Triacs – Mouser United Kingdom

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Q Series Switching Thyristors

Littelfuse Q Series Switching Thyristors are bidirectional, solid-state protection devices designed to handle loads from 0.8A to 40A_RMS 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.

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On-State RMS Current - It RMS

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Rated Repetitive Off-State Voltage VDRM

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Holding Current Ih Max

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Gate Trigger Current - Igt

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Part #

Triacs Altstr 1000V 40A Iso 100-100-100mA

QK040K7TP
Littelfuse
1: £10.88
901In Stock

Mfr. Part No.
QK040K7TP

Mouser Part No
576-QK040K7TP

Littelfuse

Triacs Altstr 1000V 40A Iso 100-100-100mA

Learn More

Datasheet

901In Stock

£10.88

£7.75

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

Triacs 400V 10A 50-50-50mA

Q4010R5TP
Littelfuse
1: £2.55
934In Stock

Mfr. Part No.
Q4010R5TP

Mouser Part No
576-Q4010R5TP

Littelfuse

Triacs 400V 10A 50-50-50mA

Learn More

Datasheet

934In Stock

£2.55

£1.30

£1.17

£1.15

£1.13

Min.: 1
Mult.: 1

Qxx10xx

10 A

100 A, 120 A

400 V

10 uA

1.6 V

50 mA

2.5 V

50 mA, 75 mA

- 40 C

+ 125 C

Through Hole

TO-220-2

Tube

Triacs 400V 12A

Q4012NH5RP
Littelfuse
1: £2.77
384In Stock

Mfr. Part No.
Q4012NH5RP

Mouser Part No
576-Q4012NH5RP

Littelfuse

Triacs 400V 12A

Learn More

Datasheet

384In Stock

Cut Tape

£2.77

£1.82

£1.28

Reel

£1.27

MouseReel Available

Min.: 1
Mult.: 1

: 500

Qxx12xHx

12 A

110 A, 120 A

400 V

10 uA

1.6 V

50 mA

1.3 V

50 mA

- 40 C

+ 125 C

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs Triac 600V 4A 25-25-25 mA

Q6004L4TP
Littelfuse
1: £2.44
1,044In Stock

Mfr. Part No.
Q6004L4TP

Mouser Part No
576-Q6004L4TP

Littelfuse

Triacs Triac 600V 4A 25-25-25 mA

Learn More

Datasheet

1,044In Stock

£2.44

£1.24

£1.13

£1.07

Min.: 1
Mult.: 1

Qxx04xx

4 A

46 A, 55 A

600 V

10 uA

1.6 V

30 mA

2.5 V

25 mA, 50 mA

- 40 C

+ 125 C

Through Hole

TO-220-2

Tube

Triacs 600V 12A 50-50-50mA

Q6012NH5RP
Littelfuse
1: £3.41
78In Stock

Mfr. Part No.
Q6012NH5RP

Mouser Part No
576-Q6012NH5RP

Littelfuse

Triacs 600V 12A 50-50-50mA

Learn More

Datasheet

78In Stock

Cut Tape

£3.41

£2.27

£1.62

Reel

£1.40

MouseReel Available

Min.: 1
Mult.: 1

: 500

Qxx12xHx

12 A

100 A, 120 A

600 V

10 uA

1.6 V

50 mA

1.3 V

50 mA

- 40 C

+ 125 C

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs 600V 15A 33/43V

Q6015LTTP
Littelfuse
1: £3.64
319In Stock

Mfr. Part No.
Q6015LTTP

Mouser Part No
576-Q6015LTTP

Littelfuse

Triacs 600V 15A 33/43V

Learn More

Datasheet

319In Stock

£3.64

£2.43

£1.84

Min.: 1
Mult.: 1

QxxxxLTx

15 A

167 A, 200 A

600 V

10 uA

1.6 V

70 mA

1.5 A

- 40 C

+ 125 C

Through Hole

TO-220-2

Tube

Triacs 600V 15A 50-50-50mA

Q6015N5RP
Littelfuse
1: £3.95
482In Stock

Mfr. Part No.
Q6015N5RP

Mouser Part No
576-Q6015N5RP

Littelfuse

Triacs 600V 15A 50-50-50mA

Learn More

Datasheet

482In Stock

Cut Tape

£3.95

£2.63

£1.87

Reel

£1.67

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs 600V 15A 50-50-50mA

Q6015R5TP
Littelfuse
1: £3.27
18In Stock
1,000Expected 12/11/2026

Mfr. Part No.
Q6015R5TP

Mouser Part No
576-Q6015R5TP

Littelfuse

Triacs 600V 15A 50-50-50mA

Learn More

Datasheet

18In Stock

1,000Expected 12/11/2026

£3.27

£1.69

£1.59

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

Triacs 400V 4A 25-25-25mA

Q4004V4TP
Littelfuse
1: £1.72
713In Stock

Mfr. Part No.
Q4004V4TP

Mouser Part No
576-Q4004V4TP

Littelfuse

Triacs 400V 4A 25-25-25mA

Learn More

Datasheet

713In Stock

£1.72

£1.11

£0.759

£0.663

Min.: 1
Mult.: 1

Qxx04xx

4 A

46 A, 55 A

400 V

10 uA

1.6 V

30 mA

2.5 V

25 mA, 50 mA

- 40 C

+ 125 C

Through Hole

TO-251-3

Tube

Triacs Altnstr 400V 25A Iso 80-80-80 mA

Q4025J6TP
Littelfuse
1: £7.05
200In Stock

Mfr. Part No.
Q4025J6TP

Mouser Part No
576-Q4025J6TP

Littelfuse

Triacs Altnstr 400V 25A Iso 80-80-80 mA

Learn More

Datasheet

200In Stock

£7.05

£4.40

Min.: 1
Mult.: 1

Qxx25xx

25 A

208 A, 250 A

400 V

10 uA

1.8 V

100 mA

2.5 V

80 mA

- 40 C

+ 125 C

Through Hole

SMTO-218

Tube

Triacs Altnstr 400V 25A Iso 80-80-80 mA

Q4025K6TP
Littelfuse
1: £6.53
112In Stock

Mfr. Part No.
Q4025K6TP

Mouser Part No
576-Q4025K6TP

Littelfuse

Triacs Altnstr 400V 25A Iso 80-80-80 mA

Learn More

Datasheet

112In Stock

£6.53

£4.00

Min.: 1
Mult.: 1

Qxx25xx

25 A

208 A, 250 A

400 V

10 uA

1.8 V

100 mA

2.5 V

80 mA

- 40 C

+ 125 C

Through Hole

SMTO-218

Tube

Triacs 400V 40A 100(1-3)Ma

Q4040J7TP
Littelfuse
1: £9.77
171In Stock
500Expected 19/08/2026

Mfr. Part No.
Q4040J7TP

Mouser Part No
576-Q4040J7TP

Littelfuse

Triacs 400V 40A 100(1-3)Ma

Learn More

Datasheet

171In Stock

500Expected 19/08/2026

£9.77

£6.83

£5.88

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

Triacs 600V 8A 10-10-10mA

Q6008DH3TP
Littelfuse
1: £2.60
62In Stock

Mfr. Part No.
Q6008DH3TP

Mouser Part No
576-Q6008DH3TP

Littelfuse

Triacs 600V 8A 10-10-10mA

Learn More

Datasheet

62In Stock

£2.60

£1.69

£1.19

£0.934

Min.: 1
Mult.: 1

Qxx08xHx

6 A

55 A, 65 A

600 V

10 uA

1.6 V

15 mA

1.3 V

10 mA

- 40 C

+ 125 C

SMD/SMT

TO-252-3

Tube

Triacs Altnstr 600V 25A Iso 80-80-80 mA

Q6025K6TP
Littelfuse
1: £7.06
122In Stock

Mfr. Part No.
Q6025K6TP

Mouser Part No
576-Q6025K6TP

Littelfuse

Triacs Altnstr 600V 25A Iso 80-80-80 mA

Learn More

Datasheet

122In Stock

£7.06

£4.88

£4.43

Min.: 1
Mult.: 1

Qxx25xx

25 A

208 A, 250 A

600 V

10 uA

1.8 V

100 mA

2.5 V

80 mA

- 40 C

+ 125 C

Through Hole

SMTO-218

Tube

Triacs 400V 25A 50-50-50mA

Q4025R5
Littelfuse
1: £4.35
53In Stock

Mfr. Part No.
Q4025R5

Mouser Part No
576-Q4025R5

Littelfuse

Triacs 400V 25A 50-50-50mA

Learn More

Datasheet

53In Stock

£4.35

£2.85

£2.12

£1.79

View

Min.: 1
Mult.: 1

Qxx25xx

25 A

167 A, 200 A

400 V

10 uA

1.8 V

100 mA

2.5 V

50 mA

- 40 C

+ 125 C

Through Hole

TO-220-2

Tube

Triacs 400V 6A

Q4006DH4TP
Littelfuse
1: £2.36
259In Stock

Mfr. Part No.
Q4006DH4TP

Mouser Part No
576-Q4006DH4TP

Littelfuse

Triacs 400V 6A

Learn More

Datasheet

259In Stock

£2.36

£1.53

£1.05

£0.796

£0.794

Min.: 1
Mult.: 1

Qxx06xxH

6 A

55 A, 65 A

400 V

10 uA

1.6 V

35 mA

1.3 V

10 mA

- 40 C

+ 125 C

SMD/SMT

TO-252-3

Tube

Triacs 400V 1A 25-25-25mA

Q401E4
Littelfuse
1: £1.38
286In Stock

Mfr. Part No.
Q401E4

Mouser Part No
576-Q401E4

Littelfuse

Triacs 400V 1A 25-25-25mA

Learn More

Datasheet

286In Stock

£1.38

£0.882

£0.595

£0.491

Min.: 1
Mult.: 1

Qx01E

1 A

16.7 A, 20 A

400 V

5 uA

1.6 V

15 mA

2.5 V

25 mA, 50 mA

- 65 C

+ 125 C

Through Hole

TO-92

Bulk

Triacs 400V 8A 25-25-25mA

Q4008L4TP
Littelfuse
1: £2.55
1,998Expected 10/09/2026

Mfr. Part No.
Q4008L4TP

Mouser Part No
576-Q4008L4TP

Littelfuse

Triacs 400V 8A 25-25-25mA

Learn More

Datasheet

1,998Expected 10/09/2026

£2.55

£1.30

£1.17

£1.13

Min.: 1
Mult.: 1

Qxx08xx

8 A

83 A, 100 A

400 V

50 uA

1.6 V

50 mA

2.5 V

25 mA, 50 mA

- 40 C

+ 125 C

Through Hole

TO-220-2

Tube

Triacs 600V 6A 35-35-35mA

Q6006NH4RP
Littelfuse
1: £3.05
1,000Expected 20/08/2026

Mfr. Part No.
Q6006NH4RP

Mouser Part No
576-Q6006NH4RP

Littelfuse

Triacs 600V 6A 35-35-35mA

Learn More

Datasheet

1,000Expected 20/08/2026

Cut Tape

£3.05

£2.01

£1.41

Reel

£1.17

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs 400V 1A 10-10-10mA

Q4N3RP
Littelfuse
1: £1.83
4,054Expected 12/10/2026

Mfr. Part No.
Q4N3RP

Mouser Part No
576-Q4N3RP

Littelfuse

Triacs 400V 1A 10-10-10mA

Learn More

Datasheet

4,054Expected 12/10/2026

Cut Tape

£1.83

£1.18

£0.803

£0.642

£0.595

Reel

£0.587

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

QxNx

1 A

16.7 A, 20 A

400 V

5 uA

1.6 V

15 mA

2 V

10 mA, 25 mA

- 40 C

+ 125 C

SMD/SMT

DO-214AB-2

Reel, Cut Tape, MouseReel

Triacs 400V 10A 50-50-50mA

Q4010N5RP
Littelfuse
1: £3.05
952Expected 07/09/2026

Mfr. Part No.
Q4010N5RP

Mouser Part No
576-Q4010N5RP

Littelfuse

Triacs 400V 10A 50-50-50mA

Learn More

Datasheet

952Expected 07/09/2026

Cut Tape

£3.05

£2.01

£1.41

Reel

£1.17

MouseReel Available

Min.: 1
Mult.: 1

: 500

Qxx10xx

10 A

100 A, 120 A

400 V

10 uA

1.6 V

50 mA

2.5 V

50 mA, 75 mA

- 40 C

+ 125 C

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs 600V 6A 50-50-50mA

Q6006N5RP
Littelfuse
1: £2.52
500Expected 14/09/2026

Mfr. Part No.
Q6006N5RP

Mouser Part No
576-Q6006N5RP

Littelfuse

Triacs 600V 6A 50-50-50mA

Learn More

Datasheet

500Expected 14/09/2026

Cut Tape

£2.52

£1.65

£1.15

Reel

£1.14

MouseReel Available

Min.: 1
Mult.: 1

: 500

Qxx06xx

6 A

65 A, 80 A

600 V

50 uA

1.6 V

50 mA

2.5 V

50 mA, 75 mA

- 40 C

+ 125 C

SMD/SMT

SMTO-263-2

Reel, Cut Tape, MouseReel

Triacs 400V 4A 25-25-25mA

Q4004D4RP
Littelfuse
2,500: £0.663
2,500Factory Stock Available

Mfr. Part No.
Q4004D4RP

Mouser Part No
576-Q4004D4RP

Littelfuse

Triacs 400V 4A 25-25-25mA

Learn More

Datasheet

2,500Factory Stock Available

More Info Available

Reel

£0.663

Min.: 2,500
Mult.: 2,500

: 2,500

Qxx04xx

4 A

46 A, 55 A

400 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

Triacs 8A 800V Alt Triacs TO-252 D-PAK

QJ6008DH4TP
Littelfuse
750: £0.969
750Factory Stock Available

Mfr. Part No.
QJ6008DH4TP

Mouser Part No
576-QJ6008DH4TP

Littelfuse

Triacs 8A 800V Alt Triacs TO-252 D-PAK

Learn More

Datasheet

750Factory Stock Available

More Info Available

£0.969

Min.: 750
Mult.: 750

QJxx08xH

8 A

600 V

10 uA

1.5 V

1.3 V

35 mA

- 40 C

+ 150 C

SMD/SMT

TO-252-3

Tube

Triacs Altnstr 1000V 8A 35 35 35 mA TO252

QK008DH4RP
Littelfuse
2,500: £1.23
2,500Factory Stock Available

Mfr. Part No.
QK008DH4RP

Mouser Part No
576-QK008DH4RP

Littelfuse

Triacs Altnstr 1000V 8A 35 35 35 mA TO252

Learn More

Datasheet

2,500Factory Stock Available

More Info Available

Reel

£1.23

Min.: 2,500
Mult.: 2,500

: 2,500

Qxx08xHx

8 A

80 A, 85 A

1 kV

20 uA

1.6 V

35 mA

1.3 V

35 mA

- 40 C

+ 125 C

SMD/SMT

TO-252-3

Reel

Q Series Switching Thyristors

Customer Service Office

Company

Resources

Support

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