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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 (1,014)

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Part #

Varistors 575V 100A High

V575LA80CP
Littelfuse
1: $2.50
1,202In Stock

Mfr. Part #
V575LA80CP

Mouser Part #
576-V575LA80CP

Littelfuse

Varistors 575V 100A High

Learn More

Datasheet

1,202In Stock

$2.50

$1.98

$1.81

$1.67

$1.57

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .3A 60V 20A Imax

SMD030F-2018-2
Littelfuse
1: $0.906
4,648In Stock

Mfr. Part #
SMD030F-2018-2

Mouser Part #
650-SMD030F-2018-2

Littelfuse

Resettable Fuses - PPTC .3A 60V 20A Imax

Learn More

Datasheet

4,648In Stock

Cut Tape

$0.906

$0.83

$0.689

$0.635

View

Reel

$0.37

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 30V 40A IMAX

SMD100F-2
Littelfuse
1: $0.691
4,721In Stock
7,448Expected 2026-03-25

Mfr. Part #
SMD100F-2

Mouser Part #
650-SMD100F-2

Littelfuse

Resettable Fuses - PPTC 30V 40A IMAX

Learn More

Datasheet

4,721In Stock

7,448Expected 2026-03-25

Cut Tape

$0.691

$0.632

$0.525

$0.485

View

Reel

$0.328

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.25A 15V 40A Imax

SMD125F-2
Littelfuse
1: $0.691
2,543In Stock

Mfr. Part #
SMD125F-2

Mouser Part #
650-SMD125F-2

Littelfuse

Resettable Fuses - PPTC 1.25A 15V 40A Imax

Learn More

Datasheet

2,543In Stock

Cut Tape

$0.691

$0.668

$0.554

$0.511

View

Reel

$0.368

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2
Littelfuse
1: $0.844
1,993In Stock

Mfr. Part #
SMD150F-2

Mouser Part #
650-SMD150F-2

Littelfuse

Resettable Fuses - PPTC 1.5A 15V 40A Imax

Learn More

Datasheet

1,993In Stock

Cut Tape

$0.844

$0.775

$0.643

$0.594

Reel

$0.368

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2018-2
Littelfuse
1: $0.89
4,000In Stock
8,000Expected 2026-05-18

Mfr. Part #
SMD150F-2018-2

Mouser Part #
650-SMD150F-2018-2

Littelfuse

Resettable Fuses - PPTC 1.5A 15V 40A Imax

Learn More

Datasheet

4,000In Stock

8,000Expected 2026-05-18

Cut Tape

$0.89

$0.80

$0.669

$0.608

View

Reel

$0.378

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 1.5A 33V 40A Imax

SMD150F/33-2
Littelfuse
1: $0.783
3,616In Stock
7,500Expected 2026-03-24

Mfr. Part #
SMD150F/33-2

Mouser Part #
650-SMD150F/33-2

Littelfuse

Resettable Fuses - PPTC 1.5A 33V 40A Imax

Learn More

Datasheet

3,616In Stock

7,500Expected 2026-03-24

Cut Tape

$0.783

$0.70

$0.589

$0.545

Reel

$0.356

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 230 mOhms 40 A 33 VDC - 40 C+ 85 C

SMD150F/33-2920-2
Littelfuse
1: $0.89
2,514In Stock

Mfr. Part #
SMD150F/33-2920-2

Mouser Part #
650-SMD150F/3329202

Littelfuse

Resettable Fuses - PPTC 230 mOhms 40 A 33 VDC - 40 C+ 85 C

Learn More

Datasheet

2,514In Stock

Cut Tape

$0.89

$0.821

$0.682

$0.629

Reel

$0.398

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 2A 6V 40A Imax

SMD200F-2018-2
Littelfuse
1: $0.86
1,204In Stock

Mfr. Part #
SMD200F-2018-2

Mouser Part #
650-SMD200F-2018-2

Littelfuse

Resettable Fuses - PPTC 2A 6V 40A Imax

Learn More

Datasheet

1,204In Stock

Cut Tape

$0.86

$0.677

$0.645

$0.597

$0.408

Reel

$0.398

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 15V 2.5A-HD 40A SMD

SMD250F/15-2920-2
Littelfuse
1: $1.07
316In Stock

Mfr. Part #
SMD250F/15-2920-2

Mouser Part #
650-SMD250F/1529202

Littelfuse

Resettable Fuses - PPTC 15V 2.5A-HD 40A SMD

Learn More

Datasheet

316In Stock

Cut Tape

$1.07

$0.941

$0.818

$0.666

View

Reel

$0.41

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 2.6A 6V 40A Imax

SMD260F-2
Littelfuse
1: $0.921
3,872In Stock

Mfr. Part #
SMD260F-2

Mouser Part #
650-SMD260F-2

Littelfuse

Resettable Fuses - PPTC 2.6A 6V 40A Imax

Learn More

Datasheet

3,872In Stock

Cut Tape

$0.921

$0.837

$0.697

$0.659

Reel

$0.416

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 3A 6V 40A Imax

SMD300F-2
Littelfuse
1: $0.89
2,198In Stock
4,000Expected 2026-05-14

Mfr. Part #
SMD300F-2

Mouser Part #
650-SMD300F-2

Littelfuse

Resettable Fuses - PPTC 3A 6V 40A Imax

Learn More

Datasheet

2,198In Stock

4,000Expected 2026-05-14

Cut Tape

$0.89

$0.809

$0.683

$0.625

Reel

$0.402

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 15V 40A 0.05Ohms

SMD300F/15-2
Littelfuse
1: $0.906
3,384In Stock

Mfr. Part #
SMD300F/15-2

Mouser Part #
650-SMD300F/15-2

Littelfuse

Resettable Fuses - PPTC 15V 40A 0.05Ohms

Learn More

Datasheet

3,384In Stock

Cut Tape

$0.906

$0.801

$0.725

$0.668

Reel

$0.422

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.2A 16V 50A Imax

SMDH120-2
Littelfuse
1: $0.952
2,120In Stock

Mfr. Part #
SMDH120-2

Mouser Part #
650-SMDH120-2

Littelfuse

Resettable Fuses - PPTC 1.2A 16V 50A Imax

Learn More

Datasheet

2,120In Stock

Cut Tape

$0.952

$0.875

$0.738

$0.682

View

Reel

$0.474

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.6A 16V 40A Imax

SMDH160-2
Littelfuse
1: $1.11
1,685In Stock

Mfr. Part #
SMDH160-2

Mouser Part #
650-SMDH160

Littelfuse

Resettable Fuses - PPTC 1.6A 16V 40A Imax

Learn More

Datasheet

Product Comments

1,685In Stock

Cut Tape

$1.11

$1.01

$0.843

$0.777

Reel

$0.611

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Varistors 22V 2000A 12000pF

V36RA22
Littelfuse
1: $10.45
119In Stock

Mfr. Part #
V36RA22

Mouser Part #
576-V36RA22

Littelfuse

Varistors 22V 2000A 12000pF

Learn More

Datasheet

119In Stock

$10.45

$9.19

$8.69

$7.52

$7.14

Min.: 1
Mult.: 1

Varistors 140V 7mm Epoxy UltraMOV

V07E140PL1T
Littelfuse
1: $1.20
2,876In Stock

Mfr. Part #
V07E140PL1T

Mouser Part #
576-V07E140PL1T

Littelfuse

Varistors 140V 7mm Epoxy UltraMOV

Learn More

Datasheet

Product Comments

2,876In Stock

Cut Tape

$1.20

$0.717

$0.496

$0.461

Reel

$0.304

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 60V 10mm Epoxy UltraMOV

V10E60P
Littelfuse
1: $1.20
1,214In Stock

Mfr. Part #
V10E60P

Mouser Part #
576-V10E60P

Littelfuse

Varistors 60V 10mm Epoxy UltraMOV

Learn More

Datasheet

1,214In Stock

$1.20

$0.721

$0.499

$0.464

View

Min.: 1
Mult.: 1

Varistors 4500A 120V 1700pF

V120RA16
Littelfuse
1: $9.64
160In Stock

Mfr. Part #
V120RA16

Mouser Part #
576-V120RA16

Littelfuse

Varistors 4500A 120V 1700pF

Learn More

Datasheet

160In Stock

$9.64

$8.27

$7.81

$6.77

$6.43

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: $1.83
61,722Expected 2026-04-08

Mfr. Part #
SRV05-4HTG-D

Mouser Part #
576-SRV05-4HTG-D

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Learn More

Datasheet

61,722Expected 2026-04-08

Cut Tape

$1.83

$1.23

$0.815

$0.634

Reel

$0.497

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes ESD 380V BI

AK1-380C-Y
Littelfuse
1: $47.86
280On Order

Mfr. Part #
AK1-380C-Y

Mouser Part #
576-AK1-380C-Y

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 380V BI

Learn More

Datasheet

280On Order

$47.86

$38.67

$34.54

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V 3kA 8/20us UL 1449

CG41.0SM
Littelfuse
1: $2.70
3,234On Order

Mfr. Part #
CG41.0SM

Mouser Part #
576-CG41.0SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V 3kA 8/20us UL 1449

Learn More

Datasheet

3,234On Order

Cut Tape

$2.70

$2.35

$2.20

$1.80

View

Reel

$1.21

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Surface Mount Fuses 75VDC 70A .74ohms 881 NANO2

0881070.UR
Littelfuse
1: $13.55
999On Order

Mfr. Part #
0881070.UR

Mouser Part #
576-0881070.UR

Littelfuse

Surface Mount Fuses 75VDC 70A .74ohms 881 NANO2

Learn More

Datasheet

999On Order

Cut Tape

$13.55

$12.14

$11.21

$9.26

View

Reel

$7.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 70A 75V FAST ACTING

0881070.URF
Littelfuse
1: $13.42
700Expected 2026-04-06

Mfr. Part #
0881070.URF

Mouser Part #
576-0881070.URF

Littelfuse

Surface Mount Fuses 70A 75V FAST ACTING

Learn More

Datasheet

700Expected 2026-04-06

Cut Tape

$13.42

$12.14

$11.21

$9.21

View

Reel

$7.23

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 17V 5% Uni-Directional

SMDJ17A-T7
Littelfuse
1: $1.37
3In Stock

Mfr. Part #
SMDJ17A-T7

Mouser Part #
576-SMDJ17A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 17V 5% Uni-Directional

Learn More

Datasheet

3In Stock

Cut Tape

$1.37

$1.11

$0.867

Reel

$0.625

$0.579

Min.: 1
Mult.: 1

Reel: 500

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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