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Communications Infrastructure Solutions

Littelfuse provides a wide range of communication infrastructure solutions that ensure speed and reliability in all environments. These solutions are energy efficient, dependable, and easy to incorporate into compact designs. Communication infrastructure solutions from Littelfuse include TVS diodes, varistors, NTC thermistors, fuses, and more.

All Results (1,136)

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Part #

Resettable Fuses - PPTC .75A 30V 40A Imax

SMD075F-2
Littelfuse
1: $0.47
12,338In Stock

Mfr. Part No.
SMD075F-2

Mouser Part No
650-SMD075F-2

Littelfuse

Resettable Fuses - PPTC .75A 30V 40A Imax

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Datasheet

12,338In Stock

Cut Tape

$0.47

$0.429

$0.356

$0.329

Reel

$0.251

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 60V 750MA-HD 10A MAX

SMD075F/60-2
Littelfuse
1: $0.80
18,584In Stock

Mfr. Part No.
SMD075F/60-2

Mouser Part No
650-SMD075F/60-2

Littelfuse

Resettable Fuses - PPTC 60V 750MA-HD 10A MAX

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Datasheet

18,584In Stock

Cut Tape

$0.80

$0.619

$0.58

$0.438

Reel

$0.327

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 30V 40A IMAX

SMD100F-2
Littelfuse
1: $0.45
6,949In Stock
7,948Expected 2026/03/25

Mfr. Part No.
SMD100F-2

Mouser Part No
650-SMD100F-2

Littelfuse

Resettable Fuses - PPTC 30V 40A IMAX

Learn More

Datasheet

6,949In Stock

7,948Expected 2026/03/25

Cut Tape

$0.45

$0.412

$0.342

$0.316

Reel

$0.233

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.1A 33V 40A Imax

SMD100F/33-2
Littelfuse
1: $0.52
14,381In Stock

Mfr. Part No.
SMD100F/33-2

Mouser Part No
650-SMD100F/33-2

Littelfuse

Resettable Fuses - PPTC 1.1A 33V 40A Imax

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Datasheet

14,381In Stock

Cut Tape

$0.52

$0.477

$0.397

$0.365

Reel

$0.333

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.8A 33V 40A Imax

SMD185F-2
Littelfuse
1: $0.62
14,387In Stock

Mfr. Part No.
SMD185F-2

Mouser Part No
650-SMD185F-2

Littelfuse

Resettable Fuses - PPTC 1.8A 33V 40A Imax

Learn More

Datasheet

14,387In Stock

Cut Tape

$0.62

$0.568

$0.472

$0.435

Reel

$0.286

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 2A 15V 40A Imax

SMD200F-2
Littelfuse
1: $0.58
7,796In Stock
3,000Expected 2026/05/11

Mfr. Part No.
SMD200F-2

Mouser Part No
650-SMD200F-2

Littelfuse

Resettable Fuses - PPTC 2A 15V 40A Imax

Learn More

Datasheet

7,796In Stock

3,000Expected 2026/05/11

Cut Tape

$0.58

$0.535

$0.444

$0.411

Reel

$0.269

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 2.5A 15V 40A Imax

SMD250F-2
Littelfuse
1: $0.511
7,648In Stock

Mfr. Part No.
SMD250F-2

Mouser Part No
650-SMD250F-2

Littelfuse

Resettable Fuses - PPTC 2.5A 15V 40A Imax

Learn More

Datasheet

7,648In Stock

Cut Tape

$0.511

$0.463

$0.384

$0.355

View

Reel

$0.25

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V 3kA 8/20us UL 1449

CG40.8SM
Littelfuse
1: $1.70
1,287In Stock

Mfr. Part No.
CG40.8SM

Mouser Part No
576-CG40.8SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V 3kA 8/20us UL 1449

Learn More

Datasheet

1,287In Stock

Cut Tape

$1.70

$1.51

$1.43

$1.16

View

Reel

$0.787

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1200V 3kA 8/20us UL 1449

CG41.2SM
Littelfuse
1: $1.69
1,005In Stock

Mfr. Part No.
CG41.2SM

Mouser Part No
576-CG41.2SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1200V 3kA 8/20us UL 1449

Learn More

Datasheet

1,005In Stock

Cut Tape

$1.69

$1.50

$1.42

$1.15

View

Reel

$0.787

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3000V 3kA 8/20us UL 1449

CG43.0SM
Littelfuse
1: $1.83
948In Stock

Mfr. Part No.
CG43.0SM

Mouser Part No
576-CG43.0SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3000V 3kA 8/20us UL 1449

Learn More

Datasheet

948In Stock

Cut Tape

$1.83

$1.51

$1.40

$1.16

View

Reel

$0.787

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Industrial & Electrical Fuses 20A 600VAC 300VDC Class T

JLLS020.T
Littelfuse
1: $33.94
7In Stock

Mfr. Part No.
JLLS020.T

Mouser Part No
576-JLLS020.T

Littelfuse

Industrial & Electrical Fuses 20A 600VAC 300VDC Class T

Learn More

Datasheet

7In Stock

$33.94

$28.16

$21.59

$19.65

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 30A 600VAC 300VDC Class T

JLLS030.T
Littelfuse
1: $29.09
1In Stock

Mfr. Part No.
JLLS030.T

Mouser Part No
576-JLLS030.T

Littelfuse

Industrial & Electrical Fuses 30A 600VAC 300VDC Class T

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Datasheet

1In Stock

$29.09

$20.11

$18.90

$17.20

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 50A 600VAC 300VDC Class T

JLLS050.T
Littelfuse
1: $45.68
7In Stock

Mfr. Part No.
JLLS050.T

Mouser Part No
576-JLLS050.T

Littelfuse

Industrial & Electrical Fuses 50A 600VAC 300VDC Class T

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Datasheet

7In Stock

$45.68

$39.33

$32.63

$29.45

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 60A 600VAC 300VDC Class T

JLLS060.T
Littelfuse
1: $37.06
7In Stock

Mfr. Part No.
JLLS060.T

Mouser Part No
576-JLLS060.T

Littelfuse

Industrial & Electrical Fuses 60A 600VAC 300VDC Class T

Learn More

Datasheet

7In Stock

$37.06

$32.75

$27.76

$24.77

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 70A 600VAC 300VDC Class T

JLLS070.V
Littelfuse
1: $64.69
8In Stock

Mfr. Part No.
JLLS070.V

Mouser Part No
576-JLLS070.V

Littelfuse

Industrial & Electrical Fuses 70A 600VAC 300VDC Class T

Learn More

Datasheet

8In Stock

$64.69

$54.02

$43.26

$38.90

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 80A 600VAC 300VDC Class T

JLLS080.V
Littelfuse
1: $62.93
17In Stock

Mfr. Part No.
JLLS080.V

Mouser Part No
576-JLLS080.V

Littelfuse

Industrial & Electrical Fuses 80A 600VAC 300VDC Class T

Learn More

Datasheet

17In Stock

$62.93

$51.99

$48.99

$42.51

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 600VAC 300VDC Class T

JLLS100.V
Littelfuse
1: $72.01
23In Stock

Mfr. Part No.
JLLS100.V

Mouser Part No
576-JLLS100.V

Littelfuse

Industrial & Electrical Fuses 100A 600VAC 300VDC Class T

Learn More

Datasheet

23In Stock

$72.01

$59.78

$56.20

$43.26

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 100A 600VAC 300VDC CLASS T

JLLS100.VXP
Littelfuse
1: $78.53
6In Stock

Mfr. Part No.
JLLS100.VXP

Mouser Part No
576-JLLS100.VXP

Littelfuse

Industrial & Electrical Fuses 100A 600VAC 300VDC CLASS T

Learn More

Datasheet

6In Stock

$78.53

$65.77

$50.95

$45.03

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 110A 600VAC 300VDC Class T

JLLS110.X
Littelfuse
1: $85.88
13In Stock

Mfr. Part No.
JLLS110.X

Mouser Part No
576-JLLS110.X

Littelfuse

Industrial & Electrical Fuses 110A 600VAC 300VDC Class T

Learn More

Datasheet

13In Stock

$85.88

$72.00

$67.93

$52.51

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 125A 600VAC 300VDC Class T

JLLS125.X
Littelfuse
1: $93.89
3In Stock

Mfr. Part No.
JLLS125.X

Mouser Part No
576-JLLS125.X

Littelfuse

Industrial & Electrical Fuses 125A 600VAC 300VDC Class T

Learn More

Datasheet

3In Stock

$93.89

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 200A 600VAC 300VDC Class T

JLLS200.X
Littelfuse
1: $91.28
13In Stock

Mfr. Part No.
JLLS200.X

Mouser Part No
576-JLLS200.X

Littelfuse

Industrial & Electrical Fuses 200A 600VAC 300VDC Class T

Learn More

Datasheet

13In Stock

$91.28

$76.37

$71.79

$54.77

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 225A 600VAC 300VDC Class T

JLLS225.X
Littelfuse
1: $203.68
1In Stock

Mfr. Part No.
JLLS225.X

Mouser Part No
576-JLLS225.X

Littelfuse

Industrial & Electrical Fuses 225A 600VAC 300VDC Class T

Learn More

Datasheet

1In Stock

$203.68

$143.74

$138.19

$128.64

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V .25pF 20kV

SP0201U-ULC-01UTG
Littelfuse
1: $0.50
13,795In Stock

Mfr. Part No.
SP0201U-ULC-01UTG

Mouser Part No
576-SP0201UULC-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V .25pF 20kV

Learn More

Datasheet

13,795In Stock

Cut Tape

$0.50

$0.311

$0.197

$0.148

View

Reel

$0.101

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Cartridge Fuses 40A 500V

0606040.UXTHP
Littelfuse
1: $10.05
179In Stock
500Expected 2026/04/02

Mfr. Part No.
0606040.UXTHP

Mouser Part No
576-0606040.UXTHP

Littelfuse

Cartridge Fuses 40A 500V

Learn More

Datasheet

179In Stock

500Expected 2026/04/02

$10.05

$8.56

Min.: 1
Mult.: 1

Surface Mount Fuses 75VDC 60A .81ohms 881 NANO2

0881060.UR
Littelfuse
1: $8.35
243In Stock
3,000Expected 2026/03/31

Mfr. Part No.
0881060.UR

Mouser Part No
576-0881060.UR

Littelfuse

Surface Mount Fuses 75VDC 60A .81ohms 881 NANO2

Learn More

Datasheet

243In Stock

3,000Expected 2026/03/31

Cut Tape

$8.35

$7.61

$7.01

$6.02

View

Reel

$4.71

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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