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  • Available in through-hole package, the T1235T-8I Triac can be used for the on/off or phase angle control function in general purpose AC switching where high commutation capability is required. This device can be used without a snubber RC circuit when the limits defined are respected.

    TO-220AB insulated provides tab insulation, UL1557 certified, rated at 2.5 kV RMS and UL-94,V0 resin compliance.
    Package environmentally friendly Ecopack®2 graded (RoHS and Halogen Free compliance).
    Snubberless™ is a trademark of STMicroelectronics.

    Key Features

    • High static dV/dt
    • High dynamic turn-off commutation (dl/dt)c
    • 150 °C maximum Tj
    • Three quadrants
    • Built-in ceramic for tab insulation
    • Compliance to UL1557 standard (ref : E81734)
    • ECOPACK®2 compliant component
    • Complies with UL94,V0
    • Surge capability VDSM, VRSM = 900 V

Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
T1235T-8I TO-220AB Ins Tube
Active
0.4626 100 EAR99 CHINA Check Availability

Distributor availability ofT1235T-8I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 999 1 Order Now
AVNET AMERICA 1000 0 Order Now
FUTURE WORLDWIDE 1000 50 Order Now
Farnell Element14 EUROPE 124 1 Order Now

Distributor reported inventory date: 2019-08-21

Distributor Name

DIGIKEY

Stock

999

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

1000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

1000

Min.Order

50

Region

WORLDWIDE Order Now

Farnell Element14

Stock

124

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-21

T1235T-8I

Package

TO-220AB Ins

Packing Type

Tube

Unit Price (US$)

0.4626*

Distributor availability ofT1235T-8I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 999 1 Order Now
AVNET AMERICA 1000 0 Order Now
FUTURE WORLDWIDE 1000 50 Order Now
Farnell Element14 EUROPE 124 1 Order Now

Distributor reported inventory date: 2019-08-21

Distributor Name

DIGIKEY

Stock

999

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

1000

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

1000

Min.Order

50

Region

WORLDWIDE Order Now

Farnell Element14

Stock

124

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-21

Marketing Status

Active

Unit Price (US$)

0.4626

Quantity

100

ECCN (US)

EAR99

Country of Origin

CHINA

(*) 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

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Development Tools

    • Part Number

      Thyristor product finder application for Android and iOS

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS12285
      12 A Snubberless™ Triac
      2.0
      411.47 KB
      PDF
      DS12285

      12 A Snubberless™ Triac

    • Description Version Size Action
      AN2986
      AC switch triggering with 3.3 V power supply
      1.4
      338 KB
      PDF
      AN4993
      How to implement a SCR or a Triac in a hybride relay application
      1.1
      991.71 KB
      PDF
      AN4564
      Is a positive power supply mandatory for my application, or could a negative output work also?
      1.0
      384.04 KB
      PDF
      AN2703
      Parameter list for SCRs, TRIACs, AC switches, and DIACS
      2.6
      98.99 KB
      PDF
      AN302
      Thyristors and TRIACs: holding current - an important parameter
      3.5
      138.63 KB
      PDF
      AN2986

      AC switch triggering with 3.3 V power supply

      AN4993

      How to implement a SCR or a Triac in a hybride relay application

      AN4564

      Is a positive power supply mandatory for my application, or could a negative output work also?

      AN2703

      Parameter list for SCRs, TRIACs, AC switches, and DIACS

      AN302

      Thyristors and TRIACs: holding current - an important parameter

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
      6.0
      444.57 KB
      PDF
      TN1173

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

HW Model, CAD Libraries & SVD

    • Description Version Size Action
      T series high-dynamic Triacs PSpice model (.lib) and symbols (.olb) 2.0
      15.28 KB
      ZIP

      T series high-dynamic Triacs PSpice model (.lib) and symbols (.olb)

Publications and Collaterals

    • Description Version Size Action
      ST Thyristor Finder: SCRs and Triacs on Android and iOS 1.0
      854.07 KB
      PDF
      T-series Triacs: immunity and commutation driven for AC appliances 3.0
      676.39 KB
      PDF

      ST Thyristor Finder: SCRs and Triacs on Android and iOS

      T-series Triacs: immunity and commutation driven for AC appliances

    • Description Version Size Action
      Thyristors, Triacs, AC switches and A.S.D™ selection guide 2.0
      1.51 MB
      PDF

      Thyristors, Triacs, AC switches and A.S.D™ selection guide

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
T1235T-8I
Active
TO-220AB Ins Industrial Ecopack2

T1235T-8I

Package:

TO-220AB Ins

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

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.