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Vishay General Semiconductor - Diodes Division 1.5SMC16AHM3_A/I
- Part No.:
- 1.5SMC16AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC16AHM3_A/I.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,023
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Product details
Overview
1.5SMC16AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in the SMC (DO-214AB) package, designed for robust overvoltage protection of power rails and signal lines. It features a 13.6 V stand-off voltage (VWM), 15.2–16.8 V breakdown voltage (VBR) at 1 mA, 22.5 V maximum clamping voltage (VC) at 66.7 A peak pulse current, and 1500 W peak pulse power capability with a 10/1000 µs waveform - deployed in automotive sensor interfaces, industrial I/O modules, and DC power input stages.
For engineers reviewing the 1.5SMC16AHM3_A/I datasheet, 1.5SMC16AHM3_A/I pinout, 1.5SMC16AHM3_A/I application, or 1.5SMC16AHM3_A/I equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal resistance (RθJA = 75 °C/W), polarity marking convention, and real-world use context for ESD and lightning surge protection in harsh environments.
Technical Context
The 1.5SMC16AHM3_A/I operates as a unidirectional avalanche diode with glass-passivated junction, enabling fast response (<1 ns) to transient overvoltages while maintaining low incremental surge resistance. Its clamping behavior is defined by a 10/1000 µs test waveform and rated for repetitive surges at 0.01 % duty cycle.
Designed for surface-mount assembly on 8.0 mm × 8.0 mm copper pads per terminal, it meets J-STD-020 MSL Level 1 (260 °C peak reflow) and JESD201 Class 2 whisker resistance. The cathode band denotes polarity, and its halogen-free, RoHS-compliant construction supports automotive-grade reliability under -65 °C to +150 °C operating junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 13.6 V - Maximum continuous reverse voltage before significant leakage; defines safe operating margin below breakdown |
| VBR (Breakdown) | 15.2–16.8 V at 1 mA - Confirmed avalanche initiation range; ensures predictable turn-on during transients |
| VC (Clamping) | 22.5 V at 66.7 A - Peak voltage seen by protected circuit during 10/1000 µs surge; limits stress on downstream ICs |
| PPPM | 1500 W - Surge energy handling capacity with standard 10/1000 µs waveform; suitable for IEC 61000-4-5 Level 3/4 |
| IPPM | 66.7 A - Peak pulse current corresponding to VC; determines minimum trace width and PCB layout robustness |
| TJ max. | +150 °C - Maximum junction temperature; enables operation in under-hood automotive or high-ambient industrial settings |
| RθJA | 75 °C/W - Thermal resistance junction-to-ambient; informs derating requirements when mounted on standard FR4 without heatsink |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, molded plastic case with matte tin-plated leads. Cathode indicated by a single band on the body; anode is unmarked end. Dimensions: 7.75 mm × 6.22 mm × 2.62 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (banded end) | Transient current sink | Connected to protected line; conducts surge current to ground during overvoltage events |
| Anode (unmarked end) | Reference node | Typically tied to system ground or lower-potential rail; completes conduction path during clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control units and ADAS sensor interfaces |
| 1500 W peak pulse power | Withstands IEC 61000-4-5 4 kV surge tests on 2 Ω/12 Ω impedance networks |
| Low clamping ratio (VC/VBR ≈ 1.44) | Minimizes voltage overshoot across protected components during fast transients |
| MSL Level 1 (260 °C) | Compatible with standard lead-free reflow profiles without moisture sensitivity concerns |
| Halogen-free & RoHS-compliant | Meets automotive OEM environmental compliance requirements (e.g., VW 80101, GMW3172) |
Applications
| Automotive Sensor Protection | Industrial DC Power Input |
|---|---|
Use Scenario: Protecting CAN/LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from load dump and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Unidirectional TVS placed between signal line and chassis ground to clamp transients before reaching sensitive analog front-end or communication IC. Use Value: Limits induced voltage to ≤22.5 V during 10/1000 µs surges, preserving signal integrity and preventing latch-up in 3.3 V/5 V interface ICs. |
Use Scenario: Safeguarding 12 V/24 V DC power inputs in PLC modules, motor drives, and HMIs against switching spikes and lightning-induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on main supply rail, positioned upstream of DC-DC converters and LDOs. Use Value: Absorbs up to 1500 W transient energy without failure, maintaining system uptime during field-deployed industrial operation. |
| Consumer Power Adapter Interface | Telecom Line Card Protection |
Use Scenario: Secondary-side surge suppression in AC/DC adapters and USB-C PD power bricks exposed to mains-borne transients. IC Role / Device Role / Timing Role: Final-stage TVS on regulated output rail (e.g., 5 V, 9 V, 12 V) to protect connected devices from adapter-level faults. Use Value: Clamps output to 22.5 V within nanoseconds, preventing damage to downstream USB controllers or battery management ICs. |
Use Scenario: Front-end protection of Ethernet PHYs and PoE injectors in telecom access equipment subjected to induced surges on twisted-pair lines. IC Role / Device Role / Timing Role: Unidirectional clamp on DC bias lines (e.g., PoE midspan VDD) to suppress common-mode transients coupled from adjacent cables. Use Value: Maintains <1 µA leakage at 13.6 V, ensuring minimal impact on PoE detection/classification accuracy while providing 1500 W surge immunity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ16A-E3/52T (Vishay) | Same VWM/VBR/VC, but SMB (DO-214AA) package; 600 W PPPM, higher RθJA (100 °C/W) | Limited to lower-energy transients; unsuitable for IEC 61000-4-5 Level 4 | Select when board space is constrained and surge threat level is ≤600 W |
| 1.5KE16A (ON Semiconductor) | Through-hole DO-201AE package; identical VWM/VBR/VC, 1500 W rating, but no AEC-Q101 qualification | Not approved for automotive production; requires additional qualification testing | Choose only for non-automotive prototyping or legacy through-hole designs |
Compared with 1.5SMC16AHM3_A/I, SMBJ16A-E3/52T offers smaller footprint but reduced surge capacity and thermal performance, while 1.5KE16A provides equivalent electrical specs in through-hole form but lacks automotive qualification and surface-mount compatibility - making 1.5SMC16AHM3_A/I the optimal choice for AEC-Q101-compliant SMT production.
Availability
1.5SMC16AHM3_A/I is available at Aetrix Electronics and suitable for automotive electronics, industrial power supplies, and telecom infrastructure requiring stable component supply with halogen-free, AEC-Q101-qualified TVS protection.
Supply support for 1.5SMC16AHM3_A/I 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, MOSFETs, optoelectronics, and passive components with emphasis on reliability and application-specific performance.
The 1.5SMC series is engineered for high-power transient suppression in automotive, industrial, and communications systems - delivering consistent clamping performance and AEC-Q101 validation for mission-critical overvoltage protection.
FAQ
What is the clamping voltage of the 1.5SMC16AHM3_A/I under a 10/1000 µs surge?
The 1.5SMC16AHM3_A/I has a maximum clamping voltage (VC) of 22.5 V at 66.7 A peak pulse current with a 10/1000 µs waveform. This value is measured per JEDEC standards and reflects the actual voltage imposed on the protected circuit during worst-case transient conditions - critical for ensuring downstream ICs remain within absolute maximum ratings.
Is the 1.5SMC16AHM3_A/I qualified for automotive applications?
Yes, the 1.5SMC16AHM3_A/I carries AEC-Q101 qualification, confirmed by Vishay's documentation and ordering code suffix "HM3_A". This certification validates its reliability for automotive use cases including engine control, body electronics, and ADAS sensor interfaces under extended temperature cycling, humidity, and mechanical stress conditions.
What does the "HM3_A/I" suffix mean in 1.5SMC16AHM3_A/I?
In 1.5SMC16AHM3_A/I, "HM3" indicates halogen-free, RoHS-compliant construction with AEC-Q101 qualification; "A" denotes the revision level of the AEC-Q101 test program; and "I" specifies packaging in 13-inch tape-and-reel format (3500 units per reel). This full suffix confirms compliance, reliability grade, and logistics configuration.
How does the 1.5SMC16AHM3_A/I compare to bidirectional TVS diodes like 1.5SMC16CA?
The 1.5SMC16AHM3_A/I is unidirectional and intended for DC rail or polarized signal line protection, whereas 1.5SMC16CA is bidirectional for AC or differential signal paths. Their VWM, VBR, and VC values differ: 1.5SMC16CA has VWM = 13.6 V (bidirectional), but clamps symmetrically in both directions - making them functionally non-interchangeable without circuit redesign.
What is the thermal resistance and how does it affect PCB layout for the 1.5SMC16AHM3_A/I?
The 1.5SMC16AHM3_A/I has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 8.0 mm × 8.0 mm copper pads per terminal. To maintain TJ ≤ 150 °C under sustained 6.5 W power dissipation, designers must ensure adequate copper area and avoid thermal isolation - underscoring the need for verified pad layout per Vishay's recommended footprint.
1.5SMC16AHM3_A/I 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:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13.6V
- Voltage - Breakdown (Min):
- 15.2V
- Voltage - Clamping (Max) @ Ipp:
- 22.5V
- Current - Peak Pulse (10/1000µs):
- 66.7A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
1.5SMC16AHM3_A/I FAQ
1.How can I place an order for 1.5SMC16AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC16AHM3_A/I 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 1.5SMC16AHM3_A/I reliable?
The price and inventory of 1.5SMC16AHM3_A/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1.5SMC16AHM3_A/I is usually 5 days.
3.What payment methods are accepted for 1.5SMC16AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC16AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC16AHM3_A/I?
1.5SMC16AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC16AHM3_A/I 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 1.5SMC16AHM3_A/I?
For technical support, including 1.5SMC16AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC16AHM3_A/I requirements.
6.How does Aetrix verify that 1.5SMC16AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All 1.5SMC16AHM3_A/I 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 1.5SMC16AHM3_A/I meets industry standards.
7.What is the process for return or replacement of 1.5SMC16AHM3_A/I?
All 1.5SMC16AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC16AHM3_A/I, 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 1.5SMC16AHM3_A/I part is unused and in its original packaging.
Return procedure for 1.5SMC16AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC16AHM3_A/I Tags
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