.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 #

ESD Protection Diodes / TVS Diodes 3kW 33V 5% Bi-Directional

SMDJ33CA
Littelfuse
1: $0.946
35,420In Stock

Mfr. Part #
SMDJ33CA

Mouser Part #
576-SMDJ33CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 33V 5% Bi-Directional

Learn More

Datasheet

35,420In Stock

Cut Tape

$0.946

$0.87

$0.808

$0.77

Reel

$0.671

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD

SESD0201X1UN-0020-090
Littelfuse
1: $1.27
49,607In Stock

Mfr. Part #
SESD0201X1UN-0020-090

Mouser Part #
650-SESD0201X1UN0020

Littelfuse

ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD

Learn More

Datasheet

49,607In Stock

Cut Tape

$1.27

$1.08

$0.977

$0.882

View

Reel

$0.302

MouseReel Available

Min.: 1
Mult.: 1

Reel: 75,000

ESD Protection Diodes / TVS Diodes 6-CH MINI 9V Uni-Di .20pF 20kV SESD

SESD1103Q6UG-0020-090
Littelfuse
1: $1.98
39,613In Stock

Mfr. Part #
SESD1103Q6UG-0020-090

Mouser Part #
650-SESD1103Q6UG0020

Littelfuse

ESD Protection Diodes / TVS Diodes 6-CH MINI 9V Uni-Di .20pF 20kV SESD

Learn More

Datasheet

39,613In Stock

Cut Tape

$1.98

$1.61

$1.25

$1.03

View

Reel

$0.741

MouseReel Available

Min.: 1
Mult.: 1

Reel: 65,000

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

SP0402U-ULC-02ETG
Littelfuse
1: $0.589
16,295In Stock

Mfr. Part #
SP0402U-ULC-02ETG

Mouser Part #
576-SP0402UULC-02ETG

Littelfuse

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

Learn More

Datasheet

16,295In Stock

Cut Tape

$0.589

$0.395

$0.174

$0.167

Reel

$0.15

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

JLLS150.X
Littelfuse
1: $97.32
29In Stock

Mfr. Part #
JLLS150.X

Mouser Part #
576-JLLS150.X

Littelfuse

Industrial & Electrical Fuses 150A 600VAC 300VDC Class T

Learn More

Datasheet

29In Stock

$97.32

$85.03

$81.79

$78.49

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes SMDJ - CA 300V

SMDJ300CA
Littelfuse
1: $4.14
5,650In Stock

Mfr. Part #
SMDJ300CA

Mouser Part #
576-SMDJ300CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 300V

Datasheet

5,650In Stock

Cut Tape

$4.14

$2.67

$1.81

$1.53

$1.44

Reel

$1.31

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 20V 5% Bi-Directional

SMDJ20CA
Littelfuse
1: $1.71
4,045In Stock

Mfr. Part #
SMDJ20CA

Mouser Part #
576-SMDJ20CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 20V 5% Bi-Directional

Learn More

Datasheet

4,045In Stock

Cut Tape

$1.71

$1.39

$1.08

$0.86

$0.772

Reel

$0.632

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 75V 5% Uni-Directional

SMDJ75A
Littelfuse
1: $1.40
7,771In Stock

Mfr. Part #
SMDJ75A

Mouser Part #
576-SMDJ75A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 75V 5% Uni-Directional

Learn More

Datasheet

7,771In Stock

Cut Tape

$1.40

$0.936

$0.803

$0.724

Reel

$0.519

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Surface Mount Fuses 75VDC 90A .54ohms 881 NANO2

0881090.UR
Littelfuse
1: $35.26
500In Stock

Mfr. Part #
0881090.UR

Mouser Part #
576-0881090.UR

Littelfuse

Surface Mount Fuses 75VDC 90A .54ohms 881 NANO2

Learn More

Datasheet

500In Stock

Cut Tape

$35.26

$30.61

$28.18

$23.41

Reel

$17.78

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

NTC Thermistors THERMISTOR, US SENSO

KR104R0J
Littelfuse
1: $1.80
3,672In Stock

Mfr. Part #
KR104R0J

Mouser Part #
576-KR104R0J

Littelfuse

NTC Thermistors THERMISTOR, US SENSO

Learn More

Datasheet

3,672In Stock

$1.80

$1.34

$1.07

$1.01

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3kW 100V 5% Bi-Directional

SMDJ100CA
Littelfuse
1: $1.97
20,646In Stock

Mfr. Part #
SMDJ100CA

Mouser Part #
576-SMDJ100CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 100V 5% Bi-Directional

Learn More

Datasheet

20,646In Stock

Cut Tape

$1.97

$1.58

$1.17

$0.935

Reel

$0.781

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 22V 5% Bi-Directional

SMDJ22CA
Littelfuse
1: $1.60
3,302In Stock

Mfr. Part #
SMDJ22CA

Mouser Part #
576-SMDJ22CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 22V 5% Bi-Directional

Learn More

Datasheet

3,302In Stock

Cut Tape

$1.60

$1.16

$0.955

$0.789

$0.756

Reel

$0.629

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Bi-Directional

SMDJ48CA
Littelfuse
1: $1.29
9,463In Stock

Mfr. Part #
SMDJ48CA

Mouser Part #
576-SMDJ48CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Bi-Directional

Learn More

Datasheet

9,463In Stock

Cut Tape

$1.29

$1.28

$1.06

$0.859

$0.854

Reel

$0.798

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Uni-Directional

SMDJ6.0A
Littelfuse
1: $1.36
14,712In Stock

Mfr. Part #
SMDJ6.0A

Mouser Part #
576-SMDJ6.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Uni-Directional

Learn More

Datasheet

14,712In Stock

Cut Tape

$1.36

$1.11

$0.826

$0.662

Reel

$0.519

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

SMDJ78CA
Littelfuse
1: $1.35
4,296In Stock

Mfr. Part #
SMDJ78CA

Mouser Part #
576-SMDJ78CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

Learn More

Datasheet

4,296In Stock

Cut Tape

$1.35

$1.19

$1.06

$0.859

Reel

$0.724

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SP0402B-ULC-01ETG
Littelfuse
1: $0.837
99,438In Stock

Mfr. Part #
SP0402B-ULC-01ETG

Mouser Part #
576-SP0402BULC-01ETG

Littelfuse

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

Learn More

Datasheet

99,438In Stock

Cut Tape

$0.837

$0.519

$0.33

$0.262

Reel

$0.133

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors VARISTOR RA SERIES LEAD FREE

V82RA16X2749
Littelfuse
1: $10.35
408In Stock

Mfr. Part #
V82RA16X2749

Mouser Part #
576-V82RA16X2749

Littelfuse

Varistors VARISTOR RA SERIES LEAD FREE

Learn More

Datasheet

408In Stock

$10.35

$8.56

$8.17

$7.08

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 58V 10KA

LTKAK10-058C
Littelfuse
1: $56.40
93In Stock

Mfr. Part #
LTKAK10-058C

Mouser Part #
576-LTKAK10-058C

Littelfuse

ESD Protection Diodes / TVS Diodes 58V 10KA

Learn More

Datasheet

93In Stock

Cut Tape

$56.40

$52.03

$43.15

Reel

$40.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

ESD Protection Diodes / TVS Diodes 3kW 13V 5% Bi-Directional

SMDJ13CA
Littelfuse
1: $1.49
5,470In Stock

Mfr. Part #
SMDJ13CA

Mouser Part #
576-SMDJ13CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 13V 5% Bi-Directional

Learn More

Datasheet

5,470In Stock

Cut Tape

$1.49

$1.05

$0.862

$0.784

Reel

$0.583

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 160V 5% Uni-Directional

SMDJ160A
Littelfuse
1: $1.55
4,254In Stock

Mfr. Part #
SMDJ160A

Mouser Part #
576-SMDJ160A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 160V 5% Uni-Directional

Learn More

Datasheet

4,254In Stock

Cut Tape

$1.55

$1.22

$0.88

$0.708

Reel

$0.597

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Varistors 500pF

V510LA80CP
Littelfuse
1: $2.14
2,298In Stock

Mfr. Part #
V510LA80CP

Mouser Part #
576-V510LA80CP

Littelfuse

Varistors 500pF

Learn More

Datasheet

2,298In Stock

$2.14

$1.57

$1.42

$1.20

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5kW 58V 5% Bi-Directional

SMCJ58CA
Littelfuse
1: $0.496
35,252In Stock

Mfr. Part #
SMCJ58CA

Mouser Part #
576-SMCJ58CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 58V 5% Bi-Directional

Learn More

Datasheet

35,252In Stock

Cut Tape

$0.496

$0.432

$0.389

$0.352

Reel

$0.281

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 150V 5% Uni-Directional

SMDJ150A
Littelfuse
1: $1.18
5,284In Stock

Mfr. Part #
SMDJ150A

Mouser Part #
576-SMDJ150A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 150V 5% Uni-Directional

Learn More

Datasheet

5,284In Stock

Cut Tape

$1.18

$0.981

$0.859

$0.708

Reel

$0.556

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 220V 5% Uni-Directional

SMDJ220A
Littelfuse
1: $2.76
3,302In Stock

Mfr. Part #
SMDJ220A

Mouser Part #
576-SMDJ220A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 220V 5% Uni-Directional

Learn More

Datasheet

3,302In Stock

Cut Tape

$2.76

$2.29

$1.77

$1.41

Reel

$1.23

View

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 76V 10KA

LTKAK10-076C
Littelfuse
1: $53.30
203In Stock

Mfr. Part #
LTKAK10-076C

Mouser Part #
576-LTKAK10-076C

Littelfuse

ESD Protection Diodes / TVS Diodes 76V 10KA

Learn More

Datasheet

203In Stock

Cut Tape

$53.30

$48.81

$48.78

Reel

$39.20

MouseReel Available

Min.: 1
Mult.: 1

Reel: 400

Communications Infrastructure Solutions

All Results (1,136)

Mouser Electronics®

Company

Resources

Support

Communications Infrastructure Solutions

All Results (1,136)

Circuit Protection

Industrial Automation

Semiconductors