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  • The SMA4FY Transil series are designed to protect sensitive automotive circuits against surges defined in ISO 7637 series and against electrostatic discharges according to ISO 10605.

    The Planar technology makes it compatible with high-end circuits wherelow leakage current and high junction temperature are required to provide long term reliability and stability.

    Key Features

    • AEC-Q101 qualified
    • Peak pulse power: 400 W (10/1000 μs) and 2.5 kW (8/20 μs)
    • Flat and thin package: 1 mm
    • Stand-off voltage range from 5 V to 188 V
    • Unidirectional type
    • Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C
    • Operating Tj max: 175 °C
    • High power capability at Tj max.: up to 200 W (10/1000 µs)
    • Lead finishing: matte tin plating

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Mobile Applications

    • Part Number

      Protection product finder application for Android, iOS and Wandoujia

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS12492
      Automotive 400 W TVS in SMA Flat
      3.0
      804.61 KB
      PDF
      DS12492

      Automotive 400 W TVS in SMA Flat

    • Description Version Size Action
      AN2689
      Protection of automotive electronics from electrical hazards, guidelines for design and component selection
      3.1
      797.51 KB
      PDF
      AN5367
      SIMetrix / SIMPLIS: PSpice model import
      1.0
      948.16 KB
      PDF
      AN2689

      Protection of automotive electronics from electrical hazards, guidelines for design and component selection

      AN5367

      SIMetrix / SIMPLIS: PSpice model import

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
      7.0
      433.12 KB
      PDF
      TN1173

      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      sma4fxxay Altium Symbol and Footprint files 1.0
      24.38 KB
      ZIP
      sma4fxxay Orcad Symbol and Footprint files 1.0
      15.39 KB
      ZIP

      sma4fxxay Altium Symbol and Footprint files

      sma4fxxay Orcad Symbol and Footprint files

    • Description Version Size Action
      SMA4FXXAY PSpice model (.lib) and symbols (.olb) 1.0
      6.82 KB
      ZIP

      SMA4FXXAY PSpice model (.lib) and symbols (.olb)

Publications and Collaterals

    • Description Version Size Action
      ST Protection Finder - The new app for Android and iOS 1.0
      1.52 MB
      PDF
      TVS Flat for automotive: ISO 7637/10605 rated and 175°C capability 1.0
      760.25 KB
      PDF

      ST Protection Finder - The new app for Android and iOS

      TVS Flat for automotive: ISO 7637/10605 rated and 175°C capability

    • Description Version Size Action
      Automotive-grade protection devices and rectifiers 1.0
      825.43 KB
      PDF

      Automotive-grade protection devices and rectifiers

    • Description Version Size Action
      Electric vehicle (EV) ecosystem 1.1
      1.28 MB
      PDF

      Electric vehicle (EV) ecosystem

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
SMA4F30AY
Active
SMA Flat Automotive Ecopack2

SMA4F30AY

Package:

SMA Flat

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SMA Flat

Grade

Automotive

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Breakdown Voltage (V) (typ)
Budgetary Price (US$)*/Qty
More info
min
max
SMA4F30AY Available at 3 distributors

Distributor availability ofSMA4F30AY

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9755 1 Order Now
RS COMPONENTS EUROPE 1000 1 Order Now
MOUSER WORLDWIDE 9983 1 Order Now

Distributor reported inventory date: 2020-08-02

Distributor Name

DIGIKEY

Stock

9755

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1000

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

9983

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-02

Buy now
Active
EAR99 NEC Tape And Reel SMA Flat - - - 0.092 / 1k
MORE INFO

Directionality:

Uni-Directional

Unit Price (US$):

0.092

Country of Origin:

MOROCCO

SMA4F30AY

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.092 / 1k

Distributor availability ofSMA4F30AY

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 9755 1 Order Now
RS COMPONENTS EUROPE 1000 1 Order Now
MOUSER WORLDWIDE 9983 1 Order Now

Distributor reported inventory date: 2020-08-02

Distributor Name

DIGIKEY

Stock

9755

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1000

Min.Order

1

Region

EUROPE Order Now

MOUSER

Stock

9983

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-08-02

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SMA Flat

Operating Temperature (°C)

(min)

-

(max)

-

Breakdown Voltage (V) (typ)

-

Directionality

Uni-Directional

Budgetary Price (US$)* / Qty

0.092 / 1k

Country of Origin

MOROCCO

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors