Littelfuse Triode For Alternating Current (TRIAC) 527

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Part	Manufacturer	Trigger Device Type	Package Style (Meter)	Surface Mount	Terminal Position	Configuration	Case Connection	Package Body Material	Maximum DC Gate Trigger Current	Terminal Form	Package Shape	No. of Elements	Maximum 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
Q4040K5TP	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	400 V	20 V/us	500 V/us	75 mA		TO-218AC	e3	40	260	UL RECOGNIZED
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
Q8040K5TP	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	800 V	20 V/us	400 V/us	75 mA		TO-218AC	e3	40	260	UL RECOGNIZED
L0103DEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103DERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103DE	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103DTRP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	5 mA	GULL WING	RECTANGULAR	1	.5 mA	4	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	R-PDSO-G4		1.3 V	Not Qualified	400 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY		e3	40	260
L0103MEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103MERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103NEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103NERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0103NE	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	.5 V/us	10 V/us	7 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107DEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107DERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107DE	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107DTRP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	7 mA	GULL WING	RECTANGULAR	1	.5 mA	4	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	R-PDSO-G4		1.3 V	Not Qualified	400 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY		e3	40	260
L0107MEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107MERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107NEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107NERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107NE	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0107NTRP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	7 mA	GULL WING	RECTANGULAR	1	.5 mA	4	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	R-PDSO-G4		1.3 V	Not Qualified	800 V	1 V/us	20 V/us	10 mA	HIGH RELIABILITY		e3	40	260
L0109DEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109DERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109DE	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109DTRP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	10 mA	GULL WING	RECTANGULAR	1	.5 mA	4	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	R-PDSO-G4		1.3 V	Not Qualified	400 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY		e3	40	260
L0109MEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109ME	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109NEAP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109NERP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	10 mA	THROUGH-HOLE	ROUND	1	.5 mA	3	TRIACs	125 Cel	-40 Cel	Matte Tin (Sn)	1 A	O-PBCY-T3		1.3 V	Not Qualified	800 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY	TO-92	e3	40	260
L0109NTRP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	10 mA	GULL WING	RECTANGULAR	1	.5 mA	4	TRIACs	125 Cel	-40 Cel	MATTE TIN	1 A	R-PDSO-G4		1.3 V	Not Qualified	800 V	2 V/us	50 V/us	10 mA	HIGH RELIABILITY		e3	40	260
LX803DEAP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803DERP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803DE	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803MEAP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803MERP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803ME	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	5 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX803MTRP	Littelfuse	TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	5 mA	GULL WING	RECTANGULAR	1	.1 mA	4	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	R-PDSO-G4		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY		e3	40	260
LX807DEAP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX807DERP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	400 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX807MEAP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX807MERP	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX807ME	Littelfuse	TRIAC	CYLINDRICAL	NO	BOTTOM	SINGLE		PLASTIC/EPOXY	7 mA	THROUGH-HOLE	ROUND	1	.1 mA	3	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	O-PBCY-T3		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY	TO-92	e3	40	260
LX807MTRP	Littelfuse	TRIAC	SMALL OUTLINE	YES	DUAL	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY	7 mA	GULL WING	RECTANGULAR	1	.1 mA	4	TRIACs	110 Cel	-40 Cel	MATTE TIN	.8 A	R-PDSO-G4		1.3 V	Not Qualified	600 V	1.5 V/us	10 V/us	5 mA	HIGH RELIABILITY		e3	40	260
L2004D3RP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	SINGLE	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY		GULL WING	RECTANGULAR	1		2		110 Cel	-40 Cel	MATTE TIN	4 A	R-PSSO-G2	2		Not Qualified	200 V				HIGH RELIABILITY	TO-252AA	e3
L2004D3TP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	SINGLE	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY		GULL WING	RECTANGULAR	1		2		110 Cel	-40 Cel	MATTE TIN	4 A	R-PSSO-G2	2		Not Qualified	200 V				HIGH RELIABILITY	TO-252AA	e3
L2004D5RP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	SINGLE	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY		GULL WING	RECTANGULAR	1		2		110 Cel	-40 Cel	MATTE TIN	4 A	R-PSSO-G2	2		Not Qualified	200 V				HIGH RELIABILITY	TO-252AA	e3
L2004D5TP	Littelfuse	4 QUADRANT LOGIC LEVEL TRIAC	SMALL OUTLINE	YES	SINGLE	SINGLE	MAIN TERMINAL 2	PLASTIC/EPOXY		GULL WING	RECTANGULAR	1		2		110 Cel	-40 Cel	MATTE TIN	4 A	R-PSSO-G2	2		Not Qualified	200 V				HIGH RELIABILITY	TO-252AA	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.