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Vishay General Semiconductor - Diodes Division 1.5SMC150AHE3/57T
- Part No.:
- 1.5SMC150AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC150AHE3/57T.pdf
- Description:
- TVS DIODE 128VWM 207VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:8,362
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Product details
Overview
1.5SMC150AHE3/57T 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 150 V standoff voltage (VWM), 1500 W peak pulse power (10/1000 μs), clamping voltage of 207 V at 7.2 A peak pulse current, and operates across -65 °C to +150 °C junction temperature - deployed in automotive power supply rails and industrial sensor interfaces.
For engineers reviewing the 1.5SMC150AHE3/57T datasheet, 1.5SMC150AHE3/57T pinout, 1.5SMC150AHE3/57T application, or 1.5SMC150AHE3/57T equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, SMC (DO-214AB) package details, clamping performance under surge conditions, and direct alternatives for ESD/lightning transient suppression in high-reliability systems.
Technical Context
This TVS diode uses a glass-passivated silicon junction to achieve fast response time (<1 ns) and low incremental surge resistance, enabling effective clamping of transients induced by inductive switching or lightning surges. Its unidirectional polarity with cathode band marking ensures correct orientation in DC-biased protection circuits.
The device is rated for 1500 W peak pulse power per 10/1000 μs waveform at 0.01% duty cycle, derated above 25 °C ambient per thermal curves, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. It is AEC-Q101 qualified (HE3 suffix), confirming suitability for automotive electronics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off Voltage) | 128 V - Maximum continuous reverse operating voltage before clamping begins; defines safe DC bias margin in protected line. |
| VBR (Breakdown Voltage) | 143–158 V at 1 mA - Voltage at which avalanche conduction initiates; ensures predictable turn-on during overvoltage events. |
| VC (Clamping Voltage) | 207 V at IPPM = 7.2 A - Maximum voltage seen by downstream circuit during 10/1000 μs surge; critical for IC/MOSFET survival. |
| PPPM (Peak Pulse Power) | 1500 W - Surge energy handling capability under standardized waveform; supports IEC 61000-4-5 Level 4 compliance when properly laid out. |
| IR (Reverse Leakage) | 1.0 μA at VWM - Negligible standby current; avoids loading sensitive analog or low-power control circuits. |
| TJ max | +150 °C - Enables operation in under-hood automotive or industrial environments without thermal derating penalties. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per stress test plan. |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile case with matte tin-plated leads solderable per J-STD-002 and JESD 22-B102. Meets UL 94 V-0 flammability rating. Polarity indicated by cathode band on unidirectional devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side (e.g., ground or return path) in unidirectional configuration; enables forward surge current path up to 200 A (8.3 ms). |
| Cathode | Avalanche conduction terminal | Marked end; connected to protected line (e.g., 12 V rail); conducts reverse avalanche current during overvoltage, clamping to VC ≤ 207 V. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power (10/1000 μs) | Supports high-energy transient suppression in automotive load-dump and industrial motor drive environments. |
| AEC-Q101 qualified (HE3 suffix) | Validated for automotive electronics use including engine control units, body controllers, and ADAS power supplies. |
| Glass passivated junction | Ensures stable breakdown characteristics and long-term reliability under thermal cycling and humidity stress. |
| MSL Level 1 (260 °C peak) | Enables standard SMT reflow assembly without moisture sensitivity concerns or baking requirements. |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients, improving protection margin for downstream MOSFETs and microcontrollers. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V/24 V battery-fed ECUs against ISO 7637-2 load dump and jump-start surges. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power input and ground to clamp transients before they reach LDOs or MCU power pins. Use Value: Clamps to 207 V at 7.2 A, limiting stress on 36 V-rated input regulators and preventing latch-up in automotive-grade MCUs. |
Use Scenario: Safeguarding analog outputs (4–20 mA, 0–10 V) and digital I/O (CAN, RS-485) in PLC modules exposed to field wiring transients. IC Role / Device Role / Timing Role: Standoff-rated TVS on signal lines to absorb EFT bursts and lightning-induced surges without affecting signal integrity. Use Value: 1.0 μA leakage at 128 V ensures minimal offset error in precision current loops; fast <1 ns response prevents data corruption. |
| Telecom DC Power Input Protection | Consumer Device USB/DC Jack Protection |
Use Scenario: Front-end protection for PoE-powered switches and base station RF modules receiving 48 V DC input. IC Role / Device Role / Timing Role: Primary surge suppressor on DC input rail upstream of DC/DC converters and hot-swap controllers. Use Value: 1500 W rating handles multiple repetitions of IEC 61000-4-5 Comb Wave (1.2/50 μs + 8/20 μs), extending system MTBF in outdoor deployments. |
Use Scenario: Overvoltage guard on 5 V/9 V/12 V DC input jacks of smart speakers, set-top boxes, and gaming peripherals. IC Role / Device Role / Timing Role: Low-leakage unidirectional TVS absorbing plug-in surges and static discharge before reaching USB-C PD controllers or PMICs. Use Value: 128 V VWM provides ample margin above 12 V nominal rails while maintaining sub-μA leakage - no impact on standby power budget. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150A-E3/52 | Lower peak power (600 W), SMB package (smaller footprint), same VWM/VBR range, non-AEC-Q101. | Suitable for space-constrained consumer or telecom boards where 1500 W surge margin is not required. | Select when board area is limited and surge threat level is moderate (IEC 61000-4-4 EFT only). |
| 1.5KE150A-T | Through-hole DO-201 package, identical electrical specs (VWM=128 V, VC=207 V), no AEC-Q101, higher RθJA (75 vs. 65 °C/W). | Used in legacy industrial power supplies or repair scenarios requiring through-hole replacement. | Choose only when SMT assembly is unavailable or mechanical robustness under vibration is prioritized over density. |
Compared with 1.5SMC150AHE3/57T, SMBJ150A-E3/52 trades surge capacity for compactness and cost, while 1.5KE150A-T retains full electrical equivalence but sacrifices AEC-Q101 validation and SMT compatibility - making 1.5SMC150AHE3/57T the optimal choice for new automotive and high-reliability SMT designs.
Availability
1.5SMC150AHE3/57T is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interface protection, and telecom DC input circuits requiring stable component supply, AEC-Q101 assurance, and 1500 W transient immunity.
Supply support for 1.5SMC150AHE3/57T 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, efficiency, and application-specific optimization.
The 1.5SMC Series was developed to deliver high-power, surface-mount transient suppression for automotive, industrial, and communications systems where AEC-Q101 qualification, low-profile packaging, and repeatable clamping performance are mandatory.
FAQ
What is the clamping voltage of the 1.5SMC150AHE3/57T under maximum surge conditions?
The 1.5SMC150AHE3/57T has a maximum clamping voltage (VC) of 207 V at 7.2 A peak pulse current (IPPM), measured with a 10/1000 μs waveform. This value is guaranteed per the Vishay datasheet and defines the upper voltage limit imposed on protected circuitry during standardized surge events - critical for ensuring downstream components like 36 V-rated regulators remain within safe operating limits.
Is the 1.5SMC150AHE3/57T AEC-Q101 qualified?
Yes, the 1.5SMC150AHE3/57T is AEC-Q101 qualified, confirmed by the "HE3" suffix in its part number and documented in Vishay's official 1.5SMC series datasheet (Document Number: 88303). This qualification covers stress tests including temperature cycling, high-temperature reverse bias (HTRB), and ESD, validating its suitability for automotive electronic control units and powertrain modules.
What package type does the 1.5SMC150AHE3/57T use, and what are its key mechanical features?
The 1.5SMC150AHE3/57T uses the SMC (DO-214AB) surface-mount package: dimensions 7.11 mm × 6.22 mm × 2.62 mm, with matte tin-plated leads compliant with J-STD-002 and JESD 22-B102. It meets UL 94 V-0 flammability rating and MSL Level 1 (260 °C peak reflow), enabling robust, lead-free SMT assembly without moisture sensitivity concerns.
How does the 1.5SMC150AHE3/57T differ from bidirectional variants like 1.5SMC150CAHE3/57T?
The 1.5SMC150AHE3/57T is unidirectional, featuring a cathode band for polarity-sensitive placement on DC-biased lines; it conducts forward surge current up to 200 A. In contrast, 1.5SMC150CAHE3/57T is bidirectional, symmetric in both directions, and used on AC or floating lines (e.g., RS-485, antenna feeds). Their VWM, VBR, and VC values differ accordingly - unidirectional offers higher VWM (128 V) vs. bidirectional (102 V) for the same nominal voltage grade.
What is the maximum operating junction temperature for the 1.5SMC150AHE3/57T?
The 1.5SMC150AHE3/57T has a maximum operating junction temperature (TJ max) of +150 °C, as specified in the Vishay 1.5SMC series datasheet. This rating allows reliable operation in under-hood automotive environments and high-ambient industrial enclosures, provided PCB copper pad layout follows the recommended 8.0 mm × 8.0 mm thermal pads per terminal to maintain thermal resistance (RθJA = 75 °C/W).
1.5SMC150AHE3/57T 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):
- 128V
- Voltage - Breakdown (Min):
- 143V
- Voltage - Clamping (Max) @ Ipp:
- 207V
- Current - Peak Pulse (10/1000µs):
- 7.2A
- 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)
1.5SMC150AHE3/57T FAQ
1.How can I place an order for 1.5SMC150AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC150AHE3/57T 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 1.5SMC150AHE3/57T reliable?
The price and inventory of 1.5SMC150AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC150AHE3/57T is usually 5 days.
3.What payment methods are accepted for 1.5SMC150AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC150AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC150AHE3/57T?
1.5SMC150AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC150AHE3/57T 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 1.5SMC150AHE3/57T?
For technical support, including 1.5SMC150AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC150AHE3/57T requirements.
6.How does Aetrix verify that 1.5SMC150AHE3/57T is sourced from the original manufacturer or authorized distributors?
All 1.5SMC150AHE3/57T 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 1.5SMC150AHE3/57T meets industry standards.
7.What is the process for return or replacement of 1.5SMC150AHE3/57T?
All 1.5SMC150AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC150AHE3/57T, 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 1.5SMC150AHE3/57T part is unused and in its original packaging.
Return procedure for 1.5SMC150AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC150AHE3/57T Tags
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