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Vishay General Semiconductor - Diodes Division SMCG6.0CAHE3/9AT
- Part No.:
- SMCG6.0CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG6.0CAHE3/9AT.pdf
- Description:
- TVS DIODE 6VWM 10.3VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,625
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Product details
Overview
SMCG6.0CAHE3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 6.0 V stand-off voltage (VWM), 6.67–7.37 V breakdown voltage (VBR) at 10 mA, 1500 W peak pulse power (PPPM), clamping voltage of 10.3 V at 145.6 A IPPM, and AEC-Q101 qualification for automotive use.
For engineers reviewing the SMCG6.0CAHE3/9AT datasheet, SMCG6.0CAHE3/9AT pinout, SMCG6.0CAHE3/9AT application, or SMCG6.0CAHE3/9AT equivalent, this device is selected for high-reliability bidirectional surge suppression in automotive sensor interfaces, industrial I/O lines, and telecom signal conditioning where low clamping voltage, fast response (<1 ns), and MSL Level 1 reflow compatibility are critical.
Technical Context
The SMCG6.0CAHE3/9AT operates as a symmetrical avalanche diode with identical electrical characteristics in both directions, enabling protection of AC-coupled or differential signal paths without polarity concerns. Its glass-passivated junction ensures stable VBR tolerance and long-term reliability under repetitive surge stress.
Designed for surface-mount placement on 8.0 mm × 8.0 mm copper pads per terminal, it delivers 1500 W (10/1000 µs waveform) surge handling with thermal resistance RθJA = 75 °C/W and RθJL = 15 °C/W - supporting operation up to TJ = +150 °C in compact PCB layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.0 V - Maximum continuous reverse operating voltage before clamping begins; defines safe signal swing margin in protected circuits. |
| VBR (min/max) | 6.67 V / 7.37 V at 10 mA - Confirmed breakdown threshold range; ensures predictable turn-on during transients. |
| VC @ IPPM | 10.3 V at 145.6 A - Clamped voltage during 1500 W surge; limits downstream IC stress to safe levels. |
| PPPM | 1500 W - Peak pulse power rating (10/1000 µs); supports IEC 61000-4-5 Level 4 surge immunity. |
| TJ max. | +150 °C - Maximum junction temperature; enables deployment in under-hood automotive environments. |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing. |
| Package | SMCG (DO-215AB) - Low-profile SMD outline with matte tin-plated leads; compatible with J-STD-002 solderability standards. |
Pinout & Package
SMCG6.0CAHE3/9AT uses the SMCG (DO-215AB) surface-mount package: a bidirectional two-terminal device with no polarity marking. Terminals are symmetric and interchangeable; neither anode nor cathode designation applies.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Surge Input/Output Node | Connects to line under protection (e.g., CAN_H or RS-485 A); carries full transient current during clamping. |
| Terminal 2 | Surge Input/Output Node | Connects to complementary line (e.g., CAN_L or RS-485 B); completes bidirectional clamping path with Terminal 1. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional symmetry | Identical VBR, VC, and IPPM in both directions - eliminates orientation constraints in differential or AC signal protection. |
| Low clamping ratio | VC/VWM = 1.72 - minimizes voltage overshoot during surge, protecting 5 V logic and analog front-ends. |
| AEC-Q101 qualification | Validated for automotive applications including engine control, body electronics, and ADAS sensors. |
| MSL Level 1 | Rated for peak reflow temperature of 260 °C - supports standard lead-free assembly without moisture sensitivity concerns. |
| Glass passivation | Stable junction characteristics over time and temperature - reduces parameter drift in harsh industrial environments. |
Applications
| Automotive CAN Bus Protection | Industrial RS-485 Interface |
|---|---|
Use Scenario: Protecting CAN_H/CAN_L lines in vehicle ECUs against load dump, ISO 7637-2 pulses, and ESD events. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector entry point to shunt surge energy before transceiver input. Use Value: Limits transient voltage to ≤10.3 V, preserving integrity of TJA1042 or SN65HVD230 transceivers operating at 5 V supply. | Use Scenario: Safeguarding RS-485 transceivers in factory automation PLCs exposed to motor switching noise and lightning-induced surges. IC Role / Device Role / Timing Role: Differential-line TVS across A/B bus terminals to suppress common-mode and differential-mode transients simultaneously. Use Value: Withstands 1500 W surges while maintaining <1 ns response, preventing data corruption in 10 Mbps communication links. |
| Telecom DSL Line Protection | Consumer Sensor Signal Conditioning |
Use Scenario: Shielding ADSL/VDSL line drivers and receivers from induced surges on twisted-pair telephone lines. IC Role / Device Role / Timing Role: Bidirectional clamping element integrated into hybrid transformer interface circuitry. Use Value: Matches impedance profile of DSL transformers and avoids signal distortion due to low capacitance (<100 pF at 0 V). | Use Scenario: Protecting MEMS pressure or temperature sensor outputs in smart home devices from ESD during handling or cable coupling. IC Role / Device Role / Timing Role: Localized TVS at sensor module output pins to absorb ±8 kV contact ESD per IEC 61000-4-2. Use Value: Clamps ESD events within nanoseconds while adding negligible leakage (<1 µA at 6.0 V), preserving sensor accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.0A-E3/57T | Unidirectional; same VWM/VBR/PPPM but asymmetric conduction - requires correct polarity placement. | Limited to DC-biased or single-ended lines; unsuitable for true AC/differential protection without redesign. | Select only when polarity is fixed and board layout allows directional mounting. |
| SMCJ6.0CA | Same bidirectional function and DO-214AB package, but lower PPPM (1500 W vs. 1500 W - identical), higher RθJA (85 °C/W), and no AEC-Q101 qualification. | Acceptable for industrial/commercial use but not certified for automotive production environments. | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated. |
Compared with SMAJ6.0A-E3/57T and SMCJ6.0CA, the SMCG6.0CAHE3/9AT uniquely combines bidirectional symmetry, AEC-Q101 qualification, and DO-215AB low-profile packaging - making it the preferred choice for space-constrained automotive and high-reliability industrial interfaces requiring zero-polarity installation and extended temperature operation.
Availability
SMCG6.0CAHE3/9AT is available at Aetrix Electronics and suitable for automotive CAN bus protection, industrial RS-485 networks, and telecom DSL line conditioning requiring stable component supply, traceable sourcing, and long-term lifecycle support.
Supply support for SMCG6.0CAHE3/9AT 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, efficiency, and application-specific optimization.
The SMCG series is part of Vishay's TRANSZORB® TVS platform, engineered specifically for high-power, low-clamp transient suppression in automotive, industrial, and communications infrastructure where AEC-Q101 compliance and robust surge handling are mandatory.
FAQ
What is the clamping voltage of the SMCG6.0CAHE3/9AT at its rated peak pulse current?
The SMCG6.0CAHE3/9AT has a maximum clamping voltage (VC) of 10.3 V at its peak pulse current (IPPM) of 145.6 A, measured under the standard 10/1000 µs waveform. This value ensures that downstream components like CAN transceivers or RS-485 drivers remain within safe operating voltage limits during surge events. The SMCG6.0CAHE3/9AT achieves this performance while maintaining bidirectional symmetry and AEC-Q101 qualification.
Is the SMCG6.0CAHE3/9AT suitable for automotive applications?
Yes, the SMCG6.0CAHE3/9AT is AEC-Q101 qualified and explicitly rated for automotive use, including under-hood and body electronics environments. Its guaranteed operation from –55 °C to +150 °C junction temperature, MSL Level 1 reflow compatibility, and validated surge robustness make it appropriate for CAN, LIN, and sensor interface protection in production vehicles. The SMCG6.0CAHE3/9AT meets these requirements without derating in typical automotive PCB layouts.
Does the SMCG6.0CAHE3/9AT have polarity markings on the package?
No, the SMCG6.0CAHE3/9AT does not feature polarity markings because it is a bidirectional TVS diode. The device exhibits identical electrical behavior in both directions, so either terminal may connect to either side of a differential or AC-coupled signal path. This eliminates orientation errors during automated placement and simplifies layout for interfaces like RS-485 or CAN. The SMCG6.0CAHE3/9AT leverages this symmetry to reduce design risk and assembly complexity.
What is the maximum peak pulse power rating for the SMCG6.0CAHE3/9AT?
The SMCG6.0CAHE3/9AT has a peak pulse power dissipation (PPPM) rating of 1500 W under the standardized 10/1000 µs double-exponential waveform. This rating is verified with mounting on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal and supports compliance with IEC 61000-4-5 surge immunity test Level 4. The SMCG6.0CAHE3/9AT sustains this power level without degradation when operated within its specified thermal limits.
How does the SMCG6.0CAHE3/9AT differ from unidirectional variants like SMCG6.0A?
The SMCG6.0CAHE3/9AT is bidirectional with symmetrical VBR and clamping behavior in both directions, whereas SMCG6.0A is unidirectional and conducts only when cathode is biased positive relative to anode. This makes the SMCG6.0CAHE3/9AT ideal for differential or AC signal lines (e.g., CAN, RS-485), while SMCG6.0A suits DC-biased rails. Both share the same SMCG (DO-215AB) package, AEC-Q101 qualification, and 1500 W PPPM rating - but only the SMCG6.0CAHE3/9AT provides true dual-path surge suppression.
SMCG6.0CAHE3/9AT 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):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 145.6A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCG)
SMCG6.0CAHE3/9AT FAQ
1.How can I place an order for SMCG6.0CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG6.0CAHE3/9AT 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 SMCG6.0CAHE3/9AT reliable?
The price and inventory of SMCG6.0CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG6.0CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG6.0CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG6.0CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG6.0CAHE3/9AT?
SMCG6.0CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG6.0CAHE3/9AT 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 SMCG6.0CAHE3/9AT?
For technical support, including SMCG6.0CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG6.0CAHE3/9AT requirements.
6.How does Aetrix verify that SMCG6.0CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG6.0CAHE3/9AT 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 SMCG6.0CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG6.0CAHE3/9AT?
All SMCG6.0CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG6.0CAHE3/9AT, 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 SMCG6.0CAHE3/9AT part is unused and in its original packaging.
Return procedure for SMCG6.0CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG6.0CAHE3/9AT Tags
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