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Vishay General Semiconductor - Diodes Division TA6F15AHM3/6A
- Part No.:
- TA6F15AHM3/6A
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-221AC, SMA Flat Leads
- Datasheet:
-
TA6F15AHM3/6A.pdf
- Description:
- TVS DIODE 12.8VWM 21.2VC DO221AC
- Quantity:
- Payment:
- Shipping:
Inventory:5,720
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Product details
Overview
TA6F15AHM3/6A from Vishay General Semiconductor is a unidirectional surface-mount PAR® transient voltage suppressor (TVS) designed for clamping inductive switching transients and ESD events on power rails and signal lines. It features a 14.3 V to 15.8 V breakdown voltage (VBR), 12.8 V maximum standoff voltage (VWM), 600 W peak pulse power (10/1000 µs), 28.3 A peak pulse current (IPPM), and 21.2 V maximum clamping voltage (VC) - deployed in automotive body control modules, industrial sensor interfaces, and telecom power supply protection.
For engineers reviewing the TA6F15AHM3/6A datasheet, TA6F15AHM3/6A pinout, TA6F15AHM3/6A application, or TA6F15AHM3/6A equivalent, this page delivers verified electrical parameters, DO-221AC package dimensions, AEC-Q101 qualification status, thermal resistance values, and real-world use cases - all grounded in Vishay's official Document Number 89939 (Rev. 18-Apr-16).
Technical Context
This TVS diode uses passivated anisotropic rectifier technology to achieve stable clamping under repetitive surge stress while maintaining low leakage (<1 µA at VWM) and high junction temperature capability (TJ = 185 °C). Its unidirectional polarity and DO-221AC (SlimSMA) package enable compact placement near IC inputs or MOSFET gates without polarity ambiguity.
The device meets IEC 61000-4-2 Level 4 ESD immunity (15 kV air / 8 kV contact) and MSL Level 1 reflow compatibility (260 °C peak), making it suitable for automated SMT assembly in high-reliability automotive and industrial environments where thermal derating and long-term stability are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBR (min/max) | 14.3 V / 15.8 V - defines minimum voltage at which clamping initiates reliably under 1 mA test current |
| VWM | 12.8 V - maximum continuous reverse operating voltage before significant leakage begins |
| IPPM (10/1000 µs) | 28.3 A - peak surge current the device safely clamps without failure under standard lightning waveform |
| VC @ IPPM | 21.2 V - maximum voltage seen across protected circuit during full-rated surge event |
| PPPM | 600 W - peak pulse power handling capacity under 10/1000 µs waveform, enabling robust transient suppression |
| TJ max | 185 °C - enables operation in under-hood automotive environments and high-power industrial enclosures |
| RθJA | 145 °C/W - thermal resistance from junction to ambient on FR-4 board with minimum pad layout |
Pinout & Package
Package: DO-221AC (SlimSMA), surface-mount, unidirectional, cathode indicated by color band. Dimensions: 4.15–4.35 mm length × 2.50–2.70 mm width × 0.95 mm typical height.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or lower-potential rail; forms forward path during clamping |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 12 V rail or signal trace); accepts transient energy into junction |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress per JESD47 |
| IEC 61000-4-2 Level 4 ESD | Withstands 15 kV air discharge and 8 kV contact discharge without parametric shift or failure |
| DO-221AC SlimSMA footprint | Enables high-density PCB layouts with 0.95 mm profile - compatible with standard SMT pick-and-place |
| Junction passivation design | Reduces surface leakage and improves long-term stability under high humidity and bias stress |
| MSL Level 1 rating | Supports lead-free reflow up to 260 °C peak without moisture-induced damage |
Applications
| Automotive Body Control Module (BCM) | Industrial Sensor Signal Line Protection |
|---|---|
Use Scenario: Protecting LIN bus transceivers and microcontroller GPIOs from load-dump and inductive kickback in door module ECUs. IC Role / Device Role / Timing Role: Unidirectional TVS placed between LIN line and ground to clamp transients below 21.2 V while preserving signal integrity. Use Value: Prevents latch-up or permanent damage to 5 V tolerant transceivers during 12 V system surges up to 600 W. |
Use Scenario: Safeguarding analog output (4–20 mA) and digital I/O lines of pressure/temperature sensors in factory automation PLCs. IC Role / Device Role / Timing Role: Clamping ESD events and relay-switching spikes on sensor interface traces before they reach ADC inputs or isolators. Use Value: Maintains <1 µA leakage at 12.8 V standby, ensuring minimal impact on precision current-loop accuracy. |
| Telecom Power Supply Input | Consumer Appliance Motor Driver Stage |
Use Scenario: Secondary-side overvoltage protection on +5 V/+12 V outputs of AC/DC adapters used in VoIP gateways and base stations. IC Role / Device Role / Timing Role: Fast-response TVS absorbing coupled lightning surges from upstream DC-DC converters or external ports. Use Value: Limits clamped voltage to 21.2 V, protecting downstream LDOs and PMICs rated for ≤24 V absolute maximum. |
Use Scenario: Suppressing back-EMF from brushed DC motors in smart home appliances (e.g., washing machine drum drives). IC Role / Device Role / Timing Role: Mounted across motor terminals or MOSFET drain-source to absorb inductive energy during PWM commutation. Use Value: Handles 28.3 A peak pulses without degradation, extending MOSFET lifetime and reducing radiated emissions. |
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-E3/5A (Vishay) | Same DO-214AC package; higher RθJA (150 °C/W); VC = 24.4 V at same IPPM | Lower clamping ratio (VC/VBR ≈ 1.63 vs. 1.41), less effective for tight-margin 15 V systems | Select when legacy SMA footprint compatibility is required and 24.4 V clamping is acceptable |
| 1.5SMC15A (ON Semiconductor) | DO-214AB package (larger); VBR = 14.3–15.8 V; VC = 24.4 V; PPPM = 1500 W | Higher power rating but 2.5× larger footprint and 1.5× taller - unsuitable for space-constrained designs | Choose only if system requires >600 W surge margin and board area permits larger case |
Compared with SMAJ15A-E3/5A and 1.5SMC15A, TA6F15AHM3/6A offers superior clamping performance (21.2 V vs. ≥24.4 V), lower profile (0.95 mm vs. ≥2.3 mm), and tighter thermal resistance (145 °C/W), making it optimal for next-generation automotive and industrial modules where size, efficiency, and voltage margin are critical.
Availability
TA6F15AHM3/6A is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and telecom power supply protection requiring stable component supply, AEC-Q101 compliance, and high-temperature reliability.
Supply support for TA6F15AHM3/6A 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, power efficiency, and automotive qualification.
The TA6F15AHM3/6A belongs to Vishay's PAR® family of high-temperature, surface-mount TVS diodes engineered specifically for harsh-environment transient suppression in automotive, industrial, and telecom infrastructure applications.
FAQ
What is the breakdown voltage range of the TA6F15AHM3/6A?
The TA6F15AHM3/6A has a specified breakdown voltage (VBR) range of 14.3 V to 15.8 V at 1.0 mA test current, measured per Vishay Document 89939. This range ensures consistent clamping initiation across production lots and temperature extremes, supporting reliable overvoltage protection in 12 V automotive and industrial systems where TA6F15AHM3/6A is commonly deployed.
Is the TA6F15AHM3/6A suitable for automotive applications?
Yes, the TA6F15AHM3/6A is AEC-Q101 qualified and rated for TJ = 185 °C, making it suitable for under-hood and cabin-mounted automotive electronics. Its DO-221AC package, MSL Level 1 reflow rating, and IEC 61000-4-2 Level 4 ESD immunity confirm its readiness for production automotive use - a key reason why TA6F15AHM3/6A appears in BCM, lighting, and ADAS subsystem BOMs.
What is the maximum clamping voltage of the TA6F15AHM3/6A during a 10/1000 µs surge?
The TA6F15AHM3/6A exhibits a maximum clamping voltage (VC) of 21.2 V when subjected to its rated 28.3 A peak pulse current (IPPM) under the standard 10/1000 µs waveform. This value is measured and guaranteed per Vishay's datasheet and directly determines the safe overvoltage margin for downstream components protected by TA6F15AHM3/6A.
Does the TA6F15AHM3/6A have bidirectional or unidirectional polarity?
The TA6F15AHM3/6A is unidirectional only, as explicitly stated in the Vishay datasheet. Its cathode is marked by a color band, and it conducts only during reverse-biased overvoltage events - ideal for DC rail protection where polarity is fixed. This distinguishes TA6F15AHM3/6A from bidirectional variants like the TA6F15CA series, which are not applicable for single-polarity applications.
What package type does the TA6F15AHM3/6A use, and what are its key mechanical features?
The TA6F15AHM3/6A uses the DO-221AC (SlimSMA) package: 4.15–4.35 mm length, 2.50–2.70 mm width, and 0.95 mm typical height. It features matte tin-plated leads compliant with J-STD-002 and JESD22-B102, halogen-free molding compound, UL 94 V-0 flammability rating, and JESD201 Class 2 whisker resistance - all confirmed in the TA6F15AHM3/6A datasheet revision 18-Apr-16.
TA6F15AHM3/6A 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:
- Obsolete
- 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)
TA6F15AHM3/6A FAQ
1.How can I place an order for TA6F15AHM3/6A through Aetrix?
Please submit a Request for Quotation (RFQ) for TA6F15AHM3/6A 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 TA6F15AHM3/6A reliable?
The price and inventory of TA6F15AHM3/6A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TA6F15AHM3/6A is usually 5 days.
3.What payment methods are accepted for TA6F15AHM3/6A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TA6F15AHM3/6A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TA6F15AHM3/6A?
TA6F15AHM3/6A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TA6F15AHM3/6A 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 TA6F15AHM3/6A?
For technical support, including TA6F15AHM3/6A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TA6F15AHM3/6A requirements.
6.How does Aetrix verify that TA6F15AHM3/6A is sourced from the original manufacturer or authorized distributors?
All TA6F15AHM3/6A 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 TA6F15AHM3/6A meets industry standards.
7.What is the process for return or replacement of TA6F15AHM3/6A?
All TA6F15AHM3/6A units undergo pre-shipment inspection (PSI). If there is an issue with TA6F15AHM3/6A, 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 TA6F15AHM3/6A part is unused and in its original packaging.
Return procedure for TA6F15AHM3/6A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TA6F15AHM3/6A Tags
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