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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 1.1A 33V 40A Imax

SMD100F/33-2
Littelfuse
1: $0.806
14,381In Stock

Mfr. Part #
SMD100F/33-2

Mouser Part #
650-SMD100F/33-2

Littelfuse

Resettable Fuses - PPTC 1.1A 33V 40A Imax

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Datasheet

14,381In Stock

Cut Tape

$0.806

$0.739

$0.614

$0.566

View

Reel

$0.364

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.8A 33V 40A Imax

SMD185F-2
Littelfuse
1: $0.961
13,887In Stock

Mfr. Part #
SMD185F-2

Mouser Part #
650-SMD185F-2

Littelfuse

Resettable Fuses - PPTC 1.8A 33V 40A Imax

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Datasheet

13,887In Stock

Cut Tape

$0.961

$0.88

$0.732

$0.674

Reel

$0.443

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 2A 15V 40A Imax

SMD200F-2
Littelfuse
1: $0.899
7,796In Stock
3,000Expected 2026-04-20

Mfr. Part #
SMD200F-2

Mouser Part #
650-SMD200F-2

Littelfuse

Resettable Fuses - PPTC 2A 15V 40A Imax

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Datasheet

7,796In Stock

3,000Expected 2026-04-20

Cut Tape

$0.899

$0.829

$0.688

$0.636

Reel

$0.417

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 2.5A 15V 40A Imax

SMD250F-2
Littelfuse
1: $0.791
7,648In Stock

Mfr. Part #
SMD250F-2

Mouser Part #
650-SMD250F-2

Littelfuse

Resettable Fuses - PPTC 2.5A 15V 40A Imax

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Datasheet

7,648In Stock

Cut Tape

$0.791

$0.718

$0.595

$0.55

View

Reel

$0.364

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: $2.64
1,287In Stock

Mfr. Part #
CG40.8SM

Mouser Part #
576-CG40.8SM

Littelfuse

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

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Datasheet

1,287In Stock

Cut Tape

$2.64

$2.34

$2.22

$1.80

View

Reel

$1.22

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: $2.62
1,005In Stock

Mfr. Part #
CG41.2SM

Mouser Part #
576-CG41.2SM

Littelfuse

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

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Datasheet

1,005In Stock

Cut Tape

$2.62

$2.33

$2.20

$1.78

View

Reel

$1.22

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: $2.82
948In Stock

Mfr. Part #
CG43.0SM

Mouser Part #
576-CG43.0SM

Littelfuse

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

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Datasheet

948In Stock

Cut Tape

$2.82

$2.34

$2.17

$1.80

View

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

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

JLLS020.T
Littelfuse
1: $52.59
7In Stock

Mfr. Part #
JLLS020.T

Mouser Part #
576-JLLS020.T

Littelfuse

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

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Datasheet

7In Stock

$52.59

$43.63

$33.45

$30.46

View

Min.: 1
Mult.: 1

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

JLLS030.T
Littelfuse
1: $45.07
1In Stock

Mfr. Part #
JLLS030.T

Mouser Part #
576-JLLS030.T

Littelfuse

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

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Datasheet

1In Stock

$45.07

$31.16

$29.30

$26.66

View

Min.: 1
Mult.: 1

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

JLLS050.T
Littelfuse
1: $70.80
7In Stock

Mfr. Part #
JLLS050.T

Mouser Part #
576-JLLS050.T

Littelfuse

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

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Datasheet

7In Stock

$70.80

$60.95

$50.58

$45.63

View

Min.: 1
Mult.: 1

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

JLLS060.T
Littelfuse
1: $57.44
7In Stock

Mfr. Part #
JLLS060.T

Mouser Part #
576-JLLS060.T

Littelfuse

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

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Datasheet

7In Stock

$57.44

$50.75

$43.03

$38.39

View

Min.: 1
Mult.: 1

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

JLLS070.V
Littelfuse
1: $100.24
6In Stock

Mfr. Part #
JLLS070.V

Mouser Part #
576-JLLS070.V

Littelfuse

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

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Datasheet

6In Stock

$100.24

$83.72

$67.04

$60.28

View

Min.: 1
Mult.: 1

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

JLLS080.V
Littelfuse
1: $97.53
17In Stock

Mfr. Part #
JLLS080.V

Mouser Part #
576-JLLS080.V

Littelfuse

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

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Datasheet

17In Stock

$97.53

$80.57

$75.92

$65.88

View

Min.: 1
Mult.: 1

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

JLLS100.V
Littelfuse
1: $111.60
23In Stock

Mfr. Part #
JLLS100.V

Mouser Part #
576-JLLS100.V

Littelfuse

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

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Datasheet

23In Stock

$111.60

$92.64

$87.09

$67.04

View

Min.: 1
Mult.: 1

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

JLLS100.VXP
Littelfuse
1: $121.69
6In Stock

Mfr. Part #
JLLS100.VXP

Mouser Part #
576-JLLS100.VXP

Littelfuse

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

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Datasheet

6In Stock

$121.69

$101.91

$78.96

$69.78

View

Min.: 1
Mult.: 1

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

JLLS110.X
Littelfuse
1: $133.08
13In Stock

Mfr. Part #
JLLS110.X

Mouser Part #
576-JLLS110.X

Littelfuse

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

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Datasheet

13In Stock

$133.08

$111.58

$105.28

$78.32

View

Min.: 1
Mult.: 1

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

JLLS125.X
Littelfuse
1: $144.32
3In Stock

Mfr. Part #
JLLS125.X

Mouser Part #
576-JLLS125.X

Littelfuse

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

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Datasheet

3In Stock

$144.32

$105.59

$97.12

$88.55

View

Min.: 1
Mult.: 1

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

JLLS200.X
Littelfuse
1: $141.47
13In Stock

Mfr. Part #
JLLS200.X

Mouser Part #
576-JLLS200.X

Littelfuse

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

Learn More

Datasheet

13In Stock

$141.47

$118.36

$111.26

$84.88

View

Min.: 1
Mult.: 1

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

JLLS225.X
Littelfuse
1: $315.64
1In Stock

Mfr. Part #
JLLS225.X

Mouser Part #
576-JLLS225.X

Littelfuse

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

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Datasheet

1In Stock

$315.64

$222.75

$214.15

$199.36

Min.: 1
Mult.: 1

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

SP0201U-ULC-01UTG
Littelfuse
1: $0.775
13,785In Stock

Mfr. Part #
SP0201U-ULC-01UTG

Mouser Part #
576-SP0201UULC-01UTG

Littelfuse

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

Learn More

Datasheet

13,785In Stock

Cut Tape

$0.775

$0.481

$0.305

$0.229

View

Reel

$0.136

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

Cartridge Fuses 40A 500V

0606040.UXTHP
Littelfuse
1: $15.58
179In Stock
500Expected 2026-04-02

Mfr. Part #
0606040.UXTHP

Mouser Part #
576-0606040.UXTHP

Littelfuse

Cartridge Fuses 40A 500V

Learn More

Datasheet

179In Stock

500Expected 2026-04-02

$15.58

$12.43

$11.94

$9.90

View

Min.: 1
Mult.: 1

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

0881060.UR
Littelfuse
1: $12.94
243In Stock
3,000Expected 2026-03-31

Mfr. Part #
0881060.UR

Mouser Part #
576-0881060.UR

Littelfuse

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

Learn More

Datasheet

243In Stock

3,000Expected 2026-03-31

Cut Tape

$12.94

$11.80

$10.87

$9.33

View

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Specialty Fuses 170VDC F/A TELEGARD 80A VERT-MOUNT

0TLS080.TXV
Littelfuse
1: $68.37
25In Stock

Mfr. Part #
0TLS080.TXV

Mouser Part #
576-0TLS080.TXV

Littelfuse

Specialty Fuses 170VDC F/A TELEGARD 80A VERT-MOUNT

Learn More

Datasheet

25In Stock

$68.37

$56.62

$52.19

$41.54

View

Min.: 1
Mult.: 1

Specialty Fuses 100A 170VDC

0TLS100.T
Littelfuse
1: $52.78
51In Stock

Mfr. Part #
0TLS100.T

Mouser Part #
576-0TLS100.T

Littelfuse

Specialty Fuses 100A 170VDC

Learn More

Datasheet

51In Stock

$52.78

$43.66

$37.37

$32.18

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 2A 600VAC 300VDC Class T

JLLS002.T
Littelfuse
1: $55.75
1In Stock

Mfr. Part #
JLLS002.T

Mouser Part #
576-JLLS002.T

Littelfuse

Industrial & Electrical Fuses 2A 600VAC 300VDC Class T

Learn More

Datasheet

1In Stock

$55.75

$43.65

$37.53

$34.26

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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