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Vishay General Semiconductor - Diodes Division 1.5SMC200A-M3/57T
- Part No.:
- 1.5SMC200A-M3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC200A-M3/57T.pdf
- Description:
- TVS DIODE 171VWM 274VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:8,899
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Product details
Overview
1.5SMC200A-M3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, rated for 200 V standoff voltage (VWM), 210 V minimum breakdown voltage (VBR), and 1500 W peak pulse power (10/1000 µs). It clamps transients to 274 V at 5.5 A peak pulse current and is halogen-free, RoHS-compliant, and qualified to J-STD-020 MSL Level 1.
For engineers reviewing the 1.5SMC200A-M3/57T datasheet, 1.5SMC200A-M3/57T pinout, 1.5SMC200A-M3/57T application, or 1.5SMC200A-M3/57T equivalent, this page delivers verified electrical specs, thermal behavior, polarity marking, PCB layout guidance, and automotive-grade alternatives - all validated against Vishay Document #88303 (Rev. 09-Mar-2026).
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, designed to protect downstream ICs and MOSFETs from inductive switching spikes and lightning-induced surges. Its glass-passivated junction ensures stable avalanche characteristics and low incremental surge resistance.
It delivers 1500 W peak pulse power under standardized 10/1000 µs waveform conditions, with thermal resistance of 75 °C/W (junction-to-ambient) and 15 °C/W (junction-to-leads), enabling reliable operation up to 150 °C junction temperature and supporting repetitive surge duty cycles at ≤0.01 %.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 171 V - Maximum continuous reverse operating voltage before clamping initiates; defines safe DC/AC bias margin. |
| VBR (Breakdown Voltage) | 190–210 V at 1 mA test current - Confirmed avalanche onset range; ensures predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 274 V at 5.5 A IPPM - Peak voltage seen by protected circuit during 10/1000 µs transient; determines stress on downstream components. |
| PPPM (Peak Pulse Power) | 1500 W - Surge energy handling capability per single 10/1000 µs event; enables robust protection in industrial and automotive environments. |
| ID (Reverse Leakage) | 1.0 µA max at VWM - Minimal standby current leakage; preserves signal integrity and battery life in always-on circuits. |
| TJ max | 150 °C - Maximum allowable junction temperature; supports operation in under-hood automotive and high-ambient industrial settings. |
| Package | SMC (DO-214AB) - Standardized surface-mount outline with 8.0 mm × 8.0 mm copper pad requirement; compatible with automated placement and reflow. |
Pinout & Package
SMC (DO-214AB) package: molded epoxy case with matte tin-plated leads, UL 94 V-0 rated, MSL Level 1, and cathode identified by a band on the body. Mounting requires 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal per Vishay specification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point in forward conduction mode | Connected to system ground or lower-potential rail when used in unidirectional configuration. |
| Cathode | Current exit point in forward conduction; marked with band | Connected to protected line (e.g., power rail or signal); defines clamping polarity and directionality. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power (10/1000 µs) | Enables suppression of high-energy transients without degradation - critical for 24 V/48 V industrial and automotive power rails. |
| Glass passivated chip junction | Ensures stable, repeatable avalanche performance across temperature and lifetime; eliminates parameter drift due to moisture or contamination. |
| Halogen-free, RoHS-compliant (M3 suffix) | Meets global environmental compliance requirements including JEDEC J-STD-020 and JESD201 Class 2 whisker resistance. |
| Low incremental surge resistance | Minimizes clamping voltage overshoot during fast-rising transients (<1 ns rise time), improving protection margin for sensitive logic inputs. |
| MSL Level 1 rating (260 °C peak) | Supports standard lead-free reflow profiles without preconditioning; eliminates moisture-related popcorning risk during assembly. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 24 V CAN bus power lines and ECU supply inputs from load-dump and jump-start transients per ISO 7637-2. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between battery rail and DC-DC input, absorbing >100 V spikes within nanoseconds. Use Value: Clamps to 274 V at 5.5 A, limiting stress on downstream regulators and ensuring functional safety compliance without derating. |
Use Scenario: Safeguarding analog outputs (e.g., 4–20 mA loops) and digital I/O (e.g., RS-485) in PLC modules exposed to field wiring surges. IC Role / Device Role / Timing Role: Standoff-rated TVS mounted at connector interface, shunting induced lightning energy before it reaches precision ADCs or isolators. Use Value: 1.0 µA leakage at 171 V VWM prevents signal offset errors; 1500 W rating handles multi-kV surge coupling from adjacent cables. |
| Telecom AC/DC Adapter Input Stage | Consumer Appliance Motor Drive Protection |
Use Scenario: Secondary-side overvoltage suppression in offline SMPS adapters subjected to mains-borne surges (IEC 61000-4-5). IC Role / Device Role / Timing Role: Fast-response TVS across bulk capacitor terminals, clamping rectifier output spikes during line transients. Use Value: 274 V clamping voltage aligns with 400 V-rated electrolytic capacitors, preventing premature failure while maintaining efficiency. |
Use Scenario: Protecting gate drivers and microcontrollers in washing machine motor inverters from back-EMF spikes during brushless motor commutation. IC Role / Device Role / Timing Role: Unidirectional TVS on low-side MOSFET source node, clamping negative-going inductive kickback. Use Value: 200 A IFSM rating withstands repeated 8.3 ms half-sine surges; 150 °C TJ max supports sealed enclosure thermal environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ200A-M3/57T | Lower PPPM (600 W), same VWM/VBR range, SMB package (smaller footprint, higher RθJA = 85 °C/W) | Better suited for space-constrained consumer electronics with lower surge exposure; not recommended for automotive load-dump. | Select when board area is limited and peak surge energy remains below 600 W; verify thermal margin with reduced copper pad area. |
| 1.5SMC200CA-M3/57T | Bidirectional variant; identical VWM/VBR/PPPM but symmetric clamping in both polarities; no cathode band marking | Required for AC-coupled lines (e.g., Ethernet PHY, audio differential pairs) where polarity reversal occurs during normal operation. | Choose only if bidirectional protection is mandated; unidirectional 1.5SMC200A-M3/57T offers superior leakage and lower cost for DC rails. |
Compared with SMBJ200A-M3/57T, the 1.5SMC200A-M3/57T provides 2.5× higher surge power handling and better thermal dissipation; compared with 1.5SMC200CA-M3/57T, it offers tighter leakage control and simpler polarity-aware layout - making it optimal for high-reliability unidirectional DC protection.
Availability
1.5SMC200A-M3/57T is available at Aetrix Electronics and suitable for automotive ECUs, industrial PLC I/O modules, telecom power supplies, and appliance motor controllers requiring stable component supply, halogen-free compliance, and AEC-Q101-qualified alternatives.
Supply support for 1.5SMC200A-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, TVS devices, and optoelectronics with emphasis on reliability, power handling, and automotive qualification.
The 1.5SMC Series was engineered for high-energy transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where robustness, consistency, and long-term stability under surge stress are mandatory.
FAQ
What is the maximum clamping voltage of the 1.5SMC200A-M3/57T under standard test conditions?
The 1.5SMC200A-M3/57T has a maximum clamping voltage (VC) of 274 V when subjected to its rated peak pulse current (IPPM) of 5.5 A using the 10/1000 µs waveform. This value is measured per Figure 1 in Vishay Document #88303 and represents the worst-case voltage imposed on the protected circuit during a defined transient event.
Is the 1.5SMC200A-M3/57T suitable for automotive applications?
Yes - the 1.5SMC200A-M3/57T is halogen-free and RoHS-compliant (M3 suffix), and while the base part is commercial grade, Vishay offers AEC-Q101-qualified variants (e.g., 1.5SMC200AHE3_A/H) in the same family. The 1.5SMC200A-M3/57T itself meets MSL Level 1 and operates up to 150 °C, making it suitable for non-safety-critical automotive subsystems such as body control modules and infotainment power rails.
How does the 1.5SMC200A-M3/57T differ from the bidirectional 1.5SMC200CA-M3/57T?
The 1.5SMC200A-M3/57T is unidirectional with cathode-band polarity marking and specified reverse leakage (ID ≤ 1.0 µA at VWM), whereas the 1.5SMC200CA-M3/57T is bidirectional with symmetrical clamping in both directions and no polarity marking. Their VWM, VBR, PPPM, and package are identical, but the unidirectional version offers lower leakage and simpler integration on DC rails.
What is the thermal resistance of the 1.5SMC200A-M3/57T, and how does it affect PCB layout?
The 1.5SMC200A-M3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W and junction-to-leads (RθJL) of 15 °C/W. To achieve rated power dissipation, Vishay specifies mounting on 0.31" × 0.31" (8.0 mm × 8.0 mm) copper pads per terminal - undersized pads will increase RθJA and reduce safe surge repetition rate or continuous power handling.
Does the 1.5SMC200A-M3/57T require derating at elevated ambient temperatures?
Yes - the 1.5SMC200A-M3/57T must be derated above TA = 25 °C per Figure 2 in Vishay Document #88303. At 85 °C ambient, peak pulse power drops to ~70 % of 1500 W, and at 125 °C, it falls to ~35 %. Derating applies to both single-pulse and repetitive surge conditions and is essential for reliable operation in enclosed or high-temperature environments.
1.5SMC200A-M3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- 1.5SMC, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 171V
- Voltage - Breakdown (Min):
- 190V
- Voltage - Clamping (Max) @ Ipp:
- 274V
- Current - Peak Pulse (10/1000µs):
- 5.5A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
1.5SMC200A-M3/57T FAQ
1.How can I place an order for 1.5SMC200A-M3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC200A-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 1.5SMC200A-M3/57T reliable?
The price and inventory of 1.5SMC200A-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 1.5SMC200A-M3/57T is usually 5 days.
3.What payment methods are accepted for 1.5SMC200A-M3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC200A-M3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC200A-M3/57T?
1.5SMC200A-M3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC200A-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 1.5SMC200A-M3/57T?
For technical support, including 1.5SMC200A-M3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC200A-M3/57T requirements.
6.How does Aetrix verify that 1.5SMC200A-M3/57T is sourced from the original manufacturer or authorized distributors?
All 1.5SMC200A-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 1.5SMC200A-M3/57T meets industry standards.
7.What is the process for return or replacement of 1.5SMC200A-M3/57T?
All 1.5SMC200A-M3/57T units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC200A-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 1.5SMC200A-M3/57T part is unused and in its original packaging.
Return procedure for 1.5SMC200A-M3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC200A-M3/57T Tags
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