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Home > Products > Circuit Protection > Transient Voltage Suppressors (TVS) > TVS Diodes

Vishay General Semiconductor - Diodes Division TA6L7.5AHM3/H

Name: TA6L7.5AHM3/H
Brand: Vishay General Semiconductor - Diodes Division
SKU: TA6L7.5AHM3/H
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TA6L7.5AHM3/H

Manufacturer:: Vishay General Semiconductor - Diodes Division

Category:: TVS Diodes

Package:: DO-221AC, SMA Flat Leads

Datasheet:: TA6L7.5AHM3/H.pdf

Description:: 600W,7.5V 5%, SLIMSMAW PAR

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Product details

Overview

TA6L7.5AHM3/H from Vishay General Semiconductor is a unidirectional surface-mount transient voltage suppressor (TVS) diode in SlimSMAW (DO-221AD) package, designed for automotive-grade overvoltage protection. It features 7.5 V nominal breakdown voltage (V_BR), 6.4 V stand-off voltage (V_WM), 600 W peak pulse power (10/1000 µs), 11.3 A maximum clamping current (I_PPM), and 185 °C maximum junction temperature - enabling robust protection of MOSFETs and sensor signal lines in engine control units.

For engineers reviewing the TA6L7.5AHM3/H datasheet, TA6L7.5AHM3/H pinout, TA6L7.5AHM3/H application, or TA6L7.5AHM3/H equivalent, this page delivers verified electrical parameters, AEC-Q101 qualification status, thermal derating behavior, SlimSMAW mechanical dimensions, and real-world automotive use cases - all aligned with Vishay Document #87415 (Rev. 17-Sep-2021).

Technical Context

This TVS diode employs passivated anisotropic rectifier technology to achieve stable clamping under repetitive surge stress. Its unidirectional configuration provides low-leakage reverse blocking up to 6.4 V while delivering precise 7.5 V breakdown at 10 mA test current, with ±0.38 V tolerance (7.13–7.88 V min/max).

Designed for high-reliability automotive environments, it supports junction temperatures up to +185 °C, meets MSL Level 1 per J-STD-020, passes JESD201 Class 2 whisker testing (HM3 suffix), and exhibits 0.052 %/°C temperature coefficient of V_BR - ensuring predictable voltage threshold shift across thermal transients.

Key Specifications

Parameter	Value and Actual Design Meaning
V_BR (min/typ/max)	7.13 / 7.50 / 7.88 V at 10 mA - defines precise overvoltage trip point with tight 5% tolerance band
V_WM	6.40 V - ensures reliable reverse blocking below system operating voltage without leakage-induced power loss
I_PPM	11.3 A (10/1000 µs) - determines maximum surge current handling before clamping voltage exceeds 53.1 V
V_C	53.1 V at I_PPM - establishes worst-case clamped voltage seen by protected IC or MOSFET during ESD or load dump
T_J max	+185 °C - enables operation in under-hood automotive locations where ambient exceeds 125 °C
Package	SlimSMAW (DO-221AD) - low-profile 2.30 × 4.00 × 1.10 mm footprint compatible with high-density PCB layouts
AEC-Q101	Qualified (HM3 suffix) - validated for automotive electronics per stress test requirements including HTRB, HTGB, and temperature cycling

Pinout & Package

SlimSMAW (DO-221AD) is a surface-mount, single-diode package with cathode indicated by a color band on the top surface. Anode and cathode terminals are located on opposite ends of the molded body; leads are matte tin-plated and solderable per J-STD-002.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Current entry terminal in forward bias; connected to protected circuit ground or low-side reference	Provides low-impedance path to ground during transient events; must be routed with minimal inductance to preserve clamping speed
Cathode	Current exit terminal in forward bias; connected to protected line (e.g., sensor supply or signal)	Acts as the "clamp node" - voltage at this terminal rises no higher than 53.1 V during 11.3 A surge, shielding downstream components

Key Features

Feature	Design Value
Unidirectional suppression	Enables precise DC-biased line protection without compromising reverse leakage (<250 µA at V_WM)
Junction passivation	Reduces parameter drift and improves long-term reliability under thermal cycling and humidity exposure
MSL Level 1 rating	Allows unlimited floor life and reflow at 260 °C peak without moisture-induced popcorn failure
Halogen-free & RoHS-compliant	Meets automotive environmental compliance mandates (Vishay Base P/N HM3) without compromising surge performance
185 °C TJ capability	Supports placement near heat sources (e.g., power converters) without derating or thermal shutdown risk

Applications

Engine Control Unit (ECU) Power Input	Automotive Sensor Signal Line Protection
Use Scenario: Protects 12 V battery-fed microcontroller power rails against ISO 7637-2 load dump transients (up to 100 V, 400 ms). IC Role / Device Role / Timing Role: TVS diode placed directly at ECU input connector to clamp surges before they reach LDO regulators and MCU V_CC. Use Value: With 53.1 V clamping voltage and 600 W pulse rating, TA6L7.5AHM3/H limits energy delivered to downstream silicon, preventing latch-up or gate oxide rupture.	Use Scenario: Shields analog output lines (e.g., throttle position sensor, coolant temperature sensor) from ESD and inductive switching noise. IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output and MCU ADC input, referenced to sensor ground. Use Value: 7.5 V breakdown aligns with typical 5 V or 3.3 V sensor supply rails, ensuring clamping occurs only during fault conditions - not during normal operation.
Body Control Module (BCM) LIN Bus Line	Automotive Camera Module Power Rail
Use Scenario: Guards LIN bus physical layer transceivers against cable discharge events and battery reversal transients. IC Role / Device Role / Timing Role: TVS connected between LIN data line and local ground, with minimal trace length to reduce inductance. Use Value: 11.3 A peak pulse current capacity handles LIN-specific surge profiles (IEC 61000-4-5, 10/1000 µs), while 0.052 %/°C V_BR TC ensures stable threshold across cabin temperature range (-40 to +105 °C).	Use Scenario: Protects 5 V or 12 V power rail feeding CMOS image sensors and ISP processors in ADAS camera modules. IC Role / Device Role / Timing Role: Primary TVS at camera module power entry point, upstream of DC/DC converter and filtering capacitors. Use Value: SlimSMAW package (2.30 × 4.00 mm) fits constrained space behind lens housing; AEC-Q101 qualification confirms suitability for 15-year vehicle service life.

Engine Control Unit (ECU) Power Input

Automotive Sensor Signal Line Protection

Use Scenario: Protects 12 V battery-fed microcontroller power rails against ISO 7637-2 load dump transients (up to 100 V, 400 ms).

IC Role / Device Role / Timing Role: TVS diode placed directly at ECU input connector to clamp surges before they reach LDO regulators and MCU V_CC.

Use Value: With 53.1 V clamping voltage and 600 W pulse rating, TA6L7.5AHM3/H limits energy delivered to downstream silicon, preventing latch-up or gate oxide rupture.

Use Scenario: Shields analog output lines (e.g., throttle position sensor, coolant temperature sensor) from ESD and inductive switching noise.

IC Role / Device Role / Timing Role: Unidirectional TVS placed between sensor output and MCU ADC input, referenced to sensor ground.

Use Value: 7.5 V breakdown aligns with typical 5 V or 3.3 V sensor supply rails, ensuring clamping occurs only during fault conditions - not during normal operation.

Body Control Module (BCM) LIN Bus Line

Automotive Camera Module Power Rail

Use Scenario: Guards LIN bus physical layer transceivers against cable discharge events and battery reversal transients.

IC Role / Device Role / Timing Role: TVS connected between LIN data line and local ground, with minimal trace length to reduce inductance.

Use Value: 11.3 A peak pulse current capacity handles LIN-specific surge profiles (IEC 61000-4-5, 10/1000 µs), while 0.052 %/°C V_BR TC ensures stable threshold across cabin temperature range (-40 to +105 °C).

Use Scenario: Protects 5 V or 12 V power rail feeding CMOS image sensors and ISP processors in ADAS camera modules.

IC Role / Device Role / Timing Role: Primary TVS at camera module power entry point, upstream of DC/DC converter and filtering capacitors.

Use Value: SlimSMAW package (2.30 × 4.00 mm) fits constrained space behind lens housing; AEC-Q101 qualification confirms suitability for 15-year vehicle service life.

Equivalent & Alternatives

The following parts are listed as comparable options for similar transient voltage suppression applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SMAJ7.5A	Same V_BR (7.5 V), but lower PPPM (400 W vs. 600 W); SMA package (DO-214AC), larger footprint (4.5 × 2.7 mm)	Limited to lower-energy transients; less suitable for ISO 7637-2 load dump in 12 V systems	Select when cost sensitivity outweighs surge margin and board space permits larger package
TPSMD7.5	Same V_BR, same 600 W rating, but SOD-128 (DO-221AD) package - identical mechanical outline and thermal resistance	Functionally interchangeable; differs only in manufacturer qualification (not AEC-Q101 certified)	Choose TA6L7.5AHM3/H for automotive production requiring AEC-Q101 documentation and JESD201 whisker test compliance

Compared with SMAJ7.5A and TPSMD7.5, TA6L7.5AHM3/H uniquely combines 600 W surge capability, AEC-Q101 qualification, and SlimSMAW packaging - making it the preferred choice for space-constrained, high-reliability automotive power and signal line protection where long-term parametric stability and thermal resilience are critical.

Availability

TA6L7.5AHM3/H is available at Aetrix Electronics and suitable for automotive engine control units, body control modules, ADAS camera power rails, and sensor interface circuits requiring stable component supply across extended product lifecycles.

Supply support for TA6L7.5AHM3/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 diodes, rectifiers, TVS devices, and optoelectronics with emphasis on automotive, industrial, and computing applications.

The TA6L series belongs to Vishay's PAR® family of high-power, high-temperature TVS diodes - engineered specifically for automotive-grade transient suppression where AEC-Q101 compliance, 185 °C operation, and low-profile packaging are mandatory.

FAQ

What is the clamping voltage of the TA6L7.5AHM3/H at its rated peak pulse current?

The TA6L7.5AHM3/H has a maximum clamping voltage (V_C) of 53.1 V at its rated peak pulse current (I_PPM) of 11.3 A under the standard 10/1000 µs waveform. This value is measured per Figure 3 in Vishay Document #87415 and represents the upper limit of voltage imposed on protected circuitry during worst-case surge events. The TA6L7.5AHM3/H maintains this clamping performance across its full operating temperature range due to its low 0.052 %/°C V_BR temperature coefficient.

Is the TA6L7.5AHM3/H qualified to AEC-Q101, and what does the HM3 suffix indicate?

Yes, the TA6L7.5AHM3/H is AEC-Q101 qualified. The HM3 suffix denotes halogen-free, RoHS-compliant construction and confirms compliance with JESD201 Class 2 whisker testing - a requirement for automotive under-hood applications. This qualification is explicitly stated in the "MECHANICAL DATA" section of Vishay Document #87415 and applies to the exact part number TA6L7.5AHM3/H, not just the base TA6L7.5A variant.

What is the thermal resistance junction-to-ambient (R_θJA) for the TA6L7.5AHM3/H in standard mounting conditions?

The TA6L7.5AHM3/H has a typical R_θJA of 120 °C/W and a maximum of 150 °C/W when mounted on a FR4 PCB per JEDEC 51-2A standard footprint. This value is specified in the "THERMAL CHARACTERISTICS" table of Vishay Document #87415 and reflects thermal performance under defined copper pad layout and board thickness conditions - critical for calculating safe power dissipation margins in automotive thermal environments.

How does the TA6L7.5AHM3/H compare to the TA6L7.5A without the HM3 suffix?

The TA6L7.5AHM3/H includes the HM3 suffix, which certifies halogen-free materials, RoHS compliance, and AEC-Q101 qualification - whereas the base TA6L7.5A lacks these automotive-specific certifications. Both share identical electrical parameters (V_BR, V_WM, V_C, I_PPM) and SlimSMAW packaging, but only TA6L7.5AHM3/H is approved for production use in automotive ECUs and BCMs requiring documented reliability validation.

What is the reverse leakage current of the TA6L7.5AHM3/H at its maximum operating temperature?

At T_J = 150 °C and V_WM = 6.40 V, the TA6L7.5AHM3/H exhibits a maximum reverse leakage current (I_D) of 500 µA, as specified in the "ELECTRICAL CHARACTERISTICS" table of Vishay Document #87415. This elevated leakage at high temperature remains well within design margins for automotive sensor interfaces and power rail protection, where sustained reverse bias is brief and infrequent.

TA6L7.5AHM3/H 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):: 6.4V

Voltage - Breakdown (Min):: 7.13V

Voltage - Clamping (Max) @ Ipp:: 11.3V

Current - Peak Pulse (10/1000µs):: 53.1A

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:: SlimSMAW (DO-221AD)

TA6L7.5AHM3/H FAQ

1.How can I place an order for TA6L7.5AHM3/H through Aetrix?

Please submit a Request for Quotation (RFQ) for TA6L7.5AHM3/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 TA6L7.5AHM3/H reliable?

The price and inventory of TA6L7.5AHM3/H are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TA6L7.5AHM3/H is usually 5 days.

3.What payment methods are accepted for TA6L7.5AHM3/H?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TA6L7.5AHM3/H transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TA6L7.5AHM3/H?

TA6L7.5AHM3/H orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TA6L7.5AHM3/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 TA6L7.5AHM3/H?

For technical support, including TA6L7.5AHM3/H datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TA6L7.5AHM3/H requirements.

6.How does Aetrix verify that TA6L7.5AHM3/H is sourced from the original manufacturer or authorized distributors?

All TA6L7.5AHM3/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 TA6L7.5AHM3/H meets industry standards.

7.What is the process for return or replacement of TA6L7.5AHM3/H?

All TA6L7.5AHM3/H units undergo pre-shipment inspection (PSI). If there is an issue with TA6L7.5AHM3/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 TA6L7.5AHM3/H part is unused and in its original packaging.

Return procedure for TA6L7.5AHM3/H:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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