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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 (1,136)

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Part #

ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Uni-Di .20pF 20kV SESD

SESD0402X1UN-0020-090
Littelfuse
1: $0.496
215,543In Stock

Mfr. Part #
SESD0402X1UN-0020-090

Mouser Part #
650-SESD0402X1UN0020

Littelfuse

ESD Protection Diodes / TVS Diodes 1-CH 0402 9V Uni-Di .20pF 20kV SESD

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Datasheet

215,543In Stock

Cut Tape

$0.496

$0.456

$0.398

$0.364

View

Reel

$0.245

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50,000

Surface Mount Fuses FUSE 75V HA NANO2 Pb-Free 125A

0881125.UR
Littelfuse
1: $37.68
689In Stock
500Expected 2026-03-31

Mfr. Part #
0881125.UR

Mouser Part #
576-0881125.UR

Littelfuse

Surface Mount Fuses FUSE 75V HA NANO2 Pb-Free 125A

Learn More

Datasheet

689In Stock

500Expected 2026-03-31

Cut Tape

$37.68

$33.76

$24.57

$22.71

View

Reel

$19.72

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Specialty Fuses 170 VDC F/A TELECOM 60A PCB MOUNT

0TLS060.TXLS
Littelfuse
10: $45.85
400In Stock

Mfr. Part #
0TLS060.TXLS

Mouser Part #
576-0TLS060.TXLS

Littelfuse

Specialty Fuses 170 VDC F/A TELECOM 60A PCB MOUNT

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Datasheet

400In Stock

$45.85

$37.77

$35.08

$32.44

$31.87

Min.: 10
Mult.: 10

ESD Protection Diodes / TVS Diodes ESD 430V BI

AK1-430C-Y
Littelfuse
1: $49.07
223In Stock

Mfr. Part #
AK1-430C-Y

Mouser Part #
576-AK1-430C-Y

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 430V BI

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Datasheet

223In Stock

$49.07

$38.77

$38.75

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1800V 3kA 8/20us UL 1449

CG41.8SM
Littelfuse
1: $2.90
2,000In Stock

Mfr. Part #
CG41.8SM

Mouser Part #
576-CG41.8SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1800V 3kA 8/20us UL 1449

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Datasheet

2,000In Stock

Cut Tape

$2.90

$2.42

$2.23

$1.84

View

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2500V 3kA 8/20us UL 1449

CG42.5SM
Littelfuse
1: $2.36
1,955In Stock

Mfr. Part #
CG42.5SM

Mouser Part #
576-CG42.5SM

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2500V 3kA 8/20us UL 1449

Learn More

Datasheet

1,955In Stock

Cut Tape

$2.36

$2.05

$1.92

$1.60

View

Reel

$1.22

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

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

JLLS250.X
Littelfuse
1: $305.77
14In Stock

Mfr. Part #
JLLS250.X

Mouser Part #
576-JLLS250.X

Littelfuse

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

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Datasheet

14In Stock

$305.77

$260.35

$245.86

$193.58

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V .13pF 20kV

SP0201B-ULC-01UTG
Littelfuse
1: $0.558
26,861In Stock

Mfr. Part #
SP0201B-ULC-01UTG

Mouser Part #
576-SP0201BULC-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V .13pF 20kV

Learn More

Datasheet

26,861In Stock

Cut Tape

$0.558

$0.358

$0.194

$0.183

View

Reel

$0.167

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

ESD Protection Diodes / TVS Diodes 5V .25pF 20kV

SP0402U-ULC-01ETG
Littelfuse
1: $0.713
148,300In Stock

Mfr. Part #
SP0402U-ULC-01ETG

Mouser Part #
576-SP0402UULC-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V .25pF 20kV

Learn More

Datasheet

148,300In Stock

Cut Tape

$0.713

$0.442

$0.281

$0.209

Reel

$0.136

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes 1 Ch 30kV 65pF SPA

SP1003-01DTG
Littelfuse
1: $0.682
63,097In Stock

Mfr. Part #
SP1003-01DTG

Mouser Part #
576-SP1003-01DTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 30kV 65pF SPA

Learn More

Datasheet

63,097In Stock

Cut Tape

$0.682

$0.428

$0.217

$0.214

View

Reel

$0.198

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

ESD Protection Diodes / TVS Diodes 1 Ch 30KV 30pF

SP1003-01ETG
Littelfuse
1: $0.698
64,668In Stock

Mfr. Part #
SP1003-01ETG

Mouser Part #
576-SP1003-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 30KV 30pF

Learn More

Datasheet

64,668In Stock

Cut Tape

$0.698

$0.388

$0.208

$0.188

$0.18

Reel

$0.164

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes 5V .2pF 20kV 4CH

SP1004U-ULC-04UTG
Littelfuse
1: $0.992
23,833In Stock

Mfr. Part #
SP1004U-ULC-04UTG

Mouser Part #
576-SP1004UULC-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V .2pF 20kV 4CH

Learn More

Datasheet

23,833In Stock

Cut Tape

$0.992

$0.742

$0.522

$0.446

$0.401

Reel

$0.318

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array

SP3400-02UTG
Littelfuse
1: $0.605
18,704In Stock
12,000Expected 2026-05-19

Mfr. Part #
SP3400-02UTG

Mouser Part #
576-SP3400-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array

Learn More

Datasheet

18,704In Stock

12,000Expected 2026-05-19

Cut Tape

$0.605

$0.446

$0.44

$0.434

Reel

$0.366

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

SP3420-04UTG
Littelfuse
1: $1.36
36,258In Stock

Mfr. Part #
SP3420-04UTG

Mouser Part #
576-SP3420-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

Learn More

Datasheet

36,258In Stock

Cut Tape

$1.36

$1.12

$0.823

$0.66

$0.623

Reel

$0.581

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

SESD0402X1BN-0015-096
Littelfuse
1: $0.899
36,914In Stock

Mfr. Part #
SESD0402X1BN-0015-096

Mouser Part #
650-SESD0402X1BN0015

Littelfuse

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

Learn More

Datasheet

36,914In Stock

Cut Tape

$0.899

$0.653

$0.477

$0.398

View

Reel

$0.279

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50,000

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

SESD0402X1UN-0030-088
Littelfuse
1: $1.24
54,487In Stock

Mfr. Part #
SESD0402X1UN-0030-088

Mouser Part #
650-SESD0402X1UN0030

Littelfuse

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

Learn More

Datasheet

54,487In Stock

Cut Tape

$1.24

$0.767

$0.494

$0.377

View

Reel

$0.256

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50,000

ESD Protection Diodes / TVS Diodes 4-CH STD 9V Uni-Di .20pF 20kV SESD

SESD1004Q4UG-0020-090
Littelfuse
1: $1.53
7,124In Stock

Mfr. Part #
SESD1004Q4UG-0020-090

Mouser Part #
650-SESD1004Q4UG0020

Littelfuse

ESD Protection Diodes / TVS Diodes 4-CH STD 9V Uni-Di .20pF 20kV SESD

Learn More

Datasheet

7,124In Stock

Cut Tape

$1.53

$1.26

$0.809

$0.761

View

Reel

$0.57

MouseReel Available

Min.: 1
Mult.: 1

Reel: 25,000

Cartridge Fuses 50A 500V

0606050.UXTHP
Littelfuse
1: $17.56
2,202In Stock

Mfr. Part #
0606050.UXTHP

Mouser Part #
576-0606050.UXTHP

Littelfuse

Cartridge Fuses 50A 500V

Learn More

Datasheet

2,202In Stock

$17.56

$14.57

$13.44

$11.14

View

Min.: 1
Mult.: 1

Cartridge Fuses 63A 500V

0606063.UXTHP
Littelfuse
1: $20.48
543In Stock

Mfr. Part #
0606063.UXTHP

Mouser Part #
576-0606063.UXTHP

Littelfuse

Cartridge Fuses 63A 500V

Learn More

Datasheet

543In Stock

$20.48

$16.99

$15.67

$13.00

View

Min.: 1
Mult.: 1

Surface Mount Fuses 75VDC 80A .56ohms 881 NANO2

0881080.UR
Littelfuse
1: $23.76
287In Stock
500Expected 2026-07-02

Mfr. Part #
0881080.UR

Mouser Part #
576-0881080.UR

Littelfuse

Surface Mount Fuses 75VDC 80A .56ohms 881 NANO2

Learn More

Datasheet

287In Stock

500Expected 2026-07-02

Cut Tape

$23.76

$19.81

$18.27

$15.16

View

Reel

$12.38

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 80A 75V FAST ACTING

0881080.URF
Littelfuse
1: $21.48
783In Stock

Mfr. Part #
0881080.URF

Mouser Part #
576-0881080.URF

Littelfuse

Surface Mount Fuses 80A 75V FAST ACTING

Learn More

Datasheet

783In Stock

Cut Tape

$21.48

$17.83

$16.46

$13.64

View

Reel

$12.38

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 75VDC 100A .45ohms 881 NANO2

0881100.UR
Littelfuse
1: $30.33
657In Stock

Mfr. Part #
0881100.UR

Mouser Part #
576-0881100.UR

Littelfuse

Surface Mount Fuses 75VDC 100A .45ohms 881 NANO2

Learn More

Datasheet

657In Stock

Cut Tape

$30.33

$27.59

$24.78

$22.03

Reel

$18.62

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 100A 75V FAST ACTING

0881100.URF
Littelfuse
1: $34.60
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

$34.60

$30.55

$28.01

$23.42

View

Reel

$19.98

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 66V 10KA

LTKAK10-066C
Littelfuse
1: $52.75
376In Stock

Mfr. Part #
LTKAK10-066C

Mouser Part #
576-LTKAK10-066C

Littelfuse

ESD Protection Diodes / TVS Diodes 66V 10KA

Learn More

Datasheet

376In Stock

Cut Tape

$52.75

$48.00

Reel

$47.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

SMCJ12A
Littelfuse
1: $0.791
25,953In Stock

Mfr. Part #
SMCJ12A

Mouser Part #
576-SMCJ12A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 12V 5% Uni-Directional

Learn More

Datasheet

25,953In Stock

Cut Tape

$0.791

$0.512

$0.428

$0.339

Reel

$0.243

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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