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Vishay General Semiconductor - Diodes Division 1.5SMC180AHE3/57T
- Part No.:
- 1.5SMC180AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC180AHE3/57T.pdf
- Description:
- TVS DIODE 154VWM 246VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:8,717
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Product details
Overview
1.5SMC180AHE3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode designed for robust overvoltage protection in power and signal lines. It features a 180 V standoff voltage (VWM), 246 V clamping voltage (VC) at 6.1 A peak pulse current, and 1500 W peak pulse power capability with a 10/1000 μs waveform - deployed in automotive ECUs, industrial motor drives, and telecom interface circuits.
For engineers reviewing the 1.5SMC180AHE3/57T datasheet, 1.5SMC180AHE3/57T pinout, 1.5SMC180AHE3/57T application, or 1.5SMC180AHE3/57T equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, SMC (DO-214AB) package details, clamping performance under surge conditions, and direct alternative part comparisons for design-in validation.
Technical Context
This TVS diode operates as a unidirectional clamping device with cathode-band polarity marking, leveraging a glass-passivated silicon junction for stable breakdown behavior and low incremental surge resistance. Its response time is sub-nanosecond, enabling effective suppression of fast transients such as ESD, inductive switching spikes, and lightning-induced surges.
The 1.5SMC180AHE3/57T is rated for 150 °C maximum junction temperature and meets J-STD-020 MSL Level 1 moisture sensitivity, supporting lead-free reflow up to 260 °C peak. It is AEC-Q101 qualified (HE3 suffix), making it suitable for automotive-grade applications requiring long-term reliability under thermal cycling and mechanical stress.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 154 V - Maximum continuous reverse operating voltage before clamping begins; defines safe working margin below breakdown. |
| VBR (Breakdown) | 171–189 V at 1 mA - Verified breakdown range ensures predictable turn-on during overvoltage events. |
| VC (Clamping) | 246 V at IPPM = 6.1 A - Peak voltage seen by protected circuit during 10/1000 μs surge; critical for IC/MOSFET survivability. |
| PPPM | 1500 W - Surge energy handling capacity with standard 10/1000 μs waveform; supports repetitive 0.01% duty cycle. |
| ID (Leakage) | 1 μA max at VWM - Ultra-low reverse leakage preserves signal integrity and minimizes standby power loss. |
| TJ max | +150 °C - Enables operation in under-hood automotive or high-ambient industrial environments without derating. |
| AEC-Q101 | Qualified - Confirmed reliability for automotive electronics per stress test requirements (HTOL, TC, HTRB, etc.). |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile plastic case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Meets UL 94 V-0 flammability rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Anode-side connection in unidirectional configuration | Reverse-biased during normal operation; conducts only when transient exceeds VBR - defines polarity-sensitive placement on PCB. |
| Anode (unmarked end) | Ground or low-side reference node | Connected to system ground or return path; completes clamping loop during surge event to shunt current safely away from protected IC. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Handles high-energy transients (e.g., ISO 7637-2 Pulse 5a) without degradation - validated for automotive load-dump immunity. |
| Glass-passivated junction | Ensures stable VBR over lifetime and temperature; eliminates parameter drift due to humidity or contamination. |
| MSL Level 1 rating | Allows unlimited floor life and single-reflow processing at 260 °C - simplifies manufacturing and eliminates bake requirements. |
| AEC-Q101 qualification | Validated for automotive use including temperature cycling, high-temp operating life, and unbiased HAST - reduces qualification burden for Tier 1 suppliers. |
| Low clamping ratio (VC/VBR ≈ 1.37) | Minimizes overvoltage stress on downstream components - critical for protecting 175 V-rated MOSFETs or 200 V bus interfaces. |
Applications
| Automotive Power Distribution | Industrial Motor Drive Inputs |
|---|---|
|
Use Scenario: Protection of 12 V/24 V battery-fed control modules against load dump and alternator transients per ISO 7637-2. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC input stage to clamp surges before LDO or buck converter. Use Value: Withstands 1500 W pulses while limiting voltage to 246 V - prevents damage to 36 V-input regulators and microcontrollers. |
Use Scenario: Input-stage surge suppression on variable-frequency drive (VFD) control boards exposed to inductive kickback from contactors and solenoids. IC Role / Device Role / Timing Role: Standoff-rated TVS across AC line inputs or DC bus terminals to absorb switching transients before rectifier bridge. Use Value: 154 V VWM allows compatibility with 120–240 VAC systems; 246 V VC ensures IGBT gate drivers remain within safe operating area. |
| Telecom Interface Protection | Consumer Power Adapter Outputs |
|
Use Scenario: Secondary-side overvoltage safeguard on PoE-powered Ethernet switches and base station RF front-end supplies. IC Role / Device Role / Timing Role: Clamping device on +48 V bias rails feeding RF amplifiers or PHY ICs to prevent latch-up during lightning-induced surges. Use Value: Sub-ns response and 1 μA leakage preserve signal fidelity and efficiency; AEC-Q101 grade supports extended field life in outdoor cabinets. |
Use Scenario: Output rail protection in universal-input AC/DC adapters for smart home hubs and IoT gateways. IC Role / Device Role / Timing Role: Final-stage TVS on regulated 5 V/12 V outputs to suppress coupling noise from internal SMPS or external ESD events. Use Value: Low-profile SMC package fits tight board spaces; RoHS-compliant HE3 suffix meets global regulatory requirements for consumer shipments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ180A | Same VWM (154 V), lower PPPM (600 W), SMB package (smaller footprint, higher RθJA) | Limited to lower-energy transients; not AEC-Q101 qualified | Select when space-constrained and surge energy ≤600 W; verify thermal margin with smaller pad layout. |
| 1.5KE180A | Same VWM/VBR/VC specs, axial-leaded DO-201 package, non-AEC-Q101, higher RθJA (100 °C/W) | Requires through-hole assembly; unsuitable for automated SMT lines or high-reliability automotive use | Use only for prototyping or legacy through-hole designs where reflow compatibility is not required. |
Compared with 1.5SMC180AHE3/57T, SMBJ180A offers reduced surge capacity and no automotive qualification, while 1.5KE180A lacks SMT compatibility and thermal performance - making the 1.5SMC180AHE3/57T the optimal choice for production-grade automotive and industrial SMT designs demanding 1500 W clamping and AEC-Q101 assurance.
Availability
1.5SMC180AHE3/57T is available at Aetrix Electronics and suitable for automotive electronic control units, industrial motor drives, and telecom infrastructure equipment requiring stable component supply, AEC-Q101 compliance, and repeatable surge immunity performance.
Supply support for 1.5SMC180AHE3/57T 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, power efficiency, and automotive-grade qualification.
The 1.5SMC Series was developed specifically for high-power transient suppression in harsh environments - targeting automotive, industrial, and telecom applications where consistent clamping, low leakage, and AEC-Q101 validation are mandatory.
FAQ
What is the clamping voltage of the 1.5SMC180AHE3/57T under a 10/1000 μs surge?
The 1.5SMC180AHE3/57T has a maximum clamping voltage (VC) of 246 V when subjected to its rated peak pulse current of 6.1 A using the standard 10/1000 μs waveform. This value is measured per Figure 1 in Vishay's 88303 datasheet and reflects worst-case voltage seen by protected circuitry during surge events - critical for ensuring downstream components remain within their absolute maximum ratings.
Is the 1.5SMC180AHE3/57T AEC-Q101 qualified?
Yes, the 1.5SMC180AHE3/57T is AEC-Q101 qualified, as confirmed by the "HE3" suffix in its ordering code and documented in Vishay's 1.5SMC Series datasheet (Document Number 88303, Revision 09-Mar-2026). This qualification covers stress tests including high-temperature operating life, temperature cycling, and unbiased highly accelerated stress testing - validating suitability for automotive powertrain and body electronics.
What does the "57T" in 1.5SMC180AHE3/57T indicate?
The "57T" denotes the packaging configuration: a 7-inch diameter plastic tape-and-reel format containing 850 units per reel. This is the standard SMT-compatible delivery method for the 1.5SMC180AHE3/57T, optimized for high-speed pick-and-place assembly. The "HE3" portion confirms RoHS compliance and AEC-Q101 qualification, while "180A" specifies the 180 V unidirectional variant.
How does the 1.5SMC180AHE3/57T compare to bidirectional TVS diodes like 1.5SMC180CA?
The 1.5SMC180AHE3/57T is unidirectional and features a cathode band for polarity-sensitive placement, whereas 1.5SMC180CA is bidirectional with symmetric clamping in both directions and no polarity marking. The 1.5SMC180AHE3/57T offers tighter leakage control (<1 μA) and is preferred for DC rail protection, while 1.5SMC180CA suits AC-coupled or differential signal lines where polarity reversal may occur.
What is the thermal resistance of the 1.5SMC180AHE3/57T?
The 1.5SMC180AHE3/57T has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on the minimum recommended copper pad layout (0.31" x 0.31", 8.0 mm x 8.0 mm per terminal), per Vishay's datasheet Section 3. This value assumes still air convection and is essential for calculating junction temperature rise under continuous power dissipation (PD = 6.5 W) or repetitive surge conditions.
1.5SMC180AHE3/57T 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:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 154V
- Voltage - Breakdown (Min):
- 171V
- Voltage - Clamping (Max) @ Ipp:
- 246V
- Current - Peak Pulse (10/1000µs):
- 6.1A
- 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)
1.5SMC180AHE3/57T FAQ
1.How can I place an order for 1.5SMC180AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC180AHE3/57T 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 1.5SMC180AHE3/57T reliable?
The price and inventory of 1.5SMC180AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC180AHE3/57T is usually 5 days.
3.What payment methods are accepted for 1.5SMC180AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC180AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC180AHE3/57T?
1.5SMC180AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC180AHE3/57T 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 1.5SMC180AHE3/57T?
For technical support, including 1.5SMC180AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC180AHE3/57T requirements.
6.How does Aetrix verify that 1.5SMC180AHE3/57T is sourced from the original manufacturer or authorized distributors?
All 1.5SMC180AHE3/57T 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 1.5SMC180AHE3/57T meets industry standards.
7.What is the process for return or replacement of 1.5SMC180AHE3/57T?
All 1.5SMC180AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC180AHE3/57T, 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 1.5SMC180AHE3/57T part is unused and in its original packaging.
Return procedure for 1.5SMC180AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC180AHE3/57T Tags
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