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Vishay T6N12CAHM3/I
- Part No.:
- T6N12CAHM3/I
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- 2-VDFN
- Datasheet:
-
T6N12CAHM3/I.pdf
- Description:
- 600W,12V 5%, DFN3820A BIDIR TVS
- Quantity:
- Payment:
- Shipping:
Inventory:13,990
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Product details
Overview
T6N12CAHM3/I from Vishay General Semiconductor is a bidirectional surface-mount PAR® Transient Voltage Suppressor in DFN3820A package, with 12 V nominal breakdown voltage (VBR = 11.4–12.6 V), 10.2 V stand-off voltage (VWM), and 600 W peak pulse power (10/1000 μs). It delivers 35.9 A peak pulse current and clamps to 16.7 V at rated surge, enabling robust protection of automotive sensor signal lines and MOSFET gates against ESD and load-switching transients.
For engineers reviewing the T6N12CAHM3/I datasheet, T6N12CAHM3/I pinout, T6N12CAHM3/I application, or T6N12CAHM3/I equivalent, this AEC-Q101-qualified TVS offers verified 185 °C junction capability, side-wettable flanks for AOI, and MSL Level 1 reliability - critical for high-temperature automotive ECUs and ADAS sensor interfaces.
Technical Context
This device implements a passivated anisotropic rectifier structure optimized for low-clamping-voltage transient suppression. Its bidirectional configuration eliminates polarity dependency in AC-coupled or differential signal paths, while the DFN3820A footprint supports high-density PCB layouts with automated placement compatibility.
Thermal performance is defined by RθJA = 140–175 °C/W (JEDEC 51-2A) and RθJM = 5–6.5 °C/W (JEDEC 51-14), enabling sustained operation up to TJ = 185 °C. It meets IEC 61000-4-2 ±30 kV contact/air discharge and is halogen-free, RoHS-compliant, and qualified per AEC-Q101.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 11.4 / 12.0 / 12.6 V - ensures reliable conduction onset above 10.2 V system operating voltage |
| VWM | 10.2 V - maximum continuous reverse voltage before leakage exceeds 2 μA at 25 °C |
| VC @ IPPM | 16.7 V - clamping voltage during 35.9 A surge, limiting downstream IC stress to safe levels |
| PPPM | 600 W (10/1000 μs) - handles automotive load-dump and ISO 7637-2 pulse 1/2/5a energy |
| TJ max | +185 °C - supports under-hood deployment without derating in engine control modules |
| ESD immunity | ±30 kV (IEC 61000-4-2) - protects CAN/LIN bus nodes and camera sensor interfaces |
| Package | DFN3820A (3.95 × 2.18 × 0.88 mm) - enables AOI-compatible, space-constrained placement |
Pinout & Package
DFN3820A package: 2-terminal, leadless, bidirectional device with no cathode marking. Terminals are matte tin-plated, solderable per J-STD-002/JESD 22-B102, and feature side-wettable flanks for automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Common connection point; symmetric conduction in either direction - no polarity assignment required |
| Terminal 2 | Anode/Cathode (bidirectional) | Paired terminal completing the transient shunt path; both terminals function identically in clamp mode |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables single-device protection of AC-coupled or differential signals (e.g., CAN H/L, LIN bus) without polarity concerns |
| Side-wettable flanks | Supports automated optical inspection (AOI) of solder joints on compact DFN3820A footprint |
| AEC-Q101 qualification | Validates reliability for automotive applications including powertrain, body electronics, and ADAS sensors |
| 185 °C junction rating | Permits operation in high-temperature zones (e.g., near engine control units) without thermal derating |
| Halogen-free & RoHS | Meets automotive environmental compliance requirements (JESD201 Class 2 whisker resistance) |
Applications
| Automotive Sensor Protection | CAN Bus Transient Suppression |
|---|---|
Use Scenario: Protecting analog output lines of pressure, temperature, and position sensors in engine compartments exposed to load-switching spikes and ESD. IC Role / Device Role / Timing Role: Bidirectional TVS shunt element placed directly at sensor connector or ASIC input pins. Use Value: Clamps transients to ≤16.7 V while maintaining <2 μA leakage at 10.2 V, preserving sensor accuracy and longevity. | Use Scenario: Safeguarding high-speed CAN FD transceivers (e.g., TCAN1042, SN65HVD230) against ISO 16750-2 and ISO 7637-2 pulses. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF typical) parallel clamp across CAN_H/CAN_L differential pair. Use Value: Limits voltage excursion to 16.7 V during 35.9 A surges without distorting signal integrity or violating common-mode range. |
| Power MOSFET Gate Protection | Infotainment Display Interface |
Use Scenario: Shielding gate drivers and logic-level MOSFETs in DC-DC converters and motor control stages from inductive kickback. IC Role / Device Role / Timing Role: Fast-response TVS placed between gate and source to absorb sub-100 ns turn-off spikes. Use Value: Sub-1 ns response time and 16.7 V clamping prevent gate oxide breakdown in 30 V-rated MOSFETs. | Use Scenario: Protecting MIPI D-PHY and LVDS video signal lines in automotive infotainment head units from ESD events during assembly and field use. IC Role / Device Role / Timing Role: Compact DFN3820A TVS mounted adjacent to display connector to minimize trace inductance. Use Value: 0.88 mm height and side-wettable flanks enable co-placement with fine-pitch connectors while passing ±30 kV IEC 61000-4-2. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12CA | DO-214AC package (larger footprint, 2.4 mm height), lower thermal resistance (RθJA ≈ 60 °C/W), same VBR/VC specs | Preferred where board space allows and higher power dissipation margin is needed | Select SMAJ12CA when layout permits larger SMC footprint and thermal management prioritizes junction-to-ambient conduction |
| TPSMF12CA | DFN2510-10 package (2.5 × 1.0 mm), lower PPPM (400 W), identical VBR/VWM, same AEC-Q101 qualification | Used in ultra-compact modules where 600 W surge margin is not required | Choose TPSMF12CA only if system-level testing confirms 400 W peak pulse rating suffices for worst-case transients |
Compared with SMAJ12CA and TPSMF12CA, the T6N12CAHM3/I uniquely balances 600 W surge capacity, 0.88 mm profile, and AEC-Q101 qualification in the DFN3820A outline - making it optimal for next-gen automotive ECUs requiring high density and under-hood thermal resilience.
Availability
T6N12CAHM3/I is available at Aetrix Electronics and suitable for automotive sensor protection, CAN bus interface hardening, and power MOSFET gate safeguarding requiring stable component supply across production lifecycles.
Supply support for T6N12CAHM3/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 designs and manufactures discrete semiconductors including diodes, rectifiers, and TVS devices for industrial, automotive, and computing applications.
The T6N12CAHM3/I belongs to Vishay's PAR® family of surface-mount TVS diodes engineered specifically for high-reliability automotive environments demanding AEC-Q101 qualification, 185 °C operation, and AOI-compatible packaging.
FAQ
What is the exact breakdown voltage range for T6N12CAHM3/I?
The T6N12CAHM3/I has a guaranteed breakdown voltage (VBR) range of 11.4 V (minimum) to 12.6 V (maximum) at 1.0 mA test current, with a nominal value of 12.0 V. This ±5 % tolerance is confirmed in the Vishay datasheet Document Number 98489, Table on page 2, and defines the voltage threshold at which the device transitions from high-impedance blocking to low-impedance clamping behavior.
Is T6N12CAHM3/I compatible with lead-free reflow processes?
Yes, T6N12CAHM3/I is fully compatible with lead-free reflow processes. Its matte tin-plated terminals meet J-STD-002 and JESD 22-B102 solderability standards, and it is rated for a maximum peak temperature of 260 °C per J-STD-020 MSL Level 1 - supporting standard Pb-free SAC305 profiles without degradation.
Does T6N12CAHM3/I have polarity markings on the package?
No, T6N12CAHM3/I does not have polarity markings. As a bidirectional TVS, it features symmetrical terminal construction with no cathode band or anode indicator. Both terminals are electrically identical, allowing unrestricted orientation during placement on PCBs used in AC-coupled or differential signal paths.
What is the maximum clamping voltage of T6N12CAHM3/I at its rated surge current?
The maximum clamping voltage (VC) of T6N12CAHM3/I is 16.7 V when subjected to its rated peak pulse current (IPPM) of 35.9 A under the standard 10/1000 μs waveform. This value is measured per Figure 1 and Table on page 2 of the Vishay datasheet 98489 and represents the upper limit of voltage seen by protected circuitry during worst-case transient events.
How does T6N12CAHM3/I differ from industry-grade T6N12CA variants?
The T6N12CAHM3/I differs from non-HM3 variants by incorporating AEC-Q101 qualification, halogen-free and RoHS-compliant materials, JESD201 Class 2 whisker resistance, and MSL Level 1 moisture sensitivity rating. The "HM3" suffix explicitly denotes these automotive-grade enhancements - whereas base T6N12CA parts lack formal qualification and may use different termination or molding compounds.
T6N12CAHM3/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay
- Package/Case:
- 2-VDFN
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 10.2V
- Voltage - Breakdown (Min):
- 11.4V
- Voltage - Clamping (Max) @ Ipp:
- 16.7V
- Current - Peak Pulse (10/1000µs):
- 35.9A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 185°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- DFN3820A
T6N12CAHM3/I FAQ
1.How can I place an order for T6N12CAHM3/I through Aetrix?
Please submit a Request for Quotation (RFQ) for T6N12CAHM3/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 T6N12CAHM3/I reliable?
The price and inventory of T6N12CAHM3/I are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T6N12CAHM3/I is usually 5 days.
3.What payment methods are accepted for T6N12CAHM3/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T6N12CAHM3/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for T6N12CAHM3/I?
T6N12CAHM3/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your T6N12CAHM3/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 T6N12CAHM3/I?
For technical support, including T6N12CAHM3/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T6N12CAHM3/I requirements.
6.How does Aetrix verify that T6N12CAHM3/I is sourced from the original manufacturer or authorized distributors?
All T6N12CAHM3/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 T6N12CAHM3/I meets industry standards.
7.What is the process for return or replacement of T6N12CAHM3/I?
All T6N12CAHM3/I units undergo pre-shipment inspection (PSI). If there is an issue with T6N12CAHM3/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 T6N12CAHM3/I part is unused and in its original packaging.
Return procedure for T6N12CAHM3/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
T6N12CAHM3/I Tags
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