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Vishay General Semiconductor - Diodes Division SMCG16A-E3/57T
- Part No.:
- SMCG16A-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG16A-E3/57T.pdf
- Description:
- TVS DIODE 16VWM 26VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,274
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Product details
Overview
SMCG16A-E3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for clamping voltage transients on power and signal lines. It features a 16 V stand-off voltage (VWM), 17.8–19.7 V breakdown voltage (VBR) at 1 mA, 1500 W peak pulse power (10/1000 µs), 57.7 A peak pulse current (IPPM), and clamps to 26.0 V at rated surge current - used in automotive power rail protection and industrial sensor interface circuits.
For engineers reviewing the SMCG16A-E3/57T datasheet, SMCG16A-E3/57T pinout, SMCG16A-E3/57T application, or SMCG16A-E3/57T equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), RoHS-compliant E3 suffix, and bidirectional variant compatibility for robust overvoltage design review.
Technical Context
The SMCG16A-E3/57T operates as a unidirectional avalanche diode with glass-passivated junction, optimized for fast response (<1 ns) to transient events such as load dump, ESD, and inductive switching spikes. Its low incremental surge resistance and tight VBR tolerance (±5%) ensure consistent clamping behavior across temperature and production lots.
Designed for surface-mount assembly on 8.0 mm × 8.0 mm copper pads per terminal, it meets MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. The device is AEC-Q101 qualified and rated for TJ = –55 °C to +150 °C operation, making it suitable for under-hood automotive environments and industrial control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 16 V - maximum continuous reverse operating voltage before significant leakage; defines safe working range for 12 V nominal systems. |
| VBR (min/max) | 17.8 V / 19.7 V at IT = 1 mA - guaranteed avalanche onset window; ensures reliable triggering without premature conduction. |
| VC @ IPPM | 26.0 V at 57.7 A (10/1000 µs) - clamped voltage during worst-case surge; limits downstream IC stress below 30 V threshold. |
| PPPM | 1500 W - peak transient energy handling capacity; supports IEC 61000-4-5 Level 4 (4 kV/2 Ω) compliance when properly laid out. |
| ID @ VWM | 1.0 µA - ultra-low reverse leakage at stand-off voltage; minimizes standby power loss in battery-critical applications. |
| RθJA | 75 °C/W - junction-to-ambient thermal resistance on standard 0.31″ × 0.31″ pads; enables thermal derating calculations for sustained surge duty cycles. |
| AEC-Q101 | Qualified - validated for automotive-grade reliability including HTOL, TC, UHAST, and ESD testing per AEC specification. |
Pinout & Package
Package: SMCG (DO-215AB) - low-profile, gull-wing surface-mount package with matte tin-plated leads, UL 94 V-0 molding compound, and polarity indicated by cathode band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward bias; connected to protected line (e.g., 12 V rail) | Terminal where transient current enters during clamping; must be routed with low-inductance path to ground reference. |
| Cathode | Current exit point in forward bias; connected to system ground or return path | Terminal tied to local ground plane; requires direct, wide copper pour connection to minimize clamping voltage overshoot. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated chip junction | Enables stable, repeatable avalanche characteristics and long-term reliability under repeated surge stress. |
| MSL Level 1 rating | Allows unlimited floor life and single-reflow processing at 260 °C peak, eliminating moisture sensitivity handling constraints. |
| Low incremental surge resistance | Minimizes dynamic voltage rise during high-di/dt events, improving clamping precision for sensitive 3.3 V/5 V logic interfaces. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body electronics, and ADAS modules requiring zero-failure field performance. |
| RoHS-compliant E3 suffix | Meets industrial-grade environmental compliance with matte tin terminations solderable per J-STD-002 and JESD 22-B102. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Clamping |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients (ISO 16750-2) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp surges above 16 V while remaining inactive during normal operation. Use Value: Limits peak voltage to 26.0 V during 1500 W transients, preventing damage to downstream DC/DC converters and microcontrollers. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors in factory automation PLCs from EFT and ESD coupling. IC Role / Device Role / Timing Role: Low-leakage (1.0 µA) TVS mounted directly at connector interface to suppress sub-100 ns transients before reaching ADC front-end. Use Value: Maintains signal integrity with <1 µA leakage at 16 V, avoiding offset errors in mV-level sensor outputs. |
| Telecom DC Power Input Protection | Consumer Device USB Port Surge Suppression |
Use Scenario: Safeguarding PoE-powered network switches against induced lightning surges on 48 V DC inputs. IC Role / Device Role / Timing Role: Primary clamping device in series with upstream fuse, triggered within nanoseconds to divert >50 A surges. Use Value: Withstands 1500 W pulses and 57.7 A peak current, meeting IEC 61000-4-5 requirements for Class B equipment. |
Use Scenario: Adding secondary-level surge immunity to USB-C power delivery paths in portable monitors and docking stations. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBUS and GND to absorb hot-plug transients and contact bounce spikes. Use Value: Clamps to 26.0 V at full rated current, ensuring USB PD controller ICs (e.g., TUSB73x) remain within absolute max ratings. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/57T | Same VWM (16 V) and VC (26.0 V), but lower PPPM (400 W) and smaller SMA package (DO-214AC). | Limited to lower-energy transients; unsuitable for ISO 16750-2 load dump or IEC 61000-4-5 Level 4. | Select when board space is constrained and surge energy remains below 400 W. |
| SMCG16CA-E3/57T | Bidirectional version with identical VWM (16 V), same package and PPPM (1500 W), but symmetric clamping in both polarities. | Required for AC-coupled or floating signal lines (e.g., RS-485, CAN bus) where polarity reversal occurs. | Choose for differential or bidirectional interfaces; not interchangeable in unidirectional DC rail designs. |
Compared with SMAJ16A-E3/57T and SMCG16CA-E3/57T, the SMCG16A-E3/57T offers superior surge energy handling in a ruggedized DO-215AB package while maintaining unidirectional operation ideal for fixed-polarity DC systems - enabling higher reliability in automotive and industrial deployments without layout redesign.
Availability
SMCG16A-E3/57T is available at Aetrix Electronics and suitable for automotive ECU protection, industrial sensor interface hardening, and telecom DC input surge suppression requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for SMCG16A-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, efficiency, and application-specific validation.
The SMCG series was developed for high-energy transient suppression in harsh environments, targeting AEC-Q101-compliant automotive, industrial, and telecom infrastructure applications demanding robustness and repeatable clamping performance.
FAQ
What is the maximum clamping voltage of the SMCG16A-E3/57T under rated surge conditions?
The SMCG16A-E3/57T clamps to a maximum of 26.0 V when subjected to its rated 57.7 A peak pulse current (10/1000 µs waveform). This value is measured per ANSI/IEEE C62.35 standards and confirmed in the Vishay datasheet revision 09-Jan-2024. The clamping voltage directly determines the peak stress imposed on downstream circuitry, making it critical for validating IC survivability in SMCG16A-E3/57T-protected designs.
Is the SMCG16A-E3/57T suitable for automotive applications?
Yes, the SMCG16A-E3/57T carries AEC-Q101 qualification, covering stress tests including high-temperature operating life, temperature cycling, and unbiased HAST. Its operating junction temperature range of –55 °C to +150 °C and MSL Level 1 rating support under-hood deployment. The SMCG16A-E3/57T is explicitly referenced in Vishay's automotive-grade product documentation for power rail and sensor protection use cases.
What does the "E3/57T" suffix indicate in SMCG16A-E3/57T?
The "E3" suffix denotes RoHS-compliant, industrial-grade construction with matte tin-plated leads, while "57T" specifies packaging in 7-inch plastic tape-and-reel format with 850 units per reel. This configuration ensures compatibility with automated SMT placement equipment and satisfies IPC/JEDEC handling requirements. The SMCG16A-E3/57T ordering code is listed verbatim in Vishay's official ordering information table.
How does the SMCG16A-E3/57T differ from the bidirectional SMCG16CA-E3/57T?
The SMCG16A-E3/57T is unidirectional with cathode marking and conducts only in reverse avalanche mode, whereas the SMCG16CA-E3/57T is bidirectional with no polarity marking and clamps symmetrically for both voltage polarities. Their VWM, PPPM, and VC values are identical, but the SMCG16A-E3/57T cannot replace SMCG16CA-E3/57T in AC or floating applications without circuit redesign.
What PCB layout guidance applies to the SMCG16A-E3/57T for optimal transient suppression?
Vishay specifies mounting the SMCG16A-E3/57T on 0.31″ × 0.31″ (8.0 mm × 8.0 mm) copper pads per terminal to achieve rated thermal and surge performance. Short, wide traces to ground minimize inductance and prevent clamping voltage overshoot. The SMCG16A-E3/57T datasheet Figure 6 and thermal curves confirm that reduced pad area degrades both RθJA and IPPM derating - layout adherence is mandatory for achieving 26.0 V clamping.
SMCG16A-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:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 16V
- Voltage - Breakdown (Min):
- 17.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 57.7A
- 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)
SMCG16A-E3/57T FAQ
1.How can I place an order for SMCG16A-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG16A-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 SMCG16A-E3/57T reliable?
The price and inventory of SMCG16A-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 SMCG16A-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG16A-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG16A-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG16A-E3/57T?
SMCG16A-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG16A-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 SMCG16A-E3/57T?
For technical support, including SMCG16A-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG16A-E3/57T requirements.
6.How does Aetrix verify that SMCG16A-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG16A-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 SMCG16A-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG16A-E3/57T?
All SMCG16A-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG16A-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 SMCG16A-E3/57T part is unused and in its original packaging.
Return procedure for SMCG16A-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG16A-E3/57T Tags
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