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General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

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Part #

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Uni-Directional

SMCJ17A
Littelfuse
1: Rp4.953
3.506In Stock

Mfr. Part No.
SMCJ17A

Mouser Part No
576-SMCJ17A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Uni-Directional

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Datasheet

3.506In Stock

Cut Tape

Rp4.953

Rp3.834

Rp3.522

Rp3.412

Reel

Rp3.082

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Bi-Directional

SMCJ17CA
Littelfuse
1: Rp11.558
3.307In Stock

Mfr. Part No.
SMCJ17CA

Mouser Part No
576-SMCJ17CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 17V 5% Bi-Directional

Learn More

Datasheet

3.307In Stock

Cut Tape

Rp11.558

Rp8.256

Rp5.651

Rp4.458

Reel

Rp3.981

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ180A
Littelfuse
1: Rp8.990
3.305In Stock
6.000Expected 05/05/2026

Mfr. Part No.
SMCJ180A

Mouser Part No
576-SMCJ180A

Littelfuse

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

Learn More

Datasheet

3.305In Stock

6.000Expected 05/05/2026

Cut Tape

Rp8.990

Rp7.283

Rp5.412

Rp4.605

Reel

Rp3.559

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ180CA
Littelfuse
1: Rp9.540
1.972In Stock
3.000Expected 15/05/2026

Mfr. Part No.
SMCJ180CA

Mouser Part No
576-SMCJ180CA

Littelfuse

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

Learn More

Datasheet

1.972In Stock

3.000Expected 15/05/2026

Cut Tape

Rp9.540

Rp6.788

Rp6.733

Rp5.467

Rp4.917

Reel

Rp3.816

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ18A
Littelfuse
1: Rp8.439
2.005In Stock
3.000Expected 13/05/2026

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 13/05/2026

Cut Tape

Rp8.439

Rp6.439

Rp4.898

Rp3.944

Rp3.467

Reel

Rp2.752

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ18CA
Littelfuse
1: Rp6.054
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

Rp6.054

Rp4.807

Rp4.201

Rp3.724

Reel

Rp3.669

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ200A
Littelfuse
1: Rp10.457
609In Stock
5.950Expected 09/04/2026

Mfr. Part No.
SMCJ200A

Mouser Part No
576-SMCJ200A

Littelfuse

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

Learn More

Datasheet

609In Stock

5.950Expected 09/04/2026

Cut Tape

Rp10.457

Rp9.008

Rp6.146

Rp4.715

Reel

Rp3.486

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ200CA
Littelfuse
1: Rp9.356
1.435In Stock
18.000Expected 16/04/2026

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 16/04/2026

Cut Tape

Rp9.356

Rp8.549

Rp6.073

Rp5.100

Rp4.917

Reel

Rp3.816

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ20A
Littelfuse
1: Rp10.090
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

Rp10.090

Rp8.659

Rp6.586

Rp5.467

Rp4.220

Reel

Rp3.596

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ20CA
Littelfuse
1: Rp7.338
4.343In 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

4.343In Stock

Cut Tape

Rp7.338

Rp5.540

Rp4.311

Rp3.816

Reel

Rp3.669

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ220A
Littelfuse
1: Rp23.299
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

Rp23.299

Rp14.640

Rp9.613

Rp7.485

Reel

Rp5.871

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ22A
Littelfuse
1: Rp6.421
3.869In Stock
6.000Expected 27/04/2026

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 27/04/2026

Cut Tape

Rp6.421

Rp4.807

Rp3.633

Rp3.577

Rp3.522

Reel

Rp2.752

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ22CA
Littelfuse
1: Rp8.256
2.226In Stock
3.000Expected 04/05/2026

Mfr. Part No.
SMCJ22CA

Mouser Part No
576-SMCJ22CA

Littelfuse

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

Learn More

Datasheet

2.226In Stock

3.000Expected 04/05/2026

Cut Tape

Rp8.256

Rp5.889

Rp5.706

Rp4.587

Reel

Rp3.779

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ250A
Littelfuse
1: Rp15.411
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

Rp15.411

Rp9.925

Rp7.540

Rp6.623

Rp6.073

Reel

Rp5.651

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ250CA
Littelfuse
1: Rp12.659
1.436In Stock
3.000Expected 11/03/2026

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 11/03/2026

Cut Tape

Rp12.659

Rp9.210

Rp6.971

Rp6.586

Rp6.348

Reel

Rp6.293

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ26A
Littelfuse
1: Rp6.238
2.834In Stock
3.000Expected 09/04/2026

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 09/04/2026

Cut Tape

Rp6.238

Rp5.320

Rp4.348

Rp3.743

Reel

Rp2.862

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ26CA
Littelfuse
1: Rp12.292
4.685In Stock
9.000Expected 11/05/2026

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 11/05/2026

Cut Tape

Rp12.292

Rp7.852

Rp5.669

Rp4.531

Rp4.183

Reel

Rp3.669

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ28CA
Littelfuse
1: Rp15.594
4.776In Stock
27.000Expected 17/03/2026

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 17/03/2026

Cut Tape

Rp15.594

Rp9.668

Rp6.366

Rp4.953

Rp4.366

Reel

Rp3.669

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ30A
Littelfuse
1: Rp7.155
2.712In Stock
9.000Expected 25/03/2026

Mfr. Part No.
SMCJ30A

Mouser Part No
576-SMCJ30A

Littelfuse

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

Learn More

Datasheet

2.712In Stock

9.000Expected 25/03/2026

Cut Tape

Rp7.155

Rp6.898

Rp5.082

Rp4.073

Reel

Rp3.064

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ30CA
Littelfuse
1: Rp7.338
3.005In 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

3.005In Stock

9.000On Order

Cut Tape

Rp7.338

Rp6.073

Rp4.623

Rp3.761

Rp3.724

Reel

Rp3.669

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

SMCJ33A
Littelfuse
1: Rp8.623
6.730In Stock
12.000Expected 15/07/2026

Mfr. Part No.
SMCJ33A

Mouser Part No
576-SMCJ33A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 33V 5% Uni-Directional

Learn More

Datasheet

6.730In Stock

12.000Expected 15/07/2026

Cut Tape

Rp8.623

Rp6.733

Rp5.082

Rp3.981

Reel

Rp2.862

Rp2.752

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ350CA
Littelfuse
1: Rp13.760
2.942In Stock
6.000Expected 23/02/2026

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 23/02/2026

Cut Tape

Rp13.760

Rp10.732

Rp7.595

Rp6.568

Rp6.201

Reel

Rp5.779

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ400A
Littelfuse
1: Rp21.832
118In Stock
6.000Expected 15/07/2026

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

6.000Expected 15/07/2026

Cut Tape

Rp21.832

Rp13.484

Rp9.246

Rp7.412

Reel

Rp5.797

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ43A
Littelfuse
1: Rp5.504
936In Stock
6.000Expected 17/04/2026

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 17/04/2026

Cut Tape

Rp5.504

Rp4.715

Rp3.963

Rp3.633

Reel

Rp2.770

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

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

SMCJ45CA
Littelfuse
1: Rp13.393
4.651In 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

4.651In Stock

Cut Tape

Rp13.393

Rp9.925

Rp6.458

Rp5.155

Reel

Rp3.889

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3.000

General Port Protection Solutions

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General Port Protection Solutions

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