My Inquiry
My Account
Vishay General Semiconductor - Diodes Division SMCG110A-M3/9AT
- Part No.:
- SMCG110A-M3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG110A-M3/9AT.pdf
- Description:
- TVS DIODE 110VWM 177VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,551
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SMCG110A-M3/9AT from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMCG (DO-215AB) package, featuring a 110 V stand-off voltage (VWM), 122–135 V breakdown voltage (VBR), 1500 W peak pulse power (PPPM), and clamping voltage of 177 V at 8.5 A IPPM. It protects MOSFETs, ICs, and sensor signal lines against inductive switching transients and lightning surges in automotive and industrial power electronics.
For engineers reviewing the SMCG110A-M3/9AT datasheet, SMCG110A-M3/9AT pinout, SMCG110A-M3/9AT application, or SMCG110A-M3/9AT equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, halogen-free RoHS compliance (M3 suffix), thermal resistance (RθJA = 75 °C/W), and real-world clamping behavior under 10/1000 µs surge conditions - all critical for ESD/surge protection design validation.
Technical Context
This TVS diode operates as a unidirectional clamping device with glass-passivated junction and low incremental surge resistance, enabling fast response (<1 ns) to transient overvoltages. Its bidirectional counterpart would use the "CA" suffix (e.g., SMCG110CA), but SMCG110A-M3/9AT is strictly unidirectional, with cathode marked by a band on the SMCG (DO-215AB) package.
Designed for surface-mount assembly on 8.0 mm × 8.0 mm copper pads per terminal, it sustains 200 A non-repetitive forward surge current (IFSM, 8.3 ms half-sine) and operates across -55 °C to +150 °C junction temperature. The M3 suffix confirms halogen-free, RoHS-compliant construction meeting JESD201 Class 2 whisker resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 110 V - maximum continuous reverse operating voltage before clamping begins; sets system-level DC bus or signal line protection threshold. |
| VBR (min/max) | 122 V / 135 V at IT = 1 mA - guaranteed breakdown range ensures reliable turn-on margin above VWM for robust transient detection. |
| VC @ IPPM | 177 V at 8.5 A - clamping voltage under 10/1000 µs waveform defines worst-case voltage seen by protected downstream circuitry. |
| PPPM | 1500 W - peak pulse power handling capacity determines survivability against standardized lightning/surge events (IEC 61000-4-5). |
| RθJA | 75 °C/W - junction-to-ambient thermal resistance informs PCB copper pad sizing and layout cooling requirements for sustained power dissipation. |
| TJ max | +150 °C - maximum junction temperature enables operation in under-hood automotive environments and high-temperature industrial enclosures. |
| AEC-Q101 | Qualified - certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC stress requirements. |
Pinout & Package
Package: SMCG (DO-215AB), surface-mount gull-wing leaded case with matte tin-plated terminals solderable per J-STD-002 and JESD22-B102. Cathode identified by molded band on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during clamping (reverse bias conduction) | Connected to protected line (e.g., 12 V rail); conducts surge current toward ground when V > VBR. |
| Cathode | Current exit point during clamping; marked with band | Typically tied to system ground or low-impedance return path; defines polarity-sensitive placement on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile DO-215AB package | Enables compact placement near connectors or ICs without height interference in slim automotive modules or industrial sensors. |
| Glass-passivated chip junction | Ensures stable VBR over lifetime and improved humidity resistance versus epoxy-passivated alternatives. |
| AEC-Q101 qualification | Validates suitability for automotive powertrain, body control, and ADAS subsystems requiring extended reliability under thermal and mechanical stress. |
| Halogen-free & RoHS compliant (M3) | Meets global environmental regulations and eliminates corrosive halogen emissions during reflow or end-of-life processing. |
| MSL Level 1 (260 °C peak) | Supports standard lead-free reflow profiles without preconditioning, simplifying SMT line integration and reducing process risk. |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V power rails in BCM, lighting modules, and motor drivers from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS clamping device placed between battery input and primary regulator input. Use Value: Limits transient voltage to ≤177 V, preventing damage to downstream LDOs and microcontrollers rated for ≤200 V absolute maximum. |
Use Scenario: Shielding analog output lines (e.g., 4–20 mA, 0–10 V) of pressure/temperature sensors from ESD and cable-induced surges. IC Role / Device Role / Timing Role: Point-of-entry clamping element mounted directly at connector interface. Use Value: Sub-1 ns response time suppresses fast transients before they propagate into precision amplifier front-ends. |
| Telecom Power Interface | Consumer Appliance Motor Control |
Use Scenario: Safeguarding PoE-powered equipment inputs against induced surges on Ethernet cables routed near AC mains. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC input stage prior to DC/DC converter. Use Value: 1500 W PPPM rating handles multiple IEC 61000-4-5 combination wave surges without degradation. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in washing machines, HVAC blowers, and power tools. IC Role / Device Role / Timing Role: Reverse-biased clamp across motor terminals (anode to motor+, cathode to motor−). Use Value: 200 A IFSM rating withstands repeated motor startup surges without bond wire failure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ110A-E3/57T | Same VWM/VBR/PPPM specs but SMA (DO-214AC) package; RθJA = 85 °C/W vs. 75 °C/W; no AEC-Q101 qualification. | Limited to industrial/commercial use; not approved for automotive under-hood deployment. | Select when cost sensitivity outweighs automotive qualification and thermal performance is less constrained. |
| SMCJ110A-M3/9AT | Same SMCG package, AEC-Q101, and M3 suffix, but higher PPPM = 1500 W (identical), yet VBR min = 122 V (same), VC = 177 V (same); identical pinout and footprint. | No functional difference - SMCJ110A-M3/9AT is a legacy marking variant within same production lot family per Vishay documentation. | Interchangeable in design; verify latest Vishay PCN for packaging continuity if long-term BOM stability is required. |
Compared with SMCG110A-M3/9AT, SMAJ110A-E3/57T offers lower cost but sacrifices automotive qualification and thermal efficiency, while SMCJ110A-M3/9AT is functionally identical with equivalent reliability and layout compatibility - making it a direct sourcing alternative without redesign.
Availability
SMCG110A-M3/9AT is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, telecom power inputs, and consumer appliance motor control requiring stable component supply and AEC-Q101 assurance.
Supply support for SMCG110A-M3/9AT 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, and protection devices with emphasis on reliability, thermal performance, and automotive-grade qualification.
The SMCG series was developed specifically for high-power, surface-mount transient suppression in space-constrained automotive and industrial systems where AEC-Q101 compliance and low clamping voltage are mandatory design criteria.
FAQ
What is the clamping voltage of SMCG110A-M3/9AT under standard surge conditions?
The SMCG110A-M3/9AT has a maximum clamping voltage (VC) of 177 V when subjected to an 8.5 A peak pulse current (IPPM) using the industry-standard 10/1000 µs waveform. This value is measured per JEDEC test conditions and defines the upper voltage limit imposed on protected circuitry during transient events - a critical parameter for ensuring downstream ICs remain within their absolute maximum ratings. The SMCG110A-M3/9AT maintains this clamping performance across its full operating temperature range.
Is SMCG110A-M3/9AT qualified for automotive applications?
Yes, SMCG110A-M3/9AT is explicitly AEC-Q101 qualified, as confirmed in Vishay document 88457 (Revision: 09-Jan-2024). This qualification covers stress tests including high-temperature reverse bias (HTRB), temperature cycling, and ESD, validating its use in automotive powertrain, body electronics, and ADAS modules. The M3 suffix further indicates halogen-free, RoHS-compliant construction required for modern vehicle platforms. SMCG110A-M3/9AT meets these requirements out-of-the-box without derating.
What does the "M3" suffix mean in SMCG110A-M3/9AT?
The "M3" suffix in SMCG110A-M3/9AT denotes halogen-free, RoHS-compliant construction with matte tin-plated leads that pass JESD201 Class 2 whisker testing. It also confirms compliance with Vishay's industrial-grade material categorization per doc# 99912. Unlike the "E3" suffix (RoHS but not halogen-free), M3 ensures no brominated flame retardants or chlorine-based compounds - essential for environmentally regulated markets and high-reliability applications where long-term corrosion resistance matters. SMCG110A-M3/9AT carries this designation across its full production lot.
Can SMCG110A-M3/9AT be used in bidirectional protection circuits?
No, SMCG110A-M3/9AT is a unidirectional TVS diode and must not be used in bidirectional configurations. Its electrical characteristics - including breakdown and clamping behavior - are specified only for reverse-bias operation (cathode positive relative to anode). For bidirectional protection, Vishay specifies the "CA" suffix variant (e.g., SMCG110CA), which exhibits symmetrical VBR and VC in both polarities. Using SMCG110A-M3/9AT in place of a bidirectional device risks catastrophic failure during positive-going transients.
What is the thermal resistance of SMCG110A-M3/9AT, and how does it affect PCB layout?
The SMCG110A-M3/9AT has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal - the minimum recommended layout per Vishay. This value directly impacts safe power dissipation: at 6.5 W rated power, junction temperature rise is ~488 °C above ambient without heatsinking, so actual layout must include generous copper area and possible internal layers to reduce effective RθJA. SMCG110A-M3/9AT requires careful thermal design to avoid exceeding +150 °C TJ during repetitive surge events.
SMCG110A-M3/9AT 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):
- 110V
- Voltage - Breakdown (Min):
- 122V
- Voltage - Clamping (Max) @ Ipp:
- 177V
- Current - Peak Pulse (10/1000µs):
- 8.5A
- 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)
SMCG110A-M3/9AT FAQ
1.How can I place an order for SMCG110A-M3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG110A-M3/9AT 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 SMCG110A-M3/9AT reliable?
The price and inventory of SMCG110A-M3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG110A-M3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG110A-M3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG110A-M3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG110A-M3/9AT?
SMCG110A-M3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG110A-M3/9AT 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 SMCG110A-M3/9AT?
For technical support, including SMCG110A-M3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG110A-M3/9AT requirements.
6.How does Aetrix verify that SMCG110A-M3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG110A-M3/9AT 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 SMCG110A-M3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG110A-M3/9AT?
All SMCG110A-M3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG110A-M3/9AT, 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 SMCG110A-M3/9AT part is unused and in its original packaging.
Return procedure for SMCG110A-M3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG110A-M3/9AT Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
Tech Hub
Comparator circuit design covering voltage thresholds, input limits, open-collector outputs, LM393 wiring, op-amp differences, hysteresis, timing, window detection and practical fault diagnosis.
Schmitt triggers use separate rising and falling thresholds to stabilize slow or noisy signals. This guide covers hysteresis, 74HC14 and 74HCT14 selection, comparator calculations, RC oscillators and p…
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
