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Vishay General Semiconductor - Diodes Division SMCJ10AHM3_A/I
- Part No.:
- SMCJ10AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ10AHM3_A/I.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:6,922
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Product details
Overview
SMCJ10AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients up to 1500 W peak pulse power with 17.0 V maximum clamping voltage at 88.2 A peak pulse current and 10 V stand-off voltage. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics.
For engineers reviewing the SMCJ10AHM3_A/I datasheet, SMCJ10AHM3_A/I pinout, SMCJ10AHM3_A/I application, or SMCJ10AHM3_A/I equivalent, key selection criteria include its 10 V stand-off voltage, 11.1–12.3 V breakdown range at 1 mA, AEC-Q101 qualification, halogen-free RoHS compliance, and SMC package thermal performance under 10/1000 µs surge conditions.
Technical Context
This TVS diode operates as a unidirectional clamping device with a cathode-band polarity marking, leveraging glass-passivated junction technology for stable breakdown and low incremental surge resistance. Its 1500 W peak pulse power rating is specified per 10/1000 µs waveform with derating above 25 °C ambient.
The device features a maximum junction temperature of +150 °C, typical thermal resistance of 75 °C/W (junction-to-ambient) on standard 8.0 mm × 8.0 mm copper pads, and meets MSL Level 1 per J-STD-020 with 260 °C reflow peak. It delivers 9.2 V clamping voltage at 100 A forward surge (unidirectional only).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Stand-off Voltage (VWM) | 10 V - Maximum continuous reverse operating voltage before significant leakage begins. |
| Breakdown Voltage (VBR) | 11.1–12.3 V at 1 mA - Confirmed voltage range where device transitions into avalanche conduction. |
| Clamping Voltage (VC) | 17.0 V at 88.2 A IPPM - Peak voltage seen across protected circuit during 10/1000 µs transient event. |
| Peak Pulse Power (PPPM) | 1500 W - Surge energy handling capability under standardized 10/1000 µs waveform. |
| Operating Temperature | −55 °C to +150 °C - Full functional range for automotive and industrial environments. |
| Package | SMC (DO-214AB) - Surface-mount outline with 7.75 mm × 6.22 mm footprint and 2.62 mm height. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD testing. |
| RoHS & Halogen-Free | Compliant - HM3 suffix denotes halogen-free, RoHS-compliant construction per JEDEC standards. |
Pinout & Package
SMCJ10AHM3_A/I uses the SMC (DO-214AB) package: a surface-mount, two-terminal case with cathode identified by a band on the body. Leads are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side terminal (non-banded end) | Connected to ground or low-voltage reference in unidirectional clamp configuration. |
| Cathode | High-side terminal (banded end) | Connected to protected line (e.g., power rail or signal); conducts during overvoltage events. |
Key Features
| Feature | Design Value |
|---|---|
| 1500 W peak pulse power | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) without cascading failure. |
| 17.0 V clamping at 88.2 A | Limits voltage stress on downstream 12 V-rated ICs and MOSFETs during fast transients. |
| AEC-Q101 qualified (HM3 suffix) | Validates suitability for automotive powertrain, body control, and ADAS modules requiring long-term reliability. |
| Halogen-free & RoHS-compliant | Meets global environmental regulations and supports lead-free reflow assembly at 260 °C peak. |
| Low incremental surge resistance | Minimizes voltage overshoot during high-di/dt events, improving protection fidelity for sensitive analog inputs. |
| MSL Level 1 moisture sensitivity | Allows unlimited floor life and eliminates bake requirements prior to reflow soldering. |
Applications
| Automotive Power Distribution | Industrial Sensor Signal Protection |
|---|---|
|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator ripple. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp transients above 13.5 V. Use Value: Limits voltage to ≤17.0 V during 100 V/400 ms load dump events, preventing damage to MCU power supplies and CAN transceivers. |
Use Scenario: Shielding analog outputs of pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: Low-capacitance TVS connected across differential signal pair to suppress EFT bursts. Use Value: Clamps ±2 kV EFT pulses within 1 ns while adding <1 pF parasitic capacitance, preserving signal integrity up to 1 MHz. |
| DC-DC Converter Input Stage | Motor Drive Gate Driver Protection |
|
Use Scenario: Safeguarding buck converter input stages against inductive switching spikes in telecom power systems. IC Role / Device Role / Timing Role: Standoff-rated TVS placed upstream of input filter capacitor to absorb 1500 W surges. Use Value: Absorbs 10/1000 µs transients up to 100 V without degradation, maintaining >10⁵ surge cycles lifetime. |
Use Scenario: Protecting high-side gate drivers in BLDC motor inverters from shoot-through-induced voltage spikes. IC Role / Device Role / Timing Role: TVS mounted directly at gate driver output to clamp Miller-induced overshoot on gate-source path. Use Value: Responds in <1 ns to limit gate voltage to safe levels (<20 V), preventing unintended IGBT/MOSFET turn-on. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10AHE3_A/H | Lower PPPM (400 W), SMA package (smaller footprint, higher RθJA = 110 °C/W). | Suitable for lower-energy transients in space-constrained consumer PCBs; not rated for automotive underhood use. | Select when board area is critical and surge energy remains below 400 W; verify thermal margin with reduced copper pad area. |
| SMCJ10AHE3_A/I | Same electrical specs and SMC package, but RoHS-compliant commercial grade (E3) without halogen-free certification. | Acceptable for non-automotive industrial applications where halogen-free compliance is not mandated. | Choose for cost-sensitive designs where AEC-Q101 and halogen-free requirements do not apply. |
Compared with SMCJ10AHM3_A/I, SMAJ10AHE3_A/H offers smaller size but significantly lower surge capacity and thermal robustness, while SMCJ10AHE3_A/I matches mechanical and electrical performance but lacks halogen-free and AEC-Q101 validation required for automotive deployment.
Availability
SMCJ10AHM3_A/I is available at Aetrix Electronics and suitable for automotive power distribution, industrial sensor interfaces, DC-DC converter inputs, and motor drive gate protection requiring stable component supply across extended temperature ranges and high-reliability production programs.
Supply support for SMCJ10AHM3_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, rectifiers, MOSFETs, and protection devices with emphasis on reliability, efficiency, and application-specific optimization.
The SMCJ series is engineered for high-energy transient suppression in harsh environments-targeting automotive, industrial, and telecom systems where sustained surge immunity and AEC-Q101 validation are mandatory.
FAQ
What is the clamping voltage of SMCJ10AHM3_A/I at its rated peak pulse current?
The SMCJ10AHM3_A/I has a maximum clamping voltage (VC) of 17.0 V at its rated peak pulse current (IPPM) of 88.2 A under a 10/1000 µs waveform. This value is measured per standard test conditions defined in ANSI/IEEE C62.35 and ensures predictable overvoltage limiting for downstream 12 V circuits. The SMCJ10AHM3_A/I maintains this clamping performance across its full operating temperature range.
Is SMCJ10AHM3_A/I suitable for automotive applications?
Yes, SMCJ10AHM3_A/I is AEC-Q101 qualified and carries the HM3 suffix, confirming halogen-free, RoHS-compliant construction validated for automotive use. It meets requirements for temperature cycling, high-temperature reverse bias, and surge endurance in engine control units, body electronics, and ADAS subsystems. The SMCJ10AHM3_A/I is explicitly listed in Vishay's AEC-Q101 qualified product matrix.
What does the "HM3" suffix indicate in SMCJ10AHM3_A/I?
The "HM3" suffix in SMCJ10AHM3_A/I denotes halogen-free, RoHS-compliant, commercial-grade construction with AEC-Q101 qualification. It distinguishes the part from E3 (RoHS-only) and HE3 (AEC-Q101 + RoHS) variants. The "H" indicates tape-and-reel packaging per IEC 60286-3, and "M3" confirms halogen-free molding compound and terminations compliant with JEDEC JS-709E.
How does the SMCJ10AHM3_A/I compare to bidirectional versions like SMCJ10CA?
SMCJ10AHM3_A/I is unidirectional and features a cathode band for polarity identification, whereas SMCJ10CA is bidirectional with no polarity marking and symmetrical clamping in both directions. The SMCJ10AHM3_A/I offers lower leakage at 10 V and is preferred for DC power rail protection; SMCJ10CA suits AC-coupled or floating signal lines where polarity reversal may occur.
What is the thermal resistance of SMCJ10AHM3_A/I under standard mounting conditions?
The SMCJ10AHM3_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, per Vishay's recommended layout. Its junction-to-lead resistance (RθJL) is 15 °C/W, supporting effective heat transfer to PCB planes. These values are critical for calculating safe operating area during repetitive surge events and must be applied using the actual board layout in thermal simulation.
SMCJ10AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 88.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- Telecom
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
SMCJ10AHM3_A/I FAQ
1.How can I place an order for SMCJ10AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ10AHM3_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 SMCJ10AHM3_A/I reliable?
The price and inventory of SMCJ10AHM3_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 SMCJ10AHM3_A/I is usually 5 days.
3.What payment methods are accepted for SMCJ10AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ10AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ10AHM3_A/I?
SMCJ10AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ10AHM3_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 SMCJ10AHM3_A/I?
For technical support, including SMCJ10AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ10AHM3_A/I requirements.
6.How does Aetrix verify that SMCJ10AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All SMCJ10AHM3_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 SMCJ10AHM3_A/I meets industry standards.
7.What is the process for return or replacement of SMCJ10AHM3_A/I?
All SMCJ10AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ10AHM3_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 SMCJ10AHM3_A/I part is unused and in its original packaging.
Return procedure for SMCJ10AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ10AHM3_A/I Tags
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