Circuit Protection – Mouser Estonia

.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: 539

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 1-CH 0201 9V Uni-Di .20pF 20kV SESD

SESD0201X1UN-0020-090
Littelfuse
1: 0,748 €
133.862Expected 11/3/2026

Mfr. Part No.
SESD0201X1UN-0020-090

Mouser Part No
650-SESD0201X1UN0020

Littelfuse

ESD Protection Diodes / TVS Diodes 1-CH 0201 9V Uni-Di .20pF 20kV SESD

Learn More

Datasheet

133.862Expected 11/3/2026

Cut Tape

0,748 €

0,393 €

0,34 €

0,261 €

View

Reel

0,16 €

MouseReel Available

Min.: 1
Mult.: 1

: 75.000

Surface Mount Fuses 32V FA 1206 5A

0437005.WR
Littelfuse
1: 1,37 €
12.000On Order

Mfr. Part No.
0437005.WR

Mouser Part No
576-0437005.WR

Littelfuse

Surface Mount Fuses 32V FA 1206 5A

Learn More

Datasheet

12.000On Order

Cut Tape

1,37 €

1,19 €

1,13 €

0,912 €

View

Reel

0,562 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC PTC 15V 2920 3A

2920L300/15DR
Littelfuse
1: 0,774 €
17.942Expected 11/3/2026

Mfr. Part No.
2920L300/15DR

Mouser Part No
576-2920L300/15DR

Littelfuse

Resettable Fuses - PPTC PTC 15V 2920 3A

Learn More

Datasheet

17.942Expected 11/3/2026

Cut Tape

0,774 €

0,715 €

0,583 €

0,537 €

View

Reel

0,416 €

MouseReel Available

Min.: 1
Mult.: 1

: 1.500

LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3

PLED18Q12
Littelfuse
1: 1,12 €
5.000Expected 10/12/2026

Mfr. Part No.
PLED18Q12

Mouser Part No
576-PLED18Q12

Littelfuse

LED Protection Devices LED PROTECTOR 18V 1000mA QFN 3x3

Learn More

Datasheet

5.000Expected 10/12/2026

Cut Tape

1,12 €

0,703 €

0,464 €

0,364 €

0,343 €

Reel

0,343 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

LED Protection Devices LED PROTECTOR Bi 6V

PLED6S
Littelfuse
1: 1,15 €
34.821Expected 11/23/2026

Mfr. Part No.
PLED6S

Mouser Part No
576-PLED6S

Littelfuse

LED Protection Devices LED PROTECTOR Bi 6V

Learn More

Datasheet

34.821Expected 11/23/2026

Cut Tape

1,15 €

0,722 €

0,476 €

0,375 €

0,336 €

Reel

0,298 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-Directional

SMAJ12A
Littelfuse
1: 0,378 €
154.258On Order

Mfr. Part No.
SMAJ12A

Mouser Part No
576-SMAJ12A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 12V 5% Uni-Directional

Learn More

Datasheet

154.258On Order

Cut Tape

0,378 €

0,189 €

0,157 €

0,12 €

View

Reel

0,062 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 30V 5% Uni-Directional

SMAJ30A
Littelfuse
1: 0,387 €
142.527On Order

Mfr. Part No.
SMAJ30A

Mouser Part No
576-SMAJ30A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 30V 5% Uni-Directional

Learn More

Datasheet

142.527On Order

Cut Tape

0,387 €

0,26 €

0,151 €

0,116 €

View

Reel

0,078 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 36V 5% Bi-Directional

SMAJ36CA
Littelfuse
1: 0,404 €
19.700In Stock
59.454On Order

Mfr. Part No.
SMAJ36CA

Mouser Part No
576-SMAJ36CA

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 36V 5% Bi-Directional

Learn More

Datasheet

19.700In Stock

59.454On Order

Cut Tape

0,404 €

0,183 €

0,148 €

0,12 €

View

Reel

0,07 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 400W 54V 5% Uni-Directional

SMAJ54A
Littelfuse
1: 0,387 €
89.998On Order

Mfr. Part No.
SMAJ54A

Mouser Part No
576-SMAJ54A

Littelfuse

ESD Protection Diodes / TVS Diodes 400W 54V 5% Uni-Directional

Learn More

Datasheet

89.998On Order

Cut Tape

0,387 €

0,26 €

0,151 €

0,116 €

0,101 €

Reel

0,101 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

ESD Protection Diodes / TVS Diodes 200W 14V 5% Uni-directional

SMF14A
Littelfuse
1: 0,447 €
21.000On Order

Mfr. Part No.
SMF14A

Mouser Part No
576-SMF14A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 14V 5% Uni-directional

Learn More

Datasheet

21.000On Order

Cut Tape

0,447 €

0,205 €

0,175 €

0,134 €

Reel

0,09 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 200W 18V 5% Uni-directional

SMF18A
Littelfuse
1: 0,413 €
17.966On Order

Mfr. Part No.
SMF18A

Mouser Part No
576-SMF18A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 18V 5% Uni-directional

Learn More

Datasheet

17.966On Order

Cut Tape

0,413 €

0,205 €

0,175 €

0,134 €

Reel

0,084 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SMF - CA 18V

SMF18CA
Littelfuse
1: 0,507 €
27.000On Order

Mfr. Part No.
SMF18CA

Mouser Part No
576-SMF18CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 18V

Learn More

Datasheet

27.000On Order

Cut Tape

0,507 €

0,234 €

0,197 €

0,155 €

Reel

0,097 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SMF - CA 28V

SMF28CA
Littelfuse
1: 0,507 €
30.000On Order

Mfr. Part No.
SMF28CA

Mouser Part No
576-SMF28CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 28V

Learn More

Datasheet

30.000On Order

Cut Tape

0,507 €

0,249 €

0,197 €

0,16 €

Reel

0,097 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 200W 33V 5% Uni-directional

SMF33A-T13
Littelfuse
1: 0,473 €
30.000In Stock

Mfr. Part No.
SMF33A-T13

Mouser Part No
576-SMF33A-T13

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 33V 5% Uni-directional

Learn More

Datasheet

30.000In Stock

Cut Tape

0,473 €

0,246 €

0,183 €

0,138 €

Reel

0,082 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 200W 48V 5% Uni-directional

SMF48A
Littelfuse
1: 0,43 €
36.000On Order

Mfr. Part No.
SMF48A

Mouser Part No
576-SMF48A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 48V 5% Uni-directional

Learn More

Datasheet

36.000On Order

Cut Tape

0,43 €

0,205 €

0,175 €

0,134 €

Reel

0,084 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SMF - CA 5V

SMF5.0CA
Littelfuse
1: 0,533 €
38.696On Order

Mfr. Part No.
SMF5.0CA

Mouser Part No
576-SMF5.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 5V

Learn More

Datasheet

38.696On Order

Cut Tape

0,533 €

0,248 €

0,208 €

0,164 €

Reel

0,103 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 200W 51V 5% Uni-directional

SMF51A
Littelfuse
1: 0,396 €
38.704On Order

Mfr. Part No.
SMF51A

Mouser Part No
576-SMF51A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 51V 5% Uni-directional

Learn More

Datasheet

38.704On Order

Cut Tape

0,396 €

0,205 €

0,154 €

0,129 €

Reel

0,084 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes 200W 64V 5% Uni-directional

SMF64A
Littelfuse
1: 0,37 €
23.500On Order

Mfr. Part No.
SMF64A

Mouser Part No
576-SMF64A

Littelfuse

ESD Protection Diodes / TVS Diodes 200W 64V 5% Uni-directional

Learn More

Datasheet

23.500On Order

Cut Tape

0,37 €

0,205 €

0,164 €

0,134 €

0,126 €

Reel

0,09 €

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SMF - CA 7V

SMF7.0CA
Littelfuse
1: 0,533 €
18.000On Order

Mfr. Part No.
SMF7.0CA

Mouser Part No
576-SMF7.0CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 7V

Learn More

Datasheet

18.000On Order

Cut Tape

0,533 €

0,248 €

0,208 €

0,164 €

Reel

0,103 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

SMF8.5CA
Littelfuse
1: 0,533 €
18.000On Order

Mfr. Part No.
SMF8.5CA

Mouser Part No
576-SMF8.5CA

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - CA 8.5V

Learn More

Datasheet

18.000On Order

Cut Tape

0,533 €

0,262 €

0,208 €

0,171 €

Reel

0,103 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Varistors 5.5 VDC .3J 17.5V-CL 120A P

V5.5MLA0805NH
Littelfuse
1: 0,404 €
14.843On Order

Mfr. Part No.
V5.5MLA0805NH

Mouser Part No
576-V5.5MLA0805NH

Littelfuse

Varistors 5.5 VDC .3J 17.5V-CL 120A P

Learn More

Datasheet

14.843On Order

Cut Tape

0,404 €

0,283 €

0,253 €

0,219 €

View

Reel

0,174 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

Resettable Fuses - PPTC 5.8 Ohms 40 A 9 VDC - 40 C+ 85 C

FEMTOSMDC012F-2
Littelfuse
1: 0,748 €
5.000Expected 10/12/2026

Mfr. Part No.
FEMTOSMDC012F-2

Mouser Part No
650-FEMTOSMDC012F-2

Littelfuse

Resettable Fuses - PPTC 5.8 Ohms 40 A 9 VDC - 40 C+ 85 C

Learn More

Datasheet

5.000Expected 10/12/2026

Cut Tape

0,748 €

0,668 €

0,507 €

0,49 €

View

Reel

0,287 €

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Resettable Fuses - PPTC 150 mOhms 40 A 33 VDC - 40 C+ 85 C

SMDC185F/33-2
Littelfuse
1: 0,593 €
3.969Expected 9/8/2026

Mfr. Part No.
SMDC185F/33-2

Mouser Part No
650-SMDC185F/33-2

Littelfuse

Resettable Fuses - PPTC 150 mOhms 40 A 33 VDC - 40 C+ 85 C

Learn More

Datasheet

3.969Expected 9/8/2026

Cut Tape

0,593 €

0,546 €

0,453 €

0,418 €

View

Reel

0,287 €

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ESD Protection Diodes / TVS Diodes 24V 100W

SP24-01WTG-C-HV
Littelfuse
1: 0,318 €
19.930Expected 9/1/2026

Mfr. Part No.
SP24-01WTG-C-HV

Mouser Part No
576-SP24-01WTG-C-HV

Littelfuse

ESD Protection Diodes / TVS Diodes 24V 100W

Learn More

Datasheet

19.930Expected 9/1/2026

Cut Tape

0,318 €

0,139 €

0,121 €

0,09 €

View

Reel

0,046 €

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes SMF - A 170V

SMF170A
Littelfuse
1: 0,611 €
3.000Expected 12/24/2026

Mfr. Part No.
SMF170A

Mouser Part No
576-SMF170A

Littelfuse

ESD Protection Diodes / TVS Diodes SMF - A 170V

Learn More

Datasheet

3.000Expected 12/24/2026

Cut Tape

0,611 €

0,315 €

0,271 €

0,263 €

Reel

0,112 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Smart Thermostat Solutions

Types of Circuit Protection

Customer Service Office

Company

Resources

Support