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Vishay General Semiconductor - Diodes Division SM6T10AHM3_A/I
- Part No.:
- SM6T10AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SM6T10AHM3_A/I.pdf
- Description:
- TVS DIODE 8.55VWM 14.5VC DO214AA
- Quantity:
- Payment:
- Shipping:
Inventory:8,434
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Product details
Overview
SM6T10AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) in SMB (DO-214AA) package, with 10 V standoff voltage (VWM), 14.5 V clamping voltage (VC) at 41 A peak pulse current, and 600 W peak pulse power rating per 10/1000 μs waveform. It protects MOSFETs, ICs, and sensor signal lines in automotive and industrial power electronics against inductive switching transients.
For engineers reviewing the SM6T10AHM3_A/I datasheet, SM6T10AHM3_A/I pinout, SM6T10AHM3_A/I application, or SM6T10AHM3_A/I equivalent, key selection criteria include unidirectional polarity, AEC-Q101 qualification, halogen-free RoHS compliance, low clamping ratio (VC/VBR ≈ 1.38), and thermal resistance (RθJL = 20 °C/W) for reliable surge handling in compact PCB layouts.
Technical Context
The SM6T10AHM3_A/I uses a glass-passivated silicon junction to achieve fast response (<1 ns) to transient overvoltage events and stable breakdown behavior under repetitive 10/1000 μs pulses. Its unidirectional configuration provides forward conduction capability with 100 A IFSM rating, enabling robust protection of DC power rails and low-side switch nodes.
Designed for surface-mount assembly on 5.0 mm × 5.0 mm copper pads, it meets J-STD-020 MSL Level 1 (260 °C peak reflow), supports automated placement, and delivers consistent clamping performance across -65 °C to +150 °C operating junction temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse operating voltage before clamping begins; sets minimum system working voltage margin. |
| VBR min/max | 9.50 V / 10.5 V at 1.0 mA - Confirmed breakdown threshold ensures predictable turn-on during transients. |
| VC @ IPPM | 14.5 V at 41 A (10/1000 μs) - Limits downstream voltage stress to safe levels for 3.3 V/5 V logic and gate drivers. |
| PPPM | 600 W - Sustains high-energy surges typical of automotive load-dump or inductive kickback without failure. |
| RθJL | 20 °C/W - Enables efficient heat transfer from junction to PCB leads, critical for repeated surge duty cycles. |
| TJ max | +150 °C - Supports operation in under-hood automotive environments and sealed industrial enclosures. |
| AEC-Q101 | Qualified - Meets stress test requirements for automotive electronic components including temperature cycling and HTRB. |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, halogen-free, RoHS-compliant, with matte tin-plated leads solderable per J-STD-002. Cathode indicated by band marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient current return path | Connected to ground or low-impedance reference plane; carries full surge current during clamping. |
| Cathode | Protected circuit connection point | Connected to line being protected (e.g., VCC rail or signal input); defines unidirectional blocking direction. |
Key Features
| Feature | Design Value |
|---|---|
| 600 W peak pulse power | Handles high-energy transients from motor drives and relay coils without degradation over rated lifetime. |
| Low clamping ratio (VC/VBR ≈ 1.38) | Minimizes overvoltage overshoot during suppression, reducing risk of latch-up or oxide damage in protected ICs. |
| MSL Level 1 moisture sensitivity | Eliminates bake requirement prior to reflow, streamlining SMT manufacturing for high-volume production. |
| AEC-Q101 qualified & halogen-free | Meets automotive reliability standards and environmental compliance mandates for Tier-1 supply chain integration. |
| Low inductance layout | Reduces voltage overshoot during fast-rising transients (e.g., ESD or lightning-induced surges) due to optimized internal geometry. |
Applications
| Automotive Power Rail Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load-dump transients up to 35 V and ISO 7637-2 pulse 5a. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VBAT and GND, clamping surges before they reach PMIC or microcontroller inputs. Use Value: Maintains system uptime by preventing reset or latch-up during vehicle cranking and alternator regulation faults. | Use Scenario: Shielding analog outputs of pressure/temperature sensors in factory automation PLC modules from cable discharge events. IC Role / Device Role / Timing Role: TVS mounted at connector entry point, shunting ESD and induced noise on 4–20 mA or 0–10 V signal lines. Use Value: Preserves measurement accuracy and prevents false triggers by limiting transient voltage to <15 V at sensor amplifier input. |
| DC-DC Converter Input Protection | MOSFET Gate Driver Protection |
Use Scenario: Safeguarding buck converter inputs in telecom power supplies exposed to hot-swap and backplane transients. IC Role / Device Role / Timing Role: TVS placed upstream of input filter capacitor, absorbing energy before it stresses input capacitors or controller ICs. Use Value: Extends capacitor lifetime and avoids controller brown-out by clamping spikes within 100 ns of onset. | Use Scenario: Preventing gate oxide rupture in N-channel high-side MOSFETs driven by isolated gate drivers in motor inverters. IC Role / Device Role / Timing Role: TVS connected between gate and source, clamping Miller-induced voltage spikes during fast switching transitions. Use Value: Enables reliable 100 kHz+ switching by limiting gate-source voltage to ≤15 V, below absolute maximum rating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ10A | Same SMB package, 600 W rating, but VWM = 10 V, VC = 16.0 V at 37.5 A; no AEC-Q101 qualification. | Lacks automotive qualification; suitable for commercial/industrial use only. | Select when AEC-Q101 is not required and higher clamping voltage is acceptable. |
| SMCJ10A | Higher power (1500 W), larger SMC (DO-214AB) package, same VWM/VC specs; RθJL = 15 °C/W. | Requires larger PCB footprint and different pad layout; better thermal performance under sustained surge duty. | Choose for systems needing higher single-pulse energy margin or extended thermal derating at elevated ambient temperatures. |
Compared with SMAJ10A and SMCJ10A, the SM6T10AHM3_A/I offers automotive-grade reliability in the smallest standard SMB footprint while maintaining tight clamping and halogen-free compliance-ideal for space-constrained, safety-critical designs where qualification and material content are mandatory.
Availability
SM6T10AHM3_A/I is available at Aetrix Electronics and suitable for automotive ECUs, industrial sensor interfaces, DC-DC converter inputs, and MOSFET gate driver circuits requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for SM6T10AHM3_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, TVS devices, and optoelectronics with emphasis on reliability, efficiency, and application-specific optimization.
The SM6T Series is designed specifically for robust transient suppression in automotive, industrial, and telecom power systems-delivering high pulse power density, AEC-Q101 qualification, and halogen-free compliance in standardized surface-mount packages.
FAQ
What is the clamping voltage of the SM6T10AHM3_A/I under a 10/1000 μs surge?
The SM6T10AHM3_A/I has a maximum clamping voltage (VC) of 14.5 V when subjected to a 10/1000 μs waveform at its rated peak pulse current of 41 A. This value is measured per Figure 1 in the official Vishay datasheet (Document Number: 88385, Rev. 09-Jan-2024) and reflects the actual voltage seen by protected circuitry during worst-case transient events. The SM6T10AHM3_A/I maintains this clamping performance across its full operating temperature range.
Is the SM6T10AHM3_A/I qualified for automotive applications?
Yes, the SM6T10AHM3_A/I is AEC-Q101 qualified, as confirmed by Vishay's ordering code suffix "HM3" and documentation in the SM6T Series datasheet. This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and humidity testing-making the SM6T10AHM3_A/I suitable for under-hood and chassis-mounted automotive electronics where reliability under harsh conditions is mandatory.
What does the "HM3" suffix indicate in SM6T10AHM3_A/I?
The "HM3" suffix in SM6T10AHM3_A/I denotes halogen-free, RoHS-compliant construction with AEC-Q101 qualification. Per Vishay's ordering information table, HM3 parts meet JESD201 Class 2 whisker resistance and are supplied in tape-and-reel packaging compatible with automated SMT assembly. The "A/I" denotes revision level and 13-inch reel delivery mode, confirming full production readiness and traceability.
How does the SM6T10AHM3_A/I compare to bidirectional TVS diodes like SM6T10CA?
The SM6T10AHM3_A/I is unidirectional and intended for DC rail protection where polarity is fixed; it conducts forward current up to 100 A (IFSM). In contrast, SM6T10CA is bidirectional and used for AC or differential signal lines. The SM6T10AHM3_A/I cannot replace SM6T10CA in symmetrical surge environments without circuit redesign, as its anode-cathode asymmetry would cause unintended conduction in one direction.
What is the thermal resistance from junction to lead (RθJL) for the SM6T10AHM3_A/I?
The SM6T10AHM3_A/I has a typical junction-to-lead thermal resistance (RθJL) of 20 °C/W, as specified in the Thermal Characteristics section of the Vishay SM6T datasheet. This value enables effective heat dissipation into the PCB copper pads during repetitive surge events and supports reliable operation at junction temperatures up to +150 °C-critical for automotive and industrial applications with limited airflow.
SM6T10AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AA, SMB
- Series:
- SM6T, TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 8.55V
- Voltage - Breakdown (Min):
- 9.5V
- Voltage - Clamping (Max) @ Ipp:
- 14.5V
- Current - Peak Pulse (10/1000µs):
- 41A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
SM6T10AHM3_A/I FAQ
1.How can I place an order for SM6T10AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for SM6T10AHM3_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 SM6T10AHM3_A/I reliable?
The price and inventory of SM6T10AHM3_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 SM6T10AHM3_A/I is usually 5 days.
3.What payment methods are accepted for SM6T10AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SM6T10AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SM6T10AHM3_A/I?
SM6T10AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SM6T10AHM3_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 SM6T10AHM3_A/I?
For technical support, including SM6T10AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SM6T10AHM3_A/I requirements.
6.How does Aetrix verify that SM6T10AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All SM6T10AHM3_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 SM6T10AHM3_A/I meets industry standards.
7.What is the process for return or replacement of SM6T10AHM3_A/I?
All SM6T10AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with SM6T10AHM3_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 SM6T10AHM3_A/I part is unused and in its original packaging.
Return procedure for SM6T10AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SM6T10AHM3_A/I Tags
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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