Q Series Switching Thyristors

Littelfuse Q Series Switching Thyristors are bidirectional, solid-state protection devices designed to handle loads from 0.8A to 40ARMS with 10mA, 25mA, and 50mA IGT in operating Quadrants I, II, III, and IV. Littelfuse developed the Q Series Switching Thyristors for a wide range of AC applications to control AC power either through full-cycle switching or phase control of current to the load element. Q Series devices are rated to block voltage in the OFF condition from 200V minimum with selected products capable of 1000V operation. Internally-constructed, isolated packages are available for ease of heat sinking with highest isolation voltage.

Results: 335
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series On-State RMS Current - It RMS Non Repetitive On-State Current Rated Repetitive Off-State Voltage VDRM Off-State Leakage Current @ VDRM IDRM On-State Voltage Holding Current Ih Max Gate Trigger Voltage - Vgt Gate Trigger Current - Igt Minimum Operating Temperature Maximum Operating Temperature Mounting Style Package/Case Packaging
Littelfuse Triacs 400V 8A 683In Stock
Min.: 1
Mult.: 1

Qxx08xHx 8 A 80 A, 85 A 400 V 10 uA 1.6 V 15 mA 1.3 V 10 mA - 40 C + 125 C SMD/SMT TO-252-3 Tube
Littelfuse Triacs 600V 6A 35-35-35mA 866In Stock
Min.: 1
Mult.: 1

Qxx06xxH 6 A 55 A, 65 A 600 V 10 uA 1.6 V 35 mA 1.3 V 35 mA - 40 C + 125 C Through Hole TO-251-3 Tube
Littelfuse Triacs 800V 4A 25-25-25mA 3.839In Stock
Min.: 1
Mult.: 1
: 2.500

Qxx04xx 4 A 46 A, 55 A 800 V 10 uA 1.6 V 30 mA 2.5 V 25 mA, 50 mA - 40 C + 125 C SMD/SMT TO-252-3 Reel, Cut Tape, MouseReel
Littelfuse Triacs Triac 600V 10A 46In Stock
Min.: 1
Mult.: 1

Qxx10xx 10 A 100 A, 120 A 600 V 50 uA 1.6 V 50 mA 2.5 V 50 mA, 75 mA - 40 C + 125 C Through Hole TO-220-3 Tube
Littelfuse Triacs 8 Amp Alternistor TRIAC-TO220 Iso 998In Stock
Min.: 1
Mult.: 1
: 1.000

Qxx06xH 8 A 83 A, 100 A 600 V 10 uA 1.6 V 50 mA 1.3 V 50 mA - 40 C + 125 C Through Hole TO-220AB-3 Reel, Cut Tape
Littelfuse Triacs 40 Amp Standard TRIAC-TO218AC 245In Stock
Min.: 1
Mult.: 1

Qxx40x 40 A 400 A, 480 A 600 V 20 uA 1.8 V 80 mA 1.3 V 50 mA, 100 mA - 40 C + 125 C Through Hole TO-218AC-3 Tube
Littelfuse Triacs Altnstr 600V 40A Iso 100(1-3)mA 2.338In Stock
Min.: 1
Mult.: 1

Qxx40xx 40 A 335 A, 400 A 600 V 20 uA 1.8 V 120 mA 2.5 V 100 mA - 40 C + 125 C Through Hole SMTO-218 Tube
Littelfuse Triacs 8A 600V Alt TO-252 D-PAK 2.500In Stock
Min.: 1
Mult.: 1
: 2.500
QJxx08xH 8 A 84 A 600 V 10 uA 1.5 V 25 mA 1.3 V 10 mA - 40 C + 150 C SMD/SMT TO-252-3 Reel, Cut Tape
Littelfuse Triacs 400V 4A 10-10-10mA 7.250In Stock
Min.: 1
Mult.: 1

Qxx04xx 4 A 46 A, 55 A 400 V 10 uA 1.6 V 20 mA 2 V 10 mA, 25 mA - 40 C + 125 C Through Hole TO-220-2 Tube
Littelfuse Triacs 400V 15A 50-50-50mA 2.416In Stock
Min.: 1
Mult.: 1

Qxx15xx 15 A 167 A, 200 A 400 V 5 uA 1.6 V 70 mA 2.5 V 50 mA - 40 C + 125 C Through Hole TO-220-2 Tube
Littelfuse Triacs 600V 6A 35-35-35mA 1.092In Stock
Min.: 1
Mult.: 1

Qxx06xxH 6 A 80 A, 85 A 600 V 10 uA 1.6 V 35 mA 1.3 V 35 mA - 40 C + 125 C Through Hole TO-220-2 Tube
Littelfuse Triacs 600V 15A 50-50-50mA 1.558In Stock
Min.: 1
Mult.: 1

Qxx15xx 15 A 167 A, 200 A 600 V 5 uA 1.6 V 70 mA 2.5 V 50 mA - 40 C + 125 C Through Hole TO-220-2 Tube
Littelfuse Triacs 600V 30A 50-50-50mA 2.843In Stock
Min.: 1
Mult.: 1
: 500

Qxx35xHx 35 A 290 A, 350 A 600 V 10 uA 1.5 V 75 mA 2 V 50 mA - 40 C + 125 C SMD/SMT SMTO-263-2 Reel, Cut Tape, MouseReel
Littelfuse Triacs 800V 10A 50-50-50mA 1.464In Stock
Min.: 1
Mult.: 1

Qxx10xx 10 uA 1.6 V TO-220-2 Tube
Littelfuse Triacs 800V 15A 50-50-50mA 644In Stock
Min.: 1
Mult.: 1
: 500

Qxx15xx 15 A 167 A, 200 A 800 V 5 uA 1.6 V 70 mA 2.5 V 50 mA - 40 C + 125 C SMD/SMT SMTO-263-2 Reel, Cut Tape, MouseReel
Littelfuse Triacs 800V 16A 35-35-35 mA 1.232In Stock
Min.: 1
Mult.: 1

Qxx16xHx 16 A 167 A, 200 A 800 V 5 uA 1.6 V 50 mA 2 V 35 mA - 40 C + 125 C Through Hole TO-220-2 Tube
Littelfuse Triacs 400V 4A 10-10-10mA 11.574In Stock
Min.: 1
Mult.: 1
: 2.500

Qxx04xx 4 A 46 A, 55 A 400 V 10 uA 1.6 V 20 mA 2 V 10 mA, 25 mA - 40 C + 125 C SMD/SMT TO-252-3 Reel, Cut Tape, MouseReel
Littelfuse Triacs 400V 1A 10-10-10mA 4.000In Stock
4.000Expected 8/10/2026
Min.: 1
Mult.: 1

Qx01E 1 A 16.7 A, 20 A 400 V 20 uA 1.6 V 15 mA 2 V 10 mA, 25 mA - 65 C + 125 C Through Hole TO-92-3 Bulk
Littelfuse Triacs Altnstr 400V 40A Iso 100-100-100mA 483In Stock
Min.: 1
Mult.: 1

Qxx40xx 40 A 335 A, 400 A 400 V 20 uA 1.8 V 120 mA 2.5 V 100 mA - 40 C + 125 C Through Hole SMTO-218 Tube
Littelfuse Triacs 600V 8A 10-10-10mA 12.057In Stock
Min.: 1
Mult.: 1
: 2.500

Qxx08xHx 6 A 55 A, 65 A 600 V 10 uA 1.6 V 15 mA 1.3 V 10 mA - 40 C + 110 C SMD/SMT TO-252-3 Reel, Cut Tape, MouseReel
Littelfuse Triacs 600V 8A 35-35-35mA 1.408In Stock
Min.: 1
Mult.: 1
: 2.500

Qxx08xHx 6 A 55 A, 65 A 600 V 10 uA 1.6 V 35 mA 1.3 V 35 mA - 40 C + 125 C SMD/SMT TO-252-3 Reel, Cut Tape, MouseReel
Littelfuse Triacs Altnstr 600V 40A Iso 100-100-100mA 957In Stock
Min.: 1
Mult.: 1

Qxx40xx 40 A 335 A, 400 A 600 V 20 uA 1.8 V 120 mA 2.5 V 100 mA - 40 C + 125 C Through Hole SMTO-218 Tube
Littelfuse Triacs Altnstr 800V 8A 2.215In Stock
Min.: 1
Mult.: 1
: 2.500

Qxx08xHx 8 A 80 A, 85 A 800 V 10 uA 1.6 V 35 mA 1.3 V 35 mA - 40 C + 125 C SMD/SMT TO-252-3 Reel, Cut Tape, MouseReel
Littelfuse Triacs Altnstr 800V 40A Iso 100-100-100mA 269In Stock
Min.: 1
Mult.: 1

Qxx40xx 40 A 335 A, 400 A 800 V 20 uA 1.8 V 120 mA 2.5 V 100 mA - 40 C + 125 C Through Hole SMTO-218 Tube
Littelfuse Triacs Altstr 1000V 40A Iso 100-100-100mA 902In Stock
Min.: 1
Mult.: 1

Qxx40xx 40 A 335 A, 400 A 1 kV 20 uA 1.8 V 120 mA 2.5 V 100 mA - 40 C + 125 C Through Hole SMTO-218 Tube