Circuit Protection – Mouser Finland

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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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Types of Circuit Protection

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Part #

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

SMDJ170A
Littelfuse
1: 0,851 €
1 311In Stock
2 900Expected 19/03/2026

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 19/03/2026

Cut Tape

0,851 €

0,677 €

0,488 €

0,393 €

0,376 €

Reel

0,351 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ170CA-T7
Littelfuse
1: 2,30 €
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

2,30 €

1,48 €

1,01 €

Reel

0,748 €

0,729 €

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ17CA-T7
Littelfuse
1: 1,34 €
317In Stock

Mfr. Part No.
SMDJ17CA-T7

Mouser Part No
576-SMDJ17CA-T7

Littelfuse

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

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Datasheet

317In Stock

Cut Tape

1,34 €

0,848 €

0,562 €

Reel

0,372 €

0,35 €

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ180A
Littelfuse
1: 1,53 €
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

1,53 €

1,25 €

0,886 €

0,781 €

0,769 €

Reel

0,729 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ18A
Littelfuse
1: 0,662 €
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

0,662 €

0,577 €

0,431 €

0,355 €

0,352 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ18CA
Littelfuse
1: 0,765 €
2 210In Stock
3 000Expected 25/05/2026

Mfr. Part No.
SMDJ18CA

Mouser Part No
576-SMDJ18CA

Littelfuse

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

Learn More

Datasheet

2 210In Stock

3 000Expected 25/05/2026

Cut Tape

0,765 €

0,599 €

0,537 €

0,475 €

0,432 €

Reel

0,41 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ18CA-T7
Littelfuse
1: 1,01 €
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

1,01 €

0,791 €

0,558 €

Reel

0,442 €

0,415 €

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ20A
Littelfuse
1: 0,585 €
1 776In Stock
3 000Expected 13/05/2026

Mfr. Part No.
SMDJ20A

Mouser Part No
576-SMDJ20A

Littelfuse

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

Learn More

Datasheet

1 776In Stock

3 000Expected 13/05/2026

Cut Tape

0,585 €

0,484 €

0,368 €

0,356 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ20CA-T7
Littelfuse
1: 0,989 €
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

0,989 €

0,797 €

0,558 €

Reel

0,509 €

0,415 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ22A
Littelfuse
1: 0,80 €
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

0,80 €

0,652 €

0,476 €

0,395 €

0,356 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ24A
Littelfuse
1: 0,439 €
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

0,439 €

0,366 €

0,356 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - A 250V

SMDJ250A
Littelfuse
1: 1,62 €
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

1,62 €

1,29 €

0,972 €

0,777 €

0,729 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ26A-T7
Littelfuse
1: 1,25 €
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

1,25 €

0,786 €

0,52 €

Reel

0,359 €

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ26CA
Littelfuse
1: 0,602 €
514In Stock
3 000Expected 05/05/2026

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 05/05/2026

Cut Tape

0,602 €

0,52 €

0,454 €

0,451 €

Reel

0,451 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ28A
Littelfuse
1: 0,568 €
2 682In Stock
3 000Expected 14/05/2026

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 14/05/2026

Cut Tape

0,568 €

0,472 €

0,377 €

0,347 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - A 300V

SMDJ300A
Littelfuse
1: 1,54 €
817In Stock
3 000Expected 25/05/2026

Mfr. Part No.
SMDJ300A

Mouser Part No
576-SMDJ300A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 300V

Datasheet

817In Stock

3 000Expected 25/05/2026

Cut Tape

1,54 €

1,28 €

0,98 €

0,784 €

0,765 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ30A
Littelfuse
1: 1,25 €
2 106In Stock
12 000On Order

Mfr. Part No.
SMDJ30A

Mouser Part No
576-SMDJ30A

Littelfuse

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

Learn More

Datasheet

2 106In Stock

12 000On Order

Cut Tape

1,25 €

0,679 €

0,457 €

0,362 €

0,331 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ30A-T7
Littelfuse
1: 0,774 €
17In Stock

Mfr. Part No.
SMDJ30A-T7

Mouser Part No
576-SMDJ30A-T7

Littelfuse

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

Learn More

Datasheet

17In Stock

Cut Tape

0,774 €

0,584 €

0,458 €

Reel

0,407 €

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ30CA-T7
Littelfuse
1: 0,989 €
335In Stock

Mfr. Part No.
SMDJ30CA-T7

Mouser Part No
576-SMDJ30CA-T7

Littelfuse

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

Learn More

Datasheet

335In Stock

Cut Tape

0,989 €

0,797 €

0,558 €

Reel

0,442 €

0,415 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ33A-T7
Littelfuse
1: 0,774 €
35In Stock

Mfr. Part No.
SMDJ33A-T7

Mouser Part No
576-SMDJ33A-T7

Littelfuse

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

Learn More

Datasheet

35In Stock

Cut Tape

0,774 €

0,624 €

0,458 €

Reel

0,362 €

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ33CA-T7
Littelfuse
1: 1,01 €
275In Stock

Mfr. Part No.
SMDJ33CA-T7

Mouser Part No
576-SMDJ33CA-T7

Littelfuse

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

Learn More

Datasheet

275In Stock

Cut Tape

1,01 €

0,797 €

0,634 €

Reel

0,433 €

0,415 €

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes SMDJ - A 350V

SMDJ350A
Littelfuse
1: 1,54 €
1 408In Stock

Mfr. Part No.
SMDJ350A

Mouser Part No
576-SMDJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 350V

Datasheet

1 408In Stock

Cut Tape

1,54 €

1,28 €

0,955 €

0,769 €

0,729 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes SMDJ - CA 350V

SMDJ350CA
Littelfuse
1: 1,69 €
1 458In Stock

Mfr. Part No.
SMDJ350CA

Mouser Part No
576-SMDJ350CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - CA 350V

Datasheet

1 458In Stock

Cut Tape

1,69 €

1,25 €

0,886 €

0,729 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ36A-T7
Littelfuse
1: 0,765 €
203In Stock

Mfr. Part No.
SMDJ36A-T7

Mouser Part No
576-SMDJ36A-T7

Littelfuse

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

Learn More

Datasheet

203In Stock

Cut Tape

0,765 €

0,624 €

0,486 €

Reel

0,409 €

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ36CA-T7
Littelfuse
1: 0,783 €
230In Stock

Mfr. Part No.
SMDJ36CA-T7

Mouser Part No
576-SMDJ36CA-T7

Littelfuse

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

Learn More

Datasheet

230In Stock

Cut Tape

0,783 €

0,639 €

0,621 €

Reel

0,415 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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