Circuit Protection – Mouser Canada

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

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

Types of Circuit Protection

List Images

Results: 278

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 #

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

RXEF090S
Littelfuse
1: $0.691
41In Stock

Mfr. Part #
RXEF090S

Mouser Part #
650-RXEF090S

Littelfuse

Resettable Fuses - PPTC Radial Lead .9A 72V 40A Imax

Learn More

Datasheet

Product Comments

41In Stock

$0.691

$0.629

$0.522

$0.482

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 380 mOhms 40 A 72 VDC - 40 C+ 85 C

RXEF110-AP
Littelfuse
1: $0.86
1,688In Stock

Mfr. Part #
RXEF110-AP

Mouser Part #
650-RXEF110-AP

Littelfuse

Resettable Fuses - PPTC 380 mOhms 40 A 72 VDC - 40 C+ 85 C

Learn More

Datasheet

Product Comments

1,688In Stock

Cut Tape

$0.86

$0.792

$0.659

$0.608

Reel

$0.418

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

RXEF110K
Littelfuse
1: $0.737
2,324In Stock

Mfr. Part #
RXEF110K

Mouser Part #
650-RXEF110K

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

Learn More

Datasheet

Product Comments

2,324In Stock

$0.737

$0.672

$0.559

$0.516

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

RXEF110K-2
Littelfuse
1: $0.86
1,916In Stock
3,000Expected 2026-04-06

Mfr. Part #
RXEF110K-2

Mouser Part #
650-RXEF110K-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.1A 72V 40A Imax

Learn More

Datasheet

Product Comments

1,916In Stock

3,000Expected 2026-04-06

Cut Tape

$0.86

$0.786

$0.652

$0.602

Reel

$0.394

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 72V 40A 0.25Ohms

RXEF110K-AP
Littelfuse
1: $0.875
770In Stock

Mfr. Part #
RXEF110K-AP

Mouser Part #
650-RXEF110K-AP

Littelfuse

Resettable Fuses - PPTC 72V 40A 0.25Ohms

Learn More

Datasheet

770In Stock

Cut Tape

$0.875

$0.798

$0.662

$0.611

Reel

$0.411

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Polyswitch 2.7A

RXEF135-1
Littelfuse
1: $0.783
498In Stock

Mfr. Part #
RXEF135-1

Mouser Part #
650-RXEF135-1

Littelfuse

Resettable Fuses - PPTC Polyswitch 2.7A

Learn More

Datasheet

Product Comments

498In Stock

$0.783

$0.714

$0.593

$0.589

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax

RXEF135-2
Littelfuse
1: $0.844
1,653In Stock

Mfr. Part #
RXEF135-2

Mouser Part #
650-RXEF135-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.35A 72V 40A Imax

Learn More

Datasheet

Product Comments

1,653In Stock

Cut Tape

$0.844

$0.741

$0.628

$0.573

Reel

$0.399

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 300 mOhms 40 A 72 VDC - 40 C+ 85 C

RXEF135K-2
Littelfuse
1: $0.86
513In Stock
1,500Expected 2026-05-07

Mfr. Part #
RXEF135K-2

Mouser Part #
650-RXEF135K-2

Littelfuse

Resettable Fuses - PPTC 300 mOhms 40 A 72 VDC - 40 C+ 85 C

Learn More

Datasheet

Product Comments

513In Stock

1,500Expected 2026-05-07

Cut Tape

$0.86

$0.781

$0.651

$0.602

Reel

$0.387

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset Dev

RXEF135K-AP
Littelfuse
1: $0.798
516In Stock

Mfr. Part #
RXEF135K-AP

Mouser Part #
650-RXEF135K-AP

Littelfuse

Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset Dev

Learn More

Datasheet

Product Comments

516In Stock

Cut Tape

$0.798

$0.726

$0.725

$0.654

Reel

$0.425

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

RXEF160
Littelfuse
1: $0.814
2,373In Stock
9,000Expected 2026-04-07

Mfr. Part #
RXEF160

Mouser Part #
650-RXEF160

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

Learn More

Datasheet

Product Comments

2,373In Stock

9,000Expected 2026-04-07

$0.814

$0.749

$0.622

$0.565

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 72V 1.6A-HD 40A RXEF

RXEF160-AP
Littelfuse
1: $0.998
852In Stock

Mfr. Part #
RXEF160-AP

Mouser Part #
650-RXEF160-AP

Littelfuse

Resettable Fuses - PPTC 72V 1.6A-HD 40A RXEF

Learn More

Datasheet

Product Comments

852In Stock

Cut Tape

$0.998

$0.898

$0.884

$0.817

Reel

$0.445

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

RXEF160K
Littelfuse
1: $0.798
431In Stock

Mfr. Part #
RXEF160K

Mouser Part #
650-RXEF160K

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

Learn More

Datasheet

Product Comments

431In Stock

$0.798

$0.725

$0.602

$0.554

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

RXEF160K-2
Littelfuse
1: $0.982
391In Stock
4,500Expected 2026-04-06

Mfr. Part #
RXEF160K-2

Mouser Part #
650-RXEF160K-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.6A 72V 40A Imax

Learn More

Datasheet

Product Comments

391In Stock

4,500Expected 2026-04-06

Cut Tape

$0.982

$0.895

$0.743

$0.686

Reel

$0.448

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC Polyswitch 3.7A 1 inch lead

RXEF185-1
Littelfuse
1: $0.798
233In Stock

Mfr. Part #
RXEF185-1

Mouser Part #
650-RXEF185-1

Littelfuse

Resettable Fuses - PPTC Polyswitch 3.7A 1 inch lead

Learn More

Datasheet

Product Comments

233In Stock

$0.798

$0.725

$0.602

$0.556

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

RXEF185-2
Littelfuse
1: $1.06
1,743In Stock

Mfr. Part #
RXEF185-2

Mouser Part #
650-RXEF185-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

Learn More

Datasheet

Product Comments

1,743In Stock

Cut Tape

$1.06

$0.921

$0.804

$0.741

Reel

$0.485

View

Min.: 1
Mult.: 1

Reel: 1,500

Resettable Fuses - PPTC 1.85A 72V 40A Imax

RXEF185-AP
Littelfuse
1: $0.936
500In Stock

Mfr. Part #
RXEF185-AP

Mouser Part #
650-RXEF185-AP

Littelfuse

Resettable Fuses - PPTC 1.85A 72V 40A Imax

Learn More

Datasheet

Product Comments

500In Stock

Cut Tape

$0.936

$0.863

$0.717

$0.662

Reel

$0.505

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

RXEF185K
Littelfuse
1: $0.875
248In Stock

Mfr. Part #
RXEF185K

Mouser Part #
650-RXEF185K

Littelfuse

Resettable Fuses - PPTC Radial Lead 1.85A 72V 40A Imax

Learn More

Datasheet

Product Comments

248In Stock

$0.875

$0.795

$0.66

$0.609

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

RXEF250-2
Littelfuse
1: $1.64
7In Stock
2,000On Order

Mfr. Part #
RXEF250-2

Mouser Part #
650-RXEF250-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

Learn More

Datasheet

Product Comments

7In Stock

2,000On Order

Cut Tape

$1.64

$1.38

$1.06

$1.01

Reel

$0.66

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Polyswitch 3.7A

RXEF250-AP
Littelfuse
1: $1.23
1,655In Stock

Mfr. Part #
RXEF250-AP

Mouser Part #
650-RXEF250-AP

Littelfuse

Resettable Fuses - PPTC Polyswitch 3.7A

Learn More

Datasheet

Product Comments

1,655In Stock

Cut Tape

$1.23

$1.13

$0.939

$0.867

Reel

$0.662

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

RXEF250K
Littelfuse
1: $1.15
2,548In Stock

Mfr. Part #
RXEF250K

Mouser Part #
650-RXEF250K

Littelfuse

Resettable Fuses - PPTC Radial Lead 2.5A 72V 40A Imax

Learn More

Datasheet

Product Comments

2,548In Stock

$1.15

$1.05

$0.875

$0.807

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 3A 72V 40A Imax

RXEF300-1
Littelfuse
1: $1.40
210In Stock

Mfr. Part #
RXEF300-1

Mouser Part #
650-RXEF300-1

Littelfuse

Resettable Fuses - PPTC 3A 72V 40A Imax

Learn More

Datasheet

Product Comments

210In Stock

$1.40

$1.28

$1.07

$0.984

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

RXEF300-2
Littelfuse
1: $1.44
2,568In Stock

Mfr. Part #
RXEF300-2

Mouser Part #
650-RXEF300-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

Learn More

Datasheet

Product Comments

2,568In Stock

Cut Tape

$1.44

$1.43

$1.19

$1.10

Reel

$0.757

View

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset De

RXEF300-AP
Littelfuse
1: $1.89
851In Stock

Mfr. Part #
RXEF300-AP

Mouser Part #
650-RXEF300-AP

Littelfuse

Resettable Fuses - PPTC 40A 72V 2Pin Ammo Pk PolySwitch Reset De

Learn More

Datasheet

Product Comments

851In Stock

Cut Tape

$1.89

$1.57

$1.44

$1.20

View

Reel

$0.761

Min.: 1
Mult.: 1

Reel: 1,000

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

RXEF300K
Littelfuse
1: $1.24
199In Stock

Mfr. Part #
RXEF300K

Mouser Part #
650-RXEF300K

Littelfuse

Resettable Fuses - PPTC Radial Lead 3A 72V 40A Imax

Learn More

Datasheet

Product Comments

199In Stock

$1.24

$1.15

$0.969

$0.901

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax

RXEF375K
Littelfuse
1: $1.63
1,268In Stock

Mfr. Part #
RXEF375K

Mouser Part #
650-RXEF375K

Littelfuse

Resettable Fuses - PPTC Radial Lead 3.75A 72V 40A Imax

Learn More

Datasheet

Product Comments

1,268In Stock

$1.63

$1.35

$1.16

$1.01

View

Min.: 1
Mult.: 1

Types of Circuit Protection

Mouser Electronics®

Company

Resources

Support