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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 (1,014)

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Part #

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

SMD030F-2018-2
Littelfuse
1: $0.59
4,598In Stock

Mfr. Part No.
SMD030F-2018-2

Mouser Part No
650-SMD030F-2018-2

Littelfuse

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

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Datasheet

4,598In Stock

Cut Tape

$0.59

$0.541

$0.449

$0.414

View

Reel

$0.241

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 30V 40A IMAX

SMD100F-2
Littelfuse
1: $0.45
3,909In Stock
7,448Expected 25/03/2026

Mfr. Part No.
SMD100F-2

Mouser Part No
650-SMD100F-2

Littelfuse

Resettable Fuses - PPTC 30V 40A IMAX

Learn More

Datasheet

3,909In Stock

7,448Expected 25/03/2026

Cut Tape

$0.45

$0.412

$0.342

$0.316

View

Reel

$0.214

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.25A 15V 40A Imax

SMD125F-2
Littelfuse
1: $0.45
2,473In Stock

Mfr. Part No.
SMD125F-2

Mouser Part No
650-SMD125F-2

Littelfuse

Resettable Fuses - PPTC 1.25A 15V 40A Imax

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Datasheet

2,473In Stock

Cut Tape

$0.45

$0.435

$0.361

$0.333

View

Reel

$0.24

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2
Littelfuse
1: $0.55
1,963In Stock

Mfr. Part No.
SMD150F-2

Mouser Part No
650-SMD150F-2

Littelfuse

Resettable Fuses - PPTC 1.5A 15V 40A Imax

Learn More

Datasheet

1,963In Stock

Cut Tape

$0.55

$0.505

$0.419

$0.387

Reel

$0.24

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 1.5A 15V 40A Imax

SMD150F-2018-2
Littelfuse
1: $0.58
4,000In Stock
8,000Expected 02/03/2026

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

4,000In Stock

8,000Expected 02/03/2026

Cut Tape

$0.58

$0.521

$0.436

$0.396

View

Reel

$0.246

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

SMD150F/33-2920-2
Littelfuse
1: $0.58
2,514In 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

2,514In Stock

Cut Tape

$0.58

$0.535

$0.444

$0.41

Reel

$0.259

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 2A 6V 40A Imax

SMD200F-2018-2
Littelfuse
1: $0.56
1,204In Stock

Mfr. Part No.
SMD200F-2018-2

Mouser Part No
650-SMD200F-2018-2

Littelfuse

Resettable Fuses - PPTC 2A 6V 40A Imax

Learn More

Datasheet

1,204In Stock

Cut Tape

$0.56

$0.441

$0.42

$0.389

$0.266

Reel

$0.259

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Resettable Fuses - PPTC 2.6A 6V 40A Imax

SMD260F-2
Littelfuse
1: $0.60
3,872In Stock

Mfr. Part No.
SMD260F-2

Mouser Part No
650-SMD260F-2

Littelfuse

Resettable Fuses - PPTC 2.6A 6V 40A Imax

Learn More

Datasheet

3,872In Stock

Cut Tape

$0.60

$0.545

$0.454

$0.429

Reel

$0.271

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 3A 6V 40A Imax

SMD300F-2
Littelfuse
1: $0.58
2,198In Stock
4,000Expected 02/03/2026

Mfr. Part No.
SMD300F-2

Mouser Part No
650-SMD300F-2

Littelfuse

Resettable Fuses - PPTC 3A 6V 40A Imax

Learn More

Datasheet

2,198In Stock

4,000Expected 02/03/2026

Cut Tape

$0.58

$0.527

$0.445

$0.407

Reel

$0.262

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 15V 40A 0.05Ohms

SMD300F/15-2
Littelfuse
1: $0.59
3,032In Stock

Mfr. Part No.
SMD300F/15-2

Mouser Part No
650-SMD300F/15-2

Littelfuse

Resettable Fuses - PPTC 15V 40A 0.05Ohms

Learn More

Datasheet

3,032In Stock

Cut Tape

$0.59

$0.522

$0.472

$0.435

Reel

$0.275

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.2A 16V 50A Imax

SMDH120-2
Littelfuse
1: $0.62
2,120In Stock

Mfr. Part No.
SMDH120-2

Mouser Part No
650-SMDH120-2

Littelfuse

Resettable Fuses - PPTC 1.2A 16V 50A Imax

Learn More

Datasheet

2,120In Stock

Cut Tape

$0.62

$0.57

$0.481

$0.444

View

Reel

$0.309

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Resettable Fuses - PPTC 1.6A 16V 40A Imax

SMDH160-2
Littelfuse
1: $0.72
1,685In Stock

Mfr. Part No.
SMDH160-2

Mouser Part No
650-SMDH160

Littelfuse

Resettable Fuses - PPTC 1.6A 16V 40A Imax

Learn More

Datasheet

Product Comments

1,685In Stock

Cut Tape

$0.72

$0.661

$0.549

$0.506

Reel

$0.398

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Varistors 22V 2000A 12000pF

V36RA22
Littelfuse
1: $6.81
119In Stock

Mfr. Part No.
V36RA22

Mouser Part No
576-V36RA22

Littelfuse

Varistors 22V 2000A 12000pF

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Datasheet

119In Stock

$6.81

$5.99

$5.66

$4.90

$4.65

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

V05E40PL1T
Littelfuse
1: $0.69
998In Stock
10,000Expected 30/03/2026

Mfr. Part No.
V05E40PL1T

Mouser Part No
576-V05E40PL1T

Littelfuse

Varistors RADIAL VARISTOR 05MM ROHS/LEAD FREE

Learn More

Datasheet

998In Stock

10,000Expected 30/03/2026

Cut Tape

$0.69

$0.419

$0.277

$0.257

Reel

$0.175

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 140V 7mm Epoxy UltraMOV

V07E140PL1T
Littelfuse
1: $0.78
2,876In Stock

Mfr. Part No.
V07E140PL1T

Mouser Part No
576-V07E140PL1T

Littelfuse

Varistors 140V 7mm Epoxy UltraMOV

Learn More

Datasheet

Product Comments

2,876In Stock

Cut Tape

$0.78

$0.467

$0.323

$0.30

Reel

$0.198

View

Min.: 1
Mult.: 1

Reel: 1,000

Varistors 60V 10mm Epoxy UltraMOV

V10E60P
Littelfuse
1: $0.78
1,214In Stock

Mfr. Part No.
V10E60P

Mouser Part No
576-V10E60P

Littelfuse

Varistors 60V 10mm Epoxy UltraMOV

Learn More

Datasheet

1,214In Stock

$0.78

$0.47

$0.325

$0.302

View

Min.: 1
Mult.: 1

Varistors RADIAL VARISTOR 14MM ROHS / PB FREE

V250LA10CP
Littelfuse
1: $1.35
1,345In Stock

Mfr. Part No.
V250LA10CP

Mouser Part No
576-V250LA10CP

Littelfuse

Varistors RADIAL VARISTOR 14MM ROHS / PB FREE

Learn More

Datasheet

1,345In Stock

$1.35

$0.834

$0.743

$0.61

View

Min.: 1
Mult.: 1

Varistors 4500A 120V 1700pF

V120RA16
Littelfuse
1: $6.28
160In Stock

Mfr. Part No.
V120RA16

Mouser Part No
576-V120RA16

Littelfuse

Varistors 4500A 120V 1700pF

Learn More

Datasheet

160In Stock

$6.28

$5.39

$5.09

$4.41

$4.19

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: $1.19
61,722Expected 08/04/2026

Mfr. Part No.
SRV05-4HTG-D

Mouser Part No
576-SRV05-4HTG-D

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Learn More

Datasheet

61,722Expected 08/04/2026

Cut Tape

$1.19

$0.799

$0.531

$0.413

Reel

$0.324

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 1KA 380V BI

AK1-380C-Y
Littelfuse
1: $31.18
270On Order

Mfr. Part No.
AK1-380C-Y

Mouser Part No
576-AK1-380C-Y

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL KA RATED - 1KA 380V BI

Learn More

Datasheet

270On Order

$31.18

$25.19

$22.50

Min.: 1
Mult.: 1

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

CG41.0SM
Littelfuse
1: $1.79
3,234On Order

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

3,234On Order

Cut Tape

$1.79

$1.53

$1.44

$1.18

View

Reel

$0.787

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

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

0881070.UR
Littelfuse
1: $9.37
1,000On Order

Mfr. Part No.
0881070.UR

Mouser Part No
576-0881070.UR

Littelfuse

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

Learn More

Datasheet

1,000On Order

Cut Tape

$9.37

$8.92

$8.58

$6.60

View

Reel

$5.19

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses FUSE 75V HA F/A NANO2 Pb-Free 70A

0881070.URF
Littelfuse
1: $9.37
700Expected 06/04/2026

Mfr. Part No.
0881070.URF

Mouser Part No
576-0881070.URF

Littelfuse

Surface Mount Fuses FUSE 75V HA F/A NANO2 Pb-Free 70A

Learn More

Datasheet

700Expected 06/04/2026

Cut Tape

$9.37

$8.92

$8.58

$6.60

View

Reel

$5.19

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 17V 5% Uni-Directional

SMDJ17A-T7
Littelfuse
1: $0.89
3In Stock

Mfr. Part No.
SMDJ17A-T7

Mouser Part No
576-SMDJ17A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 17V 5% Uni-Directional

Learn More

Datasheet

3In Stock

Cut Tape

$0.89

$0.726

$0.565

Reel

$0.407

$0.377

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 30V 5% Bi-Directional

SMDJ30CA
Littelfuse
1: $0.93
8,828On Order

Mfr. Part No.
SMDJ30CA

Mouser Part No
576-SMDJ30CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 30V 5% Bi-Directional

Learn More

Datasheet

8,828On Order

Cut Tape

$0.93

$0.691

$0.609

$0.548

$0.498

Reel

$0.477

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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