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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 SMDJ - A 300V

SMDJ300A
Littelfuse
1: $2.49
817In Stock

Mfr. Part No.
SMDJ300A

Mouser Part No
576-SMDJ300A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 300V

Datasheet

817In Stock

Cut Tape

$2.49

$2.07

$1.58

$1.27

$1.24

Reel

$1.18

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ30A
Littelfuse
1: $2.02
2,523In Stock
6,000Expected 15/4/2026

Mfr. Part No.
SMDJ30A

Mouser Part No
576-SMDJ30A

Littelfuse

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

Learn More

Datasheet

2,523In Stock

6,000Expected 15/4/2026

Cut Tape

$2.02

$1.10

$0.738

$0.585

$0.535

Reel

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ30A-T7
Littelfuse
1: $1.25
17In Stock

Mfr. Part No.
SMDJ30A-T7

Mouser Part No
576-SMDJ30A-T7

Littelfuse

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

Learn More

Datasheet

17In Stock

Cut Tape

$1.25

$0.944

$0.739

Reel

$0.657

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ30CA-T7
Littelfuse
1: $1.60
335In Stock

Mfr. Part No.
SMDJ30CA-T7

Mouser Part No
576-SMDJ30CA-T7

Littelfuse

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

Learn More

Datasheet

335In Stock

Cut Tape

$1.60

$1.29

$0.902

Reel

$0.714

$0.67

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ33A-T7
Littelfuse
1: $1.25
35In Stock

Mfr. Part No.
SMDJ33A-T7

Mouser Part No
576-SMDJ33A-T7

Littelfuse

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

Learn More

Datasheet

35In Stock

Cut Tape

$1.25

$1.01

$0.741

Reel

$0.585

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ33CA-T7
Littelfuse
1: $1.64
275In Stock

Mfr. Part No.
SMDJ33CA-T7

Mouser Part No
576-SMDJ33CA-T7

Littelfuse

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

Learn More

Datasheet

275In Stock

Cut Tape

$1.64

$1.29

$0.902

Reel

$0.699

$0.67

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes SMDJ - A 350V

SMDJ350A
Littelfuse
1: $2.49
1,408In Stock

Mfr. Part No.
SMDJ350A

Mouser Part No
576-SMDJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 350V

Datasheet

1,408In Stock

Cut Tape

$2.49

$2.07

$1.54

$1.24

$1.18

Reel

$1.18

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMDJ - CA 350V

SMDJ350CA
Littelfuse
1: $2.74
1,458In Stock

Mfr. Part No.
SMDJ350CA

Mouser Part No
576-SMDJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 350V

Datasheet

1,458In Stock

Cut Tape

$2.74

$2.02

$1.43

$1.18

Reel

$1.18

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 36V 5% Uni-Directional

SMDJ36A-T7
Littelfuse
1: $1.24
703In Stock

Mfr. Part No.
SMDJ36A-T7

Mouser Part No
576-SMDJ36A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 36V 5% Uni-Directional

Learn More

Datasheet

703In Stock

Cut Tape

$1.24

$1.01

$0.785

Reel

$0.66

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 36V 5% Bi-Directional

SMDJ36CA-T7
Littelfuse
1: $1.26
230In Stock

Mfr. Part No.
SMDJ36CA-T7

Mouser Part No
576-SMDJ36CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 36V 5% Bi-Directional

Learn More

Datasheet

230In Stock

Cut Tape

$1.26

$1.03

$1.00

Reel

$0.67

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 40V 5% Uni-Directional

SMDJ40A-T7
Littelfuse
1: $2.02
35In Stock

Mfr. Part No.
SMDJ40A-T7

Mouser Part No
576-SMDJ40A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 40V 5% Uni-Directional

Learn More

Datasheet

35In Stock

Cut Tape

$2.02

$1.27

$0.841

Reel

$0.537

$0.524

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 43V 5% Bi-Directional

SMDJ43CA-T7
Littelfuse
1: $1.60
790In Stock

Mfr. Part No.
SMDJ43CA-T7

Mouser Part No
576-SMDJ43CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 43V 5% Bi-Directional

Learn More

Datasheet

790In Stock

Cut Tape

$1.60

$1.29

$0.902

Reel

$0.785

$0.67

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes SMDJ - A 440V

SMDJ440A
Littelfuse
1: $2.72
1,502In Stock

Mfr. Part No.
SMDJ440A

Mouser Part No
576-SMDJ440A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 440V

Datasheet

1,502In Stock

Cut Tape

$2.72

$2.02

$1.43

$1.24

$1.19

Reel

$1.18

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 45V 5% Uni-Directional

SMDJ45A
Littelfuse
1: $1.99
3,558In Stock

Mfr. Part No.
SMDJ45A

Mouser Part No
576-SMDJ45A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 45V 5% Uni-Directional

Learn More

Datasheet

3,558In Stock

Cut Tape

$1.99

$1.05

$0.751

$0.626

$0.588

Reel

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 45V 5% Bi-Directional

SMDJ45CA-T7
Littelfuse
1: $1.74
310In Stock

Mfr. Part No.
SMDJ45CA-T7

Mouser Part No
576-SMDJ45CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 45V 5% Bi-Directional

Learn More

Datasheet

310In Stock

Cut Tape

$1.74

$1.42

$1.10

Reel

$0.751

$0.716

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ48A
Littelfuse
1: $1.24
1,784In Stock

Mfr. Part No.
SMDJ48A

Mouser Part No
576-SMDJ48A

Littelfuse

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

Learn More

Datasheet

1,784In Stock

Cut Tape

$1.24

$1.01

$0.785

$0.664

$0.598

Reel

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ48A-T7
Littelfuse
1: $2.02
500In Stock

Mfr. Part No.
SMDJ48A-T7

Mouser Part No
576-SMDJ48A-T7

Littelfuse

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

Learn More

Datasheet

500In Stock

Cut Tape

$2.02

$1.27

$0.841

Reel

$0.581

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ48CA-T7
Littelfuse
1: $1.74
507In Stock

Mfr. Part No.
SMDJ48CA-T7

Mouser Part No
576-SMDJ48CA-T7

Littelfuse

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

Learn More

Datasheet

507In Stock

Cut Tape

$1.74

$1.36

$0.951

Reel

$0.726

$0.716

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ5.0A-T7
Littelfuse
1: $1.15
500In Stock

Mfr. Part No.
SMDJ5.0A-T7

Mouser Part No
576-SMDJ5.0A-T7

Littelfuse

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

Learn More

Datasheet

500In Stock

Cut Tape

$1.15

$1.09

$0.821

Reel

$0.585

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ5.0CA-T7
Littelfuse
1: $1.35
459In Stock

Mfr. Part No.
SMDJ5.0CA-T7

Mouser Part No
576-SMDJ5.0CA-T7

Littelfuse

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

Learn More

Datasheet

459In Stock

Cut Tape

$1.35

$1.09

$0.787

Reel

$0.582

$0.566

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 51V 5% Bi-Directional

SMDJ51CA-T7
Littelfuse
1: $2.03
471In Stock

Mfr. Part No.
SMDJ51CA-T7

Mouser Part No
576-SMDJ51CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 51V 5% Bi-Directional

Learn More

Datasheet

471In Stock

Cut Tape

$2.03

$1.65

Reel

$0.753

$0.716

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Uni-Directional

SMDJ54A
Littelfuse
1: $1.92
2,153In Stock

Mfr. Part No.
SMDJ54A

Mouser Part No
576-SMDJ54A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Uni-Directional

Learn More

Datasheet

2,153In Stock

Cut Tape

$1.92

$1.25

$0.831

$0.652

$0.594

Reel

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

SMDJ54CA
Littelfuse
1: $1.33
2,726In Stock

Mfr. Part No.
SMDJ54CA

Mouser Part No
576-SMDJ54CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

Learn More

Datasheet

2,726In Stock

Cut Tape

$1.33

$1.04

$0.883

$0.827

$0.749

Reel

$0.716

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

SMDJ54CA-T7
Littelfuse
1: $1.74
495In Stock

Mfr. Part No.
SMDJ54CA-T7

Mouser Part No
576-SMDJ54CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

Learn More

Datasheet

495In Stock

Cut Tape

$1.74

$1.42

$1.10

Reel

$0.748

$0.72

$0.716

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 58V 5% Uni-Directional

SMDJ58A
Littelfuse
1: $1.33
1,509In Stock
3,000Expected 21/5/2026

Mfr. Part No.
SMDJ58A

Mouser Part No
576-SMDJ58A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 58V 5% Uni-Directional

Learn More

Datasheet

1,509In Stock

3,000Expected 21/5/2026

Cut Tape

$1.33

$1.02

$0.76

$0.617

$0.585

Reel

$0.524

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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