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 40V 5% Uni-Directional

SMDJ40A-T7
Littelfuse
1: 1,25 €
35In Stock

Mfr. Part No.
SMDJ40A-T7

Mouser Part No
576-SMDJ40A-T7

Littelfuse

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

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Datasheet

35In Stock

Cut Tape

1,25 €

0,786 €

0,52 €

Reel

0,332 €

0,324 €

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ43CA-T7
Littelfuse
1: 0,989 €
790In Stock

Mfr. Part No.
SMDJ43CA-T7

Mouser Part No
576-SMDJ43CA-T7

Littelfuse

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

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Datasheet

790In Stock

Cut Tape

0,989 €

0,797 €

0,558 €

Reel

0,486 €

0,415 €

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes SMDJ - A 440V

SMDJ440A
Littelfuse
1: 1,69 €
1 452In Stock

Mfr. Part No.
SMDJ440A

Mouser Part No
576-SMDJ440A

Littelfuse

ESD Protection Diodes / TVS Diodes SMDJ - A 440V

Datasheet

1 452In Stock

Cut Tape

1,69 €

1,25 €

0,886 €

0,765 €

0,737 €

Reel

0,729 €

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ45A
Littelfuse
1: 1,23 €
3 508In Stock

Mfr. Part No.
SMDJ45A

Mouser Part No
576-SMDJ45A

Littelfuse

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

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Datasheet

3 508In Stock

Cut Tape

1,23 €

0,647 €

0,464 €

0,387 €

0,364 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ45CA-T7
Littelfuse
1: 1,08 €
310In Stock

Mfr. Part No.
SMDJ45CA-T7

Mouser Part No
576-SMDJ45CA-T7

Littelfuse

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

Learn More

Datasheet

310In Stock

Cut Tape

1,08 €

0,877 €

0,678 €

Reel

0,464 €

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Uni-Directional

SMDJ48A
Littelfuse
1: 0,765 €
1 584In Stock
3 000Expected 15/07/2026

Mfr. Part No.
SMDJ48A

Mouser Part No
576-SMDJ48A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Uni-Directional

Learn More

Datasheet

1 584In Stock

3 000Expected 15/07/2026

Cut Tape

0,765 €

0,624 €

0,486 €

0,411 €

0,37 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Uni-Directional

SMDJ48A-T7
Littelfuse
1: 1,25 €
500In Stock

Mfr. Part No.
SMDJ48A-T7

Mouser Part No
576-SMDJ48A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Uni-Directional

Learn More

Datasheet

500In 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 48V 5% Bi-Directional

SMDJ48CA-T7
Littelfuse
1: 1,08 €
507In Stock

Mfr. Part No.
SMDJ48CA-T7

Mouser Part No
576-SMDJ48CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 48V 5% Bi-Directional

Learn More

Datasheet

507In Stock

Cut Tape

1,08 €

0,839 €

0,588 €

Reel

0,449 €

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ5.0A-T7
Littelfuse
1: 0,714 €
500In Stock

Mfr. Part No.
SMDJ5.0A-T7

Mouser Part No
576-SMDJ5.0A-T7

Littelfuse

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

Learn More

Datasheet

500In Stock

Cut Tape

0,714 €

0,674 €

0,507 €

Reel

0,362 €

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ5.0CA-T7
Littelfuse
1: 0,834 €
459In Stock

Mfr. Part No.
SMDJ5.0CA-T7

Mouser Part No
576-SMDJ5.0CA-T7

Littelfuse

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

Learn More

Datasheet

459In Stock

Cut Tape

0,834 €

0,674 €

0,487 €

Reel

0,36 €

0,35 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ51CA-T7
Littelfuse
1: 1,26 €
471In Stock

Mfr. Part No.
SMDJ51CA-T7

Mouser Part No
576-SMDJ51CA-T7

Littelfuse

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

Learn More

Datasheet

471In Stock

Cut Tape

1,26 €

1,02 €

Reel

0,529 €

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Uni-Directional

SMDJ54A
Littelfuse
1: 1,19 €
2 153In Stock
3 000Expected 20/07/2026

Mfr. Part No.
SMDJ54A

Mouser Part No
576-SMDJ54A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Uni-Directional

Learn More

Datasheet

2 153In Stock

3 000Expected 20/07/2026

Cut Tape

1,19 €

0,776 €

0,514 €

0,403 €

0,367 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

SMDJ54CA
Littelfuse
1: 0,826 €
2 636In Stock

Mfr. Part No.
SMDJ54CA

Mouser Part No
576-SMDJ54CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

Learn More

Datasheet

2 636In Stock

Cut Tape

0,826 €

0,646 €

0,546 €

0,512 €

0,486 €

Reel

0,486 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

SMDJ54CA-T7
Littelfuse
1: 1,08 €
495In Stock

Mfr. Part No.
SMDJ54CA-T7

Mouser Part No
576-SMDJ54CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 54V 5% Bi-Directional

Learn More

Datasheet

495In Stock

Cut Tape

1,08 €

0,877 €

0,678 €

Reel

0,463 €

0,445 €

0,443 €

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ58A
Littelfuse
1: 0,826 €
1 519In Stock
5 835On Order

Mfr. Part No.
SMDJ58A

Mouser Part No
576-SMDJ58A

Littelfuse

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

Learn More

Datasheet

1 519In Stock

5 835On Order

Cut Tape

0,826 €

0,634 €

0,47 €

0,382 €

0,362 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ58A-T7
Littelfuse
1: 0,456 €
494In Stock

Mfr. Part No.
SMDJ58A-T7

Mouser Part No
576-SMDJ58A-T7

Littelfuse

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

Learn More

Datasheet

494In Stock

Cut Tape

0,456 €

0,434 €

0,372 €

Reel

0,324 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ58CA-T7
Littelfuse
1: 1,10 €
256In Stock

Mfr. Part No.
SMDJ58CA-T7

Mouser Part No
576-SMDJ58CA-T7

Littelfuse

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

Learn More

Datasheet

256In Stock

Cut Tape

1,10 €

0,903 €

0,678 €

Reel

0,499 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Bi-Directional

SMDJ6.0CA
Littelfuse
1: 0,834 €
2 929In Stock

Mfr. Part No.
SMDJ6.0CA

Mouser Part No
576-SMDJ6.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Bi-Directional

Learn More

Datasheet

2 929In Stock

Cut Tape

0,834 €

0,615 €

0,495 €

0,428 €

0,375 €

Reel

0,35 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Bi-Directional

SMDJ6.0CA-T7
Littelfuse
1: 1,34 €
248In Stock

Mfr. Part No.
SMDJ6.0CA-T7

Mouser Part No
576-SMDJ6.0CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 6V 5% Bi-Directional

Learn More

Datasheet

248In Stock

Cut Tape

1,34 €

0,848 €

0,562 €

Reel

0,385 €

0,35 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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

SMDJ6.5A
Littelfuse
1: 1,25 €
995In Stock

Mfr. Part No.
SMDJ6.5A

Mouser Part No
576-SMDJ6.5A

Littelfuse

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

Learn More

Datasheet

995In Stock

Cut Tape

1,25 €

0,786 €

0,52 €

0,408 €

0,37 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

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

SMDJ6.5CA-T7
Littelfuse
1: 1,34 €
500In Stock

Mfr. Part No.
SMDJ6.5CA-T7

Mouser Part No
576-SMDJ6.5CA-T7

Littelfuse

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

Learn More

Datasheet

500In Stock

Cut Tape

1,34 €

0,848 €

0,562 €

Reel

0,439 €

0,39 €

0,385 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Uni-Directional

SMDJ60A
Littelfuse
1: 0,456 €
3 210In Stock
3 000Expected 29/04/2026

Mfr. Part No.
SMDJ60A

Mouser Part No
576-SMDJ60A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Uni-Directional

Learn More

Datasheet

3 210In Stock

3 000Expected 29/04/2026

Cut Tape

0,456 €

0,396 €

0,359 €

0,356 €

Reel

0,356 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Bi-Directional

SMDJ60CA
Littelfuse
1: 0,877 €
2 539In Stock
3 000Expected 07/05/2026

Mfr. Part No.
SMDJ60CA

Mouser Part No
576-SMDJ60CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Bi-Directional

Learn More

Datasheet

2 539In Stock

3 000Expected 07/05/2026

Cut Tape

0,877 €

0,678 €

0,564 €

0,487 €

0,486 €

Reel

0,486 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3 000

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Bi-Directional

SMDJ60CA-T7
Littelfuse
1: 1,04 €
409In Stock

Mfr. Part No.
SMDJ60CA-T7

Mouser Part No
576-SMDJ60CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 60V 5% Bi-Directional

Learn More

Datasheet

409In Stock

Cut Tape

1,04 €

0,852 €

0,657 €

Reel

0,502 €

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

ESD Protection Diodes / TVS Diodes 3kW 64V 5% Bi-Directional

SMDJ64CA-T7
Littelfuse
1: 0,834 €
140In Stock

Mfr. Part No.
SMDJ64CA-T7

Mouser Part No
576-SMDJ64CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 64V 5% Bi-Directional

Learn More

Datasheet

140In Stock

Cut Tape

0,834 €

0,71 €

0,596 €

Reel

0,466 €

0,443 €

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

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