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Vishay General Semiconductor - Diodes Division SMCG13CAHE3/9AT
- Part No.:
- SMCG13CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG13CAHE3/9AT.pdf
- Description:
- TVS DIODE 13VWM 21.5VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,141
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Product details
Overview
SMCG13CAHE3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of signal and power lines. It features a 13 V stand-off voltage (VWM), 1500 W peak pulse power (PPPM), clamping voltage of 21.5 V at 69.8 A IPPM, and AEC-Q101 qualification for automotive reliability.
For engineers reviewing the SMCG13CAHE3/9AT datasheet, SMCG13CAHE3/9AT pinout, SMCG13CAHE3/9AT application, or SMCG13CAHE3/9AT equivalent, this device is selected for high-energy surge suppression in automotive sensor interfaces, industrial I/O ports, and telecom line protection where bidirectional clamping, low clamping ratio, and MSL Level 1 solderability are required.
Technical Context
The SMCG13CAHE3/9AT operates as a bidirectional avalanche diode with symmetrical breakdown characteristics-minimum VBR = 14.4 V and maximum VBR = 15.9 V at 1 mA test current. Its glass-passivated junction ensures stable leakage (<1.0 μA at VWM) and fast response time (<1 ns), enabling effective suppression of ESD (IEC 61000-4-2) and lightning-induced transients (10/1000 μs waveform).
Thermally, it delivers RθJA = 75 °C/W and RθJL = 15 °C/W, supporting continuous operation up to TJ = +150 °C. The DO-215AB package provides low-profile surface-mount compatibility with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102, and meets UL 94 V-0 flammability rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 13 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR (min/max) | 14.4 V / 15.9 V at 1 mA - Ensures reliable, symmetrical avalanche triggering in both directions |
| VC @ IPPM | 21.5 V at 69.8 A - Clamping voltage under 10/1000 μs surge defines protected circuit voltage ceiling |
| PPPM | 1500 W - Peak transient energy handling capacity per single event |
| ID @ VWM | ≤1.0 μA - Ultra-low leakage preserves signal integrity in high-impedance sensor lines |
| TJ max. | +150 °C - Enables deployment in under-hood automotive and industrial environments |
| AEC-Q101 | Qualified - Validated for automotive-grade reliability including temperature cycling and HTRB |
Pinout & Package
Package: SMCG (DO-215AB) - Low-profile, dual-leaded surface-mount package with 0.31" × 0.31" copper pad layout recommendation; RoHS-compliant, AEC-Q101 qualified, MSL Level 1 (260 °C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (bidirectional) | Acts as cathode during positive half-cycle; no polarity marking on device body |
| Cathode | Transient current exit (bidirectional) | Acts as anode during negative half-cycle; symmetric conduction enables bidirectional clamping |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns |
| Glass-passivated junction | Ensures long-term parameter stability and resistance to humidity/moisture-induced degradation |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., EFT, ISO 7637-2 pulses) |
| MSL Level 1 rating | Supports standard SMT reflow without baking or special handling prior to assembly |
| UL 94 V-0 molding compound | Meets flame-retardancy requirements for safety-critical automotive and industrial enclosures |
Applications
| Automotive Sensor Protection | Industrial RS-485 Interface |
|---|---|
Use Scenario: Protecting CAN/LIN bus nodes and analog sensor outputs (e.g., pressure, temperature) from load dump and inductive switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional TVS placed across differential pair or supply-to-ground to clamp ±200 V surges within nanoseconds. Use Value: Prevents latch-up or permanent damage to downstream ASICs while maintaining signal fidelity due to low capacitance and <1.0 μA leakage at 13 V. | Use Scenario: Safeguarding RS-485 transceivers in factory automation systems exposed to ground loop spikes and motor drive noise. IC Role / Device Role / Timing Role: Placed between A/B lines and ground to absorb common-mode surges up to 1500 W without disrupting 10 Mbps data integrity. Use Value: Maintains EMC compliance (IEC 61000-4-4/5) and extends system uptime by eliminating field failures caused by repetitive 10/1000 μs transients. |
| Telecom Line Interface | Consumer USB Port Protection |
Use Scenario: Shielding Ethernet PHYs and DSL line drivers from lightning-induced surges on outdoor-facing telecom infrastructure. IC Role / Device Role / Timing Role: Used in conjunction with GDTs or MOVs in hybrid protection circuits to handle high-energy primary surge and fast secondary clamping. Use Value: Provides precise 21.5 V clamping ceiling that aligns with 24 V rail tolerances, preventing overvoltage stress on PHY ICs during multi-kV events. | Use Scenario: Adding robust ESD and surge immunity to USB 2.0 data lines and VBUS in smart home hubs and portable chargers. IC Role / Device Role / Timing Role: Bidirectional placement across D+/D− or VBUS/GND to suppress ±15 kV contact ESD (IEC 61000-4-2) and 10/1000 μs surges. Use Value: Achieves Class 4 ESD immunity without degrading signal rise/fall times, thanks to sub-100 pF junction capacitance at zero bias. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13CA | Same VWM (13 V) and PPPM (400 W), but lower power rating and SMA package (DO-214AC) | Limited to lower-energy transients; not AEC-Q101 qualified | Select when cost or board space is constrained and automotive qualification is unnecessary |
| SMCJ13CA | Same VWM (13 V) and higher PPPM (1500 W), but larger SMC (DO-214AB) package and non-AEC-Q101 HE3 variant | Requires larger PCB footprint; lacks automotive qualification unless specified as HM3/HE3 | Choose only if higher thermal mass is needed and AEC-Q101 is not mandatory |
Compared with SMAJ13CA and SMCJ13CA, the SMCG13CAHE3/9AT uniquely combines AEC-Q101 qualification, DO-215AB compactness, and full 1500 W capability-making it optimal for space-constrained automotive modules requiring certified reliability without footprint trade-offs.
Availability
SMCG13CAHE3/9AT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial RS-485 networks, and telecom line protection requiring stable component supply, long-term lifecycle support, and traceable AEC-Q101-compliant sourcing.
Supply support for SMCG13CAHE3/9AT 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, bidirectional surge suppression in harsh automotive and industrial environments where AEC-Q101 compliance and low clamping ratio are critical.
FAQ
What is the clamping voltage of SMCG13CAHE3/9AT and how is it measured?
The SMCG13CAHE3/9AT has a maximum clamping voltage (VC) of 21.5 V, measured at a peak pulse current (IPPM) of 69.8 A using the standardized 10/1000 μs double-exponential surge waveform. This value reflects the actual voltage seen by protected circuitry during worst-case transient events and is guaranteed per Vishay's datasheet test conditions on minimum recommended copper pads.
Is SMCG13CAHE3/9AT suitable for automotive applications?
Yes, SMCG13CAHE3/9AT is explicitly AEC-Q101 qualified and manufactured with HE3 suffix indicating RoHS compliance and automotive-grade reliability. It supports operating junction temperatures up to +150 °C and is validated for temperature cycling, highly accelerated life testing (HALT), and surge endurance-making it appropriate for engine control units, ADAS sensors, and body electronics.
Does SMCG13CAHE3/9AT have polarity markings?
No, SMCG13CAHE3/9AT is a bidirectional TVS diode and carries no polarity marking on its body. Unlike unidirectional variants (e.g., SMCG13A), it functions identically in both directions-clamping positive and negative transients symmetrically-so orientation during placement does not affect performance.
What is the thermal resistance of SMCG13CAHE3/9AT and how does it impact layout?
The SMCG13CAHE3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-lead (RθJL) of 15 °C/W. To maintain safe operation under repeated surges, PCB layout must use the recommended 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal-reducing thermal impedance and preventing localized overheating during 1500 W pulse events.
How does the SMCG13CAHE3/9AT differ from SMCG13A?
The SMCG13CAHE3/9AT is the bidirectional version with symmetrical breakdown (VBR = 14.4–15.9 V), while SMCG13A is unidirectional (cathode-banded) with identical VWM (13 V) but forward conduction capability. SMCG13CAHE3/9AT cannot conduct DC forward current like SMCG13A, but provides balanced protection for AC or floating lines-critical for differential buses and telecom interfaces.
SMCG13CAHE3/9AT 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):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 69.8A
- 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)
SMCG13CAHE3/9AT FAQ
1.How can I place an order for SMCG13CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG13CAHE3/9AT 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 SMCG13CAHE3/9AT reliable?
The price and inventory of SMCG13CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG13CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG13CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG13CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG13CAHE3/9AT?
SMCG13CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG13CAHE3/9AT 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 SMCG13CAHE3/9AT?
For technical support, including SMCG13CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG13CAHE3/9AT requirements.
6.How does Aetrix verify that SMCG13CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG13CAHE3/9AT 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 SMCG13CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG13CAHE3/9AT?
All SMCG13CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG13CAHE3/9AT, 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 SMCG13CAHE3/9AT part is unused and in its original packaging.
Return procedure for SMCG13CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG13CAHE3/9AT Tags
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