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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)

Sample & Buy

Part Number
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
Budgetary Price (US$)*
Quantity
More info
Order from Distributors
Order from ST
BTA24-800CWRG
Active
I, II, III 35, 35, 35 - 800 TO-220AB Ins 1.82 100
MORE INFO

Packing Type:

Tube

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofBTA24-800CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5142 1 Order Now
AVNET AMERICA 12820 0 Order Now
ARROW EUROPE 12067 0 Order Now
ARROW AMERICA 57 1000 Order Now
MOUSER WORLDWIDE 21857 1 Order Now
Farnell Element14 EUROPE 1031 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

5142

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

12820

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12067

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

57

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

21857

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1031

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

Buy now
BTA24-600BWRG
Active
I, II, III 50, 50, 50 - 600 TO-220AB Ins 1.0284 100
MORE INFO

Packing Type:

Tube

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofBTA24-600BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3334 1 Order Now
RS COMPONENTS EUROPE 1036 2 Order Now
AVNET AMERICA 1350 0 Order Now
FUTURE WORLDWIDE 58786 1 Order Now
ARROW EUROPE 13049 0 Order Now
Newark Element14 AMERICA 159 0 Order Now
ARROW AMERICA 16486 1000 Order Now
MOUSER WORLDWIDE 6884 1 Order Now
Farnell Element14 EUROPE 2540 1 Order Now
ANGLIA Live EUROPE 17218 1 Order Now
RUTRONIK EUROPE 2400 50 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

3334

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1036

Min.Order

2

Region

EUROPE Order Now

AVNET

Stock

1350

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

58786

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

13049

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

159

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

16486

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

6884

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2540

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

17218

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

2400

Min.Order

50

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

Buy now
BTA24-600CWRG
Active
I, II, III 35, 35, 35 - 600 TO-220AB Ins 1.0284 100
MORE INFO

Packing Type:

Tube

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofBTA24-600CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3811 1 Order Now
RS COMPONENTS EUROPE 979 1 Order Now
FUTURE WORLDWIDE 16516 1 Order Now
ARROW EUROPE 3340 0 Order Now
Newark Element14 AMERICA 1 0 Order Now
ARROW AMERICA 5112 1000 Order Now
MOUSER WORLDWIDE 4662 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

3811

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

979

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

16516

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3340

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

5112

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

4662

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-08-08

Get sample
BTA24-800BWRG
Active
I, II, III 50, 50, 50 - 800 TO-220AB Ins 1.82 100
MORE INFO

Packing Type:

Tube

ECCN (US):

EAR99

Country of Origin:

CHINA

Check Availability

Distributor availability ofBTA24-800BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1971 1 Order Now
RS COMPONENTS EUROPE 5495 5 Order Now
AVNET AMERICA 5800 0 Order Now
FUTURE WORLDWIDE 20950 1 Order Now
ARROW EUROPE 29922 0 Order Now
Newark Element14 AMERICA 151 0 Order Now
ARROW AMERICA 15079 1 Order Now
MOUSER WORLDWIDE 946 1 Order Now
Farnell Element14 EUROPE 3744 1 Order Now
RUTRONIK EUROPE 850 50 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

1971

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5495

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

5800

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

20950

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

29922

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

151

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

15079

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

946

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3744

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

850

Min.Order

50

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

Buy now

BTA24-800CWRG

Marketing Status

Active

Quadrants

I, II, III

Unit Price (US$)

1.82*

Distributor availability ofBTA24-800CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5142 1 Order Now
AVNET AMERICA 12820 0 Order Now
ARROW EUROPE 12067 0 Order Now
ARROW AMERICA 57 1000 Order Now
MOUSER WORLDWIDE 21857 1 Order Now
Farnell Element14 EUROPE 1031 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

5142

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

12820

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

12067

Min.Order

0

Region

EUROPE Order Now

ARROW

Stock

57

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

21857

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1031

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

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

TO-220AB Ins

Unit Price (US$)

1.82

Quantity

100

Packing Type

Tube

ECCN (US)

EAR99

Country of Origin

CHINA

BTA24-600BWRG

Marketing Status

Active

Quadrants

I, II, III

Unit Price (US$)

1.0284*

Distributor availability ofBTA24-600BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3334 1 Order Now
RS COMPONENTS EUROPE 1036 2 Order Now
AVNET AMERICA 1350 0 Order Now
FUTURE WORLDWIDE 58786 1 Order Now
ARROW EUROPE 13049 0 Order Now
Newark Element14 AMERICA 159 0 Order Now
ARROW AMERICA 16486 1000 Order Now
MOUSER WORLDWIDE 6884 1 Order Now
Farnell Element14 EUROPE 2540 1 Order Now
ANGLIA Live EUROPE 17218 1 Order Now
RUTRONIK EUROPE 2400 50 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

3334

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1036

Min.Order

2

Region

EUROPE Order Now

AVNET

Stock

1350

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

58786

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

13049

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

159

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

16486

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

6884

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2540

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

17218

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

2400

Min.Order

50

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

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

50, 50, 50

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

-

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

600

Package

TO-220AB Ins

Unit Price (US$)

1.0284

Quantity

100

Packing Type

Tube

ECCN (US)

EAR99

Country of Origin

CHINA

BTA24-600CWRG

Marketing Status

Active

Quadrants

I, II, III

Unit Price (US$)

1.0284*

Distributor availability ofBTA24-600CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 3811 1 Order Now
RS COMPONENTS EUROPE 979 1 Order Now
FUTURE WORLDWIDE 16516 1 Order Now
ARROW EUROPE 3340 0 Order Now
Newark Element14 AMERICA 1 0 Order Now
ARROW AMERICA 5112 1000 Order Now
MOUSER WORLDWIDE 4662 1 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

3811

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

979

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

16516

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

3340

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

1

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

5112

Min.Order

1000

Region

AMERICA Order Now

MOUSER

Stock

4662

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-08-08

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

TO-220AB Ins

Unit Price (US$)

1.0284

Quantity

100

Packing Type

Tube

ECCN (US)

EAR99

Country of Origin

CHINA

BTA24-800BWRG

Marketing Status

Active

Quadrants

I, II, III

Unit Price (US$)

1.82*

Distributor availability ofBTA24-800BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1971 1 Order Now
RS COMPONENTS EUROPE 5495 5 Order Now
AVNET AMERICA 5800 0 Order Now
FUTURE WORLDWIDE 20950 1 Order Now
ARROW EUROPE 29922 0 Order Now
Newark Element14 AMERICA 151 0 Order Now
ARROW AMERICA 15079 1 Order Now
MOUSER WORLDWIDE 946 1 Order Now
Farnell Element14 EUROPE 3744 1 Order Now
RUTRONIK EUROPE 850 50 Order Now

Distributor reported inventory date: 2019-08-08

Distributor Name

DIGIKEY

Stock

1971

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5495

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

5800

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

20950

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

29922

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

151

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

15079

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

946

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

3744

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

850

Min.Order

50

Region

EUROPE Order Now

Distributor reported inventory date: 2019-08-08

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

50, 50, 50

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

-

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

800

Package

TO-220AB Ins

Unit Price (US$)

1.82

Quantity

100

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

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      How to select the Triac, ACS, or ACST that fits your application

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

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

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      Thyristors and TRIACs: holding current - an important parameter

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Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
BTA24-600BWRG
Active
TO-220AB Ins Industrial Ecopack2
BTA24-600CWRG
Active
TO-220AB Ins Industrial Ecopack2
BTA24-800BWRG
Active
TO-220AB Ins Industrial Ecopack2
BTA24-800CWRG
Active
TO-220AB Ins Industrial Ecopack2

BTA24-600BWRG

Package:

TO-220AB Ins

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

RoHS Compliance Grade

Ecopack2

BTA24-600CWRG

Package:

TO-220AB Ins

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

RoHS Compliance Grade

Ecopack2

BTA24-800BWRG

Package:

TO-220AB Ins

Material Declaration**:

PDF XML

Marketing Status

Active

Package

TO-220AB Ins

Grade

Industrial

RoHS Compliance Grade

Ecopack2

BTA24-800CWRG

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.