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Vishay T6N12CAHM3/H
- Part No.:
- T6N12CAHM3/H
- Manufacturer:
- Vishay
- Category:
- TVS Diodes
- Package:
- 2-VDFN
- Datasheet:
-
T6N12CAHM3/H.pdf
- Description:
- 600W,12V 5%, DFN3820A BIDIR TVS
- Quantity:
- Payment:
- Shipping:
Inventory:9,984
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Product details
Overview
T6N12CAHM3/H 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 clamping voltage of 16.7 V at 35.9 A peak surge current and operates up to 185 °C junction temperature - designed for automotive-grade ESD and surge protection on sensor signal lines and MOSFET gates.
For engineers reviewing the T6N12CAHM3/H datasheet, T6N12CAHM3/H pinout, T6N12CAHM3/H application, or T6N12CAHM3/H equivalent, key selection criteria include its AEC-Q101 qualification, MSL Level 1 rating, side-wettable flanks for AOI, and compatibility with SMP (DO-220AA) footprint - critical for high-reliability automotive PCB layouts requiring automated optical inspection and thermal robustness.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology optimized for low-leakage bidirectional clamping. Its DFN3820A package enables thermal resistance of RθJA ≤ 175 °C/W and RθJM ≤ 6.5 °C/W, supporting operation from –65 °C to +185 °C junction temperature.
It meets IEC 61000-4-2 ±30 kV contact/air discharge and delivers stable clamping under repetitive transients induced by inductive load switching - validated per JESD22-B102 solderability and JESD201 Class 2 whisker testing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 11.4 / 12.0 / 12.6 V - ensures reliable triggering above system operating voltage while maintaining margin against false clamping |
| VWM | 10.2 V - maximum continuous reverse working voltage compatible with 12 V automotive supply rails |
| VC @ IPPM | 16.7 V - clamps transient energy to safe levels for downstream 16 V-rated ICs and MOSFETs |
| IPPM (10/1000 μs) | 35.9 A - sustains high-energy surges without degradation in automotive load-dump or ISO 7637-2 scenarios |
| TJ max | +185 °C - supports under-hood placement and long-term reliability in high-temperature engine control units |
| ESD immunity | ±30 kV (IEC 61000-4-2) - protects sensitive analog front-ends in camera modules and radar sensors |
| Package | DFN3820A - 3.95 mm × 2.18 mm × 0.88 mm low-profile footprint with side-wettable flanks for AOI-compliant reflow |
Pinout & Package
DFN3820A package: 2-terminal, bidirectional device with no polarity marking; terminals are matte tin-plated and solderable per J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Anode/Cathode (bidirectional) | Common connection point for symmetrical clamping - no cathode band; interchangeable in layout |
| Terminal 2 | Anode/Cathode (bidirectional) | Paired terminal completing the bidirectional path - enables placement across differential or single-ended lines without orientation constraint |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive electronics per stress test requirements - enables use in safety-critical ADAS and powertrain modules |
| Side-wettable flanks | Enables automated optical inspection (AOI) of solder joints without X-ray - reduces post-reflow defect escape in high-volume SMT lines |
| MSL Level 1 (260 °C) | Eliminates pre-bake requirement before reflow - simplifies manufacturing flow and avoids moisture-related popcorning |
| Halogen-free & RoHS | Complies with automotive environmental standards (J-STD-609 Class 1) and end-of-life recycling mandates |
| TJ = 185 °C capability | Supports sustained operation near heat sources (e.g., power inverters, motor drivers) without derating |
Applications
| Automotive Sensor Protection | Power Supply Rail Clamping |
|---|---|
Use Scenario: Protecting LIN bus transceivers and analog sensor outputs (e.g., pressure, temperature) from ESD and load-switching transients in engine compartments. IC Role / Device Role / Timing Role: Bidirectional clamping element placed directly at connector interface or IC input pins. Use Value: Limits transient voltage to ≤16.7 V during 35.9 A surges, preserving signal integrity and preventing latch-up in 12 V rail-connected microcontrollers. | Use Scenario: Safeguarding 12 V power rails feeding infotainment head units and body control modules against ISO 7637-2 pulse 1/2a/5a events. IC Role / Device Role / Timing Role: Primary overvoltage clamp parallel to bulk capacitance on main power entry points. Use Value: Absorbs 600 W peak pulse energy within 1000 μs, preventing brownout or reset caused by line-induced spikes up to 100 V. |
| MOSFET Gate Protection | Camera Module ESD Hardening |
Use Scenario: Shielding N-channel MOSFET gate drivers in LED lighting and HVAC actuators from inductive kickback during PWM switching. IC Role / Device Role / Timing Role: Fast-response shunt protector between gate and source, placed adjacent to driver IC output. Use Value: Sub-1 ns response time clamps gate voltage to <16.7 V, avoiding oxide breakdown in 20 V-rated logic-level MOSFETs. | Use Scenario: Hardening FPC-mounted image sensors and serializer ICs in rear-view and surround-view cameras against cable-discharge events. IC Role / Device Role / Timing Role: Point-of-entry TVS on MIPI CSI-2 differential pairs and power pins. Use Value: Withstands ±30 kV IEC 61000-4-2 contact discharge while maintaining <0.5 pF junction capacitance at 0 V bias - preserving signal rise time. |
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 (SMA), higher RθJA (~190 °C/W), 12 V VBR, same 600 W rating | Larger footprint (4.5 × 2.7 mm), no side-wettable flanks, not AEC-Q101 qualified | Select when board space allows larger package and AOI is not required; verify thermal margin at 185 °C ambient. |
| TPSMF12CA | DFN2020-3L package (2.0 × 2.0 mm), same AEC-Q101, lower PPPM (400 W), VC = 19.9 V @ 20.5 A | Smaller size but reduced surge handling; higher clamping voltage limits use with 16 V-rated devices | Choose for space-constrained designs where 400 W surge capacity suffices and clamping margin permits. |
Compared with SMAJ12CA and TPSMF12CA, the T6N12CAHM3/H uniquely combines AEC-Q101 qualification, DFN3820A side-wettable flanks for AOI, and 600 W/16.7 V clamping in a thermally optimized 3.95 mm × 2.18 mm footprint - making it optimal for high-density, high-reliability automotive PCBs demanding zero visual inspection gaps and extended thermal life.
Availability
T6N12CAHM3/H is available at Aetrix Electronics and suitable for automotive sensor protection, power rail clamping, and MOSFET gate safeguarding requiring stable component supply across production lifecycles.
Supply support for T6N12CAHM3/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 high-reliability diodes, MOSFETs, and passive components for automotive, industrial, and computing markets.
The T6N12CAHM3/H belongs to Vishay's PAR® TVS family - engineered specifically for AEC-Q101-compliant transient suppression in harsh automotive environments, emphasizing thermal stability, AOI compatibility, and high-energy surge absorption.
FAQ
What is the breakdown voltage tolerance of the T6N12CAHM3/H?
The T6N12CAHM3/H has a ±5 % breakdown voltage tolerance, specified as 11.4 V (min) to 12.6 V (max) at 1.0 mA test current. This tight tolerance ensures consistent clamping behavior across production lots and supports precise overvoltage margining in 12 V automotive systems where the T6N12CAHM3/H is deployed as primary surge protection.
Is the T6N12CAHM3/H suitable for use in under-hood automotive applications?
Yes, the T6N12CAHM3/H is rated for junction temperatures up to +185 °C and is AEC-Q101 qualified, making it suitable for under-hood applications such as engine control units, transmission control modules, and radiator fan drivers. Its DFN3820A package and passivated anisotropic rectifier technology ensure stable performance under sustained thermal stress - a key requirement verified in the T6N12CAHM3/H qualification testing.
Does the T6N12CAHM3/H require orientation during PCB placement?
No, the T6N12CAHM3/H is a bidirectional TVS diode with no cathode band or polarity marking, so orientation is not required during placement. Both terminals are functionally identical, enabling flexible routing and eliminating assembly errors - a design feature confirmed in the mechanical data section of the T6N12CAHM3/H datasheet and supported by its symmetric DFN3820A pinout.
What is the maximum clamping voltage of the T6N12CAHM3/H at its rated peak pulse current?
The T6N12CAHM3/H has a maximum clamping voltage (VC) of 16.7 V at its rated peak pulse current (IPPM) of 35.9 A under a 10/1000 μs waveform. This value is measured per Figure 1 and Table 1 in the official Vishay datasheet for T6N12CAHM3/H and defines the upper voltage limit imposed on protected circuitry during worst-case surge events.
How does the T6N12CAHM3/H support automated optical inspection (AOI)?
The T6N12CAHM3/H features side-wettable flanks in its DFN3820A package, allowing solder joint quality to be verified using standard AOI systems without requiring X-ray inspection. This capability is explicitly documented in the "Features" section of the T6N12CAHM3/H datasheet and directly supports high-yield, cost-effective SMT assembly for automotive electronics manufacturers.
T6N12CAHM3/H 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/H FAQ
1.How can I place an order for T6N12CAHM3/H through Aetrix?
Please submit a Request for Quotation (RFQ) for T6N12CAHM3/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 T6N12CAHM3/H reliable?
The price and inventory of T6N12CAHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for T6N12CAHM3/H is usually 5 days.
3.What payment methods are accepted for T6N12CAHM3/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for T6N12CAHM3/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for T6N12CAHM3/H?
T6N12CAHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your T6N12CAHM3/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 T6N12CAHM3/H?
For technical support, including T6N12CAHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your T6N12CAHM3/H requirements.
6.How does Aetrix verify that T6N12CAHM3/H is sourced from the original manufacturer or authorized distributors?
All T6N12CAHM3/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 T6N12CAHM3/H meets industry standards.
7.What is the process for return or replacement of T6N12CAHM3/H?
All T6N12CAHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with T6N12CAHM3/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 T6N12CAHM3/H part is unused and in its original packaging.
Return procedure for T6N12CAHM3/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
T6N12CAHM3/H Tags
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