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Vishay General Semiconductor - Diodes Division SMCG9.0AHE3/57T
- Part No.:
- SMCG9.0AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG9.0AHE3/57T.pdf
- Description:
- TVS DIODE 9VWM 15.4VC DO215AB
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SMCG9.0AHE3/57T from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) surface-mount package, designed for robust overvoltage protection of sensitive electronics. It features a 9.0 V stand-off voltage (VWM), 10.0–11.1 V breakdown voltage (VBR) at 1 mA, 15.4 V clamping voltage (VC) at 97.4 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with a 10/1000 µs waveform - deployed in automotive sensor signal lines, industrial I/O interfaces, and power supply rail protection.
For engineers reviewing the SMCG9.0AHE3/57T datasheet, SMCG9.0AHE3/57T pinout, SMCG9.0AHE3/57T application, or SMCG9.0AHE3/57T equivalent, key selection criteria include its AEC-Q101 qualification, low clamping ratio (VC/VBR ≈ 1.52), 1.0 µA max reverse leakage at VWM, 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 TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, leveraging glass-passivated junction technology for stable avalanche behavior and fast response (<1 ns). Its surge handling is defined per ANSI/IEEE C62.35 using a 10/1000 µs waveform, with derating above 25 °C per Fig. 2 and validated clamping performance under single-pulse conditions up to 1500 W.
The SMCG9.0AHE3/57T is rated for -55 °C to +150 °C operating junction temperature, meets MSL Level 1 per J-STD-020 (260 °C peak reflow), and uses matte tin-plated leads compliant with J-STD-002 and JESD 22-B102 - confirming suitability for high-reliability automotive and industrial PCB assemblies requiring long-term surge immunity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 9.0 V - maximum continuous reverse working voltage before clamping begins; sets upper limit for normal circuit operation without leakage-induced stress. |
| VBR min/max | 10.0 V / 11.1 V at IT = 1 mA - defines guaranteed avalanche onset window; ensures predictable turn-on across production lots and temperature. |
| VC @ IPPM | 15.4 V at 97.4 A - clamped voltage during 10/1000 µs surge; determines protected IC's maximum transient exposure level. |
| PPPM | 1500 W - peak pulse power rating; quantifies single-event surge energy absorption capability under standardized waveform. |
| ID @ VWM | 1.0 µA max - reverse leakage at stand-off voltage; critical for low-power sensor and battery-backed circuits where quiescent current matters. |
| TJ max | +150 °C - maximum junction temperature; enables use in under-hood automotive environments and enclosed industrial enclosures. |
| RθJA | 75 °C/W - thermal resistance junction-to-ambient on 8.0 mm × 8.0 mm pads; informs thermal design margin for sustained power dissipation. |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, low-profile gull-wing leaded package with molded UL 94 V-0 compound; dimensions 7.87 mm × 5.59 mm × 2.41 mm (L × W × H); cathode identified by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias; connected to protected line or ground reference depending on layout. | When used in unidirectional configuration, anode connects to lower-potential node (e.g., GND or return path) to enable clamping to that rail. |
| Cathode | Current exit terminal in forward bias; marked with band; reverse-biased during normal operation. | Connected to the line being protected (e.g., CAN_H, sensor VOUT, or 12 V rail); conducts surge current to ground when V > VBR. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and surge endurance - required for engine control, ADAS, and body electronics. |
| Glass passivated junction | Ensures stable, repeatable avalanche characteristics over time and temperature; eliminates parameter drift due to moisture or contamination ingress. |
| Low incremental surge resistance | Enables tight clamping (VC/VBR = 1.52) and minimal voltage overshoot during fast transients - critical for protecting 3.3 V or 5 V logic interfaces. |
| MSL Level 1 compliance | Supports standard SMT reflow profiles up to 260 °C peak without preconditioning - simplifies manufacturing and avoids moisture-related popcorning. |
| Matte tin-plated leads | Guarantees solderability per J-STD-002 and whisker resistance per JESD 201 Class 2 - essential for long-life industrial and automotive deployments. |
Applications
| Automotive Sensor Protection | Industrial I/O Interface |
|---|---|
|
Use Scenario: Protecting analog output lines of pressure, temperature, or position sensors in engine control modules exposed to load dump and inductive switching noise. IC Role / Device Role / Timing Role: Unidirectional TVS clamping element placed between sensor signal line and chassis ground to shunt ESD and ISO 7637-2 pulses. Use Value: Limits transient voltage to ≤15.4 V, preventing damage to downstream ADC inputs or op-amps while maintaining <1.0 µA leakage at 9.0 V nominal rail. |
Use Scenario: Safeguarding RS-485/RS-232 data lines in programmable logic controllers (PLCs) against field-induced surges and ground loop transients. IC Role / Device Role / Timing Role: Line-side transient suppressor mounted adjacent to connector, referenced to local ground plane with minimal trace inductance. Use Value: Absorbs 1500 W surges per IEC 61000-4-5 (10/1000 µs) without degradation, preserving signal integrity and enabling >100 kV ESD immunity per IEC 61000-4-2. |
| DC Power Rail Protection | Consumer Device USB Port |
|
Use Scenario: Secondary overvoltage protection on 12 V or 24 V DC input rails of motor drives and power supplies subjected to load dump events. IC Role / Device Role / Timing Role: Parallel-connected TVS across input capacitor, triggered only during abnormal overvoltage exceeding 9.0 V. Use Value: Clamps 97.4 A surge current within nanoseconds, limiting rail excursion to 15.4 V and preventing MOSFET gate oxide failure or controller latch-up. |
Use Scenario: ESD and surge suppression on VBUS and D+/D− lines of USB 2.0 ports in smart home hubs and portable medical devices. IC Role / Device Role / Timing Role: Unidirectional clamp on VBUS (anode to GND, cathode to VBUS) to protect USB controller ICs from hot-plug transients and contact ESD. Use Value: Delivers <1.0 µA leakage at 5 V nominal, ensuring no impact on USB suspend current, while clamping 8 kV contact ESD per IEC 61000-4-2 to safe levels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ9.0A-E3/57T | Same VWM (9.0 V), but lower PPPM (400 W) and smaller SMA (DO-214AC) package; RθJA = 110 °C/W. | Limited to lower-energy transients; unsuitable for ISO 7637-2 Pulse 5a load dump simulation. | Select when board space is constrained and surge threat level is limited to IEC 61000-4-2/4-4 only. |
| SMCJ9.0AHE3/57T | Same VWM (9.0 V) and DO-215AB package, but higher PPPM (3000 W); VC = 14.4 V at 209 A. | Over-spec'd for many 1500 W applications; higher cost and larger footprint than needed. | Choose only when system-level testing requires margin beyond 1500 W or dual-pulse immunity is mandated. |
Compared with SMAJ9.0A-E3/57T, SMCG9.0AHE3/57T delivers 275 % more surge power handling in the same mounting footprint; versus SMCJ9.0AHE3/57T, it offers optimal cost-performance balance for AEC-Q101-compliant 1500 W protection without over-engineering.
Availability
SMCG9.0AHE3/57T is available at Aetrix Electronics and suitable for automotive sensor protection, industrial I/O interface hardening, and DC power rail safeguarding requiring stable component supply, full AEC-Q101 traceability, and RoHS-compliant manufacturing.
Supply support for SMCG9.0AHE3/57T 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, TVS devices, and optoelectronics with emphasis on reliability, precision, and automotive-grade qualification.
The SMCG series was engineered specifically for high-energy transient suppression in harsh environments - targeting automotive powertrain, ADAS, and industrial automation systems where AEC-Q101 compliance and 1500 W surge capability are mandatory.
FAQ
What is the clamping voltage of SMCG9.0AHE3/57T at its rated peak pulse current?
The SMCG9.0AHE3/57T has a maximum clamping voltage (VC) of 15.4 V at 97.4 A peak pulse current (IPPM), measured under the standardized 10/1000 µs waveform. This value is guaranteed across the full operating temperature range and ensures protected circuitry remains below critical voltage thresholds during surge events. The clamping performance is directly tied to its low incremental surge resistance and glass-passivated junction structure.
Is SMCG9.0AHE3/57T qualified for automotive applications?
Yes, SMCG9.0AHE3/57T is explicitly AEC-Q101 qualified, as confirmed by Vishay's documentation and ordering code suffix "HE3". This qualification covers stress tests including temperature cycling, high-temperature operating life, and surge endurance - making SMCG9.0AHE3/57T suitable for under-hood and body-control module applications where reliability under thermal and electrical stress is non-negotiable.
What does the "HE3" suffix indicate in SMCG9.0AHE3/57T?
The "HE3" suffix in SMCG9.0AHE3/57T denotes RoHS-compliant construction with AEC-Q101 qualification and matte tin-plated leads meeting JESD 201 Class 2 whisker resistance. It distinguishes this variant from industrial-grade "E3" parts and halogen-free "HM3" versions - confirming that SMCG9.0AHE3/57T meets both environmental and automotive reliability requirements out-of-the-box.
How does SMCG9.0AHE3/57T differ from bidirectional variants like SMCG9.0CA?
SMCG9.0AHE3/57T is unidirectional, with polarity marked by a cathode band and intended for clamping between a signal line and ground. In contrast, SMCG9.0CA is bidirectional, lacks polarity marking, and clamps symmetrically in both directions - suited for AC-coupled lines or differential pairs. Their VWM (9.0 V) and PPPM (1500 W) match, but SMCG9.0AHE3/57T provides lower leakage and tighter VBR tolerance for DC-biased protection.
What PCB pad layout is recommended for optimal thermal and surge performance of SMCG9.0AHE3/57T?
Vishay specifies a minimum 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pad area per terminal for SMCG9.0AHE3/57T to achieve rated PPPM and thermal resistance (RθJA = 75 °C/W). Using smaller pads reduces surge current handling and increases junction temperature - potentially derating IPPM by up to 40 % at 70 °C ambient. The pad layout must also minimize trace inductance between the TVS and protected node.
SMCG9.0AHE3/57T 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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 97.4A
- 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)
SMCG9.0AHE3/57T FAQ
1.How can I place an order for SMCG9.0AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG9.0AHE3/57T 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 SMCG9.0AHE3/57T reliable?
The price and inventory of SMCG9.0AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG9.0AHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCG9.0AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG9.0AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG9.0AHE3/57T?
SMCG9.0AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG9.0AHE3/57T 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 SMCG9.0AHE3/57T?
For technical support, including SMCG9.0AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG9.0AHE3/57T requirements.
6.How does Aetrix verify that SMCG9.0AHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG9.0AHE3/57T 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 SMCG9.0AHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCG9.0AHE3/57T?
All SMCG9.0AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG9.0AHE3/57T, 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 SMCG9.0AHE3/57T part is unused and in its original packaging.
Return procedure for SMCG9.0AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG9.0AHE3/57T Tags
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