Circuit Protection – Mouser Denmark

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

Smart Thermostat Solutions

Littelfuse Smart Thermostat Solutions components allow designers to implement Internet of Things (IoT) solutions to boost energy efficiency and monitor energy usage. Littelfuse Smart Thermostat solutions complement other Smart Building features, including safety and security systems.

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

Types of Circuit Protection

List Images

Results: 627

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.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 400W 200V 5% Bi-Directional

SMAJ200CA
Littelfuse
1: 2,25 kr.
7.817In Stock

Mfr. Part No.
SMAJ200CA

Mouser Part No
576-SMAJ200CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 200V 5% Bi-Directional

Learn More

Datasheet

7.817In Stock

Cut Tape

2,25 kr.

1,55 kr.

0,798 kr.

0,739 kr.

0,664 kr.

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 20V 5% Uni-Directional

SMAJ20A
Littelfuse
1: 2,18 kr.
8.432In Stock
5.000Expected 05/05/2026

Mfr. Part No.
SMAJ20A

Mouser Part No
576-SMAJ20A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 20V 5% Uni-Directional

Learn More

Datasheet

8.432In Stock

5.000Expected 05/05/2026

Cut Tape

2,18 kr.

1,45 kr.

0,91 kr.

0,709 kr.

Reel

0,53 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 20V 5% Bi-Directional

SMAJ20CA
Littelfuse
1: 1,60 kr.
6.718In Stock
5.000Expected 04/05/2026

Mfr. Part No.
SMAJ20CA

Mouser Part No
576-SMAJ20CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 20V 5% Bi-Directional

Learn More

Datasheet

6.718In Stock

5.000Expected 04/05/2026

Cut Tape

1,60 kr.

1,04 kr.

0,642 kr.

0,634 kr.

Reel

0,56 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

SMAJ220CA
Littelfuse
1: 2,89 kr.
5.177In Stock

Mfr. Part No.
SMAJ220CA

Mouser Part No
576-SMAJ220CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 220V 5% Bi-Directional

Learn More

Datasheet

5.177In Stock

Cut Tape

2,89 kr.

1,75 kr.

1,71 kr.

1,60 kr.

1,35 kr.

Reel

1,28 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

SMAJ22A
Littelfuse
1: 2,31 kr.
9.328In Stock
5.000Expected 24/04/2026

Mfr. Part No.
SMAJ22A

Mouser Part No
576-SMAJ22A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Uni-Directional

Learn More

Datasheet

9.328In Stock

5.000Expected 24/04/2026

Cut Tape

2,31 kr.

1,50 kr.

0,962 kr.

0,806 kr.

Reel

0,477 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 22V 5% Bi-Directional

SMAJ22CA
Littelfuse
1: 1,92 kr.
545In Stock
15.000Expected 15/04/2026

Mfr. Part No.
SMAJ22CA

Mouser Part No
576-SMAJ22CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 22V 5% Bi-Directional

Learn More

Datasheet

545In Stock

15.000Expected 15/04/2026

Cut Tape

1,92 kr.

1,24 kr.

0,836 kr.

0,806 kr.

0,679 kr.

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

SMAJ250CA
Littelfuse
1: 4,49 kr.
7.119In Stock
5.000Expected 30/04/2026

Mfr. Part No.
SMAJ250CA

Mouser Part No
576-SMAJ250CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 250V 5% Bi-Directional

Learn More

Datasheet

7.119In Stock

5.000Expected 30/04/2026

Cut Tape

4,49 kr.

2,66 kr.

1,59 kr.

1,29 kr.

1,28 kr.

Reel

1,28 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

SMAJ26CA
Littelfuse
1: 1,99 kr.
5.320In Stock
19.000Expected 14/04/2026

Mfr. Part No.
SMAJ26CA

Mouser Part No
576-SMAJ26CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 26V 5% Bi-Directional

Learn More

Datasheet

5.320In Stock

19.000Expected 14/04/2026

Cut Tape

1,99 kr.

1,35 kr.

0,656 kr.

0,649 kr.

View

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

SMAJ28CA
Littelfuse
1: 1,92 kr.
11.533In Stock
10.000Expected 22/04/2026

Mfr. Part No.
SMAJ28CA

Mouser Part No
576-SMAJ28CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 28V 5% Bi-Directional

Learn More

Datasheet

11.533In Stock

10.000Expected 22/04/2026

Cut Tape

1,92 kr.

1,30 kr.

0,642 kr.

0,634 kr.

0,619 kr.

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 300V 5% Uni-Directional

SMAJ300A
Littelfuse
1: 3,78 kr.
4.821In Stock

Mfr. Part No.
SMAJ300A

Mouser Part No
576-SMAJ300A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 300V 5% Uni-Directional

Learn More

Datasheet

4.821In Stock

Cut Tape

3,78 kr.

2,98 kr.

1,94 kr.

1,48 kr.

1,21 kr.

Reel

1,19 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

SMAJ350A
Littelfuse
1: 1,67 kr.
7.136In Stock

Mfr. Part No.
SMAJ350A

Mouser Part No
576-SMAJ350A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 350V 5% Uni-Directional

Learn More

Datasheet

7.136In Stock

Cut Tape

1,67 kr.

1,45 kr.

1,28 kr.

Reel

1,19 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 400V 5% Bi-Directional

SMAJ400CA
Littelfuse
1: 1,28 kr.
4.377In Stock
5.000Expected 17/04/2026

Mfr. Part No.
SMAJ400CA

Mouser Part No
576-SMAJ400CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 400V 5% Bi-Directional

Learn More

Datasheet

4.377In Stock

5.000Expected 17/04/2026

Cut Tape

1,28 kr.

Reel

1,28 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

SMAJ40A
Littelfuse
1: 1,09 kr.
10.009In Stock
15.000Expected 20/03/2026

Mfr. Part No.
SMAJ40A

Mouser Part No
576-SMAJ40A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 40V 5% Uni-Directional

Learn More

Datasheet

10.009In Stock

15.000Expected 20/03/2026

Cut Tape

1,09 kr.

0,724 kr.

0,709 kr.

0,619 kr.

Reel

0,50 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 43V 5% Uni-Directional

SMAJ43A
Littelfuse
1: 1,99 kr.
13.790In Stock

Mfr. Part No.
SMAJ43A

Mouser Part No
576-SMAJ43A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 43V 5% Uni-Directional

Learn More

Datasheet

13.790In Stock

Cut Tape

1,99 kr.

1,20 kr.

0,761 kr.

0,589 kr.

Reel

0,53 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 43V 5% Bi-Directional

SMAJ43CA
Littelfuse
1: 2,69 kr.
15.591In Stock

Mfr. Part No.
SMAJ43CA

Mouser Part No
576-SMAJ43CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 43V 5% Bi-Directional

Learn More

Datasheet

15.591In Stock

Cut Tape

2,69 kr.

1,75 kr.

1,04 kr.

0,836 kr.

Reel

0,649 kr.

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 440V 5% Uni-Directional

SMAJ440A
Littelfuse
1: 1,22 kr.
4.347In Stock
5.000Expected 30/04/2026

Mfr. Part No.
SMAJ440A

Mouser Part No
576-SMAJ440A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 440V 5% Uni-Directional

Learn More

Datasheet

4.347In Stock

5.000Expected 30/04/2026

Cut Tape

1,22 kr.

1,19 kr.

Reel

1,19 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 45V 5% Uni-Directional

SMAJ45A
Littelfuse
1: 1,99 kr.
12.652In Stock

Mfr. Part No.
SMAJ45A

Mouser Part No
576-SMAJ45A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 45V 5% Uni-Directional

Learn More

Datasheet

12.652In Stock

Cut Tape

1,99 kr.

1,18 kr.

0,619 kr.

0,612 kr.

Reel

0,485 kr.

0,455 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 45V 5% Bi-Directional

SMAJ45CA
Littelfuse
1: 2,31 kr.
817In Stock
5.000Expected 29/04/2026

Mfr. Part No.
SMAJ45CA

Mouser Part No
576-SMAJ45CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 45V 5% Bi-Directional

Learn More

Datasheet

817In Stock

5.000Expected 29/04/2026

Cut Tape

2,31 kr.

1,40 kr.

0,679 kr.

0,619 kr.

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-Directional

SMAJ48A
Littelfuse
1: 1,22 kr.
11.941In Stock

Mfr. Part No.
SMAJ48A

Mouser Part No
576-SMAJ48A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 48V 5% Uni-Directional

Learn More

Datasheet

11.941In Stock

Cut Tape

1,22 kr.

0,642 kr.

0,574 kr.

0,567 kr.

Reel

0,455 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 48V 5% Bi-Directional

SMAJ48CA
Littelfuse
1: 2,57 kr.
2.653In Stock
5.000Expected 26/03/2026

Mfr. Part No.
SMAJ48CA

Mouser Part No
576-SMAJ48CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 48V 5% Bi-Directional

Learn More

Datasheet

2.653In Stock

5.000Expected 26/03/2026

Cut Tape

2,57 kr.

1,71 kr.

1,06 kr.

0,865 kr.

View

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional

SMAJ5.0CA
Littelfuse
1: 2,05 kr.
16.351In Stock
45.000On Order

Mfr. Part No.
SMAJ5.0CA

Mouser Part No
576-SMAJ5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 5V 5% Bi-Directional

Learn More

Datasheet

16.351In Stock

45.000On Order

Cut Tape

2,05 kr.

1,53 kr.

1,03 kr.

0,806 kr.

0,634 kr.

Reel

0,552 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

SMAJ51A
Littelfuse
1: 2,57 kr.
13.104In Stock

Mfr. Part No.
SMAJ51A

Mouser Part No
576-SMAJ51A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 51V 5% Uni-Directional

Learn More

Datasheet

13.104In Stock

Cut Tape

2,57 kr.

1,42 kr.

0,947 kr.

0,709 kr.

0,552 kr.

Reel

0,455 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 51V 5% Bi-Directional

SMAJ51CA
Littelfuse
1: 1,92 kr.
11.235In Stock

Mfr. Part No.
SMAJ51CA

Mouser Part No
576-SMAJ51CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 51V 5% Bi-Directional

Learn More

Datasheet

11.235In Stock

Cut Tape

1,92 kr.

0,888 kr.

0,671 kr.

0,634 kr.

0,619 kr.

Reel

0,522 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 6V 5% Bi-Directional

SMAJ6.0CA
Littelfuse
1: 1,41 kr.
5.731In Stock
10.000Expected 17/03/2026

Mfr. Part No.
SMAJ6.0CA

Mouser Part No
576-SMAJ6.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6V 5% Bi-Directional

Learn More

Datasheet

5.731In Stock

10.000Expected 17/03/2026

Cut Tape

1,41 kr.

0,985 kr.

0,642 kr.

0,634 kr.

Reel

0,552 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Bi-Directional

SMAJ6.5CA
Littelfuse
1: 1,99 kr.
1.159In Stock
15.000Expected 27/04/2026

Mfr. Part No.
SMAJ6.5CA

Mouser Part No
576-SMAJ6.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 6.5V 5% Bi-Directional

Learn More

Datasheet

1.159In Stock

15.000Expected 27/04/2026

Cut Tape

1,99 kr.

0,977 kr.

0,716 kr.

0,679 kr.

0,597 kr.

Reel

0,552 kr.

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5.000

Smart Thermostat Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support