.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 (775)

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: ¥2,385.2
1,260In Stock

Mfr. Part #
0606050.UXTHP

Mouser Part #
576-0606050.UXTHP

Littelfuse

Cartridge Fuses 50A 500V

Learn More

Datasheet

1,260In Stock

¥2,385.2

¥1,979.9

¥1,827.1

¥1,514.8

View

Min.: 1
Mult.: 1

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

0881060.UR
Littelfuse
1: ¥1,760.7
1,140In Stock
1,000Expected 8/10/2026

Mfr. Part #
0881060.UR

Mouser Part #
576-0881060.UR

Littelfuse

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

Learn More

Datasheet

1,140In Stock

1,000Expected 8/10/2026

Cut Tape

¥1,760.7

¥1,629.4

¥1,445.1

¥1,255.7

View

Reel

¥946.8

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

0881070.UR
Littelfuse
1: ¥1,881.9
599In Stock

Mfr. Part #
0881070.UR

Mouser Part #
576-0881070.UR

Littelfuse

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

Learn More

Datasheet

599In Stock

Cut Tape

¥1,881.9

¥1,641.1

¥1,514.8

¥1,249.1

View

Reel

¥946.8

MouseReel Available

Min.: 1
Mult.: 1

: 500

Surface Mount Fuses 80A 75V FAST ACTING

0881080.URF
Littelfuse
1: ¥2,981.5
753In Stock

Mfr. Part #
0881080.URF

Mouser Part #
576-0881080.URF

Littelfuse

Surface Mount Fuses 80A 75V FAST ACTING

Learn More

Datasheet

753In Stock

Cut Tape

¥2,981.5

¥2,541.3

¥2,337

¥1,979.9

View

Reel

¥1,604.5

Min.: 1
Mult.: 1

: 500

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

CG41.0SM
Littelfuse
1: ¥282.4
4,900In Stock
3,000Expected 8/27/2026

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

4,900In Stock

3,000Expected 8/27/2026

Cut Tape

¥282.4

¥215.9

¥179.4

¥164.6

Reel

¥143.8

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

JLLS250.X
Littelfuse
1: ¥36,055.3
19In Stock

Mfr. Part #
JLLS250.X

Mouser Part #
576-JLLS250.X

Littelfuse

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

Learn More

Datasheet

19In Stock

¥36,055.3

¥30,894.6

¥28,511.1

¥22,770.6

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

V05E40PL1T
Littelfuse
1: ¥78.1
10,998In Stock

Mfr. Part #
V05E40PL1T

Mouser Part #
576-V05E40PL1T

Littelfuse

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

Learn More

Datasheet

10,998In Stock

Cut Tape

¥78.1

¥48.3

¥41.9

¥38.7

Reel

¥30.7

View

Min.: 1
Mult.: 1

: 1,000

Varistors 40V 5mm Epoxy UltraMOV

V05E40PL2T5
Littelfuse
1: ¥68.1
10,000In Stock

Mfr. Part #
V05E40PL2T5

Mouser Part #
576-V05E40PL2T5

Littelfuse

Varistors 40V 5mm Epoxy UltraMOV

Learn More

Datasheet

10,000In Stock

Cut Tape

¥68.1

¥42.2

¥36.5

¥33.9

¥32.2

Reel

¥27.1

Min.: 1
Mult.: 1

: 1,000

Varistors 275V 450pF

V275LA20CP
Littelfuse
1: ¥156.1
5,126In Stock

Mfr. Part #
V275LA20CP

Mouser Part #
576-V275LA20CP

Littelfuse

Varistors 275V 450pF

Learn More

Datasheet

5,126In Stock

¥156.1

¥112.4

¥101.5

¥89.5

View

Min.: 1
Mult.: 1

Varistors 300V

V300LA40CP
Littelfuse
1: ¥235.9
2,063In Stock
2,000Expected 10/2/2026

Mfr. Part #
V300LA40CP

Mouser Part #
576-V300LA40CP

Littelfuse

Varistors 300V

Learn More

Datasheet

2,063In Stock

2,000Expected 10/2/2026

¥235.9

¥174.4

¥157.3

¥147.3

¥134

Min.: 1
Mult.: 1

Varistors 320V

V320LA40CP
Littelfuse
1: ¥184.4
2,413In Stock

Mfr. Part #
V320LA40CP

Mouser Part #
576-V320LA40CP

Littelfuse

Varistors 320V

Learn More

Datasheet

2,413In Stock

¥184.4

¥133.2

¥120.6

¥106.8

¥100.8

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR LEAD FREE

V625LA80CP
Littelfuse
1: ¥461.8
1,200In Stock

Mfr. Part #
V625LA80CP

Mouser Part #
576-V625LA80CP

Littelfuse

Varistors RADIAL VARISTOR LEAD FREE

Learn More

Datasheet

1,200In Stock

¥461.8

¥347.1

¥318.9

¥285.7

Min.: 1
Mult.: 1

Varistors 130V to 1000V LA Varistor

V680LA100CP
Littelfuse
1: ¥461.8
1,803In Stock

Mfr. Part #
V680LA100CP

Mouser Part #
576-V680LA100CP

Littelfuse

Varistors 130V to 1000V LA Varistor

Learn More

Datasheet

1,803In Stock

¥461.8

¥347.1

¥318.9

¥285.7

Min.: 1
Mult.: 1

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

SMD030F-2018-2
Littelfuse
1: ¥93
6,839In Stock

Mfr. Part #
SMD030F-2018-2

Mouser Part #
650-SMD030F-2018-2

Littelfuse

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

Learn More

Datasheet

6,839In Stock

Cut Tape

¥93

¥80.6

¥71.1

¥66.3

View

Reel

¥43

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC .5A 60V 10A Imax

SMD050F-2
Littelfuse
1: ¥88
85,428In Stock

Mfr. Part #
SMD050F-2

Mouser Part #
650-SMD050F-2

Littelfuse

Resettable Fuses - PPTC .5A 60V 10A Imax

Learn More

Datasheet

85,428In Stock

Cut Tape

¥88

¥81.2

¥67.4

¥62.3

Reel

¥42.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

SMD075F-2
Littelfuse
1: ¥93
15,888In Stock
18,000Expected 11/30/2026

Mfr. Part #
SMD075F-2

Mouser Part #
650-SMD075F-2

Littelfuse

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

Learn More

Datasheet

15,888In Stock

18,000Expected 11/30/2026

Cut Tape

¥93

¥84.5

¥70.3

¥64.8

Reel

¥39.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 30V 40A IMAX

SMD100F-2
Littelfuse
1: ¥88
27,447In Stock
44,000Expected 9/15/2026

Mfr. Part #
SMD100F-2

Mouser Part #
650-SMD100F-2

Littelfuse

Resettable Fuses - PPTC 30V 40A IMAX

Learn More

Datasheet

27,447In Stock

44,000Expected 9/15/2026

Cut Tape

¥88

¥81.2

¥67.4

¥62.3

Reel

¥42.5

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.1A 33V 40A Imax

SMD100F/33-2
Littelfuse
1: ¥103
6,279In Stock

Mfr. Part #
SMD100F/33-2

Mouser Part #
650-SMD100F/33-2

Littelfuse

Resettable Fuses - PPTC 1.1A 33V 40A Imax

Learn More

Datasheet

6,279In Stock

Cut Tape

¥103

¥94

¥78.1

¥72.1

View

Reel

¥43.4

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2018-2
Littelfuse
1: ¥114.6
15,280In Stock

Mfr. Part #
SMD150F-2018-2

Mouser Part #
650-SMD150F-2018-2

Littelfuse

Resettable Fuses - PPTC 1.5A 15V 40A Imax

Learn More

Datasheet

15,280In Stock

Cut Tape

¥114.6

¥104

¥86.7

¥76.7

View

Reel

¥44.3

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Resettable Fuses - PPTC 1.5A 33V 40A Imax

SMD150F/33-2
Littelfuse
1: ¥99.7
10,732In Stock

Mfr. Part #
SMD150F/33-2

Mouser Part #
650-SMD150F/33-2

Littelfuse

Resettable Fuses - PPTC 1.5A 33V 40A Imax

Learn More

Datasheet

10,732In Stock

Cut Tape

¥99.7

¥91.2

¥75.7

¥69.6

Reel

¥48.3

View

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: ¥111.3
5,838In 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

5,838In Stock

Cut Tape

¥111.3

¥101.8

¥84.5

¥78.1

Reel

¥47

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 2A 15V 40A Imax

SMD200F-2
Littelfuse
1: ¥111.3
7,590In Stock
12,000Expected 9/2/2026

Mfr. Part #
SMD200F-2

Mouser Part #
650-SMD200F-2

Littelfuse

Resettable Fuses - PPTC 2A 15V 40A Imax

Learn More

Datasheet

7,590In Stock

12,000Expected 9/2/2026

Cut Tape

¥111.3

¥101.8

¥84.5

¥78.1

Reel

¥48.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 2.5A 15V 40A Imax

SMD250F-2
Littelfuse
1: ¥99.7
10,081In Stock

Mfr. Part #
SMD250F-2

Mouser Part #
650-SMD250F-2

Littelfuse

Resettable Fuses - PPTC 2.5A 15V 40A Imax

Learn More

Datasheet

10,081In Stock

Cut Tape

¥99.7

¥91.2

¥75.7

¥69.9

Reel

¥43.7

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC 3A 6V 40A Imax

SMD300F-2
Littelfuse
1: ¥116.3
6,698In Stock

Mfr. Part #
SMD300F-2

Mouser Part #
650-SMD300F-2

Littelfuse

Resettable Fuses - PPTC 3A 6V 40A Imax

Learn More

Datasheet

6,698In Stock

Cut Tape

¥116.3

¥104.8

¥88.4

¥78.6

Reel

¥49.2

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 15V 40A 0.05Ohms

SMD300F/15-2
Littelfuse
1: ¥117.9
6,101In Stock

Mfr. Part #
SMD300F/15-2

Mouser Part #
650-SMD300F/15-2

Littelfuse

Resettable Fuses - PPTC 15V 40A 0.05Ohms

Learn More

Datasheet

6,101In Stock

Cut Tape

¥117.9

¥104.6

¥89.7

¥82.9

Reel

¥49.8

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Communications Infrastructure Solutions

All Results (775)

Circuit Protection

Industrial Automation

Semiconductors