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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.

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Part #

ESD Protection Diodes / TVS Diodes 3kW 120V 5% Uni-Directional

SMDJ120A
Littelfuse
1: $0.95
2,440In Stock

Mfr. Part No.
SMDJ120A

Mouser Part No
576-SMDJ120A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 120V 5% Uni-Directional

Learn More

Datasheet

2,440In Stock

Cut Tape

$0.95

$0.779

$0.619

$0.50

$0.449

Reel

$0.449

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 120V 5% Bi-Directional

SMDJ120CA
Littelfuse
1: $1.14
1,867In Stock

Mfr. Part No.
SMDJ120CA

Mouser Part No
576-SMDJ120CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 120V 5% Bi-Directional

Learn More

Datasheet

1,867In Stock

Cut Tape

$1.14

$0.933

$0.736

$0.618

$0.565

Reel

$0.565

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 12V 5% Uni-Directional

SMDJ12A-T7
Littelfuse
1: $1.43
195In Stock

Mfr. Part No.
SMDJ12A-T7

Mouser Part No
576-SMDJ12A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 12V 5% Uni-Directional

Learn More

Datasheet

195In Stock

Cut Tape

$1.43

$0.901

$0.598

Reel

$0.447

$0.406

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ13A-T7
Littelfuse
1: $0.90
500In Stock

Mfr. Part No.
SMDJ13A-T7

Mouser Part No
576-SMDJ13A-T7

Littelfuse

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

Learn More

Datasheet

500In Stock

Cut Tape

$0.90

$0.726

$0.533

Reel

$0.473

$0.377

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 14V 5% Uni-Directional

SMDJ14A
Littelfuse
1: $1.06
2,725In Stock

Mfr. Part No.
SMDJ14A

Mouser Part No
576-SMDJ14A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 14V 5% Uni-Directional

Learn More

Datasheet

2,725In Stock

Cut Tape

$1.06

$0.862

$0.598

$0.427

$0.414

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ150CA-T7
Littelfuse
1: $2.57
77In Stock

Mfr. Part No.
SMDJ150CA-T7

Mouser Part No
576-SMDJ150CA-T7

Littelfuse

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

Learn More

Datasheet

77In Stock

Cut Tape

$2.57

$1.69

$1.14

Reel

$0.901

$0.848

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 15V 5% Uni-Directional

SMDJ15A-T7
Littelfuse
1: $0.92
476In Stock

Mfr. Part No.
SMDJ15A-T7

Mouser Part No
576-SMDJ15A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 15V 5% Uni-Directional

Learn More

Datasheet

476In Stock

Cut Tape

$0.92

$0.734

$0.533

Reel

$0.421

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 170V 5% Uni-Directional

SMDJ170A
Littelfuse
1: $0.99
1,311In Stock
2,900Expected 2026/03/19

Mfr. Part No.
SMDJ170A

Mouser Part No
576-SMDJ170A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 170V 5% Uni-Directional

Learn More

Datasheet

1,311In Stock

2,900Expected 2026/03/19

Cut Tape

$0.99

$0.787

$0.568

$0.457

$0.449

Reel

$0.449

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 170V 5% Bi-Directional

SMDJ170CA-T7
Littelfuse
1: $2.67
408In Stock

Mfr. Part No.
SMDJ170CA-T7

Mouser Part No
576-SMDJ170CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 170V 5% Bi-Directional

Learn More

Datasheet

408In Stock

Cut Tape

$2.67

$1.72

$1.17

Reel

$0.861

$0.848

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ17A
Littelfuse
1: $1.45
2,392In Stock

Mfr. Part No.
SMDJ17A

Mouser Part No
576-SMDJ17A

Littelfuse

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

Learn More

Datasheet

2,392In Stock

Cut Tape

$1.45

$0.914

$0.605

$0.475

$0.43

Reel

$0.377

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ17CA-T7
Littelfuse
1: $1.56
317In Stock

Mfr. Part No.
SMDJ17CA-T7

Mouser Part No
576-SMDJ17CA-T7

Littelfuse

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

Learn More

Datasheet

317In Stock

Cut Tape

$1.56

$0.986

$0.654

Reel

$0.433

$0.407

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 180V 5% Uni-Directional

SMDJ180A
Littelfuse
1: $1.78
1,177In Stock

Mfr. Part No.
SMDJ180A

Mouser Part No
576-SMDJ180A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 180V 5% Uni-Directional

Learn More

Datasheet

1,177In Stock

Cut Tape

$1.78

$1.45

$1.03

$0.908

$0.894

Reel

$0.848

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Uni-Directional

SMDJ18A
Littelfuse
1: $0.77
3,198In Stock

Mfr. Part No.
SMDJ18A

Mouser Part No
576-SMDJ18A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Uni-Directional

Learn More

Datasheet

3,198In Stock

Cut Tape

$0.77

$0.671

$0.501

$0.413

$0.409

Reel

$0.377

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Bi-Directional

SMDJ18CA
Littelfuse
1: $0.89
2,220In Stock

Mfr. Part No.
SMDJ18CA

Mouser Part No
576-SMDJ18CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Bi-Directional

Learn More

Datasheet

2,220In Stock

Cut Tape

$0.89

$0.697

$0.625

$0.552

$0.502

Reel

$0.477

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Bi-Directional

SMDJ18CA-T7
Littelfuse
1: $1.17
740In Stock

Mfr. Part No.
SMDJ18CA-T7

Mouser Part No
576-SMDJ18CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 18V 5% Bi-Directional

Learn More

Datasheet

740In Stock

Cut Tape

$1.17

$0.92

$0.649

Reel

$0.514

$0.483

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ20A
Littelfuse
1: $0.68
1,856In Stock
3,000Expected 2026/05/13

Mfr. Part No.
SMDJ20A

Mouser Part No
576-SMDJ20A

Littelfuse

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

Learn More

Datasheet

1,856In Stock

3,000Expected 2026/05/13

Cut Tape

$0.68

$0.563

$0.428

$0.414

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ20CA-T7
Littelfuse
1: $1.15
900In Stock

Mfr. Part No.
SMDJ20CA-T7

Mouser Part No
576-SMDJ20CA-T7

Littelfuse

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

Learn More

Datasheet

900In Stock

Cut Tape

$1.15

$0.927

$0.649

Reel

$0.592

$0.483

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ22A
Littelfuse
1: $0.93
589In Stock

Mfr. Part No.
SMDJ22A

Mouser Part No
576-SMDJ22A

Littelfuse

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

Learn More

Datasheet

589In Stock

Cut Tape

$0.93

$0.758

$0.554

$0.459

$0.414

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 24V 5% Uni-Directional

SMDJ24A
Littelfuse
1: $0.511
4In Stock
12,000On Order

Mfr. Part No.
SMDJ24A

Mouser Part No
576-SMDJ24A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 24V 5% Uni-Directional

Learn More

Datasheet

4In Stock

12,000On Order

Cut Tape

$0.511

$0.426

$0.414

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMDJ - A 250V

SMDJ250A
Littelfuse
1: $1.88
1,216In Stock

Mfr. Part No.
SMDJ250A

Mouser Part No
576-SMDJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 250V

Datasheet

1,216In Stock

Cut Tape

$1.88

$1.50

$1.13

$0.904

$0.848

Reel

$0.848

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 26V 5% Uni-Directional

SMDJ26A-T7
Littelfuse
1: $1.45
50In Stock

Mfr. Part No.
SMDJ26A-T7

Mouser Part No
576-SMDJ26A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 26V 5% Uni-Directional

Learn More

Datasheet

50In Stock

Cut Tape

$1.45

$0.914

$0.605

Reel

$0.418

$0.377

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 26V 5% Bi-Directional

SMDJ26CA
Littelfuse
1: $0.70
514In Stock
3,000Expected 2026/05/05

Mfr. Part No.
SMDJ26CA

Mouser Part No
576-SMDJ26CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 26V 5% Bi-Directional

Learn More

Datasheet

514In Stock

3,000Expected 2026/05/05

Cut Tape

$0.70

$0.605

$0.528

$0.525

Reel

$0.525

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3kW 28V 5% Uni-Directional

SMDJ28A
Littelfuse
1: $0.661
2,682In Stock
3,000Expected 2026/05/14

Mfr. Part No.
SMDJ28A

Mouser Part No
576-SMDJ28A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 28V 5% Uni-Directional

Learn More

Datasheet

2,682In Stock

3,000Expected 2026/05/14

Cut Tape

$0.661

$0.549

$0.438

$0.404

Reel

$0.377

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes SMDJ - A 300V

SMDJ300A
Littelfuse
1: $1.79
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

$1.79

$1.49

$1.14

$0.912

$0.89

Reel

$0.848

Min.: 1
Mult.: 1

Reel: 3,000

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

SMDJ30A
Littelfuse
1: $1.45
2,523In Stock
6,000Expected 2026/04/15

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 2026/04/15

Cut Tape

$1.45

$0.79

$0.531

$0.421

$0.385

Reel

$0.377

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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