ST Life.augmented

SM4TY

Automotive 400 W TVS
  • active Active

The SM4TY Transil series has been designed to protect sensitive automotive circuits against surges defined in ISO 7637-2 and against electrostatic discharges according to ISO 10605.

The planar technology makes it compatible with high-end circuits where low leakage current and high junction temperature are required to provide reliability and stability over time. SM4TY devices are packaged in SMA (SMA footprint in accordance with IPC 7531 standard).

pdf Please read
Errata Sheet
pdf Download
Datasheet

Key Features

  • Peak pulse power:
  • 400 W (10/1000 μs)
  • 2.3 kW (8/20 μs)
  • Stand-off voltage range: from 5 V to 70 V
  • Unidirectional and bidirectional types
  • Low leakage current:
  • 0.2 μA at 25 °C
  • 1 μA at 85 °C
  • Operating Tj max: 150 °C
  • High power capability at Tjmax:
  • 270 W (10/1000 μs)
  • JEDEC registered package outline
  • Resin meets UL 94, V0
  • AEC-Q101 qualified

Design Resources

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Technical Documentation

Product Specifications

Description Version Size
pdf
DS6927: Automotive 400 W Transil™
4.0 214 KB

Application Notes

Description Version Size
pdf
AN2689: Protection of automotive electronics from electrical hazards, guidelines for design and component selection
3.1 798 KB

Technical Notes & Articles

Description Version Size
pdf
TN1173: Packing information for IPAD™, protection, rectifiers, thyristors and AC Switches
3.1 333 KB

HW Model & CAD Libraries

HW Model & CAD Libraries

Description Version Size
zip
SM4TY PSpice model (.lib) and symbols (.olb)
1.0 48 KB

Publications and Collaterals

Selection Guides

Description Version Size
pdf
Automotive-grade protection devices and rectifiers
825 KB

Sample & Buy

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Part Number Marketing StatusBreakdown Voltage (typ) DirectionalityPackagePacking TypeOrder From STUnit Price (US$)*
@ 1000
Distributor AvailabilityRoHS Compliance GradeDownload
Material Declaration**
SM4T10AYActive9.9Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE47451
RS COMPONENTSOrder NowEUROPE39251
Ecopack2-
SM4T10CAYActive9.9Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-09
Distributor NameRegionStockMin. order
Newark Element14Order NowAMERICA2500
Farnell Element14Order NowEUROPE35171
RS COMPONENTSOrder NowEUROPE49501
DIGIKEYOrder NowWORLDWIDE891
MOUSEROrder NowWORLDWIDE49501
Ecopack2-
SM4T12AYActive11.7Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE30681
MOUSEROrder NowWORLDWIDE49971
Ecopack2-
SM4T12CAYActive11.7Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE100000
Farnell Element14Order NowEUROPE44901
Ecopack2-
SM4T14AYActive14Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE43071
Ecopack2-
SM4T14CAYActive14Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE44881
RS COMPONENTSOrder NowEUROPE40501
Ecopack2-
SM4T15AYActive15.2Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE40321
RS COMPONENTSOrder NowEUROPE49501
MOUSEROrder NowWORLDWIDE32491
Ecopack2-
SM4T15CAYActive15.2Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE7931
RS COMPONENTSOrder NowEUROPE48751
MOUSEROrder NowWORLDWIDE49501
Ecopack2-
SM4T18AYActive17.6Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE40811
RS COMPONENTSOrder NowEUROPE39001
MOUSEROrder NowWORLDWIDE37001
Ecopack2PDF
XML
SM4T18CAYActive17.6Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE4571
Ecopack2-
SM4T21AYActive21.1Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE45091
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T21CAYActive21.1Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE36101
RS COMPONENTSOrder NowEUROPE49001
Ecopack2-
SM4T23AYActive23.4Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE47911
Ecopack2-
SM4T23CAYActive23.4Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE44781
Ecopack2-
SM4T26AYActive25.7Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE47151
RS COMPONENTSOrder NowEUROPE43001
MOUSEROrder NowWORLDWIDE49701
Ecopack2-
SM4T26CAYActive25.7Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE47381
Ecopack2PDF
XML
SM4T28AYActive28.1Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE32041
RS COMPONENTSOrder NowEUROPE16501
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T28CAYActive28.1Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE19541
RS COMPONENTSOrder NowEUROPE44001
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T30AYActive30.4Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE23951
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T30CAYActive30.4Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE51281
Ecopack2PDF
XML
SM4T33AYActive32.7Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE15721
RS COMPONENTSOrder NowEUROPE48701
Ecopack2-
SM4T33CAYActive32.7Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE6531
RS COMPONENTSOrder NowEUROPE44751
MOUSEROrder NowWORLDWIDE48751
Ecopack2-
SM4T35AYActive35.1Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE24171
MOUSEROrder NowWORLDWIDE48901
Ecopack2-
SM4T35CAYActive35.1Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
ARROWOrder NowEUROPE3350000
Farnell Element14Order NowEUROPE34801
RS COMPONENTSOrder NowEUROPE47201
RUTRONIKOrder NowEUROPE50005000
Ecopack2PDF
XML
SM4T39AYActive38.6Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE18951
RS COMPONENTSOrder NowEUROPE30501
MOUSEROrder NowWORLDWIDE49201
Ecopack2-
SM4T39CAYActive38.6Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE4401
RS COMPONENTSOrder NowEUROPE47001
MOUSEROrder NowWORLDWIDE67271
Ecopack2PDF
XML
SM4T47AYActive46.7Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE1441
RS COMPONENTSOrder NowEUROPE49501
Ecopack2-
SM4T47CAYActive46.7Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
RS COMPONENTSOrder NowEUROPE21501
Ecopack2-
SM4T50AYActive50.3Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE49841
Ecopack2-
SM4T50CAYActive50.3Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE48841
Ecopack2-
SM4T56AYActive56.1Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE44511
Ecopack2-
SM4T56CAYActive56.1Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE32621
RS COMPONENTSOrder NowEUROPE43001
Ecopack2-
SM4T68AYActive67.8Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE49211
RS COMPONENTSOrder NowEUROPE49001
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T68CAYActive67.8Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
AVNETOrder NowAMERICA50000
Farnell Element14Order NowEUROPE19271
RS COMPONENTSOrder NowEUROPE42751
MOUSEROrder NowWORLDWIDE50001
Ecopack2-
SM4T6V7AYActive6.74Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-09
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE601
RS COMPONENTSOrder NowEUROPE31501
DIGIKEYOrder NowWORLDWIDE121
MOUSEROrder NowWORLDWIDE771
Ecopack2-
SM4T6V7CAYActive6.74Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
RS COMPONENTSOrder NowEUROPE34501
MOUSEROrder NowWORLDWIDE24821
Ecopack2-
SM4T7V6AYActive7.58Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE35631
MOUSEROrder NowWORLDWIDE17301
Ecopack2-
SM4T7V6CAYActive7.58Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE47321
Ecopack2-
SM4T82AYActive81.9Bi-Directional;Uni-DirectionalSMATape And Reel-.137Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE48041
Ecopack2-
SM4T82CAYActive81.9Bi-Directional;Uni-DirectionalSMATape And Reel-.147Distributor reported inventory date: 2016-02-08
Distributor NameRegionStockMin. order
Farnell Element14Order NowEUROPE45761
RS COMPONENTSOrder NowEUROPE49251
Ecopack2-

(*) 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
(**) 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.
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