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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 1.5kW 180V 5% Bi-Directional

SMCJ180CA
Littelfuse
1: $0.723
2,972In Stock
3,000Expected 15/5/2026

Mfr. Part No.
SMCJ180CA

Mouser Part No
576-SMCJ180CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 180V 5% Bi-Directional

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Datasheet

2,972In Stock

3,000Expected 15/5/2026

Cut Tape

$0.723

$0.514

$0.51

$0.414

$0.373

Reel

$0.289

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional

SMCJ18A
Littelfuse
1: $0.639
2,005In Stock
3,000Expected 13/5/2026

Mfr. Part No.
SMCJ18A

Mouser Part No
576-SMCJ18A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Uni-Directional

Learn More

Datasheet

2,005In Stock

3,000Expected 13/5/2026

Cut Tape

$0.639

$0.488

$0.371

$0.299

$0.263

Reel

$0.209

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Bi-Directional

SMCJ18CA
Littelfuse
1: $0.459
5,920In Stock

Mfr. Part No.
SMCJ18CA

Mouser Part No
576-SMCJ18CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 18V 5% Bi-Directional

Learn More

Datasheet

5,920In Stock

Cut Tape

$0.459

$0.364

$0.318

$0.282

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional

SMCJ200A
Littelfuse
1: $0.792
5,950Expected 9/4/2026

Mfr. Part No.
SMCJ200A

Mouser Part No
576-SMCJ200A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Uni-Directional

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Datasheet

5,950Expected 9/4/2026

Cut Tape

$0.792

$0.682

$0.466

$0.357

Reel

$0.264

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional

SMCJ200CA
Littelfuse
1: $0.709
1,435In Stock
18,000Expected 16/4/2026

Mfr. Part No.
SMCJ200CA

Mouser Part No
576-SMCJ200CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 200V 5% Bi-Directional

Learn More

Datasheet

1,435In Stock

18,000Expected 16/4/2026

Cut Tape

$0.709

$0.648

$0.46

$0.386

$0.373

Reel

$0.289

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional

SMCJ20A
Littelfuse
1: $0.765
5,110In Stock

Mfr. Part No.
SMCJ20A

Mouser Part No
576-SMCJ20A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Uni-Directional

Learn More

Datasheet

5,110In Stock

Cut Tape

$0.765

$0.656

$0.499

$0.414

$0.32

Reel

$0.272

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Bi-Directional

SMCJ20CA
Littelfuse
1: $0.556
4,843In Stock

Mfr. Part No.
SMCJ20CA

Mouser Part No
576-SMCJ20CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 20V 5% Bi-Directional

Learn More

Datasheet

4,843In Stock

Cut Tape

$0.556

$0.42

$0.327

$0.289

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Uni-Directional

SMCJ220A
Littelfuse
1: $1.77
3,546In Stock

Mfr. Part No.
SMCJ220A

Mouser Part No
576-SMCJ220A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 220V 5% Uni-Directional

Learn More

Datasheet

3,546In Stock

Cut Tape

$1.77

$1.11

$0.728

$0.567

Reel

$0.445

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Uni-Directional

SMCJ22A
Littelfuse
1: $0.487
3,869In Stock
6,000Expected 27/4/2026

Mfr. Part No.
SMCJ22A

Mouser Part No
576-SMCJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Uni-Directional

Learn More

Datasheet

3,869In Stock

6,000Expected 27/4/2026

Cut Tape

$0.487

$0.364

$0.275

$0.271

$0.267

Reel

$0.209

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Bi-Directional

SMCJ22CA
Littelfuse
1: $0.626
2,229In Stock
3,000Expected 4/5/2026

Mfr. Part No.
SMCJ22CA

Mouser Part No
576-SMCJ22CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 22V 5% Bi-Directional

Learn More

Datasheet

2,229In Stock

3,000Expected 4/5/2026

Cut Tape

$0.626

$0.446

$0.432

$0.348

Reel

$0.286

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Uni-Directional

SMCJ250A
Littelfuse
1: $1.17
2,317In Stock

Mfr. Part No.
SMCJ250A

Mouser Part No
576-SMCJ250A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Uni-Directional

Learn More

Datasheet

2,317In Stock

Cut Tape

$1.17

$0.752

$0.571

$0.502

$0.46

Reel

$0.428

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional

SMCJ250CA
Littelfuse
1: $0.959
1,436In Stock
3,000Expected 11/3/2026

Mfr. Part No.
SMCJ250CA

Mouser Part No
576-SMCJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 250V 5% Bi-Directional

Learn More

Datasheet

1,436In Stock

3,000Expected 11/3/2026

Cut Tape

$0.959

$0.698

$0.528

$0.499

$0.481

Reel

$0.477

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Uni-Directional

SMCJ26A
Littelfuse
1: $0.473
2,834In Stock
3,000Expected 9/4/2026

Mfr. Part No.
SMCJ26A

Mouser Part No
576-SMCJ26A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Uni-Directional

Learn More

Datasheet

2,834In Stock

3,000Expected 9/4/2026

Cut Tape

$0.473

$0.403

$0.329

$0.284

Reel

$0.217

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Bi-Directional

SMCJ26CA
Littelfuse
1: $0.931
4,685In Stock
9,000Expected 11/5/2026

Mfr. Part No.
SMCJ26CA

Mouser Part No
576-SMCJ26CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 26V 5% Bi-Directional

Learn More

Datasheet

4,685In Stock

9,000Expected 11/5/2026

Cut Tape

$0.931

$0.595

$0.43

$0.343

$0.317

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Bi-Directional

SMCJ28CA
Littelfuse
1: $1.18
4,776In Stock
27,000Expected 17/3/2026

Mfr. Part No.
SMCJ28CA

Mouser Part No
576-SMCJ28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 28V 5% Bi-Directional

Learn More

Datasheet

4,776In Stock

27,000Expected 17/3/2026

Cut Tape

$1.18

$0.733

$0.482

$0.375

$0.331

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

SMCJ30A
Littelfuse
1: $0.542
12In Stock
11,700On Order

Mfr. Part No.
SMCJ30A

Mouser Part No
576-SMCJ30A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Uni-Directional

Learn More

Datasheet

12In Stock

11,700On Order

Cut Tape

$0.542

$0.523

$0.385

$0.309

Reel

$0.232

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Bi-Directional

SMCJ30CA
Littelfuse
1: $0.556
3,017In Stock
9,000On Order

Mfr. Part No.
SMCJ30CA

Mouser Part No
576-SMCJ30CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 30V 5% Bi-Directional

Learn More

Datasheet

3,017In Stock

9,000On Order

Cut Tape

$0.556

$0.46

$0.35

$0.285

$0.282

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

SMCJ350CA
Littelfuse
1: $1.04
2,942In Stock
6,000Expected 23/2/2026

Mfr. Part No.
SMCJ350CA

Mouser Part No
576-SMCJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 350V 5% Bi-Directional

Learn More

Datasheet

2,942In Stock

6,000Expected 23/2/2026

Cut Tape

$1.04

$0.813

$0.575

$0.498

$0.47

Reel

$0.438

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Uni-Directional

SMCJ400A
Littelfuse
1: $1.65
118In Stock

Mfr. Part No.
SMCJ400A

Mouser Part No
576-SMCJ400A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 400V 5% Uni-Directional

Learn More

Datasheet

118In Stock

Cut Tape

$1.65

$1.02

$0.701

$0.562

Reel

$0.439

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 40V 5% Uni-Directional

SMCJ40A
Littelfuse
1: $0.667
Lead-Time 14 Weeks

Mfr. Part No.
SMCJ40A

Mouser Part No
576-SMCJ40A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 40V 5% Uni-Directional

Learn More

Datasheet

Lead-Time 14 Weeks

Cut Tape

$0.667

$0.557

$0.388

$0.309

Reel

$0.21

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

SMCJ43A
Littelfuse
1: $0.417
936In Stock
6,000Expected 17/4/2026

Mfr. Part No.
SMCJ43A

Mouser Part No
576-SMCJ43A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 43V 5% Uni-Directional

Learn More

Datasheet

936In Stock

6,000Expected 17/4/2026

Cut Tape

$0.417

$0.357

$0.30

$0.275

Reel

$0.21

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Bi-Directional

SMCJ45CA
Littelfuse
1: $1.01
4,751In Stock

Mfr. Part No.
SMCJ45CA

Mouser Part No
576-SMCJ45CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 45V 5% Bi-Directional

Learn More

Datasheet

4,751In Stock

Cut Tape

$1.01

$0.752

$0.489

$0.391

Reel

$0.295

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 48V 5% Bi-Directional

SMCJ48CA
Littelfuse
1: $0.737
792In Stock
3,000Expected 22/4/2026

Mfr. Part No.
SMCJ48CA

Mouser Part No
576-SMCJ48CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 48V 5% Bi-Directional

Learn More

Datasheet

792In Stock

3,000Expected 22/4/2026

Cut Tape

$0.737

$0.463

$0.42

$0.375

$0.338

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Uni-Directional

SMCJ51A
Littelfuse
1: $0.403
4,215In Stock

Mfr. Part No.
SMCJ51A

Mouser Part No
576-SMCJ51A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Uni-Directional

Learn More

Datasheet

4,215In Stock

Cut Tape

$0.403

$0.359

$0.332

$0.295

Reel

$0.211

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

SMCJ51CA
Littelfuse
1: $0.904
4,886In Stock

Mfr. Part No.
SMCJ51CA

Mouser Part No
576-SMCJ51CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 51V 5% Bi-Directional

Learn More

Datasheet

4,886In Stock

Cut Tape

$0.904

$0.752

$0.489

$0.375

$0.35

Reel

$0.278

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Communications Infrastructure Solutions

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Communications Infrastructure Solutions

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