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Vishay General Semiconductor - Diodes Division TA6F11AHM3_A/H
- Part No.:
- TA6F11AHM3_A/H
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-221AC, SMA Flat Leads
- Datasheet:
-
TA6F11AHM3_A/H.pdf
- Description:
- TVS DIODE 9.4VWM 15.6VC DO221AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,819
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Product details
Overview
TA6F11AHM3_A/H from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) in SlimSMA (DO-221AC) package, featuring 11.0 V nominal breakdown voltage (VBR), 9.40 V stand-off voltage (VWM), 38.5 V clamping voltage at 15.6 A peak pulse current, and 600 W peak pulse power rating (10/1000 µs). It is AEC-Q101 qualified and rated for automotive sensor line protection against inductive switching transients.
For engineers reviewing the TA6F11AHM3_A/H datasheet, TA6F11AHM3_A/H pinout, TA6F11AHM3_A/H application, or TA6F11AHM3_A/H equivalent, this device delivers high-temperature operation up to 185 °C junction, low-profile 0.95 mm height, IEC 61000-4-2 ±30 kV ESD robustness, and MSL Level 1 reflow compatibility - critical for automotive ECUs and ADAS sensor interfaces.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with junction passivation optimized for stable clamping under repetitive surge stress. Its unidirectional configuration enables precise reverse-biased overvoltage clamping on signal or power rails where polarity is fixed.
The SlimSMA (DO-221AC) package provides low thermal resistance (RθJM = 12–15 °C/W) and supports automated placement with matte tin-plated leads compliant to J-STD-002 and JESD22-B102. Cathode identification via color band ensures correct orientation during assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 10.5 / 11.0 / 11.6 V at 1.0 mA - defines reliable conduction onset under transient stress without false triggering at normal operating voltage |
| VWM | 9.40 V - maximum continuous reverse working voltage before leakage exceeds 2.0 µA, ensuring no interference with 9 V nominal systems |
| VC @ IPPM | 38.5 V at 15.6 A - clamping voltage limits downstream IC stress during 600 W (10/1000 µs) surges, protecting 3.3 V/5 V logic interfaces |
| PPPM | 600 W - peak pulse power handling capacity per standard waveform, enabling robust protection against ISO 7637-2 Pulse 1/2a/5a events |
| TJ max | 185 °C - extended junction temperature rating supports under-hood automotive deployment without derating penalties |
| ESD Rating | ±30 kV contact & air discharge per IEC 61000-4-2 - eliminates need for secondary ESD components on CAN/LIN/sensor lines |
| Package | SlimSMA (DO-221AC) - 0.95 mm profile fits tight board spacing; halogen-free, RoHS-compliant, AEC-Q101 qualified |
Pinout & Package
SlimSMA (DO-221AC) is a two-terminal surface-mount package with cathode identified by a color band. Terminals are matte tin-plated for solderability per J-STD-002 and JESD22-B102, and meet JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-impedance return path; establishes reference for clamping action during positive transients |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., sensor supply or signal); conducts surge current to anode when VAK exceeds VBR |
Key Features
| Feature | Design Value |
|---|---|
| Very low profile (0.95 mm typical height) | Enables integration into space-constrained automotive modules such as radar front-ends and camera ECU PCBs without height interference |
| AEC-Q101 qualification | Validates reliability for automotive applications including engine control, body electronics, and ADAS sensors per stress test requirements |
| Junction passivation optimized design | Reduces parameter drift over lifetime and improves stability under thermal cycling (−65 °C to +185 °C) |
| MSL Level 1, 260 °C peak reflow | Supports single-pass lead-free reflow without popcorn effect or delamination, eliminating post-reflow inspection overhead |
| Unidirectional clamping | Provides precise reverse-biased protection ideal for DC-powered sensor lines and supply rails where polarity is fixed |
Applications
| Automotive Sensor Protection | CAN/LIN Bus Line Protection |
|---|---|
|
Use Scenario: Protecting analog output lines of pressure, temperature, and position sensors in engine bay environments exposed to load dump and inductive kick. IC Role / Device Role / Timing Role: Transient voltage suppressor placed directly at sensor connector interface to clamp fast-rising spikes before reaching ASIC or MCU ADC inputs. Use Value: Prevents latch-up or permanent damage to 12-bit ADCs and rail-to-rail op-amps by limiting voltage to ≤38.5 V during 600 W surges. |
Use Scenario: Safeguarding CAN H/L and LIN bus transceivers against ESD events and coupled noise from adjacent high-current solenoid drivers. IC Role / Device Role / Timing Role: Unidirectional TVS mounted between bus line and ground, leveraging low capacitance (<100 pF) to avoid signal integrity degradation at 1 Mbps CAN FD rates. Use Value: Maintains bus timing margins with <1 ns response time and withstands ±30 kV IEC 61000-4-2 discharges without performance shift. |
| Power Supply Rail Clamping | ADAS Camera Module Input Protection |
|
Use Scenario: Secondary overvoltage protection on 5 V or 3.3 V regulated rails downstream of DC/DC converters in infotainment head units. IC Role / Device Role / Timing Role: Standoff-rated TVS absorbing residual transients that bypass primary protection stages, acting as last-line defense before SoC power pins. Use Value: Ensures system-level compliance with ISO 16750-2 by clamping 100 V/100 ms load dump events to safe levels below IC absolute maximum ratings. |
Use Scenario: Front-end protection for MIPI CSI-2 data lines and power inputs of 8 MP automotive cameras subjected to vibration-induced arcing and ESD during service. IC Role / Device Role / Timing Role: SlimSMA-packaged TVS placed within 3 mm of connector entry point to minimize inductance and maximize clamping effectiveness. Use Value: Preserves image quality by preventing pixel corruption or frame loss caused by sub-100 ns ESD pulses on high-speed differential pairs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ11A | Same VBR range (10.5–11.6 V), but lower PPPM = 400 W; RθJA = 160 °C/W vs. 120–150 °C/W for TA6F11AHM3_A/H | Limited to lower-energy transients; less suitable for ISO 7637-2 Pulse 5a in 12 V systems | Select SMAJ11A only if board layout restricts thermal pad area or cost sensitivity outweighs surge margin |
| SMCJ11A | Higher PPPM = 1500 W, but larger DO-214AB package (2.5 mm height); same VBR/VC specs | Requires more PCB area and may not fit in slim automotive modules; better for under-hood power distribution nodes | Choose SMCJ11A when surge energy exceeds 600 W capability and vertical clearance >2.5 mm is available |
Compared with SMAJ11A and SMCJ11A, TA6F11AHM3_A/H uniquely balances 600 W surge handling, 0.95 mm profile, and AEC-Q101 qualification - making it optimal for next-generation compact ADAS and body control modules where height, reliability, and standardized qualification are jointly constrained.
Availability
TA6F11AHM3_A/H is available at Aetrix Electronics and suitable for automotive sensor protection, CAN/LIN bus hardening, and ADAS camera module input protection requiring stable component supply across long production lifecycles.
Supply support for TA6F11AHM3_A/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 TVS devices for automotive, industrial, and computing markets.
The TA6F series belongs to Vishay's PAR® family of surface-mount TVS diodes engineered specifically for AEC-Q101-compliant automotive electronics needing high-temperature stability, low-profile packaging, and repeatable clamping performance.
FAQ
What is the breakdown voltage tolerance of TA6F11AHM3_A/H?
The TA6F11AHM3_A/H has a guaranteed breakdown voltage range of 10.5 V (min) to 11.6 V (max) at 1.0 mA test current, with 11.0 V nominal. This ±5% tolerance ensures consistent clamping behavior across production lots and supports reliable design margining against system-level transients without over-specifying protection.
Is TA6F11AHM3_A/H compatible with lead-free reflow processes?
Yes, TA6F11AHM3_A/H meets MSL Level 1 per J-STD-020 and supports peak reflow temperatures up to 260 °C. Its matte tin-plated terminals comply with J-STD-002 and JESD22-B102, enabling robust wetting and intermetallic formation during standard Pb-free SAC305 profiles without voiding or dewetting.
Does TA6F11AHM3_A/H require a heatsink for 600 W pulse handling?
No external heatsink is required for single-pulse 600 W (10/1000 µs) events. The TA6F11AHM3_A/H achieves this rating with its SlimSMA package's low RθJM (12–15 °C/W) and optimized thermal pad layout on FR4. Continuous power dissipation remains limited to 8 W at TM = 65 °C.
How does the temperature coefficient of VBR affect TA6F11AHM3_A/H in under-hood applications?
TA6F11AHM3_A/H has a VBR temperature coefficient of +0.067 %/°C. At 150 °C junction temperature, VBR increases by ~8.4%, shifting from 11.0 V to ~11.9 V - still well below the 38.5 V clamping voltage, preserving protection margin across full automotive temperature range.
Can TA6F11AHM3_A/H be used for bidirectional transient suppression?
No, TA6F11AHM3_A/H is unidirectional and designed for reverse-biased clamping only. For bidirectional protection (e.g., AC lines or floating signals), a dedicated bidirectional TVS like SMBJ11CA or a dual-diode array must be selected - TA6F11AHM3_A/H will not conduct during positive transients on the anode side.
TA6F11AHM3_A/H Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-221AC, SMA Flat Leads
- Series:
- PAR®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 9.4V
- Voltage - Breakdown (Min):
- 10.5V
- Voltage - Clamping (Max) @ Ipp:
- 15.6V
- Current - Peak Pulse (10/1000µs):
- 38.5A
- 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
- Supplier Device Package:
- DO-221AC (SlimSMA)
TA6F11AHM3_A/H FAQ
1.How can I place an order for TA6F11AHM3_A/H through Aetrix?
Please submit a Request for Quotation (RFQ) for TA6F11AHM3_A/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 TA6F11AHM3_A/H reliable?
The price and inventory of TA6F11AHM3_A/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TA6F11AHM3_A/H is usually 5 days.
3.What payment methods are accepted for TA6F11AHM3_A/H?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TA6F11AHM3_A/H transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TA6F11AHM3_A/H?
TA6F11AHM3_A/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TA6F11AHM3_A/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 TA6F11AHM3_A/H?
For technical support, including TA6F11AHM3_A/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TA6F11AHM3_A/H requirements.
6.How does Aetrix verify that TA6F11AHM3_A/H is sourced from the original manufacturer or authorized distributors?
All TA6F11AHM3_A/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 TA6F11AHM3_A/H meets industry standards.
7.What is the process for return or replacement of TA6F11AHM3_A/H?
All TA6F11AHM3_A/H units undergo pre-shipment inspection (PSI). If there is an issue with TA6F11AHM3_A/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 TA6F11AHM3_A/H part is unused and in its original packaging.
Return procedure for TA6F11AHM3_A/H:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TA6F11AHM3_A/H Tags
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