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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: £0.203
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

£0.203

£0.157

£0.144

£0.14

Reel

£0.126

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ17CA
Littelfuse
1: £0.473
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

£0.473

£0.338

£0.231

£0.182

Reel

£0.163

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ180A
Littelfuse
1: £0.368
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

£0.368

£0.298

£0.222

£0.189

Reel

£0.146

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ180CA
Littelfuse
1: £0.39
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

£0.39

£0.278

£0.276

£0.223

£0.201

Reel

£0.163

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ18A
Littelfuse
1: £0.346
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

£0.346

£0.264

£0.201

£0.162

£0.142

Reel

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ18CA
Littelfuse
1: £0.248
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

£0.248

£0.196

£0.172

£0.153

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ200A
Littelfuse
1: £0.428
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

£0.428

£0.368

£0.251

£0.193

Reel

£0.142

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ200CA
Littelfuse
1: £0.383
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

£0.383

£0.35

£0.249

£0.209

£0.201

Reel

£0.156

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ20A
Littelfuse
1: £0.413
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

£0.413

£0.354

£0.27

£0.223

£0.173

Reel

£0.148

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ20CA
Littelfuse
1: £0.30
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

£0.30

£0.227

£0.176

£0.156

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ220A
Littelfuse
1: £0.952
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

£0.952

£0.599

£0.394

£0.306

£0.277

Reel

£0.263

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ22A
Littelfuse
1: £0.263
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

£0.263

£0.196

£0.148

£0.147

£0.144

Reel

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ22CA
Littelfuse
1: £0.338
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

£0.338

£0.241

£0.233

£0.188

Reel

£0.155

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ250A
Littelfuse
1: £0.63
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

£0.63

£0.406

£0.308

£0.271

£0.254

Reel

£0.254

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ250CA
Littelfuse
1: £0.518
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

£0.518

£0.377

£0.294

Reel

£0.294

£0.29

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ26A
Littelfuse
1: £0.255
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

£0.255

£0.217

£0.178

£0.153

Reel

£0.117

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ26CA
Littelfuse
1: £0.503
4,670In 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

4,670In Stock

9,000Expected 11/05/2026

Cut Tape

£0.503

£0.321

£0.232

£0.185

£0.171

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ28CA
Littelfuse
1: £0.638
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

£0.638

£0.395

£0.26

£0.203

£0.179

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ30A
Littelfuse
1: £0.292
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

£0.292

£0.282

£0.208

£0.167

Reel

£0.126

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ30CA
Littelfuse
1: £0.30
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

£0.30

£0.249

£0.189

£0.154

£0.153

Reel

£0.15

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ33A
Littelfuse
1: £0.353
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

£0.353

£0.276

£0.208

£0.163

Reel

£0.117

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ350CA
Littelfuse
1: £0.563
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

£0.563

£0.439

£0.311

£0.283

Reel

£0.283

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ400A
Littelfuse
1: £0.89
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

£0.89

£0.552

£0.378

£0.303

£0.266

Reel

£0.245

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ43A
Littelfuse
1: £0.225
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

£0.225

£0.193

£0.162

£0.148

£0.144

Reel

£0.113

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

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

SMCJ45CA
Littelfuse
1: £0.548
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

£0.548

£0.406

£0.265

£0.211

Reel

£0.159

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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