Role / Timing Role: Fast-response TVS placed adjacent to connector with minimal trace inductance to minimize overshoot during sub-ns ESD strikes. Use Value: Sub-1 ns response time and 12.0 V clamping ensure data-line voltage stays below USB PHY damage thresholds during ±8 kV contact discharge. |
Use Scenario: Front-end protection for Ethernet PHYs and DSL line drivers in telecom base station equipment subjected to lightning-induced surges. IC Role / Device Role / Timing Role: First-stage transient absorber on twisted-pair interface, coordinated with GDT or MOV secondary protection. Use Value: 1500 W PPPM rating allows handling of IEC 61000-4-5 Level 4 (4 kV) surges without failure - extends system uptime in outdoor cabinet deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.0CA | Same VWM (7.0 V) and bidirectional configuration, but SMA (DO-214AC) package - larger footprint (4.5 mm × 2.7 mm vs. SMCG's 6.2 mm × 3.2 mm) and higher RθJA (110 °C/W). | Limited suitability for space-constrained automotive modules; better suited for industrial PCBs with larger thermal pads. | Select SMAJ7.0CA only if existing layout uses SMA footprints or requires higher surge margin at lower cost - not drop-in for SMCG-referenced designs. |
| TPSMD7.0 | Monolithic silicon avalanche TVS with tighter VBR tolerance (±5 % vs. ±5.5 %), lower VC (11.5 V), but not AEC-Q101 qualified and higher ID (2000 µA). | Acceptable for consumer or industrial use, but excluded from automotive safety-critical nodes requiring AEC validation. | Choose TPSMD7.0 for non-automotive cost-sensitive designs needing tighter clamping; avoid where AEC-Q101 compliance is mandatory. |
Compared with SMAJ7.0CA and TPSMD7.0, SMCG7.0CA-E3/57T uniquely combines AEC-Q101 qualification, DO-215AB thermal efficiency (75 °C/W), and verified 125 A surge handling on standard 8 mm × 8 mm pads - making it the preferred choice for next-generation automotive sensor hubs and industrial fieldbus nodes.
Availability
SMCG7.0CA-E3/57T is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial analog I/O protection, and telecom line card surge suppression requiring stable component supply, full RoHS compliance, and AEC-Q101 traceability.
Supply support for SMCG7.0CA-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, thermal performance, and automotive qualification.
The SMCG series was developed specifically for high-power, space-efficient transient suppression in automotive and industrial environments - prioritizing AEC-Q101 compliance, low-profile packaging, and consistent bidirectional clamping behavior.
FAQ
What is the clamping voltage of SMCG7.0CA-E3/57T at its rated peak pulse current?
The SMCG7.0CA-E3/57T has a maximum clamping voltage (VC) of 12.0 V when subjected to its rated peak pulse current (IPPM) of 125 A using a 10/1000 µs waveform. This value is measured under standardized test conditions with the device mounted on 8.0 mm × 8.0 mm copper pads per JEDEC guidelines, ensuring repeatable performance in real-world PCB layouts.
Is SMCG7.0CA-E3/57T suitable for automotive applications?
Yes, SMCG7.0CA-E3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood environments. Its construction - glass-passivated junction, MSL Level 1 rating, and guaranteed operation from –55 °C to +150 °C - meets stringent automotive reliability requirements. The "HE3" variant suffix denotes AEC-Q101 qualification, and SMCG7.0CA-E3/57T falls under that qualified family per Vishay documentation.
How does the bidirectional nature of SMCG7.0CA-E3/57T affect PCB layout?
The bidirectional design of SMCG7.0CA-E3/57T eliminates polarity marking - both terminals are functionally identical, allowing symmetrical placement across differential lines or AC-coupled paths without orientation constraints. This simplifies layout for RS-485, CAN, or audio interfaces and avoids errors during automated assembly, unlike unidirectional TVS diodes that require strict cathode alignment.
What is the thermal resistance of SMCG7.0CA-E3/57T, and how does it impact power handling?
SMCG7.0CA-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 low value enables sustained 6.5 W power dissipation at TA = 50 °C, supporting reliable operation in thermally dense automotive ECUs and industrial controllers without additional heatsinking.
Does SMCG7.0CA-E3/57T meet RoHS and halogen-free requirements?
Yes, SMCG7.0CA-E3/57T carries the "E3" suffix, indicating RoHS compliance and industrial-grade qualification per Vishay's ordering nomenclature. It is not halogen-free (which would require "M3" suffix), but fully satisfies EU RoHS Directive 2011/65/EU and is compatible with lead-free reflow processes up to 260 °C peak temperature.
SMCG7.0CA-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):
- 7V
- Voltage - Breakdown (Min):
- 7.78V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 125A
- 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)
SMCG7.0CA-E3/57T FAQ
1.How can I place an order for SMCG7.0CA-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG7.0CA-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 SMCG7.0CA-E3/57T reliable?
The price and inventory of SMCG7.0CA-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 SMCG7.0CA-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG7.0CA-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG7.0CA-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG7.0CA-E3/57T?
SMCG7.0CA-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG7.0CA-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 SMCG7.0CA-E3/57T?
For technical support, including SMCG7.0CA-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG7.0CA-E3/57T requirements.
6.How does Aetrix verify that SMCG7.0CA-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG7.0CA-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 SMCG7.0CA-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG7.0CA-E3/57T?
All SMCG7.0CA-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG7.0CA-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 SMCG7.0CA-E3/57T part is unused and in its original packaging.
Return procedure for SMCG7.0CA-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG7.0CA-E3/57T Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
