Circuit Protection – Mouser Finland

.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 1 014

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

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

SMDJ15A
Littelfuse
1: 0,542 €
4 678In Stock

Mfr. Part No.
SMDJ15A

Mouser Part No
576-SMDJ15A

Littelfuse

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

Learn More

Datasheet

4 678In Stock

Cut Tape

0,542 €

0,418 €

0,374 €

0,348 €

0,347 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ15CA
Littelfuse
1: 0,671 €
4 877In Stock

Mfr. Part No.
SMDJ15CA

Mouser Part No
576-SMDJ15CA

Littelfuse

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

Learn More

Datasheet

4 877In Stock

Cut Tape

0,671 €

0,526 €

0,429 €

0,402 €

0,378 €

Reel

0,346 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 160V 5% Bi-Directional

SMDJ160CA
Littelfuse
1: 0,811 €
4 210In Stock

Mfr. Part No.
SMDJ160CA

Mouser Part No
576-SMDJ160CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 160V 5% Bi-Directional

Learn More

Datasheet

4 210In Stock

Cut Tape

0,811 €

Reel

0,811 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 16V 5% Uni-Directional

SMDJ16A
Littelfuse
1: 1,26 €
5 869In Stock

Mfr. Part No.
SMDJ16A

Mouser Part No
576-SMDJ16A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 16V 5% Uni-Directional

Learn More

Datasheet

5 869In Stock

Cut Tape

1,26 €

0,792 €

0,525 €

0,411 €

0,374 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ170CA
Littelfuse
1: 2,12 €
1 921In Stock

Mfr. Part No.
SMDJ170CA

Mouser Part No
576-SMDJ170CA

Littelfuse

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

Learn More

Datasheet

1 921In Stock

Cut Tape

2,12 €

1,36 €

0,929 €

0,811 €

Reel

0,811 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ17CA
Littelfuse
1: 0,722 €
4 251In Stock

Mfr. Part No.
SMDJ17CA

Mouser Part No
576-SMDJ17CA

Littelfuse

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

Learn More

Datasheet

4 251In Stock

Cut Tape

0,722 €

0,675 €

0,542 €

0,425 €

0,387 €

Reel

0,38 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ180CA
Littelfuse
1: 2,13 €
3 654In Stock

Mfr. Part No.
SMDJ180CA

Mouser Part No
576-SMDJ180CA

Littelfuse

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

Learn More

Datasheet

3 654In Stock

Cut Tape

2,13 €

1,37 €

0,937 €

0,79 €

0,685 €

Reel

0,678 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - A 200V

SMDJ200A
Littelfuse
1: 1,99 €
5 898In Stock

Mfr. Part No.
SMDJ200A

Mouser Part No
576-SMDJ200A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 200V

Datasheet

5 898In Stock

Cut Tape

1,99 €

1,29 €

0,886 €

0,729 €

Reel

0,729 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - CA 200V

SMDJ200CA
Littelfuse
1: 2,34 €
1 783In Stock

Mfr. Part No.
SMDJ200CA

Mouser Part No
576-SMDJ200CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 200V

Datasheet

1 783In Stock

Cut Tape

2,34 €

1,48 €

1,01 €

0,859 €

0,796 €

Reel

0,729 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 220V 5% Bi-Directional

SMDJ220CA
Littelfuse
1: 1,47 €
4 774In Stock

Mfr. Part No.
SMDJ220CA

Mouser Part No
576-SMDJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 220V 5% Bi-Directional

Learn More

Datasheet

4 774In Stock

Cut Tape

1,47 €

1,18 €

0,832 €

0,726 €

0,703 €

Reel

0,678 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - CA 250V

SMDJ250CA
Littelfuse
1: 1,54 €
2 914In Stock
3 000Expected 22/05/2026

Mfr. Part No.
SMDJ250CA

Mouser Part No
576-SMDJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 250V

Datasheet

2 914In Stock

3 000Expected 22/05/2026

Cut Tape

1,54 €

1,25 €

0,886 €

0,851 €

0,796 €

Reel

0,729 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ28CA
Littelfuse
1: 0,654 €
4 724In Stock
9 000On Order

Mfr. Part No.
SMDJ28CA

Mouser Part No
576-SMDJ28CA

Littelfuse

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

Learn More

Datasheet

4 724In Stock

9 000On Order

Cut Tape

0,654 €

0,534 €

0,429 €

0,415 €

Reel

0,41 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ33A
Littelfuse
1: 1,24 €
12 661In Stock

Mfr. Part No.
SMDJ33A

Mouser Part No
576-SMDJ33A

Littelfuse

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

Learn More

Datasheet

12 661In Stock

Cut Tape

1,24 €

0,785 €

0,519 €

0,407 €

0,369 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ36A
Littelfuse
1: 0,628 €
7 732In Stock

Mfr. Part No.
SMDJ36A

Mouser Part No
576-SMDJ36A

Littelfuse

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

Learn More

Datasheet

7 732In Stock

Cut Tape

0,628 €

0,516 €

0,458 €

0,367 €

0,347 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ36CA
Littelfuse
1: 0,507 €
17 770In Stock

Mfr. Part No.
SMDJ36CA

Mouser Part No
576-SMDJ36CA

Littelfuse

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

Learn More

Datasheet

17 770In Stock

Cut Tape

0,507 €

0,46 €

0,428 €

0,417 €

Reel

0,41 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - A 400V

SMDJ400A
Littelfuse
1: 1,65 €
1 735In Stock

Mfr. Part No.
SMDJ400A

Mouser Part No
576-SMDJ400A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 400V

Datasheet

1 735In Stock

Cut Tape

1,65 €

1,29 €

0,903 €

0,778 €

0,729 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - CA 400V

SMDJ400CA
Littelfuse
1: 1,65 €
3 739In Stock

Mfr. Part No.
SMDJ400CA

Mouser Part No
576-SMDJ400CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 400V

Datasheet

3 739In Stock

Cut Tape

1,65 €

1,29 €

0,886 €

0,851 €

0,796 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ40A
Littelfuse
1: 0,662 €
5 455In Stock

Mfr. Part No.
SMDJ40A

Mouser Part No
576-SMDJ40A

Littelfuse

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

Learn More

Datasheet

5 455In Stock

Cut Tape

0,662 €

0,505 €

0,44 €

0,384 €

Reel

0,357 €

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ40CA
Littelfuse
1: 0,765 €
11 593In Stock

Mfr. Part No.
SMDJ40CA

Mouser Part No
576-SMDJ40CA

Littelfuse

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

Learn More

Datasheet

11 593In Stock

Cut Tape

0,765 €

0,55 €

0,505 €

0,428 €

Reel

0,41 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ43CA
Littelfuse
1: 0,662 €
3 372In Stock

Mfr. Part No.
SMDJ43CA

Mouser Part No
576-SMDJ43CA

Littelfuse

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

Learn More

Datasheet

3 372In Stock

Cut Tape

0,662 €

0,482 €

0,445 €

0,427 €

Reel

0,41 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ45CA
Littelfuse
1: 1,05 €
3 711In Stock

Mfr. Part No.
SMDJ45CA

Mouser Part No
576-SMDJ45CA

Littelfuse

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

Learn More

Datasheet

3 711In Stock

Cut Tape

1,05 €

0,839 €

0,588 €

0,519 €

0,474 €

Reel

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ5.0CA
Littelfuse
1: 0,662 €
8 750In Stock

Mfr. Part No.
SMDJ5.0CA

Mouser Part No
576-SMDJ5.0CA

Littelfuse

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

Learn More

Datasheet

8 750In Stock

Cut Tape

0,662 €

0,529 €

0,415 €

0,375 €

Reel

0,35 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ51CA
Littelfuse
1: 1,05 €
4 745In Stock

Mfr. Part No.
SMDJ51CA

Mouser Part No
576-SMDJ51CA

Littelfuse

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

Learn More

Datasheet

4 745In Stock

Cut Tape

1,05 €

0,852 €

0,657 €

0,53 €

0,486 €

Reel

0,486 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ58CA
Littelfuse
1: 0,929 €
2 903In Stock
3 000Expected 03/04/2026

Mfr. Part No.
SMDJ58CA

Mouser Part No
576-SMDJ58CA

Littelfuse

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

Learn More

Datasheet

2 903In Stock

3 000Expected 03/04/2026

Cut Tape

0,929 €

0,715 €

0,657 €

0,519 €

0,475 €

Reel

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 6.5V 5% Bi-Directional

SMDJ6.5CA
Littelfuse
1: 0,826 €
7 329In Stock

Mfr. Part No.
SMDJ6.5CA

Mouser Part No
576-SMDJ6.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 6.5V 5% Bi-Directional

Learn More

Datasheet

7 329In Stock

Cut Tape

0,826 €

0,673 €

0,487 €

0,391 €

0,375 €

Reel

0,35 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

Communications Infrastructure Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support