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  • Available in high power packages, the BTA/BTB40-41 series is suitable for general purpose AC switching.

    The BTA series provides an insulated tab (rated at 2500 V rms).

    Key Features

    • High current TRIAC
    • High commutation 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
BTA40-600B
Active
I, II, III, IV - 50, 50, 50, 100 600 RD-91 5.866 50
MORE INFO

Packing Type:

Poly Bag

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofBTA40-600B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6565 1 Order Now
RS COMPONENTS EUROPE 627 25 Order Now
AVNET AMERICA 200 0 Order Now
FUTURE WORLDWIDE 33296 1 Order Now
ARROW EUROPE 690 0 Order Now
Newark Element14 AMERICA 146 0 Order Now
ARROW AMERICA 7 25 Order Now
MOUSER WORLDWIDE 1275 1 Order Now
Farnell Element14 EUROPE 1179 1 Order Now
ANGLIA Live EUROPE 1587 1 Order Now
RUTRONIK EUROPE 1450 25 Order Now

Distributor reported inventory date: 2019-10-22

Distributor Name

DIGIKEY

Stock

6565

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

627

Min.Order

25

Region

EUROPE Order Now

AVNET

Stock

200

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

33296

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

690

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

146

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

7

Min.Order

25

Region

AMERICA Order Now

MOUSER

Stock

1275

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1179

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

1587

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

1450

Min.Order

25

Region

EUROPE Order Now

Distributor reported inventory date: 2019-10-22

Buy now
BTA40-800B
Active
I, II, III, IV - 50, 50, 50, 100 800 RD-91 5.866 50
MORE INFO

Packing Type:

Poly Bag

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofBTA40-800B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 52 1 Order Now
RS COMPONENTS EUROPE 1925 25 Order Now
FUTURE WORLDWIDE 2175 1 Order Now
ARROW EUROPE 8105 0 Order Now
Newark Element14 AMERICA 102 0 Order Now
MOUSER WORLDWIDE 325 1 Order Now
Farnell Element14 EUROPE 1169 1 Order Now
RUTRONIK EUROPE 2000 25 Order Now

Distributor reported inventory date: 2019-10-22

Distributor Name

DIGIKEY

Stock

52

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1925

Min.Order

25

Region

EUROPE Order Now

FUTURE

Stock

2175

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

8105

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

102

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

325

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1169

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

2000

Min.Order

25

Region

EUROPE Order Now

Distributor reported inventory date: 2019-10-22

Buy now

BTA40-600B

Marketing Status

Active

Quadrants

I, II, III, IV

Unit Price (US$)

5.866*

Distributor availability ofBTA40-600B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6565 1 Order Now
RS COMPONENTS EUROPE 627 25 Order Now
AVNET AMERICA 200 0 Order Now
FUTURE WORLDWIDE 33296 1 Order Now
ARROW EUROPE 690 0 Order Now
Newark Element14 AMERICA 146 0 Order Now
ARROW AMERICA 7 25 Order Now
MOUSER WORLDWIDE 1275 1 Order Now
Farnell Element14 EUROPE 1179 1 Order Now
ANGLIA Live EUROPE 1587 1 Order Now
RUTRONIK EUROPE 1450 25 Order Now

Distributor reported inventory date: 2019-10-22

Distributor Name

DIGIKEY

Stock

6565

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

627

Min.Order

25

Region

EUROPE Order Now

AVNET

Stock

200

Min.Order

0

Region

AMERICA Order Now

FUTURE

Stock

33296

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

690

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

146

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

7

Min.Order

25

Region

AMERICA Order Now

MOUSER

Stock

1275

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1179

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

1587

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

1450

Min.Order

25

Region

EUROPE Order Now

Distributor reported inventory date: 2019-10-22

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

-

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

50, 50, 50, 100

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

600

Package

RD-91

Unit Price (US$)

5.866

Quantity

50

Packing Type

Poly Bag

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

BTA40-800B

Marketing Status

Active

Quadrants

I, II, III, IV

Unit Price (US$)

5.866*

Distributor availability ofBTA40-800B

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 52 1 Order Now
RS COMPONENTS EUROPE 1925 25 Order Now
FUTURE WORLDWIDE 2175 1 Order Now
ARROW EUROPE 8105 0 Order Now
Newark Element14 AMERICA 102 0 Order Now
MOUSER WORLDWIDE 325 1 Order Now
Farnell Element14 EUROPE 1169 1 Order Now
RUTRONIK EUROPE 2000 25 Order Now

Distributor reported inventory date: 2019-10-22

Distributor Name

DIGIKEY

Stock

52

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1925

Min.Order

25

Region

EUROPE Order Now

FUTURE

Stock

2175

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

8105

Min.Order

0

Region

EUROPE Order Now

Newark Element14

Stock

102

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

325

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1169

Min.Order

1

Region

EUROPE Order Now

RUTRONIK

Stock

2000

Min.Order

25

Region

EUROPE Order Now

Distributor reported inventory date: 2019-10-22

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

-

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

50, 50, 50, 100

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

800

Package

RD-91

Unit Price (US$)

5.866

Quantity

50

Packing Type

Poly Bag

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

(*) 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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Technical Documentation

    • Description Version Size Action
      DS2111
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      8.1
      101.16 KB
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      DS2111

      40 A standard TRIACs

    • Description Version Size Action
      AN2986
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      How to implement a SCR or a Triac in a hybride relay application
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      AN4363
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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
      3.5
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      How to implement a SCR or a Triac in a hybride relay application

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      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

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      Thyristors and TRIACs: holding current - an important parameter

    • Description Version Size Action
      TN1173
      Packing information for IPAD, protection, rectifiers, thyristors and AC Switches
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HW Model, CAD Libraries & SVD

    • Description Version Size Action
      Standard and Snubberless™ Triacs PSpice model (.lib) and symbols (.olb) 5.1
      30.62 KB
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      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

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
BTA40-600B
Active
RD-91 Industrial Ecopack1
BTA40-800B
Active
RD-91 Industrial Ecopack1

BTA40-600B

Package:

RD-91

Material Declaration**:

PDF XML

Marketing Status

Active

Package

RD-91

Grade

Industrial

RoHS Compliance Grade

Ecopack1

BTA40-800B

Package:

RD-91

Material Declaration**:

PDF XML

Marketing Status

Active

Package

RD-91

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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.