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  • Available either in through-hole or surface-mount packages, the BTA24, BTB24, BTA25, BTA26, BTB26 and T25 triac series is suitable for general purpose mains power AC switching.

    Key Features

    • High current triac
    • High commutation (4 quadrant) or very high commutation (3 quadrant) capability
    • Low thermal resistance with clip bonding
    • Packages are RoHS (2002/95/EC) compliant
    • BTA series UL1557 certified (File ref: 81734)

Recommended for you

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS2112
      25 A standard and Snubberless™ triacs
      10.2
      129.85 KB
      PDF
      DS2112

      25 A standard and 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
      AN4363
      How to select the Triac, ACS, or ACST that fits your application
      2.1
      361.44 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

      AN4363

      How to select the Triac, ACS, or ACST that fits your 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
      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
      Standard and Snubberless™ Triacs PSpice model (.lib) and symbols (.olb) 5.1
      30.62 KB
      ZIP

      Standard and Snubberless™ 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

      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

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
T2535-600G
Active
D2PAK Industrial Ecopack2
T2535-600G-TR
Active
D2PAK Industrial Ecopack2
T2535-800G
Active
D2PAK Industrial Ecopack2
T2535-800G-TR
Active
D2PAK Industrial Ecopack2

T2535-600G

Package:

D2PAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T2535-600G-TR

Package:

D2PAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T2535-800G

Package:

D2PAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

D2PAK

Grade

Industrial

RoHS Compliance Grade

Ecopack2

T2535-800G-TR

Package:

D2PAK

Material Declaration**:

PDF XML

Marketing Status

Active

Package

D2PAK

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
Quadrants
Triggering gate current max (mA) (I, II, III)
Triggering gate current max (mA) (I, II, III, IV)
Repetitive peak off-state voltage (V) (max)
Package
Packing Type
Budgetary Price (US$)*/Qty
More info
T2535-600G-TR Available at 8 distributors

Distributor availability ofT2535-600G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5674 1 Order Now
RS COMPONENTS EUROPE 5820 1 Order Now
FUTURE WORLDWIDE 19000 1000 Order Now
ARROW EUROPE 14000 0 Order Now
Newark Element14 AMERICA 318 0 Order Now
ARROW AMERICA 46000 1000 Order Now
MOUSER WORLDWIDE 1830 1 Order Now
Farnell Element14 EUROPE 34 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

5674

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5820

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

19000

Min.Order

1000

Region

WORLDWIDE Order Now

ARROW

Stock

14000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

318

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

46000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

1830

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

34

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Buy now
Active
I, II, III 35, 35, 35 - 600 D2PAK Tape And Reel
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

T2535-600G Available at 7 distributors

Distributor availability ofT2535-600G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2393 1 Order Now
RS COMPONENTS EUROPE 1740 1 Order Now
ARROW EUROPE 4081 0 Order Now
Newark Element14 AMERICA 53 0 Order Now
ARROW AMERICA 221 1000 Order Now
MOUSER WORLDWIDE 493 1 Order Now
Farnell Element14 EUROPE 1653 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

2393

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1740

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

4081

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

53

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

221

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

493

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1653

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Buy now
Active
I, II, III 35, 35, 35 - 600 D2PAK Tube
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

T2535-800G-TR Available at 6 distributors

Distributor availability ofT2535-800G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2925 1 Order Now
RS COMPONENTS EUROPE 3105 5 Order Now
ARROW EUROPE 49000 0 Order Now
Newark Element14 AMERICA 148 0 Order Now
Farnell Element14 EUROPE 1099 1 Order Now
RUTRONIK EUROPE 68000 1000 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

2925

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3105

Min.Order

5

Region

EUROPE Order Now

ARROW

Stock

49000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

148

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

1099

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

68000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Active
I, II, III 35, 35, 35 - 800 D2PAK Tape And Reel
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

T2535-800G Available at 3 distributors

Distributor availability ofT2535-800G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 778 1 Order Now
ARROW EUROPE 508 0 Order Now
MOUSER WORLDWIDE 771 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

778

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

508

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

771

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Buy now
Active
I, II, III 35, 35, 35 - 800 D2PAK Tube
MORE INFO

ECCN (US):

EAR99

Country of Origin:

CHINA

T2535-600G-TR

Marketing Status

Active

Quadrants

I, II, III

Budgetary Price (US$)*/Qty

Distributor availability ofT2535-600G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5674 1 Order Now
RS COMPONENTS EUROPE 5820 1 Order Now
FUTURE WORLDWIDE 19000 1000 Order Now
ARROW EUROPE 14000 0 Order Now
Newark Element14 AMERICA 318 0 Order Now
ARROW AMERICA 46000 1000 Order Now
MOUSER WORLDWIDE 1830 1 Order Now
Farnell Element14 EUROPE 34 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

5674

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5820

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

19000

Min.Order

1000

Region

WORLDWIDE Order Now

ARROW

Stock

14000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

318

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

46000

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

1830

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

34

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Triggering gate current max (mA) (I, II, III)

35, 35, 35

Triggering gate current max (mA) (I, II, III, IV)

-

Repetitive peak off-state voltage (V) (max)

600

Package

D2PAK

Budgetary Price (US$)* / Qty

Packing Type

Tape And Reel

ECCN (US)

EAR99

Country of Origin

CHINA

T2535-600G

Marketing Status

Active

Quadrants

I, II, III

Budgetary Price (US$)*/Qty

Distributor availability ofT2535-600G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2393 1 Order Now
RS COMPONENTS EUROPE 1740 1 Order Now
ARROW EUROPE 4081 0 Order Now
Newark Element14 AMERICA 53 0 Order Now
ARROW AMERICA 221 1000 Order Now
MOUSER WORLDWIDE 493 1 Order Now
Farnell Element14 EUROPE 1653 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

2393

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1740

Min.Order

1

Region

EUROPE Order Now

ARROW

Stock

4081

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

53

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

221

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

493

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1653

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Triggering gate current max (mA) (I, II, III)

35, 35, 35

Triggering gate current max (mA) (I, II, III, IV)

-

Repetitive peak off-state voltage (V) (max)

600

Package

D2PAK

Budgetary Price (US$)* / Qty

Packing Type

Tube

ECCN (US)

EAR99

Country of Origin

CHINA

T2535-800G-TR

Marketing Status

Active

Quadrants

I, II, III

Budgetary Price (US$)*/Qty

Distributor availability ofT2535-800G-TR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2925 1 Order Now
RS COMPONENTS EUROPE 3105 5 Order Now
ARROW EUROPE 49000 0 Order Now
Newark Element14 AMERICA 148 0 Order Now
Farnell Element14 EUROPE 1099 1 Order Now
RUTRONIK EUROPE 68000 1000 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

2925

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3105

Min.Order

5

Region

EUROPE Order Now

ARROW

Stock

49000

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

148

Min.Order

0

Region

AMERICA Order Now

Farnell Element14

Stock

1099

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

68000

Min.Order

1000

Region

EUROPE Order Now

Distributor reported inventory date: 2020-07-08

Triggering gate current max (mA) (I, II, III)

35, 35, 35

Triggering gate current max (mA) (I, II, III, IV)

-

Repetitive peak off-state voltage (V) (max)

800

Package

D2PAK

Budgetary Price (US$)* / Qty

Packing Type

Tape And Reel

ECCN (US)

EAR99

Country of Origin

CHINA

T2535-800G

Marketing Status

Active

Quadrants

I, II, III

Budgetary Price (US$)*/Qty

Distributor availability ofT2535-800G

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 778 1 Order Now
ARROW EUROPE 508 0 Order Now
MOUSER WORLDWIDE 771 1 Order Now

Distributor reported inventory date: 2020-07-08

Distributor Name

DIGIKEY

Stock

778

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

508

Min.Order

0

Region

EUROPE Order Now

MOUSER

Stock

771

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-07-08

Triggering gate current max (mA) (I, II, III)

35, 35, 35

Triggering gate current max (mA) (I, II, III, IV)

-

Repetitive peak off-state voltage (V) (max)

800

Package

D2PAK

Budgetary Price (US$)* / Qty

Packing Type

Tube

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