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Vishay General Semiconductor - Diodes Division 1.5SMC200AHM3_A/I
- Part No.:
- 1.5SMC200AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC200AHM3_A/I.pdf
- Description:
- TVS DIODE 171VWM 274VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:3,500
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Product details
Overview
1.5SMC200AHM3_A/I from Vishay General Semiconductor is a unidirectional transient voltage suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection on power and signal lines. It features 200 V standoff voltage (VWM), 274 V clamping voltage (VC) at 5.5 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with 10/1000 μs waveform - deployed in automotive power electronics, industrial motor drives, and telecom line interfaces.
For engineers reviewing the 1.5SMC200AHM3_A/I datasheet, 1.5SMC200AHM3_A/I pinout, 1.5SMC200AHM3_A/I application, or 1.5SMC200AHM3_A/I equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), polarity marking (cathode band), and halogen-free RoHS-compliant construction per JESD201 Class 2 whisker test.
Technical Context
This unidirectional TVS diode operates as a clamping device that conducts above its breakdown voltage (VBR = 190–210 V) to divert transient energy away from sensitive downstream circuitry. Its glass-passivated junction ensures stable avalanche characteristics and low incremental surge resistance under repetitive 10/1000 μs surges at 0.01% duty cycle.
Mounted on 8.0 mm × 8.0 mm copper pads, it achieves 1500 W peak pulse power dissipation while maintaining TJ ≤ 150 °C. The device meets MSL Level 1 per J-STD-020, supports lead-free reflow up to 260 °C peak, and is qualified to AEC-Q101 for automotive underhood applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 200 V - Maximum continuous reverse operating voltage before conduction begins; defines safe operating margin below clamping threshold. |
| VBR (Breakdown) | 190–210 V at IT = 1 mA - Voltage at which device enters avalanche breakdown; ensures predictable turn-on during transients. |
| VC (Clamping) | 274 V at IPPM = 5.5 A - Maximum voltage seen by protected circuit during 10/1000 μs surge; critical for IC/MOSFET overvoltage margin. |
| PPPM | 1500 W - Peak pulse power handling capability with standard 10/1000 μs waveform; enables robust lightning and ESD surge immunity. |
| RθJA | 75 °C/W - Junction-to-ambient thermal resistance on recommended pad layout; determines temperature rise under sustained power dissipation. |
| TJ max. | +150 °C - Maximum junction temperature; supports operation in under-hood automotive and industrial environments. |
| AEC-Q101 | Qualified - Validated for automotive reliability including HTOL, TC, UHAST, and ESD; suffix HM3 denotes halogen-free, RoHS-compliant AEC-Q101 grade. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD22-B102. Polarity marked by cathode band on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal in forward bias | Connected to lower-potential side of protected line; enables unidirectional clamping from cathode to anode during reverse transients. |
| Cathode | Current exit terminal in forward bias; marked with band | Connected to higher-potential side (e.g., VBUS or signal line); conducts avalanche current when reverse voltage exceeds VBR. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Enables protection against IEC 61000-4-5 Level 4 (4 kV surge) on 48 V systems without derating or parallel devices. |
| Glass-passivated junction | Ensures stable, repeatable avalanche performance across temperature and lifetime; eliminates parameter drift in harsh environments. |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive-grade reliability including 1000-cycle temperature cycling and 1000-hour HTOL at 150 °C junction temperature. |
| Halogen-free & RoHS-compliant | Meets JEDEC J-STD-609A Class 1 definition; supports environmental compliance for global OEM supply chains. |
| MSL Level 1 (260 °C peak) | Allows single-reflow assembly without moisture sensitivity concerns; eliminates baking requirements prior to SMT placement. |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
Use Scenario: Protection of 24 V/48 V battery-fed ECUs, body control modules, and ADAS sensors against load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between power rail and ground to limit transient overvoltage during alternator load dump events. Use Value: Clamps 274 V at 5.5 A, staying well below 300 V absolute maximum ratings of typical automotive DC-DC controllers and microcontrollers. |
Use Scenario: Input stage surge suppression on variable-frequency drives receiving 3-phase rectified DC bus voltage. IC Role / Device Role / Timing Role: Primary overvoltage clamp on DC link rails exposed to switching transients and inductive kickback from IGBT gate drivers. Use Value: Withstands 1500 W peak pulse power and 200 A non-repetitive forward surge (IFSM), enabling robust front-end protection without sacrificial fusing. |
| Telecom Line Interface | Consumer Appliance Control Boards |
Use Scenario: Secondary protection on Ethernet PHY power rails and RS-485 transceiver VCC lines in outdoor base stations. IC Role / Device Role / Timing Role: Fast-response clamping device absorbing induced lightning surges (IEC 61000-4-5) before they reach communication ICs. Use Value: 274 V clamping voltage preserves >20 V headroom for 24 V-powered PHYs, preventing latch-up or permanent damage during 1 kV/2 kV surge tests. |
Use Scenario: Overvoltage guard on microcontroller VDD lines in washing machine main control boards subjected to relay coil flyback. IC Role / Device Role / Timing Role: Low-leakage (ID ≤ 1 μA at 200 V) unidirectional TVS that remains inert during normal operation but activates within <1 ns during inductive spikes. Use Value: 190–210 V breakdown range aligns precisely with 200 V nominal input rails, ensuring no false triggering while guaranteeing activation before MOSFET drain-source breakdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ200A-E3/57T | Same VWM (200 V), lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 or automotive load dump. | Select only for space-constrained consumer designs where surge energy is limited to <400 W. |
| 1.5KE200A | Through-hole DO-201 package, same VWM/VC specs, but lacks AEC-Q101 qualification and MSL Level 1 rating | Not suitable for automated SMT production or automotive underhood use due to leaded construction and moisture sensitivity. | Choose only for legacy through-hole prototyping or non-automotive industrial repairs where reflow compatibility is not required. |
Compared with SMAJ200A-E3/57T and 1.5KE200A, the 1.5SMC200AHM3_A/I delivers superior surge robustness (1500 W vs. 400 W or 1500 W with inferior thermal and reliability specs), full AEC-Q101 validation, and SMT-ready MSL Level 1 packaging - making it the only choice for production automotive and high-reliability industrial designs requiring guaranteed surge immunity and long-term stability.
Availability
1.5SMC200AHM3_A/I is available at Aetrix Electronics and suitable for automotive ECU protection, industrial motor drive inputs, and telecom line interface applications requiring stable component supply, AEC-Q101 traceability, and halogen-free compliance.
Supply support for 1.5SMC200AHM3_A/I 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, efficiency, and application-specific optimization.
The 1.5SMC Series was developed for high-power, surface-mount transient suppression in automotive, industrial, and telecom infrastructure - prioritizing clamping precision, surge endurance, and AEC-Q101 qualification from initial design.
FAQ
What is the clamping voltage of the 1.5SMC200AHM3_A/I under a 10/1000 μs surge?
The 1.5SMC200AHM3_A/I has a maximum clamping voltage (VC) of 274 V at 5.5 A peak pulse current (IPPM) with a 10/1000 μs waveform. This value is measured per standard test conditions (TA = 25 °C, mounted on 8.0 mm × 8.0 mm copper pads) and defines the upper voltage limit imposed on protected circuitry during surge events.
Is the 1.5SMC200AHM3_A/I qualified for automotive applications?
Yes, the 1.5SMC200AHM3_A/I is AEC-Q101 qualified - confirmed by the HM3 suffix, which denotes halogen-free, RoHS-compliant construction with full automotive reliability testing including HTOL, temperature cycling, and ESD. It is approved for underhood and powertrain ECU applications per Vishay documentation.
What does the "HM3" suffix mean in 1.5SMC200AHM3_A/I?
The "HM3" suffix in 1.5SMC200AHM3_A/I indicates halogen-free, RoHS-compliant construction meeting JESD201 Class 2 whisker resistance, plus AEC-Q101 qualification. The "_A" denotes revision level, and "/I" specifies 3500-unit tape-and-reel packaging on 13-inch reels - all defined in Vishay's official ordering information table.
How does the 1.5SMC200AHM3_A/I compare to bidirectional TVS diodes like 1.5SMC200CA?
The 1.5SMC200AHM3_A/I is unidirectional and features a cathode band for polarity identification, while 1.5SMC200CA is bidirectional with no polarity marking. Electrically, the unidirectional version offers lower leakage (<1 μA at VWM) and supports forward surge current (IFSM = 200 A), whereas the bidirectional variant provides symmetrical clamping but higher reverse leakage above 10 V VR.
What is the thermal resistance of the 1.5SMC200AHM3_A/I, and how does it affect layout?
The 1.5SMC200AHM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on minimum recommended 8.0 mm × 8.0 mm copper pads per terminal. To maintain TJ ≤ 150 °C under sustained power, PCB layout must allocate adequate copper area and avoid thermal bottlenecks - especially critical in automotive and industrial ambient temperatures above 85 °C.
1.5SMC200AHM3_A/I 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:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
1.5SMC200AHM3_A/I FAQ
1.How can I place an order for 1.5SMC200AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC200AHM3_A/I 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 1.5SMC200AHM3_A/I reliable?
The price and inventory of 1.5SMC200AHM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC200AHM3_A/I is usually 5 days.
3.What payment methods are accepted for 1.5SMC200AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC200AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC200AHM3_A/I?
1.5SMC200AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC200AHM3_A/I 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 1.5SMC200AHM3_A/I?
For technical support, including 1.5SMC200AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC200AHM3_A/I requirements.
6.How does Aetrix verify that 1.5SMC200AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All 1.5SMC200AHM3_A/I 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 1.5SMC200AHM3_A/I meets industry standards.
7.What is the process for return or replacement of 1.5SMC200AHM3_A/I?
All 1.5SMC200AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC200AHM3_A/I, 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 1.5SMC200AHM3_A/I part is unused and in its original packaging.
Return procedure for 1.5SMC200AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC200AHM3_A/I Tags
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