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Vishay General Semiconductor - Diodes Division SMCG36CA-M3/57T
- Part No.:
- SMCG36CA-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG36CA-M3/57T.pdf
- Description:
- TVS DIODE 36VWM 58.1VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:8,600
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Product details
Overview
SMCG36CA-M3/57T from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for robust overvoltage protection of sensitive electronics. It features a 36 V standoff voltage (VWM), 40.0–44.2 V breakdown voltage (VBR), 1500 W peak pulse power (PPPM), and clamps to ≤58.1 V at 25.8 A IPPM under 10/1000 µs waveform - deployed on signal lines and power rails in automotive sensor units and industrial control interfaces.
For engineers reviewing the SMCG36CA-M3/57T datasheet, SMCG36CA-M3/57T pinout, SMCG36CA-M3/57T application, or SMCG36CA-M3/57T equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, halogen-free RoHS compliance (M3 suffix), 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 device operates as a voltage-clamped surge protector using an avalanche junction structure, responding within picoseconds to transients induced by inductive load switching or ESD events. Its bidirectional symmetry ensures identical clamping behavior in both polarities, eliminating polarity-dependent layout constraints.
Rated for -55 °C to +150 °C junction temperature, it leverages glass-passivated chip construction and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. The SMCG36CA-M3/57T is qualified to AEC-Q101, confirming suitability for automotive-grade reliability requirements without derating at TA ≤ 25 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 36 V - maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 40.0 V / 44.2 V at 1.0 mA IT - defines guaranteed breakdown threshold window for design margining |
| VC @ IPPM | ≤58.1 V at 25.8 A - clamping voltage under standardized 10/1000 µs surge, limiting downstream stress |
| PPPM | 1500 W - peak transient energy absorption capacity with defined waveform and mounting condition |
| ID @ VWM | ≤1.0 µA - ultra-low leakage preserves signal integrity and battery life in high-impedance circuits |
| TJ max | +150 °C - enables operation in under-hood automotive or high-temperature industrial environments |
| RθJA | 75 °C/W - thermal resistance informs heatsinking needs when dissipating 6.5 W continuous power |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, low-profile gull-wing leaded case with matte tin-plated terminals, UL 94 V-0 rated molding compound, and no polarity marking (bidirectional).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (positive half-cycle) | One terminal of symmetrical junction; connects to protected line without polarity constraint |
| Cathode | Transient current entry (negative half-cycle) | Second terminal of symmetrical junction; functionally identical to Anode in bidirectional mode |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive applications including engine control, ADAS sensors, and infotainment power rails |
| Halogen-free & RoHS compliant (M3) | Meets environmental compliance mandates for global OEM supply chains without compromising surge robustness |
| Low incremental surge resistance | Enables tighter clamping (VC − VBR ≈ 18 V) versus competing TVS devices, reducing IC stress during transients |
| MSL Level 1 rating | Supports standard SMT reflow profiles up to 260 °C peak without preconditioning or dry-pack requirements |
| Glass-passivated junction | Ensures long-term stability of VBR and leakage under thermal cycling and humidity exposure |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Protection |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor inputs (e.g., pressure, temperature) from load-dump and ISO 7637-2 pulses in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector interface to shunt surge energy before reaching signal conditioning circuitry. Use Value: Maintains signal fidelity during 1500 W transients while meeting AEC-Q101 reliability for 15-year automotive service life. | Use Scenario: Safeguarding 24 V DC digital input modules in programmable logic controllers against field-wiring induced surges and relay contact bounce. IC Role / Device Role / Timing Role: Primary overvoltage clamp on each isolated input channel, coordinated with upstream fusing and filtering. Use Value: Enables >100,000 surge cycles at rated PPPM without parameter drift, supporting industrial maintenance intervals. |
| Telecom Power Rail Protection | Consumer USB Interface Protection |
Use Scenario: Guarding 48 V PoE-powered Ethernet switch ports against lightning-induced common-mode surges on data pairs and power lines. IC Role / Device Role / Timing Role: Secondary-level TVS on DC-DC converter input rails and Ethernet PHY power domains. Use Value: Clamps 10/1000 µs surges to <58.1 V, preventing latch-up in 50 V-rated DC-DC controllers and maintaining IEEE 802.3af/at compliance. | Use Scenario: Protecting USB 2.0 data lines and VBUS pins in portable audio docks and smart home hubs from ESD and hot-plug transients. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF typical) bidirectional clamp placed adjacent to USB connector per IEC 61000-4-2 Level 4. Use Value: Delivers sub-100 ns response with <1.0 µA leakage at 36 V, preserving signal integrity and battery standby current. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ36CA-E3/57T | Same VWM/VBR/PPPM specs but in SMA (DO-214AC) package; RθJA = 85 °C/W; not AEC-Q101 qualified | Lacks automotive qualification; lower thermal performance limits sustained surge duty cycle in enclosed enclosures | Select when cost sensitivity outweighs AEC-Q101 requirement and board space allows larger SMA footprint |
| TPSMD36CA | 1500 W PPPM, same VWM, but in SMC (DO-214AB) package; RθJA = 65 °C/W; AEC-Q101 qualified; higher VF at IF = 100 A | Better thermal dissipation but larger PCB area; requires different pad layout and stencil design | Prefer for high-ambient-temperature industrial designs where thermal headroom is critical and layout flexibility exists |
Compared with SMAJ36CA-E3/57T and TPSMD36CA, the SMCG36CA-M3/57T uniquely combines AEC-Q101 qualification, halogen-free compliance, and DO-215AB's optimized thermal-mechanical profile for space-constrained automotive and industrial SMT assemblies - requiring no PCB redesign versus legacy SMCG footprints.
Availability
SMCG36CA-M3/57T is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial PLC I/O modules, and telecom power rail protection requiring stable component supply across multi-year production programs.
Supply support for SMCG36CA-M3/57T 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 optimization.
The SMCG series targets high-energy transient suppression in automotive and industrial environments, engineered for AEC-Q101 compliance, low-profile SMT assembly, and consistent clamping performance across temperature and lifetime.
FAQ
What is the clamping voltage of the SMCG36CA-M3/57T under a 10/1000 µs surge?
The SMCG36CA-M3/57T clamps to a maximum of 58.1 V when subjected to its rated peak pulse current of 25.8 A under the standardized 10/1000 µs waveform. This value is measured with the device mounted on 8.0 mm × 8.0 mm copper pads per JEDEC standards and defines the upper voltage limit imposed on protected circuitry during surge events.
Is the SMCG36CA-M3/57T suitable for automotive applications?
Yes, the SMCG36CA-M3/57T is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, ADAS sensor interfaces, and body electronics. Its halogen-free (M3) construction, -55 °C to +150 °C operating range, and MSL Level 1 reflow compatibility meet stringent OEM requirements for under-hood and cabin-mounted systems.
How does the M3 suffix differ from the E3 suffix in SMCG36CA-M3/57T?
The M3 suffix indicates halogen-free, RoHS-compliant, industrial-grade construction with JESD 201 Class 2 whisker resistance, whereas E3 denotes standard RoHS compliance without halogen-free assurance. Both share identical electrical specifications and DO-215AB packaging, but SMCG36CA-M3/57T satisfies stricter environmental mandates for global automotive and green-electronics programs.
What is the thermal resistance of the SMCG36CA-M3/57T?
The SMCG36CA-M3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on the recommended 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal. This value governs temperature rise under continuous power dissipation and must be used with the 6.5 W PD rating to ensure TJ remains below 150 °C in system-level thermal analysis.
Does the SMCG36CA-M3/57T have polarity markings?
No, the SMCG36CA-M3/57T is a bidirectional TVS diode and carries no polarity marking on the package. Its symmetrical breakdown and clamping characteristics allow installation in either orientation on the PCB - simplifying layout and eliminating risk of reverse installation during automated assembly.
SMCG36CA-M3/57T 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:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 58.1V
- Current - Peak Pulse (10/1000µs):
- 25.8A
- 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)
SMCG36CA-M3/57T FAQ
1.How can I place an order for SMCG36CA-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG36CA-M3/57T 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 SMCG36CA-M3/57T reliable?
The price and inventory of SMCG36CA-M3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG36CA-M3/57T is usually 5 days.
3.What payment methods are accepted for SMCG36CA-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG36CA-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG36CA-M3/57T?
SMCG36CA-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG36CA-M3/57T 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 SMCG36CA-M3/57T?
For technical support, including SMCG36CA-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG36CA-M3/57T requirements.
6.How does Aetrix verify that SMCG36CA-M3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG36CA-M3/57T 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 SMCG36CA-M3/57T meets industry standards.
7.What is the process for return or replacement of SMCG36CA-M3/57T?
All SMCG36CA-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG36CA-M3/57T, 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 SMCG36CA-M3/57T part is unused and in its original packaging.
Return procedure for SMCG36CA-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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