4 QUADRANT LOGIC LEVEL TRIAC Triode For Alternating Current (TRIAC) 2,400+

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Part RoHS Manufacturer Trigger Device Type Package Style (Meter) Surface Mount Terminal Position Configuration Case Connection Maximum On-state Voltage Package Body Material Maximum DC Gate Trigger Current Non Repetitive Peak On-state Current Terminal Form Package Shape Maximum On-state Current No. of Elements Maximum Leakage Current Repetitive Peak Reverse Voltage Maximum Repetitive Peak Off-state Leakage Current No. of Terminals Sub-Category Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Maximum RMS On-state Current JESD-30 Code Moisture Sensitivity Level (MSL) Maximum DC Gate Trigger Voltage Qualification Repetitive Peak Off-state Voltage Minimum Critical Rate of Rise of Commutation Voltage Minimum Critical Rate of Rise of Off-state Voltage Maximum Holding Current Additional Features JEDEC-95 Code JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Reference Standard

MAC223A6

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

25 A

R-PSFM-T3

2 V

Not Qualified

400 V

40 V/us

50 mA

TO-220AB

e3

T2500DG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

25 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

6 A

R-PSFM-T3

2.5 V

Not Qualified

400 V

4 V/us

75 V/us

30 mA

TO-220AB

e3

260

MAC228A4

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

200 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC4DLMT4G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

SMALL OUTLINE

YES

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

GULL WING

RECTANGULAR

1

2 mA

2

TRIACs

110 Cel

-40 Cel

TIN

4 A

R-PSSO-G2

1

1.3 V

Not Qualified

600 V

10 V/us

15 mA

e3

30

260

MAC4DLM-1G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

IN-LINE

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

3 mA

THROUGH-HOLE

RECTANGULAR

1

.01 mA

3

TRIACs

110 Cel

-40 Cel

TIN

4 A

R-PSIP-T3

1

1.3 V

Not Qualified

600 V

15 mA

e3

30

260

MAC212A8DG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

2 V

Not Qualified

600 V

50 mA

TO-220AB

e3

MAC212A8D

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

12 A

R-PSFM-T3

2 V

Not Qualified

600 V

50 mA

TO-220AB

e0

MAC212A8

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

12 A

R-PSFM-T3

2 V

Not Qualified

600 V

100 V/us

50 mA

TO-220AB

e0

235

T2800D

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

25 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-45 Cel

Tin/Lead (Sn/Pb)

8 A

R-PSFM-T3

2.5 V

Not Qualified

400 V

4 V/us

75 V/us

30 mA

TO-220AB

e0

30

235

MAC229A10FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

20 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2.5 V

Not Qualified

800 V

15 mA

e0

MAC228A6T

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

400 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC229A8FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

20 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2.5 V

Not Qualified

600 V

5 V/us

25 V/us

15 mA

e0

MAC8SMG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

25 V/us

10 mA

SENSITIVE GATE

TO-220AB

e3

260

MAC15A8G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

15 A

R-PSFM-T3

2 V

Not Qualified

600 V

40 mA

TO-220AB

e3

260

BTB08-800CW3G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

35 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

1.1 V

Not Qualified

800 V

1500 V/us

45 mA

TO-220AB

e3

260

MAC228A6

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

400 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC4DHMT4

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

SMALL OUTLINE

YES

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

GULL WING

RECTANGULAR

1

.01 mA

2

TRIACs

110 Cel

-40 Cel

TIN LEAD

4 A

R-PSSO-G2

1

1.3 V

Not Qualified

600 V

15 mA

e0

235

BTB08-600CW3G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

35 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

1.1 V

Not Qualified

600 V

1500 V/us

45 mA

TO-220AB

e3

260

MAC15SMG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

15 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

25 V/us

10 mA

TO-220AB

e3

260

MAC218A6FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

400 V

50 mA

e0

UL RECOGNIZED

MAC228A8T

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

600 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC8SM

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

25 V/us

10 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC15A6G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

15 A

R-PSFM-T3

2 V

Not Qualified

400 V

40 mA

TO-220AB

e3

260

MAC228A10G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

2.5 V

Not Qualified

800 V

15 mA

SENSITIVE GATE

TO-220AB

e3

260

MAC3030-8

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

1.65 V

PLASTIC/EPOXY

75 mA

THROUGH-HOLE

RECTANGULAR

1

250 V

10 uA

3

125 Cel

-40 Cel

8 A

R-PSFM-T3

2.5 V

250 V

100 V/us

50 mA

TO-220AB

MAC15A10T

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

15 A

R-PSFM-T3

2 V

Not Qualified

800 V

40 mA

TO-220AB

e0

235

MAC15A6FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

15 A

R-PSFM-T3

2 V

Not Qualified

400 V

40 mA

e0

T2800DG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

25 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Tin (Sn)

8 A

R-PSFM-T3

2.5 V

Not Qualified

400 V

4 V/us

75 V/us

30 mA

TO-220AB

e3

40

260

MAC08BT1G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

SMALL OUTLINE

YES

DUAL

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

10 mA

GULL WING

RECTANGULAR

1

.01 mA

4

TRIACs

110 Cel

-40 Cel

TIN

.8 A

R-PDSO-G4

1

2 V

Not Qualified

200 V

1.5 V/us

10 V/us

5 mA

SENSITIVE GATE

TO-261AA

e3

30

260

MAC224A4

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

40 A

R-PSFM-T3

2 V

Not Qualified

200 V

5 V/us

50 V/us

75 mA

TO-220AB

e0

T2322BG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

.75 mA

3

TRIACs

110 Cel

-40 Cel

TIN

2.5 A

R-PSFM-T3

2.2 V

Not Qualified

200 V

1 V/us

100 V/us

30 mA

SENSITIVE GATE

TO-225AA

e3

260

MAC212A8FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Tin/Lead (Sn/Pb)

12 A

R-PSFM-T3

2 V

Not Qualified

600 V

50 mA

e0

UL RECOGNIZED

NYE08-10B6TG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

NO

10 mA

.2 mA

TRIACs

125 Cel

-40 Cel

TIN SILVER COPPER

.8 A

1 V

600 V

500 V/us

25 mA

e1

MAC4DHM-1G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

IN-LINE

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

.01 mA

3

TRIACs

110 Cel

-40 Cel

TIN

4 A

R-PSIP-T3

1

1.3 V

Not Qualified

600 V

15 mA

e3

30

260

MAC228A6TG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

2 V

Not Qualified

400 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e3

260

MAC223A6FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Tin/Lead (Sn/Pb)

25 A

R-PSFM-T3

2 V

Not Qualified

400 V

40 V/us

50 mA

e0

MAC212A10G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

12 A

R-PSFM-T3

2 V

Not Qualified

800 V

50 mA

TO-220AB

e3

260

MAC212A8G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

TIN

12 A

R-PSFM-T3

2 V

Not Qualified

600 V

100 V/us

50 mA

TO-220AB

e3

260

MAC228A8

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

8 A

R-PSFM-T3

2 V

Not Qualified

600 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC4SM

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

.01 mA

3

TRIACs

125 Cel

-40 Cel

TIN LEAD

4 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

3 V/us

50 V/us

15 mA

SENSITIVE GATE

TO-220AB

e0

235

MAC223A10FP

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Tin/Lead (Sn/Pb)

25 A

R-PSFM-T3

2 V

Not Qualified

800 V

40 V/us

50 mA

e0

MAC12SNG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

12 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

15 V/us

10 mA

TO-220AB

e3

260

MAC15SD

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

.01 mA

3

TRIACs

110 Cel

-40 Cel

TIN LEAD

15 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

8 V/us

10 mA

TO-220AB

e0

235

MAC12SMG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

12 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

15 V/us

10 mA

TO-220AB

e3

260

MAC15SDG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

15 A

R-PSFM-T3

1.5 V

Not Qualified

400 V

25 V/us

10 mA

TO-220AB

e3

260

MAC15SNG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

15 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

25 V/us

10 mA

TO-220AB

e3

260

MAC228A8TG

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

5 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

110 Cel

-40 Cel

TIN

8 A

R-PSFM-T3

2 V

Not Qualified

600 V

25 V/us

15 mA

SENSITIVE GATE

TO-220AB

e3

260

2N6349G

Onsemi

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

MAIN TERMINAL 2

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

125 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

Not Qualified

800 V

TO-220AB

e3

Triode For Alternating Current (TRIAC)

A Triode for Alternating Current (TRIAC) is a semiconductor device that is used to control the flow of electrical current in AC circuits. It is a bidirectional device that can conduct current in both directions, making it useful for AC power control applications.

TRIACs consist of a bidirectional switching element that allows for the control of AC current in both directions. They are typically used in applications where AC voltage needs to be controlled, such as in lighting control, motor speed control, and power supplies.

TRIACs work by applying a small current or voltage to the gate terminal, which allows current to flow through the device. Once the current reaches a certain level, the TRIAC turns on and conducts current in both directions until the current drops below a certain threshold, at which point the TRIAC turns off.

TRIACs are commonly used in conjunction with other components such as capacitors, inductors, and diodes to form complete electronic circuits. They are often used in power control circuits that require precise control of AC voltage or current.