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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: $0.32
215,543In Stock

Mfr. Part No.
SESD0402X1UN-0020-090

Mouser Part No
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

$0.32

$0.294

$0.257

$0.235

View

Reel

$0.163

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50,000

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

0881125.UR
Littelfuse
1: $24.32
689In Stock
500Expected 2026/03/31

Mfr. Part No.
0881125.UR

Mouser Part No
576-0881125.UR

Littelfuse

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

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Datasheet

689In Stock

500Expected 2026/03/31

Cut Tape

$24.32

$21.78

$15.85

$14.65

View

Reel

$13.23

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

0TLS060.TXLS
Littelfuse
10: $29.59
400In Stock

Mfr. Part No.
0TLS060.TXLS

Mouser Part No
576-0TLS060.TXLS

Littelfuse

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

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Datasheet

400In Stock

$29.59

$24.38

$22.63

$20.93

$20.56

Min.: 10
Mult.: 10

ESD Protection Diodes / TVS Diodes ESD 430V BI

AK1-430C-Y
Littelfuse
1: $31.67
228In Stock

Mfr. Part No.
AK1-430C-Y

Mouser Part No
576-AK1-430C-Y

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 430V BI

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Datasheet

228In Stock

$31.67

$25.02

$25.00

$24.39

View

Min.: 1
Mult.: 1

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

CG41.8SM
Littelfuse
1: $1.87
2,000In Stock

Mfr. Part No.
CG41.8SM

Mouser Part No
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

$1.87

$1.56

$1.44

$1.19

View

Reel

$0.787

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: $1.52
1,955In Stock

Mfr. Part No.
CG42.5SM

Mouser Part No
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

$1.52

$1.33

$1.24

$1.03

View

Reel

$0.787

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

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

JLLS250.X
Littelfuse
1: $197.30
14In Stock

Mfr. Part No.
JLLS250.X

Mouser Part No
576-JLLS250.X

Littelfuse

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

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Datasheet

14In Stock

$197.30

$168.00

$158.64

$124.92

Min.: 1
Mult.: 1

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

SP0201B-ULC-01UTG
Littelfuse
1: $0.361
26,861In Stock

Mfr. Part No.
SP0201B-ULC-01UTG

Mouser Part No
576-SP0201BULC-01UTG

Littelfuse

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

Learn More

Datasheet

26,861In Stock

Cut Tape

$0.361

$0.231

$0.126

$0.124

Reel

$0.124

MouseReel Available

Min.: 1
Mult.: 1

Reel: 15,000

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

SP0402U-ULC-01ETG
Littelfuse
1: $0.461
148,310In Stock

Mfr. Part No.
SP0402U-ULC-01ETG

Mouser Part No
576-SP0402UULC-01ETG

Littelfuse

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

Learn More

Datasheet

148,310In Stock

Cut Tape

$0.461

$0.285

$0.181

$0.135

View

Reel

$0.091

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

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

SP1003-01DTG
Littelfuse
1: $0.44
63,097In Stock

Mfr. Part No.
SP1003-01DTG

Mouser Part No
576-SP1003-01DTG

Littelfuse

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

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Datasheet

63,097In Stock

Cut Tape

$0.44

$0.276

$0.14

$0.138

View

Reel

$0.128

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

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

SP1003-01ETG
Littelfuse
1: $0.45
65,668In Stock

Mfr. Part No.
SP1003-01ETG

Mouser Part No
576-SP1003-01ETG

Littelfuse

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

Learn More

Datasheet

65,668In Stock

Cut Tape

$0.45

$0.25

$0.134

$0.121

$0.116

Reel

$0.106

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

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

SP1004U-ULC-04UTG
Littelfuse
1: $0.64
23,833In Stock

Mfr. Part No.
SP1004U-ULC-04UTG

Mouser Part No
576-SP1004UULC-04UTG

Littelfuse

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

Learn More

Datasheet

23,833In Stock

Cut Tape

$0.64

$0.479

$0.337

$0.288

$0.259

Reel

$0.237

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: $0.39
18,704In Stock
12,000Expected 2026/05/19

Mfr. Part No.
SP3400-02UTG

Mouser Part No
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

$0.39

$0.288

$0.284

$0.28

$0.279

Reel

$0.238

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

SP3420-04UTG
Littelfuse
1: $0.88
36,258In Stock

Mfr. Part No.
SP3420-04UTG

Mouser Part No
576-SP3420-04UTG

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 3.3V UNI

Learn More

Datasheet

36,258In Stock

Cut Tape

$0.88

$0.723

$0.531

$0.426

$0.402

Reel

$0.376

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

SESD0402X1BN-0015-096
Littelfuse
1: $0.58
36,914In Stock

Mfr. Part No.
SESD0402X1BN-0015-096

Mouser Part No
650-SESD0402X1BN0015

Littelfuse

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

Learn More

Datasheet

36,914In Stock

Cut Tape

$0.58

$0.421

$0.308

$0.257

View

Reel

$0.18

MouseReel Available

Min.: 1
Mult.: 1

Reel: 50,000

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

SESD0402X1UN-0030-088
Littelfuse
1: $0.211
54,537In Stock

Mfr. Part No.
SESD0402X1UN-0030-088

Mouser Part No
650-SESD0402X1UN0030

Littelfuse

ESD Protection Diodes / TVS Diodes Silicon ESD Devices

Learn More

Datasheet

54,537In Stock

Cut Tape

$0.211

$0.181

$0.172

$0.16

View

Reel

$0.15

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: $0.99
7,424In Stock

Mfr. Part No.
SESD1004Q4UG-0020-090

Mouser Part No
650-SESD1004Q4UG0020

Littelfuse

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

Learn More

Datasheet

7,424In Stock

Cut Tape

$0.99

$0.811

$0.522

$0.491

View

Reel

$0.383

MouseReel Available

Min.: 1
Mult.: 1

Reel: 25,000

Cartridge Fuses 50A 500V

0606050.UXTHP
Littelfuse
1: $11.33
2,202In Stock

Mfr. Part No.
0606050.UXTHP

Mouser Part No
576-0606050.UXTHP

Littelfuse

Cartridge Fuses 50A 500V

Learn More

Datasheet

2,202In Stock

$11.33

$9.40

$8.68

$7.19

View

Min.: 1
Mult.: 1

Cartridge Fuses 63A 500V

0606063.UXTHP
Littelfuse
1: $13.21
543In Stock

Mfr. Part No.
0606063.UXTHP

Mouser Part No
576-0606063.UXTHP

Littelfuse

Cartridge Fuses 63A 500V

Learn More

Datasheet

543In Stock

$13.21

$10.97

$10.11

$8.40

View

Min.: 1
Mult.: 1

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

0881080.UR
Littelfuse
1: $15.33
287In Stock
500Expected 2026/07/02

Mfr. Part No.
0881080.UR

Mouser Part No
576-0881080.UR

Littelfuse

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

Learn More

Datasheet

287In Stock

500Expected 2026/07/02

Cut Tape

$15.33

$12.78

$11.79

$9.78

View

Reel

$7.99

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 80A 75V FAST ACTING

0881080.URF
Littelfuse
1: $13.86
783In Stock

Mfr. Part No.
0881080.URF

Mouser Part No
576-0881080.URF

Littelfuse

Surface Mount Fuses 80A 75V FAST ACTING

Learn More

Datasheet

783In Stock

Cut Tape

$13.86

$11.50

$10.62

$8.80

View

Reel

$7.99

Min.: 1
Mult.: 1

Reel: 500

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

0881100.UR
Littelfuse
1: $19.57
657In Stock

Mfr. Part No.
0881100.UR

Mouser Part No
576-0881100.UR

Littelfuse

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

Learn More

Datasheet

657In Stock

Cut Tape

$19.57

$17.81

$16.71

Reel

$16.71

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

Surface Mount Fuses 100A 75V FAST ACTING

0881100.URF
Littelfuse
1: $22.33
303In Stock

Mfr. Part No.
0881100.URF

Mouser Part No
576-0881100.URF

Littelfuse

Surface Mount Fuses 100A 75V FAST ACTING

Learn More

Datasheet

303In Stock

Cut Tape

$22.33

$19.71

$18.07

$15.11

View

Reel

$12.90

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 66V 10KA

LTKAK10-066C
Littelfuse
1: $34.04
376In Stock

Mfr. Part No.
LTKAK10-066C

Mouser Part No
576-LTKAK10-066C

Littelfuse

ESD Protection Diodes / TVS Diodes 66V 10KA

Learn More

Datasheet

376In Stock

Cut Tape

$34.04

$30.97

Reel

$30.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

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

SMCJ12A
Littelfuse
1: $0.511
25,995In Stock

Mfr. Part No.
SMCJ12A

Mouser Part No
576-SMCJ12A

Littelfuse

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

Learn More

Datasheet

25,995In Stock

Cut Tape

$0.511

$0.33

$0.276

$0.219

Reel

$0.157

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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