Circuit Protection – Mouser Finland

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

Smart Metering Solutions

Littelfuse Smart Metering Solutions help designers implement more reliable and safer smart meters. Littelfuse solutions for smart meters allow designers to bring Internet of Things technology to the key functions of a smart metering system.

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

Types of Circuit Protection

List Images

Results: 1 906

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 170V 5% Uni-Directional

SMAJ170A
Littelfuse
1: 0,439 €
2 623In Stock

Mfr. Part No.
SMAJ170A

Mouser Part No
576-SMAJ170A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 170V 5% Uni-Directional

Learn More

Datasheet

2 623In Stock

Cut Tape

0,439 €

0,297 €

0,171 €

0,132 €

View

Reel

0,103 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 170V 5% Bi-Directional

SMAJ170CA
Littelfuse
1: 0,413 €
8 020In Stock

Mfr. Part No.
SMAJ170CA

Mouser Part No
576-SMAJ170CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 170V 5% Bi-Directional

Learn More

Datasheet

8 020In Stock

Cut Tape

0,413 €

0,192 €

0,168 €

0,126 €

View

Reel

0,108 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-Directional

SMAJ17A
Littelfuse
1: 0,396 €
801In Stock
20 000On Order

Mfr. Part No.
SMAJ17A

Mouser Part No
576-SMAJ17A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 17V 5% Uni-Directional

Learn More

Datasheet

801In Stock

20 000On Order

Cut Tape

0,396 €

0,183 €

0,16 €

0,118 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 17V 5% Bi-Directional

SMAJ17CA
Littelfuse
1: 0,43 €
327In Stock
15 000On Order

Mfr. Part No.
SMAJ17CA

Mouser Part No
576-SMAJ17CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 17V 5% Bi-Directional

Learn More

Datasheet

327In Stock

15 000On Order

Cut Tape

0,43 €

0,246 €

0,165 €

0,127 €

0,12 €

Reel

0,108 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 180V 5% Uni-Directional

SMAJ180A
Littelfuse
1: 0,439 €
128In Stock
5 000Expected 04/02/2027

Mfr. Part No.
SMAJ180A

Mouser Part No
576-SMAJ180A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 180V 5% Uni-Directional

Learn More

Datasheet

128In Stock

5 000Expected 04/02/2027

Cut Tape

0,439 €

0,25 €

0,171 €

0,132 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes SMAJ - A 188V

SMAJ188A
Littelfuse
1: 0,464 €
4 755In Stock

Mfr. Part No.
SMAJ188A

Mouser Part No
576-SMAJ188A

Littelfuse

ESD Protection Diodes / TVS Diodes SMAJ - A 188V

Learn More

Datasheet

4 755In Stock

Cut Tape

0,464 €

0,224 €

0,181 €

0,14 €

View

Reel

0,102 €

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes SMAJ - CA 188V

SMAJ188CA
Littelfuse
1: 0,499 €
7 396In Stock

Mfr. Part No.
SMAJ188CA

Mouser Part No
576-SMAJ188CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMAJ - CA 188V

Learn More

Datasheet

7 396In Stock

Cut Tape

0,499 €

0,28 €

0,194 €

0,152 €

Reel

0,099 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 18V 5% Uni-Directional

SMAJ18A
Littelfuse
1: 0,387 €
3 383In Stock
40 000On Order

Mfr. Part No.
SMAJ18A

Mouser Part No
576-SMAJ18A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 18V 5% Uni-Directional

Learn More

Datasheet

3 383In Stock

40 000On Order

Cut Tape

0,387 €

0,183 €

0,142 €

0,114 €

Reel

0,07 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 18V 5% Bi-Directional

SMAJ18CA
Littelfuse
1: 0,396 €
8 848In Stock
10 000Expected 16/02/2027

Mfr. Part No.
SMAJ18CA

Mouser Part No
576-SMAJ18CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 18V 5% Bi-Directional

Learn More

Datasheet

8 848In Stock

10 000Expected 16/02/2027

Cut Tape

0,396 €

0,194 €

0,16 €

0,126 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ200A
Littelfuse
1: 0,43 €
3 673In Stock
5 000Expected 30/11/2026

Mfr. Part No.
SMAJ200A

Mouser Part No
576-SMAJ200A

Littelfuse

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

Learn More

Datasheet

3 673In Stock

5 000Expected 30/11/2026

Cut Tape

0,43 €

0,192 €

0,168 €

0,126 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ200CA
Littelfuse
1: 0,404 €
3 579In Stock
8 610Expected 24/08/2026

Mfr. Part No.
SMAJ200CA

Mouser Part No
576-SMAJ200CA

Littelfuse

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

Learn More

Datasheet

3 579In Stock

8 610Expected 24/08/2026

Cut Tape

0,404 €

0,203 €

0,163 €

0,129 €

Reel

0,077 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ20A
Littelfuse
1: 0,344 €
9 940In Stock
20 000Expected 02/12/2026

Mfr. Part No.
SMAJ20A

Mouser Part No
576-SMAJ20A

Littelfuse

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

Learn More

Datasheet

9 940In Stock

20 000Expected 02/12/2026

Cut Tape

0,344 €

0,183 €

0,147 €

0,12 €

Reel

0,071 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ20CA
Littelfuse
1: 0,421 €
1 953In Stock
20 000On Order

Mfr. Part No.
SMAJ20CA

Mouser Part No
576-SMAJ20CA

Littelfuse

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

Learn More

Datasheet

1 953In Stock

20 000On Order

Cut Tape

0,421 €

0,226 €

0,161 €

0,124 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ220A
Littelfuse
1: 0,679 €
3 256In Stock

Mfr. Part No.
SMAJ220A

Mouser Part No
576-SMAJ220A

Littelfuse

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

Learn More

Datasheet

3 256In Stock

Cut Tape

0,679 €

0,316 €

0,264 €

0,206 €

0,191 €

Reel

0,157 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ22CA
Littelfuse
1: 0,378 €
10 729In Stock

Mfr. Part No.
SMAJ22CA

Mouser Part No
576-SMAJ22CA

Littelfuse

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

Learn More

Datasheet

10 729In Stock

Cut Tape

0,378 €

0,183 €

0,146 €

0,114 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 24V 5% Bi-Directional

SMAJ24CA
Littelfuse
1: 0,413 €
2 311In Stock
45 000Expected 04/11/2026

Mfr. Part No.
SMAJ24CA

Mouser Part No
576-SMAJ24CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 24V 5% Bi-Directional

Learn More

Datasheet

2 311In Stock

45 000Expected 04/11/2026

Cut Tape

0,413 €

0,183 €

0,157 €

0,12 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ26A
Littelfuse
1: 0,404 €
809In Stock
40 000On Order

Mfr. Part No.
SMAJ26A

Mouser Part No
576-SMAJ26A

Littelfuse

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

Learn More

Datasheet

809In Stock

40 000On Order

Cut Tape

0,404 €

0,255 €

0,157 €

0,117 €

View

Reel

0,068 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ28A
Littelfuse
1: 0,37 €
261In Stock
70 000On Order

Mfr. Part No.
SMAJ28A

Mouser Part No
576-SMAJ28A

Littelfuse

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

Learn More

Datasheet

261In Stock

70 000On Order

Cut Tape

0,37 €

0,214 €

0,137 €

0,11 €

View

Reel

0,065 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ300A
Littelfuse
1: 0,74 €
2 792In Stock
5 000Expected 04/02/2027

Mfr. Part No.
SMAJ300A

Mouser Part No
576-SMAJ300A

Littelfuse

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

Learn More

Datasheet

2 792In Stock

5 000Expected 04/02/2027

Cut Tape

0,74 €

0,396 €

0,296 €

0,222 €

0,187 €

Reel

0,168 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 33V 5% Bi-Directional

SMAJ33CA
Littelfuse
1: 0,413 €
1 687In Stock
140 000On Order

Mfr. Part No.
SMAJ33CA

Mouser Part No
576-SMAJ33CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 33V 5% Bi-Directional

Learn More

Datasheet

1 687In Stock

140 000On Order

Cut Tape

0,413 €

0,224 €

0,168 €

0,132 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ400A
Littelfuse
1: 0,679 €
113In Stock
5 000Expected 31/08/2026

Mfr. Part No.
SMAJ400A

Mouser Part No
576-SMAJ400A

Littelfuse

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

Learn More

Datasheet

113In Stock

5 000Expected 31/08/2026

Cut Tape

0,679 €

0,358 €

0,315 €

0,241 €

View

Reel

0,168 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ400CA
Littelfuse
1: 0,783 €
563In Stock
10 000Expected 28/10/2026

Mfr. Part No.
SMAJ400CA

Mouser Part No
576-SMAJ400CA

Littelfuse

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

Learn More

Datasheet

563In Stock

10 000Expected 28/10/2026

Cut Tape

0,783 €

0,405 €

0,314 €

0,241 €

Reel

0,181 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ43A
Littelfuse
1: 0,404 €
17 159In Stock

Mfr. Part No.
SMAJ43A

Mouser Part No
576-SMAJ43A

Littelfuse

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

Learn More

Datasheet

17 159In Stock

Cut Tape

0,404 €

0,194 €

0,155 €

0,115 €

Reel

0,074 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ43CA
Littelfuse
1: 0,396 €
12 626In Stock
10 000Expected 16/11/2026

Mfr. Part No.
SMAJ43CA

Mouser Part No
576-SMAJ43CA

Littelfuse

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

Learn More

Datasheet

12 626In Stock

10 000Expected 16/11/2026

Cut Tape

0,396 €

0,183 €

0,151 €

0,124 €

Reel

0,074 €

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ440A
Littelfuse
1: 0,533 €
6 772In Stock

Mfr. Part No.
SMAJ440A

Mouser Part No
576-SMAJ440A

Littelfuse

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

Learn More

Datasheet

6 772In Stock

Cut Tape

0,533 €

0,242 €

0,212 €

0,168 €

Reel

0,168 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

Smart Metering Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support