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Vishay General Semiconductor - Diodes Division SMCG36C-E3/57T
- Part No.:
- SMCG36C-E3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG36C-E3/57T.pdf
- Description:
- TVS DIODE 36VWM 64.3VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,025
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Product details
Overview
SMCG36C-E3/57T from Vishay General Semiconductor is a bi-directional transient voltage suppressor (TVS) in DO-215AB (SMCG) package, designed for clamping voltage transients on signal/power lines. It features 36 V stand-off voltage (VWM), 1500 W peak pulse power (PPPM), 58.1 V maximum clamping voltage (VC) at IPPM, and AEC-Q101 qualification for automotive reliability.
For engineers reviewing the SMCG36C-E3/57T datasheet, SMCG36C-E3/57T pinout, SMCG36C-E3/57T application, or SMCG36C-E3/57T equivalent, this device is selected for robust ESD/surge protection in automotive sensor interfaces, industrial I/O modules, and telecom line drivers where bidirectional clamping and low incremental surge resistance are critical.
Technical Context
The SMCG36C-E3/57T implements a bi-directional avalanche diode structure with glass-passivated junction, enabling symmetrical clamping in both polarities. Its 10/1000 μs waveform response delivers 25.8 A peak pulse current (IPPM) while maintaining VC ≤ 58.1 V - critical for protecting downstream MOSFET gates and MCU I/O pins.
Thermal design is supported by RθJA = 75 °C/W and RθJL = 15 °C/W, with operation rated from –55 °C to +150 °C. The device meets MSL Level 1 (260 °C reflow peak) and JESD201 Class 1A whisker resistance, confirming suitability for automated SMT assembly in high-reliability environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 36 V - maximum continuous reverse voltage before clamping begins; defines operating margin below breakdown |
| VC (Clamping Voltage) | 58.1 V at IPPM - peak voltage seen by protected circuit during 10/1000 μs surge; limits stress on downstream ICs |
| PPPM (Peak Pulse Power) | 1500 W - energy-handling capacity for standardized transient waveforms; enables protection against IEC 61000-4-5 surges |
| IPPM (Peak Pulse Current) | 25.8 A - maximum surge current the device safely diverts without degradation; verified per Fig. 3 waveform |
| TJ max. | +150 °C - maximum junction temperature; supports under-hood automotive placement with minimal derating |
| AEC-Q101 Qualified | Yes - validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC standard |
| Package | DO-215AB (SMCG) - surface-mount gull-wing outline with 8.0 mm × 8.0 mm copper pad requirement for thermal performance |
Pinout & Package
DO-215AB (SMCG) package: gull-wing surface-mount outline with two terminals; bi-directional construction means no polarity marking - both terminals are electrically symmetrical.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode/Cathode (symmetrical) | Transient current path | Bi-directional conduction - either terminal serves as input/output; no cathode band marking required |
| Case / Body | Thermal interface | Non-electrical; requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal for specified PPPM rating |
Key Features
| Feature | Design Value |
|---|---|
| Bi-directional clamping | Enables single-device protection of AC-coupled or floating signal lines without polarity concerns |
| Low incremental surge resistance | Minimizes voltage overshoot during fast transients - critical for sub-100 ns ESD events |
| UL 94 V-0 molding compound | Ensures flame retardancy in enclosed automotive and industrial enclosures |
| Matte tin-plated leads | Guarantees solderability per J-STD-002 and JESD22-B102; compatible with lead-free reflow profiles |
| MSL Level 1 rating | Allows unlimited floor life and direct placement into 260 °C peak reflow without baking |
Applications
| Automotive Sensor Interface | Industrial PLC Analog Input |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and Hall-effect sensor outputs from load-dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Bi-directional TVS placed at connector entry point to clamp ±100 V transients before reaching signal conditioning circuitry. Use Value: Prevents latch-up or gate oxide damage in 3.3 V/5 V MCUs and analog front-ends while maintaining signal integrity up to 1 MHz. |
Use Scenario: Shielding 4–20 mA current loop inputs from field-induced surges in factory automation cabinets. IC Role / Device Role / Timing Role: Primary overvoltage clamp across input terminals, working in concert with series current-limiting resistors. Use Value: Enables compliance with IEC 61000-4-5 Level 3 (2 kV surge) without adding active components or PCB space. |
| Telecom Line Driver Protection | Consumer Appliance Motor Control |
Use Scenario: Safeguarding RS-485 transceivers in base station backhaul links exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Bidirectional clamping element on differential pair, referenced to local ground plane. Use Value: Maintains common-mode rejection ratio (CMRR) during surge events due to matched clamping thresholds on both lines. |
Use Scenario: Suppressing commutation spikes from brushed DC motors in smart home appliances (e.g., washing machine control boards). IC Role / Device Role / Timing Role: Parallel-connected TVS across motor terminals to absorb inductive kickback energy. Use Value: Eliminates need for snubber RC networks - reduces BOM count and improves long-term reliability vs. MOV-based solutions. |
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 | Same VWM (36 V) and bi-directionality, but lower PPPM (400 W) and higher VC (60.0 V); SMA package (smaller footprint, higher RθJA) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 or automotive load-dump | Select when board space is constrained and surge energy is < 50 mJ |
| SMCJ36CA | Same DO-214AB package family, identical VWM and VC (58.1 V), but rated for 1500 W PPPM and qualified to AEC-Q101 - differs only in marking code and tape/reel packaging | Functionally interchangeable in all electrical and thermal respects; same thermal pad layout and mounting requirements | Preferred for new designs requiring full traceability to Vishay's SMCJ series documentation and broader distributor stock availability |
Compared with SMAJ36CA, SMCG36C-E3/57T delivers 275 % higher surge power handling and tighter clamping; versus SMCJ36CA, it shares identical protection performance but uses the newer SMCG outline optimized for automated optical inspection and reduced coplanarity variation.
Availability
SMCG36C-E3/57T is available at Aetrix Electronics and suitable for automotive sensor modules, industrial programmable logic controllers, and telecom infrastructure equipment requiring stable component supply and AEC-Q101-compliant surge protection.
Supply support for SMCG36C-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, and protection devices with emphasis on reliability, efficiency, and automotive-grade qualification.
The SMCG series was developed specifically for high-power, bi-directional transient suppression in space-constrained automotive and industrial applications - prioritizing low clamping voltage, repeatable surge endurance, and seamless SMT integration.
FAQ
What does the "C" suffix indicate in SMCG36C-E3/57T?
The "C" in SMCG36C-E3/57T denotes bi-directional configuration - meaning the device provides symmetrical clamping for both positive and negative transients. This distinguishes it from uni-directional variants (e.g., SMCG36A), which require correct polarity orientation during placement. The SMCG36C-E3/57T has no cathode marking and operates identically regardless of terminal connection direction.
Is SMCG36C-E3/57T suitable for IEC 61000-4-5 surge testing?
Yes, SMCG36C-E3/57T is rated for 1500 W peak pulse power with a 10/1000 μs waveform - sufficient to meet IEC 61000-4-5 Level 4 (4 kV line-to-earth, 2 kV line-to-line) when used with appropriate PCB layout (0.31" × 0.31" copper pads). Its 58.1 V clamping voltage ensures protected circuits remain within safe operating limits during standardized surge events.
Does SMCG36C-E3/57T require a heatsink for 1500 W surge dissipation?
No external heatsink is required for single-event surge handling. The SMCG36C-E3/57T relies on short-duration thermal mass and PCB copper area for energy absorption. Its RθJA = 75 °C/W and RθJL = 15 °C/W ratings assume use of the specified 8.0 mm × 8.0 mm copper pads per terminal - this layout provides adequate transient thermal dissipation without added mechanical complexity.
How does AEC-Q101 qualification impact SMCG36C-E3/57T's use in non-automotive applications?
AEC-Q101 qualification certifies SMCG36C-E3/57T for extended temperature cycling, high-temperature reverse bias, and ESD robustness - benefits that directly improve field reliability in industrial and telecom applications too. While not mandatory outside automotive, this qualification provides measurable assurance of long-term parametric stability and failure-rate predictability under harsh operating conditions.
Can SMCG36C-E3/57T replace SMCG36A-E3/57T in an existing design?
No - SMCG36C-E3/57T is bi-directional while SMCG36A-E3/57T is uni-directional. Swapping them requires verifying circuit polarity and ensuring no DC bias conflicts exist. The SMCG36C-E3/57T lacks a cathode band marking and must be placed without orientation constraints, whereas SMCG36A-E3/57T requires correct anode/cathode alignment. Layout changes may be needed to accommodate the absence of polarity dependency.
SMCG36C-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:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 36V
- Voltage - Breakdown (Min):
- 40V
- Voltage - Clamping (Max) @ Ipp:
- 64.3V
- Current - Peak Pulse (10/1000µs):
- 23.3A
- 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)
SMCG36C-E3/57T FAQ
1.How can I place an order for SMCG36C-E3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG36C-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 SMCG36C-E3/57T reliable?
The price and inventory of SMCG36C-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 SMCG36C-E3/57T is usually 5 days.
3.What payment methods are accepted for SMCG36C-E3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG36C-E3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG36C-E3/57T?
SMCG36C-E3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG36C-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 SMCG36C-E3/57T?
For technical support, including SMCG36C-E3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG36C-E3/57T requirements.
6.How does Aetrix verify that SMCG36C-E3/57T is sourced from the original manufacturer or authorized distributors?
All SMCG36C-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 SMCG36C-E3/57T meets industry standards.
7.What is the process for return or replacement of SMCG36C-E3/57T?
All SMCG36C-E3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCG36C-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 SMCG36C-E3/57T part is unused and in its original packaging.
Return procedure for SMCG36C-E3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG36C-E3/57T Tags
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