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Vishay General Semiconductor - Diodes Division SMCJ150AHE3/57T
- Part No.:
- SMCJ150AHE3/57T
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ150AHE3/57T.pdf
- Description:
- TVS DIODE 150VWM 243VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,477
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Product details
Overview
SMCJ150AHE3/57T from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for high-energy surge protection with 150 V standoff voltage, 243 V clamping voltage at 6.2 A peak pulse current, and 1500 W peak pulse power rating under 10/1000 µs waveform. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics.
For engineers reviewing the SMCJ150AHE3/57T datasheet, SMCJ150AHE3/57T pinout, SMCJ150AHE3/57T application, or SMCJ150AHE3/57T equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, 150 V VWM, 243 V VC clamping, and SMC package thermal performance with RθJA = 75 °C/W.
Technical Context
This TVS diode operates as a voltage-clamped shunt protector triggered by reverse-biased avalanche breakdown. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1 µA at VWM), while the low incremental surge resistance enables rapid energy diversion during transients induced by inductive switching or ESD events.
The device is rated for -55 °C to +150 °C operating junction temperature, meets MSL Level 1 per J-STD-020, and supports automated placement with matte tin-plated leads compliant to J-STD-002 and JESD 22-B102. Polarity is marked by cathode band on the unidirectional variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - Maximum continuous reverse operating voltage before clamping begins |
| VBR min/max | 167 V / 185 V at 1 mA - Verified breakdown threshold range ensuring reliable turn-on margin |
| VC @ IPPM | 243 V at 6.2 A - Clamped voltage during 10/1000 µs surge, limiting stress on downstream components |
| PPPM | 1500 W - Peak transient power handling capacity under standardized surge waveform |
| IFSM | 200 A - Single half-sine surge current rating (8.3 ms), supporting high-energy inductive load switching |
| TJ max | +150 °C - Maximum junction temperature enabling operation in under-hood automotive environments |
| RθJA | 75 °C/W - Thermal resistance from junction to ambient on standard 8 mm × 8 mm copper pads |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, low-profile case with matte tin-plated leads; cathode identified by molded band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to system ground or lower-potential rail in unidirectional clamp configuration |
| Cathode | Avalanche breakdown terminal | Connected to protected line; band-marked end sinks surge current into ground when VPROTECTED exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, humidity bias, and mechanical shock testing |
| Glass passivated junction | Ensures stable VBR tolerance and long-term leakage stability under thermal stress |
| Low incremental surge resistance | Minimizes VC overshoot during fast-rising transients, improving protection margin for sensitive ICs |
| MSL Level 1 compliance | Enables direct placement without baking; peak reflow up to 260 °C supported |
| RoHS-compliant & halogen-free option | SMCJ150AHE3/57T uses RoHS-compliant materials meeting JEDEC J-STD-020 and JESD 201 Class 2 whisker requirements |
Applications
| Automotive Power Distribution | Industrial Motor Drive Control |
|---|---|
Use Scenario: Protecting gate drivers and microcontrollers in 12 V/24 V vehicle power networks exposed to load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between high-side switch output and ground to clamp positive surges above 150 V. Use Value: Limits clamped voltage to 243 V, preserving 3.3 V/5 V logic interfaces and preventing MOSFET gate oxide failure during ISO 7637-2 Pulse 5a events. | Use Scenario: Safeguarding encoder feedback lines and analog sensor inputs in variable-frequency drives subject to inductive kickback. IC Role / Device Role / Timing Role: Shunt protector on differential RS-485 or analog input traces, absorbing repetitive 1500 W surges without degradation. Use Value: Maintains <1 µA leakage at 150 V, avoiding signal offset errors in precision 16-bit ADC front-ends while surviving >1000 surge events. |
| Telecom DC Power Feeds | Consumer Appliance Mainboard Protection |
Use Scenario: Guarding PoE-powered Ethernet switches against lightning-induced surges on 48 V DC supply rails. IC Role / Device Role / Timing Role: Primary overvoltage clamp on midspan injector output, coordinated with upstream GDT and downstream polymer PTC. Use Value: Achieves 243 V clamping at 6.2 A with <1 ns response time, meeting IEC 61000-4-5 Level 4 immunity requirements. | Use Scenario: Securing microcontroller I/O pins and relay coil suppression circuits in smart HVAC control boards. IC Role / Device Role / Timing Role: Low-leakage unidirectional suppressor across relay coil terminals to absorb 200 A inductive spikes. Use Value: Withstands 200 A single-half-sine surge (IFSM), eliminating contact arcing and extending relay lifetime beyond 100,000 cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ150AHE3/52T | Lower PPPM (600 W), SMB package (smaller footprint, higher RθJA = 90 °C/W) | Suitable for space-constrained consumer designs with lower surge exposure | Select when board area is critical and peak surge energy remains below 600 W |
| SMCJ150CAHE3/57T | Bidirectional variant; same VWM/VC but symmetric clamping in both polarities | Required for AC-coupled or floating signal lines where negative transients occur | Choose only if bidirectional protection is mandated by circuit topology or standards like IEC 61000-4-4 |
Compared with SMBJ150AHE3/52T and SMCJ150CAHE3/57T, the SMCJ150AHE3/57T delivers 2.5× higher surge power handling and unidirectional optimization for grounded-line protection-making it preferred for automotive and industrial 150 V rail applications where robustness outweighs size constraints.
Availability
SMCJ150AHE3/57T is available at Aetrix Electronics and suitable for automotive power distribution, industrial motor drive control, telecom DC power feeds, and consumer appliance mainboard protection requiring stable component supply and AEC-Q101 assurance.
Supply support for SMCJ150AHE3/57T 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, efficiency, and application-specific validation.
The SMCJ series is engineered for high-energy transient suppression in harsh environments-including automotive, industrial, and telecom-where precise clamping, AEC-Q101 qualification, and repeatable surge endurance are mandatory.
FAQ
What is the clamping voltage of SMCJ150AHE3/57T and how is it measured?
The SMCJ150AHE3/57T has a maximum clamping voltage (VC) of 243 V, measured at 6.2 A peak pulse current (IPPM) using a standardized 10/1000 µs double-exponential surge waveform. This value reflects the actual voltage seen by protected circuitry during worst-case transient events and is guaranteed per Vishay's characterization in Document Number 88394.
Is SMCJ150AHE3/57T qualified for automotive applications?
Yes, SMCJ150AHE3/57T is AEC-Q101 qualified, as indicated by the "HE3" suffix. It undergoes rigorous stress testing-including temperature cycling, high-temperature reverse bias, and mechanical shock-to ensure reliability in automotive powertrain, body electronics, and ADAS systems per the AEC-Q101 standard.
What does the "57T" suffix mean in SMCJ150AHE3/57T?
The "57T" suffix denotes the packaging format: 7-inch diameter plastic tape and reel, with a base quantity of 850 units per reel. This configuration supports automated SMT placement and is compatible with standard pick-and-place equipment used in high-volume electronics manufacturing.
How does SMCJ150AHE3/57T differ from bidirectional SMCJ150CAHE3/57T?
SMCJ150AHE3/57T is unidirectional with cathode marking and clamps only positive transients relative to ground, while SMCJ150CAHE3/57T is bidirectional and clamps surges of either polarity. Their VWM, VC, and PPPM ratings are identical, but polarity and application context determine selection-unidirectional for grounded DC lines, bidirectional for AC or floating signals.
What is the thermal resistance of SMCJ150AHE3/57T and how does it affect layout design?
The SMCJ150AHE3/57T 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 6.5 W dissipation, PCB layout must provide adequate copper area and avoid thermal bottlenecks near the SMC footprint.
SMCJ150AHE3/57T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 150V
- Voltage - Breakdown (Min):
- 167V
- Voltage - Clamping (Max) @ Ipp:
- 243V
- Current - Peak Pulse (10/1000µs):
- 6.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
SMCJ150AHE3/57T FAQ
1.How can I place an order for SMCJ150AHE3/57T through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ150AHE3/57T 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 SMCJ150AHE3/57T reliable?
The price and inventory of SMCJ150AHE3/57T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ150AHE3/57T is usually 5 days.
3.What payment methods are accepted for SMCJ150AHE3/57T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ150AHE3/57T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ150AHE3/57T?
SMCJ150AHE3/57T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ150AHE3/57T 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 SMCJ150AHE3/57T?
For technical support, including SMCJ150AHE3/57T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ150AHE3/57T requirements.
6.How does Aetrix verify that SMCJ150AHE3/57T is sourced from the original manufacturer or authorized distributors?
All SMCJ150AHE3/57T 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 SMCJ150AHE3/57T meets industry standards.
7.What is the process for return or replacement of SMCJ150AHE3/57T?
All SMCJ150AHE3/57T units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ150AHE3/57T, 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 SMCJ150AHE3/57T part is unused and in its original packaging.
Return procedure for SMCJ150AHE3/57T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ150AHE3/57T Tags
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