.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; }

Select a category below to see filtering options and narrow down your search.

Part #

Cartridge Fuses 50A 500V

0606050.UXTHP
Littelfuse
1: $20.68
1,890In Stock

Mfr. Part #
0606050.UXTHP

Mouser Part #
576-0606050.UXTHP

Littelfuse

Cartridge Fuses 50A 500V

Learn More

Datasheet

1,890In Stock

$20.68

$17.16

$15.84

$13.13

View

Min.: 1
Mult.: 1

Varistors 820V 2500pF

V550LA80CP
Littelfuse
1: $2.74
9,257In Stock

Mfr. Part #
V550LA80CP

Mouser Part #
576-V550LA80CP

Littelfuse

Varistors 820V 2500pF

Learn More

Datasheet

9,257In Stock

$2.74

$2.02

$1.83

$1.56

View

Min.: 1
Mult.: 1

Surface Mount Fuses 100A 75V FAST ACTING

0881100.URF
Littelfuse
1: $37.01
303In Stock

Mfr. Part #
0881100.URF

Mouser Part #
576-0881100.URF

Littelfuse

Surface Mount Fuses 100A 75V FAST ACTING

Learn More

Datasheet

303In Stock

Cut Tape

$37.01

$30.70

$28.32

$23.47

View

Reel

$19.64

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

SP3420-04UTG
Littelfuse
1: $2.23
33,981In Stock

Mfr. Part #
SP3420-04UTG

Mouser Part #
576-SP3420-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

Learn More

Datasheet

33,981In Stock

Cut Tape

$2.23

$1.41

$0.935

$0.733

$0.665

Reel

$0.567

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Cartridge Fuses 63A 500V

0606063.UXTHP
Littelfuse
1: $24.11
478In Stock

Mfr. Part #
0606063.UXTHP

Mouser Part #
576-0606063.UXTHP

Littelfuse

Cartridge Fuses 63A 500V

Learn More

Datasheet

478In Stock

$24.11

$20.02

$18.46

$15.31

View

Min.: 1
Mult.: 1

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

CG41.2SM
Littelfuse
1: $2.45
1,905In Stock

Mfr. Part #
CG41.2SM

Mouser Part #
576-CG41.2SM

Littelfuse

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

Learn More

Datasheet

1,905In Stock

Cut Tape

$2.45

$1.87

$1.56

$1.43

Reel

$1.18

$1.09

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

V07E25PL2T
Littelfuse
1: $0.418
9,580In Stock

Mfr. Part #
V07E25PL2T

Mouser Part #
576-V07E25PL2T

Littelfuse

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

Learn More

Datasheet

9,580In Stock

Cut Tape

$0.418

$0.308

Reel

$0.308

Min.: 1
Mult.: 1

: 1,000

Varistors 40V 14mm Epoxy UltraMOV

V14E40PL1T
Littelfuse
1: $0.749
5,097In Stock

Mfr. Part #
V14E40PL1T

Mouser Part #
576-V14E40PL1T

Littelfuse

Varistors 40V 14mm Epoxy UltraMOV

Learn More

Datasheet

5,097In Stock

Cut Tape

$0.749

$0.528

$0.472

$0.461

Reel

$0.459

View

Min.: 1
Mult.: 1

: 500

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

V420LA40CP
Littelfuse
1: $1.56
2,452In Stock

Mfr. Part #
V420LA40CP

Mouser Part #
576-V420LA40CP

Littelfuse

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

Learn More

Datasheet

2,452In Stock

$1.56

$1.12

$1.02

$0.899

View

Min.: 1
Mult.: 1

Varistors 500pF

V510LA80CP
Littelfuse
1: $2.28
2,080In Stock

Mfr. Part #
V510LA80CP

Mouser Part #
576-V510LA80CP

Littelfuse

Varistors 500pF

Learn More

Datasheet

2,080In Stock

$2.28

$1.67

$1.53

$1.30

Min.: 1
Mult.: 1

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

JLLS300.X
Littelfuse
1: $336.74
5In Stock

Mfr. Part #
JLLS300.X

Mouser Part #
576-JLLS300.X

Littelfuse

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

Learn More

Datasheet

5In Stock

$336.74

$279.16

$251.19

$240.36

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC F/A TELECOM 60A PCB MOUNT

0TLS060.TXLS
Littelfuse
10: $47.29
390In Stock

Mfr. Part #
0TLS060.TXLS

Mouser Part #
576-0TLS060.TXLS

Littelfuse

Industrial & Electrical Fuses 170 VDC F/A TELECOM 60A PCB MOUNT

Learn More

Datasheet

390In Stock

$47.29

$39.17

$36.09

$34.04

$34.03

Min.: 10
Mult.: 10

Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T

JLLS450.XXP
Littelfuse
1: $730.64
2In Stock

Mfr. Part #
JLLS450.XXP

Mouser Part #
576-JLLS450.XXP

Littelfuse

Industrial & Electrical Fuses 450A 600VAC 300VDC CLASS T

Learn More

Datasheet

2In Stock

$730.64

$584.86

$569.53

Quote

Min.: 1
Mult.: 1

Varistors 14V 5mm Epoxy UltraMOV

V05E14P
Littelfuse
1: $1.02
4,357In Stock

Mfr. Part #
V05E14P

Mouser Part #
576-V05E14P

Littelfuse

Varistors 14V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,357In Stock

$1.02

$0.605

$0.419

$0.389

View

Min.: 1
Mult.: 1

Varistors 95V 5mm Epoxy UltraMOV

V05E95P
Littelfuse
1: $0.994
4,430In Stock

Mfr. Part #
V05E95P

Mouser Part #
576-V05E95P

Littelfuse

Varistors 95V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,430In Stock

$0.994

$0.593

$0.393

$0.364

View

Min.: 1
Mult.: 1

Varistors 17V 20mm Phenolic UltraMOV

V20P17P
Littelfuse
1: $2.46
784In Stock

Mfr. Part #
V20P17P

Mouser Part #
576-V20P17P

Littelfuse

Varistors 17V 20mm Phenolic UltraMOV

Learn More

Datasheet

784In Stock

$2.46

$1.53

$1.40

$1.15

View

Min.: 1
Mult.: 1

Varistors 275V 7mm Epoxy UltraMOV

V07E275PL2B
Littelfuse
1: $1.17
3,544In Stock

Mfr. Part #
V07E275PL2B

Mouser Part #
576-V07E275PL2B

Littelfuse

Varistors 275V 7mm Epoxy UltraMOV

Learn More

Datasheet

3,544In Stock

$1.17

$0.697

$0.642

$0.514

View

Min.: 1
Mult.: 1

Varistors 25V 14mm Phenolic UltraMOV

V14P25P
Littelfuse
1: $1.97
847In Stock

Mfr. Part #
V14P25P

Mouser Part #
576-V14P25P

Littelfuse

Varistors 25V 14mm Phenolic UltraMOV

Learn More

Datasheet

847In Stock

$1.97

$1.21

$1.08

$0.884

View

Min.: 1
Mult.: 1

SCR Modules Dual Diode Modules Power Device

MDD175-34N1
IXYS
1: $603.26
2In Stock

Mfr. Part #
MDD175-34N1

Mouser Part #
747-MDD175-34N1

IXYS

SCR Modules Dual Diode Modules Power Device

Learn More

Datasheet

2In Stock

$603.26

$495.78

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS040.TXV
Littelfuse
1: $69.48
10In Stock

Mfr. Part #
0TLS040.TXV

Mouser Part #
576-0TLS040.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

10In Stock

$69.48

$49.42

$42.00

$40.94

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 170VDC

0TLS015.T
Littelfuse
1: $51.52
22In Stock

Mfr. Part #
0TLS015.T

Mouser Part #
576-0TLS015.T

Littelfuse

Industrial & Electrical Fuses 15A 170VDC

Learn More

Datasheet

22In Stock

$51.52

$36.63

$31.64

$30.59

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS020.TXV
Littelfuse
1: $69.48
60In Stock

Mfr. Part #
0TLS020.TXV

Mouser Part #
576-0TLS020.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

60In Stock

$69.48

$47.07

$39.00

$38.38

View

Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: $1.12
3,728In Stock

Mfr. Part #
V05P11P

Mouser Part #
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

Learn More

Datasheet

3,728In Stock

$1.12

$0.67

$0.464

$0.431

View

Min.: 1
Mult.: 1

Varistors 23V 5mm Phenolic UltraMOV

V05P23P
Littelfuse
1: $1.12
4,120In Stock

Mfr. Part #
V05P23P

Mouser Part #
576-V05P23P

Littelfuse

Varistors 23V 5mm Phenolic UltraMOV

Learn More

Datasheet

4,120In Stock

$1.12

$0.67

$0.464

$0.431

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

JLLS006.T
Littelfuse
1: $51.60
1In Stock

Mfr. Part #
JLLS006.T

Mouser Part #
576-JLLS006.T

Littelfuse

Industrial & Electrical Fuses 6A 600VAC 300VDC Class T

Learn More

Datasheet

1In Stock

$51.60

$44.38

$36.36

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

All Results (775)

Mouser Electronics®

Company

Resources

Support

Communications Infrastructure Solutions

All Results (775)

Circuit Protection

Industrial Automation

Semiconductors