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Vishay General Semiconductor - Diodes Division SMCG6.5AHE3/9AT
- Part No.:
- SMCG6.5AHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG6.5AHE3/9AT.pdf
- Description:
- TVS DIODE 6.5VWM 11.2VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,033
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Product details
Overview
SMCG6.5AHE3/9AT from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 6.5 V stand-off voltage (VWM), 7.22–7.98 V breakdown voltage (VBR) at 10 mA, 11.2 V clamping voltage (VC) at 133.9 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with 10/1000 µs waveform - deployed on power rails and signal lines in automotive ECUs and industrial sensor interfaces.
For engineers reviewing the SMCG6.5AHE3/9AT datasheet, SMCG6.5AHE3/9AT pinout, SMCG6.5AHE3/9AT application, or SMCG6.5AHE3/9AT equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), DO-215AB mechanical outline, and direct alternatives for circuit-level ESD/surge protection design.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, leveraging glass-passivated junction technology for fast response (<1 ns) and low incremental surge resistance. Its 1500 W PPPM rating is validated under JEDEC-standard 10/1000 µs surge conditions on 8.0 mm × 8.0 mm copper pads, with derating above 25 °C per Fig. 2.
Rated for -55 °C to +150 °C junction temperature, it meets MSL Level 1 (260 °C peak reflow) and is AEC-Q101 qualified - confirming suitability for automotive under-hood and infotainment systems where reliability under thermal cycling and transient stress is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 6.5 V - maximum continuous reverse operating voltage before clamping begins; sets safe margin above 5 V logic or 6.0 V supply rails. |
| VBR (min/max) | 7.22 V / 7.98 V at 10 mA - ensures reliable turn-on within narrow tolerance, minimizing false triggering during normal transients. |
| VC @ IPPM | 11.2 V at 133.9 A - clamping voltage limits downstream IC stress during 1500 W surge events without exceeding 12 V system thresholds. |
| PPPM | 1500 W - peak pulse power handling capability with 10/1000 µs waveform, enabling protection against ISO 7637-2 Pulse 1/2a/5a and IEC 61000-4-5 surges. |
| RθJA | 75 °C/W - thermal resistance from junction to ambient on standard PCB pad layout; informs derating requirements for sustained power dissipation. |
| IFSM | 200 A - non-repetitive forward surge current rating (8.3 ms half-sine), supporting high-energy inductive switch-off protection. |
| TJ max. | +150 °C - maximum junction temperature, aligned with AEC-Q101 automotive qualification and extended industrial operation. |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, low-profile gull-wing leaded case with matte tin-plated terminals, UL 94 V-0 molding compound, and polarity indicated by cathode band on unidirectional variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to protected line or ground reference | Provides low-impedance path to ground during reverse-biased clamping; must be routed with minimal inductance for effective surge shunting. |
| Cathode | Current exit terminal in forward bias; marked with band on package | Defines polarity-sensitive connection - ties to higher-potential rail (e.g., VBUS or signal line) to enable unidirectional clamping action. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control, ADAS sensors, and infotainment - guarantees reliability across temperature, humidity, and vibration stress profiles. |
| Glass-passivated junction | Enables stable VBR tolerance and long-term parameter stability under thermal cycling and high-humidity environments (e.g., under-hood modules). |
| MSL Level 1 rating | Supports standard SMT reflow processes up to 260 °C peak without moisture-induced damage - eliminates pre-bake requirement for production assembly. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ESD or relay bounce), ensuring clamping occurs near specified VC without significant dynamic rise. |
| 1500 W PPPM with 10/1000 µs waveform | Meets IEC 61000-4-5 Level 4 (4 kV line-to-line) and ISO 7637-2 Pulse 5a (100 V/2 Ω) test requirements when properly laid out on PCB. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed microcontroller power inputs in body control modules against load dump and alternator ripple. IC Role / Device Role: Unidirectional clamping TVS placed between VBAT and GND, absorbing energy from ISO 16750-2 load dump pulses. Use Value: Clamps transients to ≤11.2 V while sustaining 1500 W surges - prevents MCU brownout or latch-up without requiring series impedance. |
Use Scenario: Safeguarding analog output lines (e.g., 4–20 mA current loop) of pressure sensors in factory automation PLCs. IC Role / Device Role: TVS mounted across signal and return lines to suppress EFT bursts and inductive kickback from solenoid drivers. Use Value: 7.22–7.98 V VBR ensures no conduction during normal 24 V loop operation, while 11.2 V VC protects ADC input stages from damage. |
| Consumer USB Port ESD Protection | Telecom Line Card Surge Suppression |
|
Use Scenario: Secondary-level ESD protection on VBUS line of USB 2.0 ports in set-top boxes and smart displays. IC Role / Device Role: Standoff-rated TVS placed upstream of USB power switch to absorb ±15 kV contact discharge per IEC 61000-4-2. Use Value: 6.5 V VWM allows compatibility with 5 V USB specification; 133.9 A IPPM handles multi-pulse ESD events without degradation. |
Use Scenario: Primary surge protection on POTS line interface cards in VoIP gateways exposed to lightning-induced surges. IC Role / Device Role: Unidirectional TVS installed between tip/ring and ground to clamp common-mode transients per GR-1089-CORE. Use Value: 1500 W PPPM and 200 A IFSM support repeated 6 kV/3 kA surge events; AEC-Q101 qualification adds long-term field reliability assurance. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ6.5A-E3/57T | Same VWM (6.5 V), but lower PPPM (400 W); SMA (DO-214AC) package with higher RθJA (110 °C/W). | Not AEC-Q101 qualified; suitable for cost-sensitive consumer applications, not automotive-grade designs. | Select only if 400 W surge capacity suffices and AEC-Q101 compliance is unnecessary. |
| SMCJ6.5A-E3/9AT | Same VWM (6.5 V), identical PPPM (1500 W), but larger SMC (DO-214AB) package with lower RθJA (50 °C/W) and higher IFSM (400 A). | Higher thermal mass supports longer surge durations; used where board space permits and enhanced ruggedness is required. | Prefer when thermal performance or surge endurance exceeds SMCG's capability - especially in high-ambient industrial settings. |
Compared with SMAJ6.5A-E3/57T, SMCG6.5AHE3/9AT delivers automotive-grade reliability and superior power density in a smaller footprint; versus SMCJ6.5A-E3/9AT, it trades some thermal margin for compactness and AEC-Q101 validation - ideal for space-constrained automotive modules.
Availability
SMCG6.5AHE3/9AT is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom line card designs requiring stable component supply with full traceability and AEC-Q101 assurance.
Supply support for SMCG6.5AHE3/9AT 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 targets high-reliability transient suppression in automotive and industrial environments, combining AEC-Q101 qualification, low-profile packaging, and precise clamping performance for next-generation ECU and sensor module designs.
FAQ
What is the clamping voltage of SMCG6.5AHE3/9AT at its rated peak pulse current?
The SMCG6.5AHE3/9AT has a maximum clamping voltage (VC) of 11.2 V at 133.9 A peak pulse current (IPPM), measured under standardized 10/1000 µs waveform conditions. This value ensures downstream components remain within safe voltage limits during surge events. The SMCG6.5AHE3/9AT achieves this with low incremental surge resistance and tight VBR distribution (7.22–7.98 V), making it suitable for protecting 5 V–12 V systems.
Is SMCG6.5AHE3/9AT qualified for automotive applications?
Yes, SMCG6.5AHE3/9AT is AEC-Q101 qualified and carries the HE3 suffix denoting RoHS compliance and automotive qualification. It is tested for temperature cycling, humidity, mechanical shock, and surge endurance per AEC-Q101 requirements. The SMCG6.5AHE3/9AT is widely deployed in body control modules, ADAS camera power supplies, and infotainment system interfaces where automotive-grade reliability is mandatory.
What does the "9AT" suffix indicate in SMCG6.5AHE3/9AT?
The "9AT" suffix specifies the packaging configuration: 13-inch diameter plastic tape and reel, with a base quantity of 3500 units per reel. This format supports high-volume SMT assembly and is compatible with standard pick-and-place equipment. The SMCG6.5AHE3/9AT uses the same die and electrical specs as other SMCG6.5A variants - only the packaging differs from smaller reels like 57T (850 units).
How does SMCG6.5AHE3/9AT compare to SMAJ6.5A in terms of surge handling?
SMCG6.5AHE3/9AT delivers 1500 W peak pulse power (PPPM) with 10/1000 µs waveform, whereas SMAJ6.5A is rated for only 400 W. The SMCG6.5AHE3/9AT also features lower thermal resistance (75 °C/W vs. 110 °C/W) and AEC-Q101 qualification - making it capable of surviving repeated high-energy transients in automotive environments where SMAJ6.5A would fail prematurely. Both share 6.5 V VWM, but SMCG6.5AHE3/9AT offers superior ruggedness.
What is the polarity configuration of SMCG6.5AHE3/9AT?
SMCG6.5AHE3/9AT is a unidirectional TVS diode, with polarity indicated by a cathode band on the package. In circuit implementation, the cathode connects to the protected line (e.g., VBUS or signal), and the anode connects to ground. This configuration enables clamping only during reverse-voltage transients - unlike bidirectional variants (e.g., SMCG6.5CA), which protect both polarities without polarity dependence. The SMCG6.5AHE3/9AT's unidirectional design ensures optimal leakage and capacitance performance for DC-coupled rails.
SMCG6.5AHE3/9AT 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 6.5V
- Voltage - Breakdown (Min):
- 7.22V
- Voltage - Clamping (Max) @ Ipp:
- 11.2V
- Current - Peak Pulse (10/1000µs):
- 133.9A
- 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)
SMCG6.5AHE3/9AT FAQ
1.How can I place an order for SMCG6.5AHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG6.5AHE3/9AT 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 SMCG6.5AHE3/9AT reliable?
The price and inventory of SMCG6.5AHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG6.5AHE3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG6.5AHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG6.5AHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG6.5AHE3/9AT?
SMCG6.5AHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG6.5AHE3/9AT 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 SMCG6.5AHE3/9AT?
For technical support, including SMCG6.5AHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG6.5AHE3/9AT requirements.
6.How does Aetrix verify that SMCG6.5AHE3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG6.5AHE3/9AT 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 SMCG6.5AHE3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG6.5AHE3/9AT?
All SMCG6.5AHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG6.5AHE3/9AT, 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 SMCG6.5AHE3/9AT part is unused and in its original packaging.
Return procedure for SMCG6.5AHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG6.5AHE3/9AT Tags
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