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Vishay General Semiconductor - Diodes Division SMCG150CAHE3/9AT
- Part No.:
- SMCG150CAHE3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-215AB, SMC Gull Wing
- Datasheet:
-
SMCG150CAHE3/9AT.pdf
- Description:
- TVS DIODE 150VWM 243VC DO215AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,136
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Product details
Overview
SMCG150CAHE3/9AT from Vishay General Semiconductor is a bidirectional transient voltage suppressor (TVS) diode in the SMCG (DO-215AB) package, designed for high-energy surge protection on signal and power lines. It features a 150 W peak pulse power rating (10/1000 µs), 167–185 V breakdown voltage (VBR), 150 V working maximum voltage (VWM), clamping voltage of 243 V at 6.2 A peak pulse current, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the SMCG150CAHE3/9AT datasheet, SMCG150CAHE3/9AT pinout, SMCG150CAHE3/9AT application, or SMCG150CAHE3/9AT equivalent, this device is selected for robust overvoltage protection in automotive sensor interfaces, industrial I/O ports, and telecom line drivers where bidirectional clamping, low leakage (<1 µA at VWM), and MSL Level 1 solderability are critical.
Technical Context
This bidirectional TVS operates symmetrically across both polarities with identical VBR, VC, and IPPM specifications in either direction. Its glass-passivated junction ensures stable breakdown characteristics and fast response time (<1 ns), while the DO-215AB package provides low thermal resistance (RθJL = 15 °C/W) and supports automated SMT placement.
The device complies with ANSI/IEEE C62.35 for surge suppression and meets UL 497B recognition (QVGQ2, E136766). It is rated for -55 °C to +150 °C operating junction temperature and derates linearly above 25 °C ambient per Figure 2 in the datasheet.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 150 V - Maximum continuous reverse stand-off voltage before clamping begins; defines safe operating margin below breakdown. |
| VBR (min/max) | 167 V / 185 V - Breakdown voltage range at 1 mA test current; ensures consistent triggering across production lots. |
| VC @ IPPM | 243 V - Clamping voltage at 6.2 A peak pulse current (10/1000 µs); limits downstream voltage stress during transients. |
| PPPM | 1500 W - Peak pulse power dissipation capability; enables protection against high-energy surges like ISO 7637-2 Pulse 5a. |
| ID @ VWM | <1 µA - Reverse leakage at rated stand-off voltage; minimizes standby power loss and avoids false triggering. |
| TJ max | +150 °C - Maximum junction temperature; supports operation in under-hood automotive environments and sealed industrial enclosures. |
| MSL Level | Level 1 (J-STD-020) - No floor life limitation; allows indefinite dry pack storage and standard reflow without baking. |
Pinout & Package
Package: SMCG (DO-215AB) - surface-mount, gull-wing leaded case with matte tin-plated terminals, 0.220–0.245" body length, 0.115–0.125" width, and 0.024–0.040" lead span. Complies with UL 94 V-0 flammability rating and JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Terminal A | One side of symmetrical bidirectional junction; no polarity marking required; connects to protected line or ground reference. |
| Cathode | Terminal K | Other side of symmetrical bidirectional junction; electrically identical to Anode; forms differential clamping path across terminals. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Identical VBR, VC, and IPPM in both directions - eliminates need for polarity-aware layout in AC-coupled or floating signal paths. |
| AEC-Q101 qualification | Validated for automotive applications including engine control, ADAS sensors, and infotainment interfaces - supports PPAP and long-term reliability requirements. |
| Low incremental surge resistance | Enables tighter clamping (VC − VBR ≈ 76 V) - reduces voltage overshoot during fast transients compared to higher-Rsurge alternatives. |
| Glass passivated junction | Stable VBR tolerance and low leakage over temperature and lifetime - improves long-term protection margin in harsh environments. |
| MSL Level 1 rating | No moisture sensitivity handling restrictions - simplifies manufacturing flow and eliminates pre-bake steps in high-volume SMT assembly. |
Applications
| Automotive Sensor Protection | Industrial Digital I/O Protection |
|---|---|
|
Use Scenario: Protecting CAN FD or LIN bus transceivers from load dump and inductive switching transients in vehicle ECUs. IC Role / Device Role / Timing Role: Bidirectional shunt clamp placed across differential bus lines or between signal and chassis ground. Use Value: Clamps 1500 W surges to ≤243 V while maintaining <1 µA leakage at 150 V VWM, preserving signal integrity and meeting ISO 16750-2 requirements. |
Use Scenario: Safeguarding PLC digital input modules against field-wiring induced surges from solenoid coils or relay contacts. IC Role / Device Role / Timing Role: Primary front-end TVS on each 24 V DC input channel, mounted directly at connector entry point. Use Value: Withstands repetitive 10/1000 µs surges up to 6.2 A without degradation, enabling >100,000 surge cycles per IEC 61000-4-5 compliance testing. |
| Telecom Line Driver Protection | Consumer Power Adapter Interface |
|
Use Scenario: Shielding Ethernet PHY interface circuits (e.g., 10/100BASE-TX) from lightning-induced surges on unshielded twisted-pair cabling. IC Role / Device Role / Timing Role: Common-mode TVS across differential pairs, paired with gas discharge tubes for staged protection. Use Value: Fast <1 ns response and symmetrical clamping ensure balanced differential voltage swing remains within PHY receiver tolerance during surge events. |
Use Scenario: Overvoltage suppression on USB-C CC and VBUS lines in compact wall adapters exposed to AC mains transients. IC Role / Device Role / Timing Role: Secondary-level TVS after primary MOV/clamp, placed adjacent to USB controller IC. Use Value: Low capacitance (<50 pF typical) and 150 V VWM prevent signal distortion on high-speed CC negotiation while blocking 1 kV+ surges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ150CA | Same VWM (150 V) and bidirectional configuration, but lower PPPM (400 W) and higher VC (243 V → 274 V); SMA package (DO-214AC). | Limited to lower-energy transients (e.g., IEC 61000-4-2 ESD only); unsuitable for ISO 7637-2 load dump. | Select SMAJ150CA only when space constraints favor SMA footprint and surge energy is ≤400 W. |
| SMCJ150CA | Same VWM (150 V), bidirectional, and PPPM (1500 W), but larger SMC (DO-214AB) package; VC = 243 V matches SMCG150CAHE3/9AT. | Compatible with same surge standards but requires larger PCB area and has higher RθJA (85 °C/W vs. 75 °C/W). | Choose SMCJ150CA when existing designs use SMC footprints or require higher thermal mass for extended surge duty cycles. |
Compared with SMAJ150CA and SMCJ150CA, SMCG150CAHE3/9AT delivers identical 1500 W surge capability and clamping performance in a smaller DO-215AB footprint with superior thermal resistance (75 °C/W), making it optimal for space-constrained automotive and industrial modules requiring AEC-Q101 validation.
Availability
SMCG150CAHE3/9AT is available at Aetrix Electronics and suitable for automotive sensor interfaces, industrial programmable logic controllers, and telecom line driver circuits requiring stable component supply, AEC-Q101 qualification, and RoHS-compliant packaging.
Supply support for SMCG150CAHE3/9AT 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, efficiency, and application-specific optimization.
The SMCG series targets high-reliability transient suppression in automotive, industrial, and telecom systems, engineered for AEC-Q101 compliance, low-profile SMT assembly, and precise clamping performance across temperature and lifetime.
FAQ
What is the breakdown voltage range of SMCG150CAHE3/9AT?
The SMCG150CAHE3/9AT has a specified breakdown voltage (VBR) range of 167 V to 185 V at 1 mA test current, measured in both directions due to its bidirectional construction. This range ensures reliable triggering across process variation and temperature extremes while maintaining compatibility with 150 V nominal systems.
Is SMCG150CAHE3/9AT suitable for automotive applications?
Yes, SMCG150CAHE3/9AT is AEC-Q101 qualified and explicitly rated for automotive use, including engine control units, ADAS sensor interfaces, and infotainment systems. Its DO-215AB package, MSL Level 1 rating, and -55 °C to +150 °C operating range meet stringent automotive environmental and manufacturing requirements.
What does the "HE3" suffix indicate in SMCG150CAHE3/9AT?
The "HE3" suffix denotes RoHS-compliant construction with AEC-Q101 qualification (per Vishay's ordering nomenclature). "H" indicates AEC-Q101 qualification, "E3" specifies RoHS-compliant matte tin plating, and "9AT" identifies the 13-inch tape-and-reel packaging format with 3500 units per reel.
How does SMCG150CAHE3/9AT compare to unidirectional TVS diodes in circuit design?
Unlike unidirectional TVS diodes, SMCG150CAHE3/9AT provides symmetrical clamping in both polarities-ideal for AC-coupled, floating, or differential signal lines where polarity cannot be guaranteed. It eliminates the need for orientation-aware placement and supports simplified PCB layout for bidirectional protection schemes.
What is the maximum clamping voltage of SMCG150CAHE3/9AT under surge conditions?
The SMCG150CAHE3/9AT clamps to a maximum of 243 V at its rated peak pulse current of 6.2 A (10/1000 µs waveform). This value is guaranteed across temperature and production lot, ensuring predictable voltage limiting during standardized surge events such as ISO 7637-2 Pulse 5a or IEC 61000-4-5.
SMCG150CAHE3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-215AB, SMC Gull Wing
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- 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 (SMCG)
SMCG150CAHE3/9AT FAQ
1.How can I place an order for SMCG150CAHE3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCG150CAHE3/9AT 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 SMCG150CAHE3/9AT reliable?
The price and inventory of SMCG150CAHE3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCG150CAHE3/9AT is usually 5 days.
3.What payment methods are accepted for SMCG150CAHE3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCG150CAHE3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCG150CAHE3/9AT?
SMCG150CAHE3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCG150CAHE3/9AT 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 SMCG150CAHE3/9AT?
For technical support, including SMCG150CAHE3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCG150CAHE3/9AT requirements.
6.How does Aetrix verify that SMCG150CAHE3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCG150CAHE3/9AT 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 SMCG150CAHE3/9AT meets industry standards.
7.What is the process for return or replacement of SMCG150CAHE3/9AT?
All SMCG150CAHE3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCG150CAHE3/9AT, 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 SMCG150CAHE3/9AT part is unused and in its original packaging.
Return procedure for SMCG150CAHE3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCG150CAHE3/9AT Tags
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