BTA24
Active
Design Win
25A Snubberless™ Triacs

Download datasheet Order Direct

Product overview

Description

Available either in through-hole or surface-mount packages, the BTA24, BTB24 and T25 are suitable for general purpose AC switching.

  • All features

    • High current 25 A RMS current Triac
    • Low thermal resistance
    • High commutation (4 quadrants) or very high commutation (3 quadrants) capability
    • BTA series UL1557 recognized components (file ref: 81734)
    • RoHS (2002/95/EC) compliant packages
    • UL-94, V0 flammability package resin compliance

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

Choose design tool:

Power Management Design Center

Power Supply Design Tool

• SMPS design, by topology, by type and by product
• PFC design with analog and digitial control
• Supports various PCB configurations
Choose type:
DC/DC
AC/DC
Solar Battery Charger

Power Management Design Center

LED Lighting Design Tool

• Handles AC-DC and DC-DC design in common topologies
• Displays interactive and annotated schematic
• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
Choose type:
DC/DC
AC/DC

Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree
• Check for consistency
• Design each individual node
Choose design tool:

Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties

Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.

Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms
• Get junction temperature and blocking voltage graphs
• Search and sort suitable devices

Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms
• Estimate power losses
• Search and sort suitable devices

Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations

Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
• Search and sort suitable devices

Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Choose design tool:

Signal Conditioning Design Tool

Active Filters

• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass

Signal Conditioning Design Tool

Comparators

• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window

Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values
• Provides current error graphs

Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
Choose design tool:

NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance

NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate

NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets

EDA Symbols, Footprints and 3D Models

STMicroelectronics - BTA24

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Please select one model supplier :

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Longevity Commitment Longevity Starting Date 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.

Sample & Buy

Swipe or click the button to explore more details Don't show this again
Budgetary Price (US$)*/Qty
Triggering gate current max (mA) (I, II, III, IV)
Repetitive peak off-state voltage (V) (max)
Quadrants
Triggering gate current max (mA) (I, II, III)
BTA24-800CWRG Available at 3 distributors

Distributor availability ofBTA24-800CWRG

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 980 1 Buy from Distributor
Farnell Element14 EUROPE 1517 1 Buy from Distributor
ANGLIA Live EUROPE 1000 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

MOUSER

Stock

980

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

1517

Min.Order

1

ANGLIA Live

Stock

1000

Min.Order

50

Distributor reported inventory date: 2026-10-25

Active
TO-220AB Ins Tube FRANCE EAR99 NEC

-

800

I, II, III

35, 35, 35

BTA24-600BWRG Available at 6 distributors

Distributor availability ofBTA24-600BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4214 1 Buy from Distributor
AVNET AMERICA 10564 0 Buy from Distributor
FUTURE WORLDWIDE 96270 0 Buy from Distributor
MOUSER WORLDWIDE 27694 1 Buy from Distributor
Farnell Element14 EUROPE 15750 1 Buy from Distributor
ANGLIA Live EUROPE 16145 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

4214

Min.Order

1

Region

WORLDWIDE Buy from Distributor

AVNET

Stock

10564

Min.Order

0

Region

AMERICA Buy from Distributor

FUTURE

Stock

96270

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

27694

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

15750

Min.Order

1

ANGLIA Live

Stock

16145

Min.Order

1

Distributor reported inventory date: 2026-10-25

Active
TO-220AB Ins Tube FRANCE EAR99 NEC

-

600

I, II, III

50, 50, 50

BTA24-600CWRG Available at 5 distributors

Distributor availability ofBTA24-600CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 19070 1 Buy from Distributor
AVNET AMERICA 22301 0 Buy from Distributor
FUTURE WORLDWIDE 3958 0 Buy from Distributor
MOUSER WORLDWIDE 3418 1 Buy from Distributor
ANGLIA Live EUROPE 950 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

19070

Min.Order

1

Region

WORLDWIDE Buy from Distributor

AVNET

Stock

22301

Min.Order

0

Region

AMERICA Buy from Distributor

FUTURE

Stock

3958

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

3418

Min.Order

1

Region

WORLDWIDE Buy from Distributor

ANGLIA Live

Stock

950

Min.Order

50

Distributor reported inventory date: 2026-10-25

Active
TO-220AB Ins Tube FRANCE EAR99 NEC

-

600

I, II, III

35, 35, 35

BTA24-800BWRG Available at 5 distributors

Distributor availability ofBTA24-800BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10229 1 Buy from Distributor
FUTURE WORLDWIDE 79250 0 Buy from Distributor
MOUSER WORLDWIDE 1208 1 Buy from Distributor
Farnell Element14 EUROPE 2178 1 Buy from Distributor
ANGLIA Live EUROPE 800 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

10229

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

79250

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

1208

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

2178

Min.Order

1

ANGLIA Live

Stock

800

Min.Order

50

Distributor reported inventory date: 2026-10-25

Active
TO-220AB Ins Tube FRANCE EAR99 NEC

-

800

I, II, III

50, 50, 50

BTA24-800CWRG Active

Part Number:

BTA24-800CWRG

Packing Type:

Tube

RoHS:

Country of Origin:

FRANCE

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBTA24-800CWRG

Distributor Name
Region Stock Min. Order Third party link
MOUSER WORLDWIDE 980 1 Buy from Distributor
Farnell Element14 EUROPE 1517 1 Buy from Distributor
ANGLIA Live EUROPE 1000 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

MOUSER

Stock

980

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

1517

Min.Order

1

ANGLIA Live

Stock

1000

Min.Order

50

Distributor reported inventory date: 2026-10-25

BTA24-600BWRG Active

Part Number:

BTA24-600BWRG

Packing Type:

Tube

RoHS:

Country of Origin:

FRANCE

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBTA24-600BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 4214 1 Buy from Distributor
AVNET AMERICA 10564 0 Buy from Distributor
FUTURE WORLDWIDE 96270 0 Buy from Distributor
MOUSER WORLDWIDE 27694 1 Buy from Distributor
Farnell Element14 EUROPE 15750 1 Buy from Distributor
ANGLIA Live EUROPE 16145 1 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

4214

Min.Order

1

Region

WORLDWIDE Buy from Distributor

AVNET

Stock

10564

Min.Order

0

Region

AMERICA Buy from Distributor

FUTURE

Stock

96270

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

27694

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

15750

Min.Order

1

ANGLIA Live

Stock

16145

Min.Order

1

Distributor reported inventory date: 2026-10-25

BTA24-600CWRG Active

Part Number:

BTA24-600CWRG

Packing Type:

Tube

RoHS:

Country of Origin:

FRANCE

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBTA24-600CWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 19070 1 Buy from Distributor
AVNET AMERICA 22301 0 Buy from Distributor
FUTURE WORLDWIDE 3958 0 Buy from Distributor
MOUSER WORLDWIDE 3418 1 Buy from Distributor
ANGLIA Live EUROPE 950 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

19070

Min.Order

1

Region

WORLDWIDE Buy from Distributor

AVNET

Stock

22301

Min.Order

0

Region

AMERICA Buy from Distributor

FUTURE

Stock

3958

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

3418

Min.Order

1

Region

WORLDWIDE Buy from Distributor

ANGLIA Live

Stock

950

Min.Order

50

Distributor reported inventory date: 2026-10-25

BTA24-800BWRG Active

Part Number:

BTA24-800BWRG

Packing Type:

Tube

RoHS:

Country of Origin:

FRANCE

ECCN (EU):

NEC

Operating Temperature (°C)

Min:

-

Max:

-

Distributor availability ofBTA24-800BWRG

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 10229 1 Buy from Distributor
FUTURE WORLDWIDE 79250 0 Buy from Distributor
MOUSER WORLDWIDE 1208 1 Buy from Distributor
Farnell Element14 EUROPE 2178 1 Buy from Distributor
ANGLIA Live EUROPE 800 50 Buy from Distributor

Distributor reported inventory date: 2026-10-25

Distributor Name

DIGIKEY

Stock

10229

Min.Order

1

Region

WORLDWIDE Buy from Distributor

FUTURE

Stock

79250

Min.Order

0

Region

WORLDWIDE Buy from Distributor

MOUSER

Stock

1208

Min.Order

1

Region

WORLDWIDE Buy from Distributor

Farnell Element14

Stock

2178

Min.Order

1

ANGLIA Live

Stock

800

Min.Order

50

Distributor reported inventory date: 2026-10-25

Swipe or click the button to explore more details Don't show this again

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors