.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 (1,136)

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 #

Varistors 17V 20mm Phenolic UltraMOV

V20P17P
Littelfuse
1: $1.52
785In Stock

Mfr. Part No.
V20P17P

Mouser Part No
576-V20P17P

Littelfuse

Varistors 17V 20mm Phenolic UltraMOV

Learn More

Datasheet

785In Stock

$1.52

$0.934

$0.832

$0.684

View

Min.: 1
Mult.: 1

Specialty Fuses 170 VDC TELECOM FUSE

0TLS040.TXV
Littelfuse
1: $48.25
10In Stock

Mfr. Part No.
0TLS040.TXV

Mouser Part No
576-0TLS040.TXV

Littelfuse

Specialty Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

10In Stock

$48.25

$29.94

$29.39

$28.92

View

Min.: 1
Mult.: 1

Specialty Fuses 170 VDC TELECOM FUSE

0TLS060.TXV
Littelfuse
1: $43.50
3In Stock

Mfr. Part No.
0TLS060.TXV

Mouser Part No
576-0TLS060.TXV

Littelfuse

Specialty Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

3In Stock

$43.50

$31.89

$27.86

$26.74

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

JLLS400.XXP
Littelfuse
1: $217.72
1In Stock

Mfr. Part No.
JLLS400.XXP

Mouser Part No
576-JLLS400.XXP

Littelfuse

Industrial & Electrical Fuses 400A 600VAC 300VDC CLASS T

Learn More

Datasheet

1In Stock

$217.72

$202.26

$185.44

$178.83

Min.: 1
Mult.: 1

Varistors 30V 5mm Phenolic UltraMOV

V05P30P
Littelfuse
1: $0.69
3,910In Stock

Mfr. Part No.
V05P30P

Mouser Part No
576-V05P30P

Littelfuse

Varistors 30V 5mm Phenolic UltraMOV

Learn More

Datasheet

3,910In Stock

$0.69

$0.411

$0.284

$0.264

View

Min.: 1
Mult.: 1

Varistors 140V 7mm Epoxy UltraMOV

V07E140P
Littelfuse
1: $0.69
3,279In Stock

Mfr. Part No.
V07E140P

Mouser Part No
576-V07E140P

Littelfuse

Varistors 140V 7mm Epoxy UltraMOV

Learn More

Datasheet

3,279In Stock

$0.69

$0.414

$0.274

$0.254

View

Min.: 1
Mult.: 1

Specialty Fuses 15A 170VDC

0TLS015.T
Littelfuse
1: $35.78
22In Stock

Mfr. Part No.
0TLS015.T

Mouser Part No
576-0TLS015.T

Littelfuse

Specialty Fuses 15A 170VDC

Learn More

Datasheet

22In Stock

$35.78

$24.16

$22.39

$20.93

View

Min.: 1
Mult.: 1

Specialty Fuses 170 VDC TELECOM FUSE

0TLS020.TXV
Littelfuse
1: $38.77
60In Stock

Mfr. Part No.
0TLS020.TXV

Mouser Part No
576-0TLS020.TXV

Littelfuse

Specialty Fuses 170 VDC TELECOM FUSE

Learn More

Datasheet

60In Stock

$38.77

$33.29

$26.79

$25.92

View

Min.: 1
Mult.: 1

Specialty Fuses 40A 170VDC

0TLS040.T
Littelfuse
1: $32.27
8In Stock

Mfr. Part No.
0TLS040.T

Mouser Part No
576-0TLS040.T

Littelfuse

Specialty Fuses 40A 170VDC

Learn More

Datasheet

8In Stock

$32.27

$22.83

$21.50

$20.82

View

Min.: 1
Mult.: 1

Varistors 11V 5mm Phenolic UltraMOV

V05P11P
Littelfuse
1: $0.69
3,758In Stock

Mfr. Part No.
V05P11P

Mouser Part No
576-V05P11P

Littelfuse

Varistors 11V 5mm Phenolic UltraMOV

Learn More

Datasheet

3,758In Stock

$0.69

$0.411

$0.284

$0.264

View

Min.: 1
Mult.: 1

Varistors 50V 10mm Phenolic UltraMOV

V10P50P
Littelfuse
1: $0.45
12In Stock

Mfr. Part No.
V10P50P

Mouser Part No
576-V10P50P

Littelfuse

Varistors 50V 10mm Phenolic UltraMOV

Learn More

Datasheet

12In Stock

$0.45

$0.279

$0.201

$0.187

$0.177

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional

SMCJ120A
Littelfuse
1: $0.81
6,065In Stock

Mfr. Part No.
SMCJ120A

Mouser Part No
576-SMCJ120A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 120V 5% Uni-Directional

Learn More

Datasheet

6,065In Stock

Cut Tape

$0.81

$0.438

$0.326

$0.249

Reel

$0.168

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Uni-Directional

SMCJ45A
Littelfuse
1: $0.23
7,085In Stock

Mfr. Part No.
SMCJ45A

Mouser Part No
576-SMCJ45A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Uni-Directional

Learn More

Datasheet

7,085In Stock

Cut Tape

$0.23

$0.19

$0.179

$0.173

$0.172

Reel

$0.141

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 16V 5% Bi-Directional

SMDJ16CA
Littelfuse
1: $0.76
1,913In Stock

Mfr. Part No.
SMDJ16CA

Mouser Part No
576-SMDJ16CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 16V 5% Bi-Directional

Learn More

Datasheet

1,913In Stock

Cut Tape

$0.76

$0.616

$0.497

$0.426

Reel

$0.383

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 95V 20mm Epoxy UltraMOV

V20E95P
Littelfuse
1: $0.42
3,695In Stock

Mfr. Part No.
V20E95P

Mouser Part No
576-V20E95P

Littelfuse

Varistors 95V 20mm Epoxy UltraMOV

Learn More

Datasheet

3,695In Stock

$0.42

$0.331

$0.309

$0.285

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR LEAD FREE

V420LA20CP
Littelfuse
1: $0.87
2,138In Stock

Mfr. Part No.
V420LA20CP

Mouser Part No
576-V420LA20CP

Littelfuse

Varistors RADIAL VARISTOR LEAD FREE

Learn More

Datasheet

2,138In Stock

$0.87

$0.618

$0.557

$0.491

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

KR502F0J
Littelfuse
1: $0.71
2,070In Stock

Mfr. Part No.
KR502F0J

Mouser Part No
576-KR502F0J

Littelfuse

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 5K OHM 5% 0805 SMT

Learn More

Datasheet

2,070In Stock

$0.71

$0.674

$0.63

$0.601

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3kW 8V 5% Bi-Directional

SMDJ8.0CA
Littelfuse
1: $1.51
2,189In Stock

Mfr. Part No.
SMDJ8.0CA

Mouser Part No
576-SMDJ8.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 8V 5% Bi-Directional

Learn More

Datasheet

2,189In Stock

Cut Tape

$1.51

$0.954

$0.635

$0.498

Reel

$0.365

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 20V 10mm Epoxy UltraMOV

V10E20P
Littelfuse
1: $0.33
5,357In Stock

Mfr. Part No.
V10E20P

Mouser Part No
576-V10E20P

Littelfuse

Varistors 20V 10mm Epoxy UltraMOV

Learn More

Datasheet

5,357In Stock

$0.33

$0.258

$0.244

$0.227

View

Min.: 1
Mult.: 1

Varistors 75V 20mm Epoxy UltraMOV

V20E75P
Littelfuse
1: $0.57
3,447In Stock

Mfr. Part No.
V20E75P

Mouser Part No
576-V20E75P

Littelfuse

Varistors 75V 20mm Epoxy UltraMOV

Learn More

Datasheet

3,447In Stock

$0.57

$0.405

$0.364

$0.318

View

Min.: 1
Mult.: 1

Varistors 50V 20mm Phenolic UltraMOV

V20P50P
Littelfuse
1: $0.63
2,817In Stock

Mfr. Part No.
V20P50P

Mouser Part No
576-V20P50P

Littelfuse

Varistors 50V 20mm Phenolic UltraMOV

Learn More

Datasheet

2,817In Stock

$0.63

$0.445

$0.40

$0.35

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 58V 10KA

LTKAK10-058C
Littelfuse
1: $36.39
93In Stock

Mfr. Part No.
LTKAK10-058C

Mouser Part No
576-LTKAK10-058C

Littelfuse

ESD Protection Diodes / TVS Diodes 58V 10KA

Learn More

Datasheet

93In Stock

Cut Tape

$36.39

$33.57

$27.84

Reel

$26.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Varistors 50V 7mm Epoxy UltraMOV

V07E50P
Littelfuse
1: $0.19
10,839In Stock

Mfr. Part No.
V07E50P

Mouser Part No
576-V07E50P

Littelfuse

Varistors 50V 7mm Epoxy UltraMOV

Learn More

Datasheet

10,839In Stock

$0.19

$0.138

$0.127

$0.122

View

Min.: 1
Mult.: 1

Varistors 11V 10mm Epoxy UltraMOV

V10E11P
Littelfuse
1: $0.46
3,291In Stock

Mfr. Part No.
V10E11P

Mouser Part No
576-V10E11P

Littelfuse

Varistors 11V 10mm Epoxy UltraMOV

Learn More

Datasheet

3,291In Stock

$0.46

$0.329

$0.294

$0.258

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 10MM ROHS / LEAD FREE

V275LA10CP
Littelfuse
1: $0.82
2,267In Stock

Mfr. Part No.
V275LA10CP

Mouser Part No
576-V275LA10CP

Littelfuse

Varistors RADIAL VARISTOR 10MM ROHS / LEAD FREE

Learn More

Datasheet

2,267In Stock

$0.82

$0.588

$0.53

$0.523

View

Min.: 1
Mult.: 1

Communications Infrastructure Solutions

All Results (1,136)

Customer Service Office

Company

Resources

Support

Communications Infrastructure Solutions

All Results (1,136)

Circuit Protection

Industrial Automation

Semiconductors