.hide-partial { max-height: none; } .show-more { display: none; }

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 (774)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Cartridge Fuses 50A 500V

0606050.UXTHP
Littelfuse
1: CHF 11.39
1’160In Stock

Mfr. Part No.
0606050.UXTHP

Mouser Part No
576-0606050.UXTHP

Littelfuse

Cartridge Fuses 50A 500V

Learn More

Datasheet

1’160In Stock

CHF 11.39

CHF 9.45

CHF 8.72

CHF 7.23

View

Min.: 1
Mult.: 1

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

0881060.UR
Littelfuse
1: CHF 8.41
2’140In Stock

Mfr. Part No.
0881060.UR

Mouser Part No
576-0881060.UR

Littelfuse

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

Learn More

Datasheet

2’140In Stock

Cut Tape

CHF 8.41

CHF 7.78

CHF 6.90

CHF 5.99

View

Reel

CHF 4.52

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

0881070.UR
Littelfuse
1: CHF 8.98
599In Stock

Mfr. Part No.
0881070.UR

Mouser Part No
576-0881070.UR

Littelfuse

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

Learn More

Datasheet

599In Stock

Cut Tape

CHF 8.98

CHF 7.84

CHF 7.23

CHF 5.97

View

Reel

CHF 4.52

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses 80A 75V FAST ACTING

0881080.URF
Littelfuse
1: CHF 14.24
753In Stock

Mfr. Part No.
0881080.URF

Mouser Part No
576-0881080.URF

Littelfuse

Surface Mount Fuses 80A 75V FAST ACTING

Learn More

Datasheet

753In Stock

Cut Tape

CHF 14.24

CHF 12.13

CHF 11.16

CHF 9.45

View

Reel

CHF 7.66

Min.: 1
Mult.: 1

: 500

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

CG41.0SM
Littelfuse
1: CHF 1.35
4’900In Stock
3’000Expected 8/17/2026

Mfr. Part No.
CG41.0SM

Mouser Part No
576-CG41.0SM

Littelfuse

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

Learn More

Datasheet

4’900In Stock

3’000Expected 8/17/2026

Cut Tape

CHF 1.35

CHF 1.03

CHF 0.857

CHF 0.786

Reel

CHF 0.687

MouseReel Available

Min.: 1
Mult.: 1

: 1’000

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

JLLS250.X
Littelfuse
1: CHF 172.12
19In Stock

Mfr. Part No.
JLLS250.X

Mouser Part No
576-JLLS250.X

Littelfuse

Industrial & Electrical Fuses 250A 600VAC 300VDC Class T

Learn More

Datasheet

19In Stock

CHF 172.12

CHF 147.48

CHF 136.11

CHF 108.70

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

V05E40PL1T
Littelfuse
1: CHF 0.372
10’998In Stock

Mfr. Part No.
V05E40PL1T

Mouser Part No
576-V05E40PL1T

Littelfuse

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

Learn More

Datasheet

10’998In Stock

Cut Tape

CHF 0.372

CHF 0.231

CHF 0.20

CHF 0.184

Reel

CHF 0.147

View

Min.: 1
Mult.: 1

: 1’000

Varistors 40V 5mm Epoxy UltraMOV

V05E40PL2T5
Littelfuse
1: CHF 0.325
10’000In Stock

Mfr. Part No.
V05E40PL2T5

Mouser Part No
576-V05E40PL2T5

Littelfuse

Varistors 40V 5mm Epoxy UltraMOV

Learn More

Datasheet

10’000In Stock

Cut Tape

CHF 0.325

CHF 0.201

CHF 0.174

CHF 0.161

CHF 0.154

Reel

CHF 0.129

Min.: 1
Mult.: 1

: 1’000

Varistors 275V 450pF

V275LA20CP
Littelfuse
1: CHF 0.745
5’116In Stock

Mfr. Part No.
V275LA20CP

Mouser Part No
576-V275LA20CP

Littelfuse

Varistors 275V 450pF

Learn More

Datasheet

5’116In Stock

CHF 0.745

CHF 0.537

CHF 0.484

CHF 0.428

View

Min.: 1
Mult.: 1

Varistors 300V

V300LA40CP
Littelfuse
1: CHF 1.12
2’063In Stock
2’000On Order

Mfr. Part No.
V300LA40CP

Mouser Part No
576-V300LA40CP

Littelfuse

Varistors 300V

Learn More

Datasheet

2’063In Stock

2’000On Order

CHF 1.12

CHF 0.833

CHF 0.751

CHF 0.703

CHF 0.64

Min.: 1
Mult.: 1

Varistors 320V

V320LA40CP
Littelfuse
1: CHF 0.881
1’108In Stock

Mfr. Part No.
V320LA40CP

Mouser Part No
576-V320LA40CP

Littelfuse

Varistors 320V

Learn More

Datasheet

1’108In Stock

CHF 0.881

CHF 0.636

CHF 0.575

CHF 0.51

CHF 0.481

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR LEAD FREE

V625LA80CP
Littelfuse
1: CHF 2.20
1’200In Stock

Mfr. Part No.
V625LA80CP

Mouser Part No
576-V625LA80CP

Littelfuse

Varistors RADIAL VARISTOR LEAD FREE

Learn More

Datasheet

1’200In Stock

CHF 2.20

CHF 1.66

CHF 1.52

CHF 1.36

Min.: 1
Mult.: 1

Varistors 130V to 1000V LA Varistor

V680LA100CP
Littelfuse
1: CHF 2.20
1’803In Stock

Mfr. Part No.
V680LA100CP

Mouser Part No
576-V680LA100CP

Littelfuse

Varistors 130V to 1000V LA Varistor

Learn More

Datasheet

1’803In Stock

CHF 2.20

CHF 1.66

CHF 1.52

CHF 1.36

Min.: 1
Mult.: 1

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

SMD075F-2
Littelfuse
1: CHF 0.444
15’473In Stock
18’000Expected 11/30/2026

Mfr. Part No.
SMD075F-2

Mouser Part No
650-SMD075F-2

Littelfuse

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

Learn More

Datasheet

15’473In Stock

18’000Expected 11/30/2026

Cut Tape

CHF 0.444

CHF 0.404

CHF 0.336

CHF 0.309

View

Reel

CHF 0.198

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

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

SMD075F/60-2
Littelfuse
1: CHF 0.476
15’225In Stock
14’000Expected 9/23/2026

Mfr. Part No.
SMD075F/60-2

Mouser Part No
650-SMD075F/60-2

Littelfuse

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

Learn More

Datasheet

15’225In Stock

14’000Expected 9/23/2026

Cut Tape

CHF 0.476

CHF 0.435

CHF 0.361

CHF 0.334

Reel

CHF 0.285

View

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

Resettable Fuses - PPTC 30V 40A IMAX

SMD100F-2
Littelfuse
1: CHF 0.42
17’122In Stock
44’000Expected 8/20/2026

Mfr. Part No.
SMD100F-2

Mouser Part No
650-SMD100F-2

Littelfuse

Resettable Fuses - PPTC 30V 40A IMAX

Learn More

Datasheet

17’122In Stock

44’000Expected 8/20/2026

Cut Tape

CHF 0.42

CHF 0.388

CHF 0.322

CHF 0.298

Reel

CHF 0.203

View

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

Resettable Fuses - PPTC 1.1A 33V 40A Imax

SMD100F/33-2
Littelfuse
1: CHF 0.491
4’964In Stock
10’000Expected 12/7/2026

Mfr. Part No.
SMD100F/33-2

Mouser Part No
650-SMD100F/33-2

Littelfuse

Resettable Fuses - PPTC 1.1A 33V 40A Imax

Learn More

Datasheet

4’964In Stock

10’000Expected 12/7/2026

Cut Tape

CHF 0.491

CHF 0.449

CHF 0.372

CHF 0.344

View

Reel

CHF 0.282

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2018-2
Littelfuse
1: CHF 0.547
15’280In Stock

Mfr. Part No.
SMD150F-2018-2

Mouser Part No
650-SMD150F-2018-2

Littelfuse

Resettable Fuses - PPTC 1.5A 15V 40A Imax

Learn More

Datasheet

15’280In Stock

Cut Tape

CHF 0.547

CHF 0.496

CHF 0.414

CHF 0.366

View

Reel

CHF 0.219

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

Resettable Fuses - PPTC 1.5A 33V 40A Imax

SMD150F/33-2
Littelfuse
1: CHF 0.476
9’532In Stock

Mfr. Part No.
SMD150F/33-2

Mouser Part No
650-SMD150F/33-2

Littelfuse

Resettable Fuses - PPTC 1.5A 33V 40A Imax

Learn More

Datasheet

9’532In Stock

Cut Tape

CHF 0.476

CHF 0.435

CHF 0.361

CHF 0.334

View

Reel

CHF 0.274

MouseReel Available

Min.: 1
Mult.: 1

: 1’500

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

SMD150F/33-2920-2
Littelfuse
1: CHF 0.531
5’838In Stock

Mfr. Part No.
SMD150F/33-2920-2

Mouser Part No
650-SMD150F/3329202

Littelfuse

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

Learn More

Datasheet

5’838In Stock

Cut Tape

CHF 0.531

CHF 0.486

CHF 0.404

CHF 0.372

Reel

CHF 0.224

View

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

Resettable Fuses - PPTC 1.8A 33V 40A Imax

SMD185F-2
Littelfuse
1: CHF 0.563
11’594In Stock
30’000On Order

Mfr. Part No.
SMD185F-2

Mouser Part No
650-SMD185F-2

Littelfuse

Resettable Fuses - PPTC 1.8A 33V 40A Imax

Learn More

Datasheet

11’594In Stock

30’000On Order

Cut Tape

CHF 0.563

CHF 0.516

CHF 0.428

CHF 0.396

Reel

CHF 0.247

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’500

Resettable Fuses - PPTC 2A 15V 40A Imax

SMD200F-2
Littelfuse
1: CHF 0.531
6’450In Stock
12’000Expected 8/20/2026

Mfr. Part No.
SMD200F-2

Mouser Part No
650-SMD200F-2

Littelfuse

Resettable Fuses - PPTC 2A 15V 40A Imax

Learn More

Datasheet

6’450In Stock

12’000Expected 8/20/2026

Cut Tape

CHF 0.531

CHF 0.486

CHF 0.404

CHF 0.372

Reel

CHF 0.233

View

MouseReel Available

Min.: 1
Mult.: 1

: 1’500

Resettable Fuses - PPTC 2.5A 15V 40A Imax

SMD250F-2
Littelfuse
1: CHF 0.476
10’081In Stock

Mfr. Part No.
SMD250F-2

Mouser Part No
650-SMD250F-2

Littelfuse

Resettable Fuses - PPTC 2.5A 15V 40A Imax

Learn More

Datasheet

10’081In Stock

Cut Tape

CHF 0.476

CHF 0.435

CHF 0.361

CHF 0.334

View

Reel

CHF 0.219

MouseReel Available

Min.: 1
Mult.: 1

: 1’500

Resettable Fuses - PPTC 3A 6V 40A Imax

SMD300F-2
Littelfuse
1: CHF 0.555
6’698In Stock

Mfr. Part No.
SMD300F-2

Mouser Part No
650-SMD300F-2

Littelfuse

Resettable Fuses - PPTC 3A 6V 40A Imax

Learn More

Datasheet

6’698In Stock

Cut Tape

CHF 0.555

CHF 0.501

CHF 0.422

CHF 0.375

View

Reel

CHF 0.289

MouseReel Available

Min.: 1
Mult.: 1

: 2’000

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

JLLS020.T
Littelfuse
1: CHF 29.54
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

CHF 29.54

CHF 24.50

CHF 22.60

CHF 18.72

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

All Results (774)

Customer Service Office

Company

Resources

Support

Communications Infrastructure Solutions

All Results (774)

Circuit Protection

Industrial Automation

Semiconductors