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Vishay General Semiconductor - Diodes Division TA6F15AHM3_A/I
- Part No.:
- TA6F15AHM3_A/I
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-221AC, SMA Flat Leads
- Datasheet:
-
TA6F15AHM3_A/I.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC DO221AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,708
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Product details
Overview
TA6F15AHM3_A/I from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) diode in SlimSMA (DO-221AC) package, featuring 15.0 V nominal breakdown voltage (VBR), 12.8 V stand-off voltage (VWM), and 600 W peak pulse power (10/1000 μs). It delivers 28.3 V clamping voltage at 21.2 A peak pulse current and operates up to +185 °C junction temperature - designed for automotive sensor line protection against inductive switching transients.
For engineers reviewing the TA6F15AHM3_A/I datasheet, TA6F15AHM3_A/I pinout, TA6F15AHM3_A/I application, or TA6F15AHM3_A/I equivalent, this device requires attention to its unidirectional polarity, MSL Level 1 moisture sensitivity, AEC-Q101 qualification, and thermal resistance (RθJA = 120–150 °C/W) under FR4 PCB mounting conditions.
Technical Context
This TVS diode uses passivated anisotropic rectifier technology with junction passivation optimized for high-reliability operation. Its clamping behavior is defined by a 10/1000 μs waveform test condition, and it exhibits a positive temperature coefficient of VBR (+0.076 %/°C), enabling predictable voltage shift over temperature.
The device is rated for 30 kV ESD protection per IEC 61000-4-2 (contact and air discharge), meets UL 94 V-0 flammability, and supports automated SMT placement due to its low-profile height (0.95 mm typical) and matte tin-plated terminals compliant with J-STD-002 and JESD22-B102.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/typ/max) | 14.3 / 15.0 / 15.8 V - defines reliable conduction onset under surge, critical for protecting downstream 12 V automotive circuits |
| VWM | 12.8 V - maximum continuous reverse voltage before leakage exceeds 1.0 μA, ensuring no interference during normal 12 V system operation |
| VC @ IPPM | 28.3 V at 21.2 A - clamped voltage seen by protected IC/MOSFET during worst-case 600 W transient, limiting stress to safe levels |
| PPPM | 600 W (10/1000 μs) - surge energy handling capacity sufficient for ISO 7637-2 Pulse 1 & 2a in automotive environments |
| TJ max | +185 °C - enables operation in engine bay or powertrain modules where ambient temperatures exceed 125 °C |
| ESD Rating | 30 kV contact/air per IEC 61000-4-2 - provides robust immunity against human-body-model and system-level electrostatic events |
| Package | SlimSMA (DO-221AC) - 2.70 × 4.35 mm footprint with 0.95 mm height, optimized for space-constrained automotive PCB layouts |
Pinout & Package
SlimSMA (DO-221AC) package with cathode indicated by color band on one end; anode and cathode terminals are co-planar, matte tin-plated, and compatible with standard reflow profiles (peak 260 °C, MSL Level 1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry terminal during forward bias; connected to system ground or low-side reference | Provides return path for surge current when cathode is tied to protected signal line - must be routed to low-impedance ground plane |
| Cathode | Current exit terminal during reverse-biased clamping; connected to protected line (e.g., sensor output) | Acts as the "guard rail" node - all transient energy shunted from cathode to anode, requiring minimal trace inductance for effective clamping |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress - required for ASIL-B/C subsystems |
| Junction passivation design | Reduces surface leakage and improves long-term stability under high-humidity and high-temperature operating conditions (TJ = 150 °C) |
| MSL Level 1 rating | Zero floor life limitation - can be stored indefinitely at ≤30 °C/60% RH without baking prior to reflow |
| Halogen-free & RoHS-compliant | Meets automotive environmental compliance requirements (ELV, REACH) and supports lead-free manufacturing |
| Low-profile height (0.95 mm) | Enables use in ultra-thin modules such as camera ECUs or radar front-ends where Z-axis clearance is constrained |
Applications
| Automotive Sensor Protection | Power Supply Input Clamping |
|---|---|
Use Scenario: Protecting analog output lines of ABS wheel speed sensors exposed to load-dump and inductive kickback in 12 V vehicle networks. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output and ECU input to clamp transients before they reach precision ADC front-end. Use Value: Limits clamped voltage to 28.3 V while sustaining 600 W surges - prevents latch-up or damage to 3.3 V/5 V interface ICs downstream. |
Use Scenario: Safeguarding 12 V DC-DC converter input against ISO 7637-2 Pulse 1 (inductive switch-off) in body control modules. IC Role / Device Role / Timing Role: Primary transient suppression element placed directly at connector entry point, upstream of bulk capacitance. Use Value: Withstands 21.2 A peak pulse current and recovers within microseconds - maintains system uptime without sacrificial fuse activation. |
| Infotainment Interface Lines | ADAS Camera Data Lines |
Use Scenario: ESD protection on LIN bus or CAN FD physical layer lines connecting infotainment head unit to door modules. IC Role / Device Role / Timing Role: Low-capacitance TVS (CJ < 100 pF at 0 V) placed inline with data traces to suppress contact discharge without signal integrity degradation. Use Value: Delivers 30 kV IEC 61000-4-2 immunity while adding < 0.5 pF parasitic capacitance - preserves rise time for 20 kbps LIN signaling. |
Use Scenario: Transient suppression on FPD-Link III or GMSL serial video interfaces between camera module and domain controller. IC Role / Device Role / Timing Role: High-speed TVS mounted adjacent to connector to absorb lightning-induced surges before reaching serializer/deserializer ICs. Use Value: 0.95 mm profile allows placement in tight camera housing; 185 °C TJ rating ensures reliability behind vehicle grille or headlamp assemblies. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ15A | Same VWM/VBR range but higher RθJA (160 °C/W), lower TJ max (150 °C), and non-AEC-Q101 rated | Limited to industrial/commercial use; not qualified for automotive underhood deployment | Select SMAJ15A only if AEC-Q101 compliance and >150 °C operation are not required |
| TPSMF15A | Identical SlimSMA package and AEC-Q101 qualification, but lower PPPM (400 W) and higher VC (31.7 V at 14.3 A) | Insufficient for ISO 7637-2 Pulse 5a (load dump); suitable only for lower-energy ESD and coupling transients | Choose TPSMF15A where board space is identical but surge energy demands are below 400 W |
Compared with SMAJ15A and TPSMF15A, TA6F15AHM3_A/I uniquely combines AEC-Q101 qualification, 185 °C operation, and 600 W surge capability in SlimSMA - making it the only option among the three validated for high-energy automotive transients in thermally demanding locations.
Availability
TA6F15AHM3_A/I is available at Aetrix Electronics and suitable for automotive sensor protection, power supply input clamping, and ADAS camera interface protection requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for TA6F15AHM3_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 TVS devices with emphasis on automotive, industrial, and computing applications.
The TA6F series belongs to Vishay's PAR® family of high-temperature, high-reliability TVS diodes - engineered specifically for automotive subsystems subject to extreme thermal and electrical stress, including engine control, braking, and advanced driver-assistance systems.
FAQ
What is the maximum clamping voltage of TA6F15AHM3_A/I under standard test conditions?
The TA6F15AHM3_A/I has a maximum clamping voltage (VC) of 28.3 V when subjected to its rated peak pulse current of 21.2 A using a 10/1000 μs waveform. This value is measured per JEDEC-standard test methodology and ensures predictable overvoltage limiting for protected circuitry. The TA6F15AHM3_A/I maintains this clamping performance across its full operating temperature range up to +185 °C junction temperature.
Is TA6F15AHM3_A/I qualified for automotive applications?
Yes, TA6F15AHM3_A/I is AEC-Q101 qualified and rated for operation up to +185 °C junction temperature - meeting stringent reliability requirements for automotive underhood and powertrain applications. It also complies with IEC 61000-4-2 ESD (30 kV contact/air) and UL 94 V-0 flammability standards. The TA6F15AHM3_A/I is explicitly intended for use in automotive sensor units, ECUs, and ADAS modules per Vishay's published application guidance.
What does the "HM3_A/I" suffix indicate in TA6F15AHM3_A/I?
The "HM3" denotes the SlimSMA (DO-221AC) package variant with halogen-free, RoHS-compliant molding compound; "A" is the revision code; "I" specifies the packaging format - 13-inch diameter plastic tape and reel with 14,000 units per reel. This differs from "H" packaging (7-inch reel, 3,500 units). The TA6F15AHM3_A/I is fully compatible with standard SMT pick-and-place equipment and reflow profiles up to 260 °C peak.
How does TA6F15AHM3_A/I compare to standard SMAJ-series TVS diodes?
TA6F15AHM3_A/I offers superior thermal capability (TJ max = +185 °C vs. +150 °C for SMAJ15A), AEC-Q101 qualification (not present in SMAJ), and lower thermal resistance (RθJA = 120–150 °C/W vs. ~160 °C/W). Its SlimSMA package also provides 30% lower profile than standard SMA. These differences make TA6F15AHM3_A/I suitable for next-generation automotive designs where space, temperature, and qualification rigor exceed SMAJ-series limits.
Can TA6F15AHM3_A/I be used in bidirectional configurations?
No, TA6F15AHM3_A/I is a unidirectional TVS diode - its electrical characteristics, including breakdown and clamping behavior, are specified only for reverse-bias operation. For bidirectional protection, a separate device such as the bi-directional TA6F15CA variant (not TA6F15AHM3_A/I) must be selected. Using TA6F15AHM3_A/I in bidirectional applications risks failure during positive-going transients due to lack of forward conduction rating.
TA6F15AHM3_A/I Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-221AC, SMA Flat Leads
- Series:
- *
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12.8V
- Voltage - Breakdown (Min):
- 14.3V
- Voltage - Clamping (Max) @ Ipp:
- 21.2V
- Current - Peak Pulse (10/1000µs):
- 28.3A
- 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)
TA6F15AHM3_A/I FAQ
1.How can I place an order for TA6F15AHM3_A/I through Aetrix?
Please submit a Request for Quotation (RFQ) for TA6F15AHM3_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 TA6F15AHM3_A/I reliable?
The price and inventory of TA6F15AHM3_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 TA6F15AHM3_A/I is usually 5 days.
3.What payment methods are accepted for TA6F15AHM3_A/I?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TA6F15AHM3_A/I transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TA6F15AHM3_A/I?
TA6F15AHM3_A/I orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TA6F15AHM3_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 TA6F15AHM3_A/I?
For technical support, including TA6F15AHM3_A/I datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TA6F15AHM3_A/I requirements.
6.How does Aetrix verify that TA6F15AHM3_A/I is sourced from the original manufacturer or authorized distributors?
All TA6F15AHM3_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 TA6F15AHM3_A/I meets industry standards.
7.What is the process for return or replacement of TA6F15AHM3_A/I?
All TA6F15AHM3_A/I units undergo pre-shipment inspection (PSI). If there is an issue with TA6F15AHM3_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 TA6F15AHM3_A/I part is unused and in its original packaging.
Return procedure for TA6F15AHM3_A/I:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TA6F15AHM3_A/I Tags
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