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  • Available in through-hole or surface mount packages, the T1235H and T1250H Triac series are suitable for general purpose mains power ac switching.

    By using an internal ceramic pad, the T12xxH-6I provides voltage insulation (rated at 2500 V rms).

    Key Features

    • Medium current Triac
    • 150 °C max. Tjturn-off commutation
    • Low thermal resistance with clip bonding
    • Very high 3 quadrant commutation capability
    • Packages are RoHS (2002/95/EC) compliant
    • UL certified (ref. file E81734)

Sample & Buy

Part Number
Package
Packing Type
Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
Country of Origin
Order from Distributors
Order from ST
T1235H-6G-TR D2PAK Tape And Reel
Active
0.4862 1000 EAR99 CHINA Check Availability

Distributor availability ofT1235H-6G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1936 1 Order Now
RS COMPONENTS EUROPE 6320 5 Order Now
AVNET AMERICA 13000 0 Order Now
ARROW EUROPE 2000 0 Order Now
MOUSER WORLDWIDE 962 1 Order Now
Farnell Element14 EUROPE 2631 1 Order Now
RUTRONIK EUROPE 3000 1000 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1936

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

6320

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

13000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

962

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2631

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

3000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Buy now
T1235H-6I TO-220AB Ins Tube
Active
0.5321 100 EAR99 CHINA Check Availability

Distributor availability ofT1235H-6I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1314 1 Order Now
MOUSER WORLDWIDE 2437 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1314

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2437

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-17

Buy now
T1235H-6G D2PAK Tube
Active
0.4862 1000 EAR99 CHINA Check Availability

Distributor availability ofT1235H-6G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 976 1 Order Now
MOUSER WORLDWIDE 939 1 Order Now
Farnell Element14 EUROPE 2693 1 Order Now
ANGLIA Live EUROPE 150 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

976

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

939

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2693

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

150

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Get sample
T1235H-6T TO-220AB Tube
Active
0.4862 1000 EAR99 CHINA Check Availability

Distributor availability ofT1235H-6T

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1597 1 Order Now
RS COMPONENTS EUROPE 40 1 Order Now
ARROW EUROPE 8000 0 Order Now
MOUSER WORLDWIDE 1344 1 Order Now
Farnell Element14 EUROPE 88 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1597

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

40

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

8000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

1344

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

88

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Get sample

T1235H-6G-TR

Package

D2PAK

Packing Type

Tape And Reel

Unit Price (US$)

0.4862*

Distributor availability ofT1235H-6G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1936 1 Order Now
RS COMPONENTS EUROPE 6320 5 Order Now
AVNET AMERICA 13000 0 Order Now
ARROW EUROPE 2000 0 Order Now
MOUSER WORLDWIDE 962 1 Order Now
Farnell Element14 EUROPE 2631 1 Order Now
RUTRONIK EUROPE 3000 1000 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1936

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

6320

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

13000

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

962

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2631

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

3000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Marketing Status

Active

Unit Price (US$)

0.4862

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

T1235H-6I

Package

TO-220AB Ins

Packing Type

Tube

Unit Price (US$)

0.5321*

Distributor availability ofT1235H-6I

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1314 1 Order Now
MOUSER WORLDWIDE 2437 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1314

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2437

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-17

Marketing Status

Active

Unit Price (US$)

0.5321

Quantity

100

ECCN (US)

EAR99

Country of Origin

CHINA

T1235H-6G

Package

D2PAK

Packing Type

Tube

Unit Price (US$)

0.4862*

Distributor availability ofT1235H-6G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 976 1 Order Now
MOUSER WORLDWIDE 939 1 Order Now
Farnell Element14 EUROPE 2693 1 Order Now
ANGLIA Live EUROPE 150 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

976

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

939

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2693

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

150

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Marketing Status

Active

Unit Price (US$)

0.4862

Quantity

1000

ECCN (US)

EAR99

Country of Origin

CHINA

T1235H-6T

Package

TO-220AB

Packing Type

Tube

Unit Price (US$)

0.4862*

Distributor availability ofT1235H-6T

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1597 1 Order Now
RS COMPONENTS EUROPE 40 1 Order Now
ARROW EUROPE 8000 0 Order Now
MOUSER WORLDWIDE 1344 1 Order Now
Farnell Element14 EUROPE 88 1 Order Now

Distributor reported inventory date: 2019-09-17

Distributor Name

DIGIKEY

Stock

1597

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

40

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

8000

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

1344

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

88

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-17

Marketing Status

Active

Unit Price (US$)

0.4862

Quantity

1000

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
      DS5313
      High temperature 12 A Snubberless™ Triacs
      2.1
      131.8 KB
      PDF
      DS5313

      High temperature 12 A Snubberless™ Triacs

    • 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
      AN2777
      New high-temperature, high-performance TRIACs for optimized vacuum cleaner designs
      1.2
      303.15 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?

      AN2777

      New high-temperature, high-performance TRIACs for optimized vacuum cleaner designs

      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
      H series high-temperature Triacs PSpice model (.lib) and symbols (.olb) 4.0
      13.41 KB
      ZIP

      H series high-temperature Triacs PSpice model (.lib) and symbols (.olb)

Publications and Collaterals

    • Description Version Size Action
      H Series TRIACs : high application robustness 150°C TRIACs 1.0
      477.86 KB
      PDF
      High-temperature Triacs 1.1
      293.51 KB
      PDF
      ST Thyristor Finder: SCRs and Triacs on Android and iOS 1.0
      854.07 KB
      PDF

      H Series TRIACs : high application robustness 150°C TRIACs

      High-temperature Triacs

      ST Thyristor Finder: SCRs and Triacs on Android and iOS

    • 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**
T1235H-6G
Active
D2PAK Industrial Ecopack2
T1235H-6G-TR
Active
D2PAK Industrial Ecopack2
T1235H-6I
Active
TO-220AB Ins Industrial Ecopack2
T1235H-6T
Active
TO-220AB Industrial Ecopack2

T1235H-6G

Package:

D2PAK

Material Declaration**:

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T1235H-6G-TR

Package:

D2PAK

Material Declaration**:

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T1235H-6I

Package:

TO-220AB Ins

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T1235H-6T

Package:

TO-220AB

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB

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.