.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 #

Surface Mount Fuses 100A 75V FAST ACTING

0881100.URF
Littelfuse
1: S/100.15
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

S/100.15

S/83.10

S/76.68

S/63.56

View

Reel

S/53.09

Min.: 1
Mult.: 1

: 500

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

SMD030F-2018-2
Littelfuse
1: S/2.26
7,339In Stock

Mfr. Part #
SMD030F-2018-2

Mouser Part #
650-SMD030F-2018-2

Littelfuse

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

Learn More

Datasheet

7,339In Stock

Cut Tape

S/2.26

S/1.93

S/1.71

S/1.57

View

Reel

S/1.01

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Cartridge Fuses 40A 500V

0606040.UXTHP
Littelfuse
1: S/49.63
598In Stock

Mfr. Part #
0606040.UXTHP

Mouser Part #
576-0606040.UXTHP

Littelfuse

Cartridge Fuses 40A 500V

Learn More

Datasheet

598In Stock

S/49.63

S/27.68

S/26.24

S/24.80

S/24.76

Min.: 1
Mult.: 1

Cartridge Fuses 63A 500V

0606063.UXTHP
Littelfuse
1: S/65.16
468In Stock

Mfr. Part #
0606063.UXTHP

Mouser Part #
576-0606063.UXTHP

Littelfuse

Cartridge Fuses 63A 500V

Learn More

Datasheet

468In Stock

S/65.16

S/54.11

S/49.90

S/41.38

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE

V07E25PL2T
Littelfuse
1: S/1.13
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

S/1.13

S/0.771

S/0.701

Reel

S/0.701

Min.: 1
Mult.: 1

: 1,000

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

V420LA40CP
Littelfuse
1: S/2.76
2,452In Stock

Mfr. Part #
V420LA40CP

Mouser Part #
576-V420LA40CP

Littelfuse

Varistors RADIAL VARISTOR 20MM ROHS / LEAD FREE

Learn More

Datasheet

2,452In Stock

S/2.76

S/2.18

S/2.05

S/2.00

Min.: 1
Mult.: 1

NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: S/2.88
3,500On Order

Mfr. Part #
KR502F0J

Mouser Part #
576-KR502F0J

Littelfuse

NTC Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

Learn More

Datasheet

3,500On Order

S/2.88

S/2.73

S/2.55

S/2.43

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

SP3420-04UTG
Littelfuse
1: S/6.03
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

S/6.03

S/3.81

S/2.53

S/1.98

Reel

S/1.35

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Varistors 820V 2500pF

V550LA80CP
Littelfuse
1: S/4.09
9,242In Stock

Mfr. Part #
V550LA80CP

Mouser Part #
576-V550LA80CP

Littelfuse

Varistors 820V 2500pF

Learn More

Datasheet

9,242In Stock

S/4.09

S/3.38

S/3.17

S/3.09

S/3.08

Min.: 1
Mult.: 1

Varistors 275V 7mm Epoxy UltraMOV

V07E275PL2B
Littelfuse
1: S/3.15
3,544In Stock

Mfr. Part #
V07E275PL2B

Mouser Part #
576-V07E275PL2B

Littelfuse

Varistors 275V 7mm Epoxy UltraMOV

Learn More

Datasheet

3,544In Stock

S/3.15

S/1.88

S/1.74

S/1.39

View

Min.: 1
Mult.: 1

Varistors 25V 14mm Phenolic UltraMOV

V14P25P
Littelfuse
1: S/5.33
847In Stock

Mfr. Part #
V14P25P

Mouser Part #
576-V14P25P

Littelfuse

Varistors 25V 14mm Phenolic UltraMOV

Learn More

Datasheet

847In Stock

S/5.33

S/3.27

S/2.91

S/2.39

View

Min.: 1
Mult.: 1

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

JLLS450.XXP
Littelfuse
1: S/1,975.25
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

S/1,975.25

S/1,669.18

S/1,628.00

Quote

Min.: 1
Mult.: 1

Varistors 14V 5mm Epoxy UltraMOV

V05E14P
Littelfuse
1: S/2.76
4,357In Stock

Mfr. Part #
V05E14P

Mouser Part #
576-V05E14P

Littelfuse

Varistors 14V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,357In Stock

S/2.76

S/1.63

S/1.13

S/1.05

View

Min.: 1
Mult.: 1

Varistors 95V 5mm Epoxy UltraMOV

V05E95P
Littelfuse
1: S/2.69
4,400In Stock

Mfr. Part #
V05E95P

Mouser Part #
576-V05E95P

Littelfuse

Varistors 95V 5mm Epoxy UltraMOV

Learn More

Datasheet

4,400In Stock

S/2.69

S/1.60

S/1.06

S/0.985

View

Min.: 1
Mult.: 1

Varistors 17V 20mm Phenolic UltraMOV

V20P17P
Littelfuse
1: S/6.66
784In Stock

Mfr. Part #
V20P17P

Mouser Part #
576-V20P17P

Littelfuse

Varistors 17V 20mm Phenolic UltraMOV

Learn More

Datasheet

784In Stock

S/6.66

S/4.13

S/3.78

S/3.10

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS040.TXV
Littelfuse
1: S/166.33
10In Stock

Mfr. Part #
0TLS040.TXV

Mouser Part #
576-0TLS040.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

10In Stock

S/166.33

S/137.99

S/133.59

S/114.36

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 15A 170VDC

0TLS015.T
Littelfuse
1: S/127.67
22In Stock

Mfr. Part #
0TLS015.T

Mouser Part #
576-0TLS015.T

Littelfuse

Industrial & Electrical Fuses 15A 170VDC

Learn More

Datasheet

22In Stock

S/127.67

S/105.95

S/99.03

S/85.99

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS020.TXV
Littelfuse
1: S/187.81
60In Stock

Mfr. Part #
0TLS020.TXV

Mouser Part #
576-0TLS020.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

60In Stock

S/187.81

S/127.25

S/105.41

S/103.74

View

Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: S/3.04
3,728In Stock

Mfr. Part #
V05P11P

Mouser Part #
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

Learn More

Datasheet

3,728In Stock

S/3.04

S/1.81

S/1.25

S/1.16

View

Min.: 1
Mult.: 1

Varistors 23V 5mm Phenolic UltraMOV

V05P23P
Littelfuse
1: S/3.04
4,120In Stock

Mfr. Part #
V05P23P

Mouser Part #
576-V05P23P

Littelfuse

Varistors 23V 5mm Phenolic UltraMOV

Learn More

Datasheet

4,120In Stock

S/3.04

S/1.81

S/1.25

S/1.16

View

Min.: 1
Mult.: 1

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

JLLS006.T
Littelfuse
1: S/139.47
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

S/139.47

S/119.97

S/98.29

View

Min.: 1
Mult.: 1

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

JLLS030.TXP
Littelfuse
1: S/138.14
7In Stock

Mfr. Part #
JLLS030.TXP

Mouser Part #
576-JLLS030.TXP

Littelfuse

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

Learn More

Datasheet

7In Stock

S/138.14

S/114.63

S/103.89

S/98.13

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

0TLS060.TXV
Littelfuse
1: S/185.83
3In Stock

Mfr. Part #
0TLS060.TXV

Mouser Part #
576-0TLS060.TXV

Littelfuse

Industrial & Electrical Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

3In Stock

S/185.83

S/143.83

S/124.09

S/113.70

View

Min.: 1
Mult.: 1

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

JLLS300.X
Littelfuse
1: S/910.65
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

S/910.65

S/764.33

S/727.47

S/697.57

Min.: 1
Mult.: 1

Varistors 30V 5mm Phenolic UltraMOV

V05P30P
Littelfuse
1: S/3.04
58In Stock

Mfr. Part #
V05P30P

Mouser Part #
576-V05P30P

Littelfuse

Varistors 30V 5mm Phenolic UltraMOV

Learn More

Datasheet

58In Stock

S/3.04

S/1.81

S/1.25

S/1.16

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

All Results (775)

Customer Service Office

Company

Resources

Support

Communications Infrastructure Solutions

All Results (775)

Circuit Protection

Industrial Automation

Semiconductors