Circuit Protection – Mouser Singapore

.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: 242

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 600W 91V AEC-Q101 5% Bi-Directional

TPSMB91CA
Littelfuse
1: $0.925
3,143In Stock

Mfr. Part No.
TPSMB91CA

Mouser Part No
576-TPSMB91CA

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 91V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

3,143In Stock

Cut Tape

$0.925

$0.548

$0.457

$0.348

Reel

$0.268

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 60V 40A Ammo Pack Radial-leaded Device

RKEF050-AP
Littelfuse
1: $0.789
1,950In Stock

Mfr. Part No.
RKEF050-AP

Mouser Part No
650-RKEF050-AP

Littelfuse

Resettable Fuses - PPTC 60V 40A Ammo Pack Radial-leaded Device

Learn More

Datasheet

1,950In Stock

Cut Tape

$0.789

$0.718

$0.597

$0.551

View

Reel

$0.34

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC 60V 40A 1.25W Radial-leaded Device

RKEF065
Littelfuse
1: $0.626
497In Stock

Mfr. Part No.
RKEF065

Mouser Part No
650-RKEF065

Littelfuse

Resettable Fuses - PPTC 60V 40A 1.25W Radial-leaded Device

Learn More

Datasheet

497In Stock

$0.626

$0.575

$0.479

$0.442

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 1.40W Radial-leaded Device

RKEF075
Littelfuse
1: $0.653
617In Stock
1,000Expected 14/12/2026

Mfr. Part No.
RKEF075

Mouser Part No
650-RKEF075

Littelfuse

Resettable Fuses - PPTC 60V 40A 1.40W Radial-leaded Device

Learn More

Datasheet

617In Stock

1,000Expected 14/12/2026

$0.653

$0.592

$0.491

$0.454

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 0.39Ohms

RKEF075-2
Littelfuse
1: $0.802
969In Stock

Mfr. Part No.
RKEF075-2

Mouser Part No
650-RKEF075-2

Littelfuse

Resettable Fuses - PPTC 60V 40A 0.39Ohms

Learn More

Datasheet

969In Stock

Cut Tape

$0.802

$0.737

$0.612

$0.564

View

Reel

$0.348

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 60V 40A 1.50W Radial-leaded Device

RKEF090
Littelfuse
1: $0.734
1,509In Stock

Mfr. Part No.
RKEF090

Mouser Part No
650-RKEF090

Littelfuse

Resettable Fuses - PPTC 60V 40A 1.50W Radial-leaded Device

Learn More

Datasheet

1,509In Stock

$0.734

$0.666

$0.554

$0.511

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 2.40W Radial-leaded Device

RKEF160
Littelfuse
1: $0.775
1,242In Stock

Mfr. Part No.
RKEF160

Mouser Part No
650-RKEF160

Littelfuse

Resettable Fuses - PPTC 60V 40A 2.40W Radial-leaded Device

Learn More

Datasheet

1,242In Stock

$0.775

$0.71

$0.59

$0.544

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 0.085Ohms

RKEF250K
Littelfuse
1: $0.87
1,500In Stock

Mfr. Part No.
RKEF250K

Mouser Part No
650-RKEF250K

Littelfuse

Resettable Fuses - PPTC 60V 40A 0.085Ohms

Learn More

Datasheet

1,500In Stock

$0.87

$0.804

$0.666

$0.616

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 3.20W Radial-leaded Device

RKEF300
Littelfuse
1: $1.01
2,360In Stock
3,500Expected 19/10/2026

Mfr. Part No.
RKEF300

Mouser Part No
650-RKEF300

Littelfuse

Resettable Fuses - PPTC 60V 40A 3.20W Radial-leaded Device

Learn More

Datasheet

2,360In Stock

3,500Expected 19/10/2026

$1.01

$0.918

$0.763

$0.704

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 50 mOhms 40 A 60 VDC - 40 C+ 85 C

RKEF300-2
Littelfuse
1: $1.21
2,150In Stock

Mfr. Part No.
RKEF300-2

Mouser Part No
650-RKEF300-2

Littelfuse

Resettable Fuses - PPTC 50 mOhms 40 A 60 VDC - 40 C+ 85 C

Learn More

Datasheet

2,150In Stock

Cut Tape

$1.21

$1.11

$0.894

$0.847

Reel

$0.554

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC 60V 40A 3.40W Radial-leaded Device

RKEF375
Littelfuse
1: $1.21
2,865In Stock

Mfr. Part No.
RKEF375

Mouser Part No
650-RKEF375

Littelfuse

Resettable Fuses - PPTC 60V 40A 3.40W Radial-leaded Device

Learn More

Datasheet

2,865In Stock

$1.21

$1.02

$0.876

$0.843

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 3.75A-HD 40A MAX

RKEF375K
Littelfuse
1: $1.02
450In Stock

Mfr. Part No.
RKEF375K

Mouser Part No
650-RKEF375K

Littelfuse

Resettable Fuses - PPTC 60V 3.75A-HD 40A MAX

Learn More

Datasheet

450In Stock

$1.02

$0.936

$0.777

$0.717

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 60V 40A 3.70W Radial-leaded Device

RKEF400
Littelfuse
1: $1.25
1,815In Stock
6,500Expected 28/10/2026

Mfr. Part No.
RKEF400

Mouser Part No
650-RKEF400

Littelfuse

Resettable Fuses - PPTC 60V 40A 3.70W Radial-leaded Device

Learn More

Datasheet

1,815In Stock

6,500Expected 28/10/2026

$1.25

$1.15

$0.959

$0.884

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RKEF500K-2

RKEF500K-2
Littelfuse
1: $1.96
642In Stock
1,000Expected 2/12/2026

Mfr. Part No.
RKEF500K-2

Mouser Part No
650-RKEF500K-2

Littelfuse

Resettable Fuses - PPTC RKEF500K-2

Learn More

Datasheet

642In Stock

1,000Expected 2/12/2026

Cut Tape

$1.96

$1.81

$1.50

$1.39

Reel

$0.902

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC Polyswitch 0.2A 60V

RXEF010-1
Littelfuse
1: $0.571
378In Stock

Mfr. Part No.
RXEF010-1

Mouser Part No
650-RXEF010-1

Littelfuse

Resettable Fuses - PPTC Polyswitch 0.2A 60V

Learn More

Datasheet

Product Comments

378In Stock

$0.571

$0.524

$0.435

$0.401

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC .1A 60V 40A Imax

RXEF010-AP
Littelfuse
1: $0.666
834In Stock

Mfr. Part No.
RXEF010-AP

Mouser Part No
650-RXEF010-AP

Littelfuse

Resettable Fuses - PPTC .1A 60V 40A Imax

Learn More

Datasheet

Product Comments

834In Stock

Cut Tape

$0.666

$0.589

$0.507

$0.442

View

Reel

$0.284

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

RXEF010S
Littelfuse
1: $0.53
240In Stock
1,500Expected 18/8/2026

Mfr. Part No.
RXEF010S

Mouser Part No
650-RXEF010S

Littelfuse

Resettable Fuses - PPTC Radial Lead .1A 60V 40A Imax

Learn More

Datasheet

Product Comments

240In Stock

1,500Expected 18/8/2026

$0.53

$0.483

$0.401

$0.37

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax

RXEF017-2
Littelfuse
1: $0.666
3,527In Stock

Mfr. Part No.
RXEF017-2

Mouser Part No
650-RXEF017-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .17A 60V 40A Imax

Learn More

Datasheet

Product Comments

3,527In Stock

Cut Tape

$0.666

$0.611

$0.507

$0.461

Reel

$0.275

View

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020-2
Littelfuse
1: $0.68
2,895In Stock
3,000Expected 12/10/2026

Mfr. Part No.
RXEF020-2

Mouser Part No
650-RXEF020-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

Learn More

Datasheet

Product Comments

2,895In Stock

3,000Expected 12/10/2026

Cut Tape

$0.68

$0.62

$0.515

$0.469

Reel

$0.273

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 72V 200MA 40A RXEF

RXEF020-AP
Littelfuse
1: $0.68
1,670In Stock

Mfr. Part No.
RXEF020-AP

Mouser Part No
650-RXEF020-AP

Littelfuse

Resettable Fuses - PPTC 72V 200MA 40A RXEF

Learn More

Datasheet

Product Comments

1,670In Stock

Cut Tape

$0.68

$0.571

$0.511

$0.423

View

Reel

$0.288

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020S
Littelfuse
1: $0.544
566In Stock

Mfr. Part No.
RXEF020S

Mouser Part No
650-RXEF020S

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

Learn More

Datasheet

Product Comments

566In Stock

$0.544

$0.491

$0.408

$0.377

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

RXEF020S-2
Littelfuse
1: $0.68
1,235In Stock

Mfr. Part No.
RXEF020S-2

Mouser Part No
650-RXEF020S-2

Littelfuse

Resettable Fuses - PPTC Radial Lead .2A 72V 40A Imax

Learn More

Datasheet

Product Comments

1,235In Stock

Cut Tape

$0.68

$0.62

$0.515

$0.476

View

Reel

$0.288

Min.: 1
Mult.: 1

: 3,000

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

RXEF030-2
Littelfuse
1: $0.68
3,286In Stock
6,000Expected 2/12/2026

Mfr. Part No.
RXEF030-2

Mouser Part No
650-RXEF030-2

Littelfuse

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

Learn More

Datasheet

Product Comments

3,286In Stock

6,000Expected 2/12/2026

Cut Tape

$0.68

$0.579

$0.526

$0.453

Reel

$0.283

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC 72V 300MA 40A RXEF

RXEF030-AP
Littelfuse
1: $0.707
1,080In Stock

Mfr. Part No.
RXEF030-AP

Mouser Part No
650-RXEF030-AP

Littelfuse

Resettable Fuses - PPTC 72V 300MA 40A RXEF

Learn More

Datasheet

Product Comments

1,080In Stock

Cut Tape

$0.707

$0.645

$0.534

$0.49

View

Reel

$0.301

Min.: 1
Mult.: 1

: 2,000

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

RXEF030S
Littelfuse
1: $0.558
2,000In Stock

Mfr. Part No.
RXEF030S

Mouser Part No
650-RXEF030S

Littelfuse

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

Learn More

Datasheet

Product Comments

2,000In Stock

$0.558

$0.511

$0.424

$0.392

View

Min.: 1
Mult.: 1

Types of Circuit Protection

Customer Service Office

Company

Resources

Support