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Vishay General Semiconductor - Diodes Division 1.5SMC200CAHE3/9AT
- Part No.:
- 1.5SMC200CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC200CAHE3/9AT.pdf
- Description:
- TVS DIODE 171VWM 274VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:7,634
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Product details
Overview
1.5SMC200CAHE3/9AT from Vishay General Semiconductor is a bidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMC (DO-214AB) package, rated for 1500 W peak pulse power (10/1000 μs), 200 V standoff voltage (VWM), and clamping voltage of 328 V at 4.6 A peak pulse current. It provides robust ESD and surge protection for automotive sensor signal lines, industrial I/O ports, and telecom interface circuits.
For engineers reviewing the 1.5SMC200CAHE3/9AT datasheet, 1.5SMC200CAHE3/9AT pinout, 1.5SMC200CAHE3/9AT application, or 1.5SMC200CAHE3/9AT equivalent, key selection criteria include bidirectional clamping capability, AEC-Q101 qualification, 200 V reverse standoff rating, low thermal resistance (RθJL = 15 °C/W), and compatibility with automated SMT placement on standard PCB pads.
Technical Context
This device operates as a voltage-clamping protector using an avalanche breakdown mechanism. Its bidirectional symmetry enables suppression of both positive and negative transients without polarity sensitivity, making it suitable for AC-coupled or differential signal paths. The glass-passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive surge stress.
Thermally, it features a low junction-to-lead thermal resistance (15 °C/W), enabling effective heat dissipation into PCB copper pads during transient events. It meets MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C, ensuring compatibility with standard lead-free assembly processes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 200 V - Maximum continuous reverse operating voltage before clamping initiates; defines safe operating margin for 200 V nominal systems. |
| VBR (Breakdown) | 237–263 V at 1 mA - Confirmed avalanche onset range; ensures reliable triggering above system operating voltage with margin. |
| VC (Clamping) | 328 V at IPPM = 4.6 A - Peak voltage seen by protected circuit during 10/1000 μs surge; determines maximum stress on downstream components. |
| PPPM | 1500 W - Peak pulse power handling with 10/1000 μs waveform; supports high-energy lightning-induced transients per IEC 61000-4-5. |
| IPPM | 4.6 A - Peak pulse current corresponding to VC; used to size series impedance and verify PCB trace current capacity. |
| TJ max | 150 °C - Maximum junction temperature; sets thermal design limits for sustained power dissipation and ambient derating. |
| RθJL | 15 °C/W - Junction-to-lead thermal resistance; enables accurate thermal modeling when mounted on recommended 8.0 mm × 8.0 mm copper pads. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, bidirectional configuration with no polarity marking. Dimensions: 7.11 mm × 6.22 mm × 2.62 mm (L × W × H); matte tin-plated leads compliant with J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current entry (negative half-cycle) | Conducts during negative surges; forms symmetrical clamping path with cathode in bidirectional operation. |
| Cathode | Transient current entry (positive half-cycle) | Conducts during positive surges; paired with anode to provide full-cycle overvoltage protection without external biasing. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity testing, and surge endurance per AEC specification. |
| 1500 W peak pulse power | Withstands high-energy transients per IEC 61000-4-5 Level 4 (4 kV line-to-line) when properly mounted on 8 mm × 8 mm copper pads. |
| Glass passivated junction | Ensures stable VBR tolerance (±5 %), low leakage (<1 μA at VWM), and immunity to moisture-induced parameter drift. |
| MSL Level 1, 260 °C peak reflow | Enables single-pass lead-free reflow soldering without preconditioning or special handling requirements. |
| Bidirectional symmetry | Eliminates need for polarity-aware layout; simplifies routing on differential buses like RS-485, CAN FD, or Ethernet PHY interfaces. |
Applications
| Automotive Sensor Protection | Industrial PLC I/O Ports |
|---|---|
Use Scenario: Protecting analog sensor outputs (e.g., pressure, temperature) in engine control units from load-dump and inductive switching transients. IC Role / Device Role / Timing Role: Bidirectional clamping TVS placed across sensor output and ground, responding within <1 ns to suppress spikes up to 328 V. Use Value: Prevents latch-up or permanent damage to 24 V-rated op-amps and ADC front-ends while maintaining signal integrity below 200 V operating range. |
Use Scenario: Shielding digital input channels on programmable logic controllers from field-wiring induced surges in factory automation environments. IC Role / Device Role / Timing Role: Standoff-rated protector installed at connector entry point, clamping transients before they reach optocoupler or Schmitt-trigger input stages. Use Value: Enables compliance with IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) without adding series resistance or signal delay. |
| Telecom Line Interface | Consumer Power Adapter Feedback Loop |
Use Scenario: Safeguarding RS-485 transceivers and Ethernet PHYs against lightning-induced common-mode surges on outdoor cabling. IC Role / Device Role / Timing Role: Differential-mode TVS pair (one per line) referenced to chassis ground, leveraging bidirectional symmetry for AC-coupled data lines. Use Value: Maintains signal integrity at >10 Mbps while limiting transient overshoot to ≤328 V, preventing receiver saturation or internal ESD diode failure. |
Use Scenario: Protecting optocoupler feedback pins in isolated AC/DC adapters from primary-side switching noise coupling into secondary-side regulation circuitry. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF) clamp across feedback resistor divider, suppressing fast-rising spikes without affecting loop stability. Use Value: Avoids false overvoltage trips and improves power supply reliability in cost-sensitive consumer chargers and LED drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ200CA | Lower peak power (600 W), same VWM/VC, SMB (DO-214AA) package (smaller footprint, higher RθJA). | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 without parallel devices. | Select when board space is constrained and surge energy is ≤600 W; verify thermal performance with reduced pad area. |
| 1.5KE200CA | Through-hole TO-218 package, identical electrical specs but higher mounting inductance and manual assembly requirement. | Not compatible with automated SMT lines; less suitable for high-density or vibration-prone automotive modules. | Choose only for legacy through-hole designs or prototyping where rework flexibility outweighs production efficiency. |
Compared with 1.5SMC200CAHE3/9AT, SMBJ200CA offers smaller size but sacrifices 60 % peak power handling and thermal robustness, while 1.5KE200CA retains full electrical performance but eliminates SMT compatibility and increases board-level inductance-making 1.5SMC200CAHE3/9AT optimal for AEC-Q101-compliant, high-reliability SMT deployments.
Availability
1.5SMC200CAHE3/9AT is available at Aetrix Electronics and suitable for automotive sensor modules, industrial PLC I/O protection, and telecom line interface circuits requiring stable component supply, AEC-Q101 qualification, and RoHS-compliant manufacturing.
Supply support for 1.5SMC200CAHE3/9AT 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, MOSFETs, and protection devices with emphasis on reliability, precision, and automotive-grade validation.
The 1.5SMC Series is engineered for high-power transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where robustness against lightning, EFT, and load dump is mission-critical.
FAQ
What is the clamping voltage of the 1.5SMC200CAHE3/9AT under a 10/1000 μs surge?
The 1.5SMC200CAHE3/9AT clamps to a maximum of 328 V at 4.6 A peak pulse current (IPPM) under 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 1.5SMC200CAHE3/9AT AEC-Q101 qualified?
Yes, the 1.5SMC200CAHE3/9AT carries the HE3 suffix, indicating it is RoHS-compliant and AEC-Q101 qualified. This certification covers stress tests including temperature cycling, high-temperature operating life, and surge endurance-validating its suitability for automotive powertrain and body electronics applications.
What does the "CA" suffix mean in 1.5SMC200CAHE3/9AT?
The "CA" suffix in 1.5SMC200CAHE3/9AT denotes a bidirectional configuration. Unlike unidirectional variants (e.g., 1.5SMC200A), this device provides symmetrical clamping for both positive and negative transients without requiring polarity-aware PCB layout-ideal for AC-coupled or differential signal lines.
What is the standoff voltage rating of the 1.5SMC200CAHE3/9AT?
The 1.5SMC200CAHE3/9AT has a reverse standoff voltage (VWM) of 200 V. This is the maximum DC or continuous peak voltage the device can block without entering avalanche conduction, establishing its operational margin in 200 V nominal systems such as 24 V automotive subsystems with safety headroom.
Does the 1.5SMC200CAHE3/9AT require a heatsink for standard operation?
No, the 1.5SMC200CAHE3/9AT does not require an external heatsink for transient suppression duty cycles (e.g., 0.01 % duty cycle, 10/1000 μs pulses). Its low junction-to-lead thermal resistance (15 °C/W) and specified mounting on 8.0 mm × 8.0 mm copper pads provide sufficient thermal path for energy dissipation during short-duration surges.
1.5SMC200CAHE3/9AT 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- 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:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
1.5SMC200CAHE3/9AT FAQ
1.How can I place an order for 1.5SMC200CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC200CAHE3/9AT 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 1.5SMC200CAHE3/9AT reliable?
The price and inventory of 1.5SMC200CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC200CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for 1.5SMC200CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC200CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC200CAHE3/9AT?
1.5SMC200CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC200CAHE3/9AT 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 1.5SMC200CAHE3/9AT?
For technical support, including 1.5SMC200CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC200CAHE3/9AT requirements.
6.How does Aetrix verify that 1.5SMC200CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All 1.5SMC200CAHE3/9AT 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 1.5SMC200CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of 1.5SMC200CAHE3/9AT?
All 1.5SMC200CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC200CAHE3/9AT, 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 1.5SMC200CAHE3/9AT part is unused and in its original packaging.
Return procedure for 1.5SMC200CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC200CAHE3/9AT Tags
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Toshiba Semiconductor and Storage
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