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Vishay General Semiconductor - Diodes Division 1.5SMC16AHM3/H
- Part No.:
- 1.5SMC16AHM3/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
1.5SMC16AHM3/H.pdf
- Description:
- TVS DIODE 13.6VWM 22.5VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,831
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Product details
Overview
1.5SMC16AHM3/H 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 1500 W peak pulse power (10/1000 μs), 13.6 V stand-off voltage, and 22.5 V clamping voltage at 66.7 A peak pulse current. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics.
For engineers reviewing the 1.5SMC16AHM3/H datasheet, 1.5SMC16AHM3/H pinout, 1.5SMC16AHM3/H application, or 1.5SMC16AHM3/H equivalent, this page delivers verified electrical specs, AEC-Q101 qualification status, thermal resistance data, clamping performance under surge conditions, and halogen-free RoHS-compliant sourcing details.
Technical Context
This unidirectional TVS diode operates by avalanche breakdown to clamp transient overvoltages above its 13.6 V stand-off threshold, limiting downstream voltage to ≤22.5 V during 10/1000 μs surges up to 66.7 A. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1.0 μA at VWM).
Designed for automated SMT assembly, it meets J-STD-020 MSL Level 1 (260 °C peak reflow), has 75 °C/W junction-to-ambient thermal resistance, and supports repetitive surge duty cycles up to 0.01 % - enabling reliable protection in 12 V automotive power rails and industrial I/O interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM (Stand-off) | 13.6 V - maximum continuous reverse voltage before conduction begins; defines safe operating margin below clamping threshold |
| VBR (Breakdown) | 15.2–16.8 V at 1.0 mA - precise avalanche onset range ensuring consistent turn-on across production lots |
| VC (Clamping) | 22.5 V at IPPM = 66.7 A - maximum voltage seen by protected circuit during worst-case 10/1000 μs surge |
| PPPM | 1500 W - peak pulse power handling capability per standard 10/1000 μs waveform, critical for lightning/inductive spike immunity |
| RθJA | 75 °C/W - junction-to-ambient thermal resistance on standard 8.0 mm × 8.0 mm copper pads; determines derating above 25 °C ambient |
| TJ max | +150 °C - maximum junction temperature rating; enables operation in under-hood automotive environments |
| AEC-Q101 | Qualified - certified for automotive-grade reliability including temperature cycling, HTRB, and ESD testing per AEC specification |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, halogen-free, RoHS-compliant, matte tin-plated leads. Cathode indicated by banded end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-voltage rail; completes conduction path during reverse-biased surge events |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 12 V supply or CAN_H); carries full surge current into anode during clamping |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Enables robust protection against ISO 7637-2 Pulse 5a (load dump) and IEC 61000-4-5 surges in 12 V systems |
| AEC-Q101 qualified (HM3 suffix) | Validated for automotive use including engine control units, body electronics, and ADAS sensor interfaces |
| Halogen-free & RoHS-compliant | Meets EU Directive 2011/65/EU and JEDEC J-STD-20D; supports green manufacturing and end-of-life compliance |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and single-reflow processing at 260 °C peak without baking preconditioning |
| Low incremental surge resistance | Minimizes voltage overshoot during fast-rising transients (e.g., ESD or relay bounce), improving system immunity |
Applications
| Automotive Power Rail Protection | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump transients (ISO 7637-2 Pulse 5a) and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery rail and DC-DC input, clamping surges within 1 ns response time. Use Value: Limits voltage to ≤22.5 V during 1500 W surges, preventing damage to upstream regulators and microcontrollers. |
Use Scenario: Safeguarding analog outputs of pressure/temperature sensors connected to PLC I/O modules. IC Role / Device Role / Timing Role: TVS mounted at connector entry point, shunting induced lightning surges (IEC 61000-4-5) away from precision ADC front-end. Use Value: Maintains signal integrity with <1.0 μA leakage at 13.6 V, avoiding offset errors in 16-bit measurement systems. |
| Consumer Power Adapter Input Stage | Telecom DC Power Interface |
Use Scenario: Secondary-side surge suppression in USB-C PD adapters exposed to mains-coupled transients. IC Role / Device Role / Timing Role: Unidirectional clamp on +5 V/9 V/15 V output rails, triggered only during overvoltage faults. Use Value: Fast 1 ns response prevents latch-up in GaN FET drivers while sustaining 66.7 A peak current without degradation. |
Use Scenario: DC feed protection in PoE-powered base stations where 48 V supply lines face induced surges from nearby lightning strikes. IC Role / Device Role / Timing Role: TVS installed at PSE port entry, absorbing energy before reaching Ethernet PHY and PMIC. Use Value: 22.5 V clamping ensures downstream 48 V-to-3.3 V converters remain within absolute maximum ratings during 10/1000 μs events. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ16A-E3/57T | Same 16 V nominal breakdown, but lower PPPM (400 W), smaller SMA package (DO-214AC), no AEC-Q101 qualification | Limited to consumer-grade, non-automotive applications with lower surge energy requirements | Select when cost and board space are prioritized over automotive reliability and 1500 W surge handling |
| 1.5KE16A | Through-hole TO-204AA (DO-41) package, identical 16 V VBR range, same 1500 W rating, but no halogen-free or AEC-Q101 variants | Requires wave soldering; unsuitable for high-density SMT layouts or automotive vibration environments | Choose only for legacy through-hole designs or prototyping where reflow compatibility is not required |
Compared with SMAJ16A-E3/57T and 1.5KE16A, the 1.5SMC16AHM3/H uniquely combines SMT-compatible SMC packaging, AEC-Q101 qualification, halogen-free compliance, and full 1500 W surge capacity - making it the sole option meeting OEM automotive Tier-1 requirements for 12 V rail protection.
Availability
1.5SMC16AHM3/H is available at Aetrix Electronics and suitable for automotive electronic control units, industrial sensor interfaces, and telecom DC power systems requiring stable component supply with guaranteed long-term lifecycle support.
Supply support for 1.5SMC16AHM3/H 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, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The 1.5SMC Series was developed to deliver high-power, surface-mount TVS solutions for automotive and industrial environments where AEC-Q101 qualification, low-profile packaging, and repeatable clamping performance are mandatory.
FAQ
What is the clamping voltage of the 1.5SMC16AHM3/H under maximum surge conditions?
The 1.5SMC16AHM3/H exhibits a maximum clamping voltage (VC) of 22.5 V when subjected to its rated peak pulse current of 66.7 A using the standardized 10/1000 μs waveform. This value is measured at TJ = 25 °C on 8.0 mm × 8.0 mm copper pads and defines the upper voltage limit imposed on protected circuits during transient events. The 1.5SMC16AHM3/H maintains this clamping performance across its operational junction temperature range.
Is the 1.5SMC16AHM3/H qualified for automotive applications?
Yes, the 1.5SMC16AHM3/H is AEC-Q101 qualified, as confirmed by its HM3 suffix and documentation in Vishay's 1.5SMC series datasheet (Document Number: 88303). This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and ESD, validating its suitability for under-hood and chassis-mounted automotive electronics. The 1.5SMC16AHM3/H is explicitly designated for automotive use in the manufacturer's ordering information table.
What does the "HM3" suffix indicate in 1.5SMC16AHM3/H?
The "HM3" suffix in 1.5SMC16AHM3/H denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. Per Vishay's ordering nomenclature, "H" indicates the halogen-free variant, "M3" confirms RoHS compliance and JESD201 Class 2 whisker resistance, and the trailing "/H" specifies 7″ tape-and-reel packaging (850 units per reel). This distinguishes it from commercial-grade "M3" or automotive "HE3" variants.
How does the 1.5SMC16AHM3/H compare to bidirectional TVS diodes in surge protection?
The 1.5SMC16AHM3/H is unidirectional and intended for DC line protection where polarity is fixed - such as 12 V battery rails - offering tighter VWM/VBR ratios and lower leakage than equivalent bidirectional parts. Bidirectional variants (e.g., 1.5SMC16CA) would be used on AC or differential lines like RS-485 or CAN, where voltage swings occur in both directions. The 1.5SMC16AHM3/H cannot replace bidirectional types in those roles due to cathode-band polarity dependence.
What is the thermal resistance and derating behavior of the 1.5SMC16AHM3/H?
The 1.5SMC16AHM3/H has a typical junction-to-ambient thermal resistance (RθJA) of 75 °C/W when mounted on 0.31″ × 0.31″ (8.0 mm × 8.0 mm) copper pads. Its peak pulse power must be linearly derated above TA = 25 °C per Figure 2 in the datasheet, reaching ~50 % of 1500 W at 100 °C ambient. This derating ensures safe operation within its +150 °C maximum junction temperature limit under sustained surge conditions.
1.5SMC16AHM3/H 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):
- 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/H FAQ
1.How can I place an order for 1.5SMC16AHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for 1.5SMC16AHM3/H 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/H reliable?
The price and inventory of 1.5SMC16AHM3/H 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/H is usually 5 days.
3.What payment methods are accepted for 1.5SMC16AHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1.5SMC16AHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 1.5SMC16AHM3/H?
1.5SMC16AHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 1.5SMC16AHM3/H 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/H?
For technical support, including 1.5SMC16AHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1.5SMC16AHM3/H requirements.
6.How does Aetrix verify that 1.5SMC16AHM3/H is sourced from the original manufacturer or authorized distributors?
All 1.5SMC16AHM3/H 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/H meets industry standards.
7.What is the process for return or replacement of 1.5SMC16AHM3/H?
All 1.5SMC16AHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with 1.5SMC16AHM3/H, 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/H part is unused and in its original packaging.
Return procedure for 1.5SMC16AHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
1.5SMC16AHM3/H Tags
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