Circuit Protection – Mouser Canada

.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 #

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V30MLA1210NH
Littelfuse
1: $1.93
14,024In Stock

Mfr. Part #
V30MLA1210NH

Mouser Part #
576-V30MLA1210NH

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

14,024In Stock

Cut Tape

$1.93

$1.40

$1.27

$1.12

View

Reel

$0.956

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors MULTI LAYER VARISTOR SURFACE MOUNT

V30MLA1210NT
Littelfuse
1: $1.93
6,401In Stock

Mfr. Part #
V30MLA1210NT

Mouser Part #
576-V30MLA1210NT

Littelfuse

Varistors MULTI LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

6,401In Stock

Cut Tape

$1.93

$1.40

$1.27

$1.12

View

Reel

$0.956

MouseReel Available

Min.: 1
Mult.: 1

Reel: 8,000

Varistors 33V 180A 500pF

V33MLA1206NT
Littelfuse
1: $1.60
9,074In Stock

Mfr. Part #
V33MLA1206NT

Mouser Part #
576-V33MLA1206NT

Littelfuse

Varistors 33V 180A 500pF

Learn More

Datasheet

9,074In Stock

Cut Tape

$1.60

$1.15

$1.04

$0.915

View

Reel

$0.769

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V38MLA1812NT
Littelfuse
1: $4.39
1,985In Stock

Mfr. Part #
V38MLA1812NT

Mouser Part #
576-V38MLA1812NT

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

1,985In Stock

Cut Tape

$4.39

$3.05

$2.89

$2.46

View

Reel

$1.64

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors 5.5 VDC .05J 21V-CL 185PF P

V5.5MLA0402NR
Littelfuse
1: $0.507
37,921In Stock

Mfr. Part #
V5.5MLA0402NR

Mouser Part #
576-V5.5MLA0402NR

Littelfuse

Varistors 5.5 VDC .05J 21V-CL 185PF P

Learn More

Datasheet

37,921In Stock

Cut Tape

$0.507

$0.312

$0.269

$0.247

View

Reel

$0.181

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

V5.5MLA0603LNR
Littelfuse
1: $1.23
16,954In Stock
16,000Expected 2026-03-09

Mfr. Part #
V5.5MLA0603LNR

Mouser Part #
576-V5.5MLA0603LNR

Littelfuse

Varistors MULTI-LAYER VARISTOR SURFACE MOUNT

Learn More

Datasheet

16,954In Stock

16,000Expected 2026-03-09

Cut Tape

$1.23

$0.725

$0.502

$0.467

Reel

$0.259

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

Varistors 5.5V 30A 760pF

V5.5MLA0603NH
Littelfuse
1: $0.599
58,891In Stock

Mfr. Part #
V5.5MLA0603NH

Mouser Part #
576-V5.5MLA0603NH

Littelfuse

Varistors 5.5V 30A 760pF

Learn More

Datasheet

58,891In Stock

Cut Tape

$0.599

$0.373

$0.324

$0.299

View

Reel

$0.253

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 5.5 VDC .1J 17.5V-CL 40A P

V5.5MLA0805LNH
Littelfuse
1: $1.27
37,789In Stock

Mfr. Part #
V5.5MLA0805LNH

Mouser Part #
576-V5.5MLA0805LNH

Littelfuse

Varistors 5.5 VDC .1J 17.5V-CL 40A P

Learn More

Datasheet

37,789In Stock

Cut Tape

$1.27

$0.76

$0.527

$0.49

View

Reel

$0.266

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 5.5V 120A 1840pF

V5.5MLA0805NT
Littelfuse
1: $1.27
11,033In Stock

Mfr. Part #
V5.5MLA0805NT

Mouser Part #
576-V5.5MLA0805NT

Littelfuse

Varistors 5.5V 120A 1840pF

Learn More

Datasheet

11,033In Stock

Cut Tape

$1.27

$0.76

$0.527

$0.49

View

Reel

$0.266

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors 5.5V 150A 3500pF

V5.5MLA1206NH
Littelfuse
1: $1.70
13,418In Stock

Mfr. Part #
V5.5MLA1206NH

Mouser Part #
576-V5.5MLA1206NH

Littelfuse

Varistors 5.5V 150A 3500pF

Learn More

Datasheet

13,418In Stock

Cut Tape

$1.70

$1.23

$1.11

$0.984

View

Reel

$0.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 5.5 VDC .4J 17.5V-CL 150A P

V5.5MLA1206NT
Littelfuse
1: $1.70
8,495In Stock

Mfr. Part #
V5.5MLA1206NT

Mouser Part #
576-V5.5MLA1206NT

Littelfuse

Varistors 5.5 VDC .4J 17.5V-CL 150A P

Learn More

Datasheet

8,495In Stock

Cut Tape

$1.70

$1.23

$1.11

$0.984

View

Reel

$0.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors 56 VDC 1J 120V-CL 180A PK

V56MLA1206NH
Littelfuse
1: $1.70
7,222In Stock

Mfr. Part #
V56MLA1206NH

Mouser Part #
576-V56MLA1206NH

Littelfuse

Varistors 56 VDC 1J 120V-CL 180A PK

Learn More

Datasheet

7,222In Stock

Cut Tape

$1.70

$1.23

$1.11

$0.984

View

Reel

$0.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Varistors 60 VDC 1.5J 120V-CL 250A PK

V60MLA1210NH
Littelfuse
1: $1.93
2,775In Stock
4,000Expected 2026-06-22

Mfr. Part #
V60MLA1210NH

Mouser Part #
576-V60MLA1210NH

Littelfuse

Varistors 60 VDC 1.5J 120V-CL 250A PK

Learn More

Datasheet

2,775In Stock

4,000Expected 2026-06-22

Cut Tape

$1.93

$1.40

$1.27

$1.12

View

Reel

$0.956

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors 85 VDC 2.5J 180V-CL 250A PK

V85MLA1210NH
Littelfuse
1: $1.93
7,726In Stock

Mfr. Part #
V85MLA1210NH

Mouser Part #
576-V85MLA1210NH

Littelfuse

Varistors 85 VDC 2.5J 180V-CL 250A PK

Learn More

Datasheet

7,726In Stock

Cut Tape

$1.93

$1.40

$1.27

$1.12

View

Reel

$0.956

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP

V9MLA0402LNR
Littelfuse
1: $0.461
19,878In Stock

Mfr. Part #
V9MLA0402LNR

Mouser Part #
576-V9MLA0402LNR

Littelfuse

Varistors MLV VARISTOR 9V 0402 ML SERIES LOW CAP

Learn More

Datasheet

19,878In Stock

Cut Tape

$0.461

$0.281

$0.243

$0.224

View

Reel

$0.181

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Varistors 9V 20A 120pF 22V-CLAMP@1A-PK

V9MLA0402NR
Littelfuse
1: $0.507
22,867In Stock

Mfr. Part #
V9MLA0402NR

Mouser Part #
576-V9MLA0402NR

Littelfuse

Varistors 9V 20A 120pF 22V-CLAMP@1A-PK

Learn More

Datasheet

22,867In Stock

Cut Tape

$0.507

$0.313

$0.269

$0.249

View

Reel

$0.181

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

ESD Protection Diodes / TVS Diodes 0.25pFA 24V 0402 AEC-Q200

PESD0402-240
Littelfuse
1: $0.368
18,949In Stock

Mfr. Part #
PESD0402-240

Mouser Part #
650-PESD0402-240

Littelfuse

ESD Protection Diodes / TVS Diodes 0.25pFA 24V 0402 AEC-Q200

Learn More

Datasheet

18,949In Stock

Cut Tape

$0.368

$0.293

$0.23

$0.213

$0.209

Reel

$0.183

MouseReel Available

Min.: 1
Mult.: 1

Reel: 10,000

Resettable Fuses - PPTC SMDC310F/18-02

SMDC310F/18-02
Littelfuse
1: $3.79
4,477In Stock
5,500Expected 2026-03-19

Mfr. Part #
SMDC310F/18-02

Mouser Part #
650-SMDC310F/18-02

Littelfuse

Resettable Fuses - PPTC SMDC310F/18-02

Learn More

Datasheet

4,477In Stock

5,500Expected 2026-03-19

Cut Tape

$3.79

$3.15

$2.90

$2.41

View

Reel

$1.61

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

2920L030DR-A
Littelfuse
1: $1.17
1,045In Stock

Mfr. Part #
2920L030DR-A

Mouser Part #
576-2920L030DR-A

Littelfuse

Resettable Fuses - PPTC 60V 300MA-HD 10A MAX

Learn More

Datasheet

1,045In Stock

Cut Tape

$1.17

$1.07

$0.887

$0.818

Reel

$0.536

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 0.75A 30V 2920

2920L075DR
Littelfuse
1: $0.952
4,627In Stock
3,748Expected 2026-04-06

Mfr. Part #
2920L075DR

Mouser Part #
576-2920L075

Littelfuse

Resettable Fuses - PPTC 0.75A 30V 2920

Learn More

Datasheet

4,627In Stock

3,748Expected 2026-04-06

Cut Tape

$0.952

$0.867

$0.721

$0.665

View

Reel

$0.436

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC PTC PLYFUSE SMT 2920 60V .750A

2920L075/60MR
Littelfuse
1: $1.03
2,628In Stock
4,900Expected 2026-06-03

Mfr. Part #
2920L075/60MR

Mouser Part #
576-2920L075/60MR

Littelfuse

Resettable Fuses - PPTC PTC PLYFUSE SMT 2920 60V .750A

Learn More

Datasheet

2,628In Stock

4,900Expected 2026-06-03

Cut Tape

$1.03

$0.944

$0.783

$0.723

View

Reel

$0.477

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 60V 1.1A-HD 20A MAX

2920L110/60MR-A
Littelfuse
1: $1.40
1,494In Stock

Mfr. Part #
2920L110/60MR-A

Mouser Part #
576-2920L110/60MR-A

Littelfuse

Resettable Fuses - PPTC 60V 1.1A-HD 20A MAX

Learn More

Datasheet

1,494In Stock

Cut Tape

$1.40

$1.29

$1.07

$0.985

Reel

$0.677

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 2.0A 15V 2920

2920L200DR
Littelfuse
1: $0.967
596In Stock
1,500Expected 2026-05-25

Mfr. Part #
2920L200DR

Mouser Part #
576-2920L200

Littelfuse

Resettable Fuses - PPTC 2.0A 15V 2920

Learn More

Datasheet

596In Stock

1,500Expected 2026-05-25

Cut Tape

$0.967

$0.915

$0.804

$0.752

View

Reel

$0.513

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 6V 2920 3A SURF MOUNT

2920L300DR
Littelfuse
1: $1.09
1,018In Stock

Mfr. Part #
2920L300DR

Mouser Part #
576-2920L300DR

Littelfuse

Resettable Fuses - PPTC 6V 2920 3A SURF MOUNT

Learn More

Datasheet

1,018In Stock

Cut Tape

$1.09

$1.01

$0.835

$0.755

View

Reel

$0.513

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 24V 3.3A-HD 40A SMD

2920L330/24MR-A
Littelfuse
1: $2.93
1,424In Stock

Mfr. Part #
2920L330/24MR-A

Mouser Part #
576-2920L330/24MR-A

Littelfuse

Resettable Fuses - PPTC 24V 3.3A-HD 40A SMD

Learn More

Datasheet

1,424In Stock

Cut Tape

$2.93

$2.70

$2.24

$2.07

Reel

$1.42

View

Min.: 1
Mult.: 1

Reel: 1,000

Smart Thermostat Solutions

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support