ISOLATED 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

BTA08-800CRG

STMicroelectronics

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

25 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

1.3 V

Not Qualified

800 V

5 V/us

200 V/us

25 mA

TO-220AB

e3

UL RECOGNIZED

BTA10-600BWRG

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

10 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

1000 V/us

50 mA

TO-220AB

e3

UL RECOGNIZED

BTA16-600SWRG

STMicroelectronics

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

40 V/us

15 mA

TO-220AB

e3

UL RECOGNIZED

T1220T-6I

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

20 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

500 V/us

15 mA

TO-220AB

e3

T3035H-6I

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

35 mA

THROUGH-HOLE

RECTANGULAR

1

8.5 mA

3

TRIACs

150 Cel

-40 Cel

MATTE TIN

30 A

R-PSFM-T3

1 V

Not Qualified

600 V

1000 V/us

60 mA

TO-220AB

e3

TG35C60

Hbcontrols

TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

SOLDER LUG

RECTANGULAR

1

3

125 Cel

-25 Cel

35 A

R-PUFM-D3

600 V

UL RECOGNIZED

BTA06-600BRG

STMicroelectronics

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

10 V/us

400 V/us

50 mA

TO-220AB

e3

UL RECOGNIZED

BTA12-800BWRG

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

800 V

1000 V/us

50 mA

TO-220AB

e3

BTA25-700B

STMicroelectronics

TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

260 A

SOLDER LUG

ROUND

1

10 uA

3

TRIACs

125 Cel

-40 Cel

30 A

O-PUFM-D3

1.5 V

Not Qualified

700 V

10 V/us

250 V/us

80 mA

NOT SPECIFIED

NOT SPECIFIED

Q6016LH6TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSFM-T3

2

1.3 V

Not Qualified

600 V

30 V/us

850 V/us

70 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

Q6040K5TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

20 V/us

475 V/us

75 mA

TO-218AC

e3

40

260

UL RECOGNIZED

Q6040K7

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

100 mA

THROUGH-HOLE

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

40 A

R-PSFM-T3

2

2.5 V

Not Qualified

600 V

5 V/us

250 V/us

100 mA

TO-218

e3

40

260

UL RECOGNIZED

BTA12-800BRG

STMicroelectronics

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

12 A

R-PSFM-T3

1.3 V

Not Qualified

800 V

10 V/us

400 V/us

50 mA

TO-220AB

e3

Q6016LH6

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

16 A

R-PSFM-T3

2

2.5 V

Not Qualified

600 V

20 V/us

70 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

Q4004L3TP

Littelfuse

TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

1.6 V

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

400 V

2000 uA

3

125 Cel

-40 Cel

MATTE TIN

4 A

R-PSFM-T3

2

1.3 V

Not Qualified

400 V

40 V/us

20 mA

TO-220AB

e3

10

260

UL RECOGNIZED

Q6030LH5TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

30 A

R-PSFM-T3

2

2 V

Not Qualified

600 V

20 V/us

400 V/us

75 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

QK040K7TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

100 mA

THROUGH-HOLE

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSFM-T3

2

2 V

Not Qualified

1000 V

50 V/us

500 V/us

100 mA

TO-218AC

e3

40

260

UL RECOGNIZED

Q4040K7TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

100 mA

THROUGH-HOLE

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSFM-T3

2

2 V

Not Qualified

400 V

50 V/us

700 V/us

100 mA

TO-218AC

e3

40

260

UL RECOGNIZED

BTA06-600CW

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

35 mA

THROUGH-HOLE

RECTANGULAR

1

10 uA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

6 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

3.5 V/us

250 V/us

35 mA

TO-220AB

e3

BTA08-600BRG

STMicroelectronics

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

8 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

10 V/us

400 V/us

50 mA

TO-220AB

e3

UL RECOGNIZED

BTA08-600BWRG

STMicroelectronics

SNUBBERLESS TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

1 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN OVER NICKEL

8 A

R-PSFM-T3

1.3 V

Not Qualified

600 V

1000 V/us

50 mA

TO-220AB

e3

UL RECOGNIZED

Q4015L5TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

15 A

R-PSFM-T3

2

2 V

Not Qualified

400 V

4 V/us

275 V/us

70 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

Q8016LH6TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSFM-T3

2

1.3 V

Not Qualified

800 V

30 V/us

475 V/us

70 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

Q4006LTTP

Littelfuse

TRIAC WITH INT TRIGGER

FLANGE MOUNT

NO

SINGLE

SINGLE WITH BUILT-IN TRIGGER ELEMENT IN SERIES WITH GATE

ISOLATED

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

2 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

6 A

R-PSFM-T3

2

Not Qualified

400 V

4 V/us

100 V/us

50 mA

HIGH RELIABILITY

TO-220AB

e3

40

260

Q6015L6

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

.05 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

15 A

R-PSFM-T3

2

2.5 V

Not Qualified

600 V

30 V/us

520 V/us

70 mA

TO-220AB

e3

10

260

UL RECOGNIZED

BTA312X-600B,127

NXP Semiconductors

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

.5 mA

3

TRIACs

125 Cel

-40 Cel

TIN

12 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

1000 V/us

60 mA

SENSITIVE GATE

TO-220AB

e3

FKPF12N60

Fairchild Semiconductor

TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

30 mA

THROUGH-HOLE

RECTANGULAR

1

.02 mA

3

TRIACs

125 Cel

-40 Cel

Tin/Lead (Sn/Pb)

12 A

R-PSFM-T3

1.5 V

Not Qualified

600 V

10 V/us

300 V/us

50 mA

TO-220AB

e0

Q4040J7TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

100 mA

SOLDER LUG

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

40 A

R-PSFM-D3

1

2 V

Not Qualified

400 V

50 V/us

700 V/us

100 mA

e3

30

260

UL RECOGNIZED

Q6035P5

Littelfuse

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

SOLDER LUG

SQUARE

1

5 mA

3

TRIACs

125 Cel

-25 Cel

MATTE TIN

35 A

S-PUFM-D3

2.75 V

Not Qualified

600 V

475 V/us

50 mA

e3

40

260

UL RECOGNIZED

Q6040J7

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

100 mA

SOLDER LUG

RECTANGULAR

1

5 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

40 A

R-PSFM-D3

2

2.5 V

Not Qualified

600 V

5 V/us

250 V/us

100 mA

HIGH RELIABILITY

e3

40

260

Q8016LH6

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

3 mA

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

16 A

R-PSFM-T3

2

2.5 V

Not Qualified

800 V

20 V/us

70 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

SM2LZ47

Toshiba

TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

10 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

2 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

5 V/us

10 mA

NOT SPECIFIED

NOT SPECIFIED

MAC635-6

Motorola

TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

330 A

SOLDER LUG

RECTANGULAR

1

.01 mA

10 uA

3

TRIACs

125 Cel

-40 Cel

35 A

R-PUFM-D3

3 V

Not Qualified

400 V

6 V/us

100 V/us

30 mA

MAC635-8

Motorola

TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

330 A

SOLDER LUG

RECTANGULAR

1

.01 mA

10 uA

3

TRIACs

125 Cel

-40 Cel

35 A

R-PUFM-D3

3 V

Not Qualified

600 V

6 V/us

100 V/us

30 mA

Q4010L4

Littelfuse

4 QUADRANT LOGIC LEVEL TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-65 Cel

Matte Tin (Sn)

10 A

R-PSFM-T3

2

1.3 V

Not Qualified

400 V

150 V/us

35 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

Q4016LH3TP

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

20 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

MATTE TIN

16 A

R-PSFM-T3

2

1.3 V

Not Qualified

400 V

20 V/us

350 V/us

35 mA

HIGH RELIABILITY

TO-220AB

e3

10

260

QK025L6

Littelfuse

ALTERNISTOR TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

80 mA

THROUGH-HOLE

RECTANGULAR

1

3

TRIACs

125 Cel

-40 Cel

Matte Tin (Sn)

25 A

R-PSFM-T3

2

2.5 V

Not Qualified

1000 V

20 V/us

100 mA

TO-220AB

e3

10

260

UL RECOGNIZED

SM10LZ47

Toshiba

TRIAC

FLANGE MOUNT

NO

SINGLE

SINGLE

ISOLATED

PLASTIC/EPOXY

30 mA

110 A

THROUGH-HOLE

RECTANGULAR

10 A

1

.02 mA

20 uA

3

TRIACs

125 Cel

-40 Cel

10 A

R-PSFM-T3

1.5 V

Not Qualified

800 V

10 V/us

50 mA

NOT SPECIFIED

NOT SPECIFIED

SM25JZ41

Toshiba

TRIAC

FLANGE MOUNT

NO

UPPER

SINGLE

ISOLATED

PLASTIC/EPOXY

50 mA

SOLDER LUG

RECTANGULAR

1

3000 uA

3

125 Cel

-40 Cel

25 A

R-PUFM-D3

3 V

Not Qualified

600 V

10 V/us

70 mA

MAC15A10FP

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

800 V

40 mA

e0

MAC218A8FP

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

600 V

50 mA

e0

MAC210A10FP

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

10 A

R-PSFM-T3

2 V

Not Qualified

800 V

100 V/us

50 mA

e0

UL RECOGNIZED

MAC223A8FP

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

600 V

40 V/us

50 mA

e0

MAC218A10FP

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

800 V

50 mA

e0

UL RECOGNIZED

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

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

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

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

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.