Circuit Protection – Mouser Finland

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

Connected Drug Delivery Device Ecosystem Solutions

Littelfuse features a wide portfolio of products used to build and enhance drug delivery systems. These drug delivery systems include auto-injectors, continuous glucose monitors, insulin pumps, drug delivery pens, and wearable injectors. Products offered by Littelfuse for these applications include detect switches, plunger position sensors, microcontrollers, thermistors, TVS diode arrays, gate drivers, and fuses.

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

Types of Circuit Protection

List Images

Results: 190

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 400V 5% Uni-Directional

SMAJ400A
Littelfuse
1: 0,679 €
113In Stock
5 000Expected 13/08/2026

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 13/08/2026

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 €
282In Stock
10 000Expected 15/02/2027

Mfr. Part No.
SMAJ400CA

Mouser Part No
576-SMAJ400CA

Littelfuse

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

Learn More

Datasheet

282In Stock

10 000Expected 15/02/2027

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

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

SMAJ45A
Littelfuse
1: 0,37 €
11 266In Stock
10 000Expected 19/01/2027

Mfr. Part No.
SMAJ45A

Mouser Part No
576-SMAJ45A

Littelfuse

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

Learn More

Datasheet

11 266In Stock

10 000Expected 19/01/2027

Cut Tape

0,37 €

0,183 €

0,143 €

0,11 €

Reel

0,071 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ45CA
Littelfuse
1: 0,413 €
677In Stock
15 000On Order

Mfr. Part No.
SMAJ45CA

Mouser Part No
576-SMAJ45CA

Littelfuse

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

Learn More

Datasheet

677In Stock

15 000On Order

Cut Tape

0,413 €

0,224 €

0,161 €

0,127 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ48A
Littelfuse
1: 0,43 €
4 839In Stock
25 000On Order

Mfr. Part No.
SMAJ48A

Mouser Part No
576-SMAJ48A

Littelfuse

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

Learn More

Datasheet

4 839In Stock

25 000On Order

Cut Tape

0,43 €

0,204 €

0,166 €

0,124 €

Reel

0,078 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ48CA
Littelfuse
1: 0,439 €
1 791In Stock
10 000Expected 03/02/2027

Mfr. Part No.
SMAJ48CA

Mouser Part No
576-SMAJ48CA

Littelfuse

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

Learn More

Datasheet

1 791In Stock

10 000Expected 03/02/2027

Cut Tape

0,439 €

0,226 €

0,17 €

0,127 €

0,095 €

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ51CA
Littelfuse
1: 0,396 €
7 686In Stock
10 000Expected 16/09/2026

Mfr. Part No.
SMAJ51CA

Mouser Part No
576-SMAJ51CA

Littelfuse

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

Learn More

Datasheet

7 686In Stock

10 000Expected 16/09/2026

Cut Tape

0,396 €

0,194 €

0,151 €

0,118 €

0,108 €

Reel

0,108 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 58V 5% Uni-Directional

SMAJ58A
Littelfuse
1: 0,292 €
1 924In Stock
120 000On Order

Mfr. Part No.
SMAJ58A

Mouser Part No
576-SMAJ58A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 58V 5% Uni-Directional

Learn More

Datasheet

1 924In Stock

120 000On Order

Cut Tape

0,292 €

0,214 €

0,151 €

0,116 €

View

Reel

0,065 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ6.0CA
Littelfuse
1: 0,439 €
3 041In Stock
20 000Expected 17/02/2027

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

3 041In Stock

20 000Expected 17/02/2027

Cut Tape

0,439 €

0,235 €

0,169 €

0,13 €

View

Reel

0,077 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

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

SMAJ6.5CA
Littelfuse
1: 0,413 €
3 837In Stock
30 000On Order

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

3 837In Stock

30 000On Order

Cut Tape

0,413 €

0,183 €

0,159 €

0,12 €

View

Reel

0,077 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-Directional

SMAJ60A
Littelfuse
1: 0,421 €
7 771In Stock
50 000On Order

Mfr. Part No.
SMAJ60A

Mouser Part No
576-SMAJ60A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 60V 5% Uni-Directional

Learn More

Datasheet

7 771In Stock

50 000On Order

Cut Tape

0,421 €

0,22 €

0,164 €

0,124 €

Reel

0,078 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 64V 5% Bi-Directional

SMAJ64CA
Littelfuse
1: 0,378 €
13 926In Stock

Mfr. Part No.
SMAJ64CA

Mouser Part No
576-SMAJ64CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 64V 5% Bi-Directional

Learn More

Datasheet

13 926In Stock

Cut Tape

0,378 €

0,183 €

0,161 €

0,12 €

0,111 €

Reel

0,083 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 7V 5% Uni-Directional

SMAJ7.0A
Littelfuse
1: 0,361 €
4 525In Stock
5 000Expected 28/12/2026

Mfr. Part No.
SMAJ7.0A

Mouser Part No
576-SMAJ7.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 7V 5% Uni-Directional

Learn More

Datasheet

4 525In Stock

5 000Expected 28/12/2026

Cut Tape

0,361 €

0,189 €

0,143 €

0,111 €

Reel

0,067 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 7V 5% Bi-Directional

SMAJ7.0CA
Littelfuse
1: 0,413 €
7 656In Stock

Mfr. Part No.
SMAJ7.0CA

Mouser Part No
576-SMAJ7.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 7V 5% Bi-Directional

Learn More

Datasheet

7 656In Stock

Cut Tape

0,413 €

0,194 €

0,157 €

0,121 €

View

Reel

0,077 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Uni-Directional

SMAJ7.5A
Littelfuse
1: 0,404 €
6 245In Stock

Mfr. Part No.
SMAJ7.5A

Mouser Part No
576-SMAJ7.5A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Uni-Directional

Learn More

Datasheet

6 245In Stock

Cut Tape

0,404 €

0,186 €

0,155 €

0,116 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Bi-Directional

SMAJ7.5CA
Littelfuse
1: 0,413 €
4 238In Stock
10 000Expected 26/01/2027

Mfr. Part No.
SMAJ7.5CA

Mouser Part No
576-SMAJ7.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 7.5V 5% Bi-Directional

Learn More

Datasheet

4 238In Stock

10 000Expected 26/01/2027

Cut Tape

0,413 €

0,183 €

0,161 €

0,12 €

View

Reel

0,077 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 70V 5% Uni-Directional

SMAJ70A
Littelfuse
1: 0,361 €
297In Stock
50 000On Order

Mfr. Part No.
SMAJ70A

Mouser Part No
576-SMAJ70A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 70V 5% Uni-Directional

Learn More

Datasheet

297In Stock

50 000On Order

Cut Tape

0,361 €

0,237 €

0,148 €

0,115 €

View

Reel

0,071 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 70V 5% Bi-Directional

SMAJ70CA
Littelfuse
1: 0,413 €
9 617In Stock
5 000Expected 21/09/2026

Mfr. Part No.
SMAJ70CA

Mouser Part No
576-SMAJ70CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 70V 5% Bi-Directional

Learn More

Datasheet

9 617In Stock

5 000Expected 21/09/2026

Cut Tape

0,413 €

0,183 €

0,161 €

0,12 €

View

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 75V 5% Uni-Directional

SMAJ75A
Littelfuse
1: 0,37 €
16 680In Stock

Mfr. Part No.
SMAJ75A

Mouser Part No
576-SMAJ75A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 75V 5% Uni-Directional

Learn More

Datasheet

16 680In Stock

Cut Tape

0,37 €

0,183 €

0,144 €

0,114 €

Reel

0,078 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 75V 5% Bi-Directional

SMAJ75CA
Littelfuse
1: 0,421 €
999In Stock
5 000Expected 02/12/2026

Mfr. Part No.
SMAJ75CA

Mouser Part No
576-SMAJ75CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 75V 5% Bi-Directional

Learn More

Datasheet

999In Stock

5 000Expected 02/12/2026

Cut Tape

0,421 €

0,22 €

0,164 €

0,124 €

0,12 €

Reel

0,073 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 78V 5% Uni-Directional

SMAJ78A
Littelfuse
1: 0,404 €
6 832In Stock

Mfr. Part No.
SMAJ78A

Mouser Part No
576-SMAJ78A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 78V 5% Uni-Directional

Learn More

Datasheet

6 832In Stock

Cut Tape

0,404 €

0,183 €

0,155 €

0,118 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

ESD Protection Diodes / TVS Diodes 400W 8V 5% Uni-Directional

SMAJ8.0A
Littelfuse
1: 0,396 €
17 720In Stock

Mfr. Part No.
SMAJ8.0A

Mouser Part No
576-SMAJ8.0A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 8V 5% Uni-Directional

Learn More

Datasheet

17 720In Stock

Cut Tape

0,396 €

0,186 €

0,149 €

0,116 €

View

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5 000

Connected Drug Delivery Device Ecosystem Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support