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: 352

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 3kW 78V 5% Uni-Directional

SMDJ78A
Littelfuse
1: $2.05
337In Stock
3,000Expected 28/9/2026

Mfr. Part No.
SMDJ78A

Mouser Part No
576-SMDJ78A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Uni-Directional

Learn More

Datasheet

337In Stock

3,000Expected 28/9/2026

Cut Tape

$2.05

$1.30

$0.864

$0.676

$0.613

Reel

$0.539

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

SMDJ78CA
Littelfuse
1: $2.05
1,096In Stock
3,000Expected 19/10/2026

Mfr. Part No.
SMDJ78CA

Mouser Part No
576-SMDJ78CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

Learn More

Datasheet

1,096In Stock

3,000Expected 19/10/2026

Cut Tape

$2.05

$1.30

$1.28

$1.06

$0.88

Reel

$0.734

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

SMDJ78CA-T7
Littelfuse
1: $2.05
140In Stock

Mfr. Part No.
SMDJ78CA-T7

Mouser Part No
576-SMDJ78CA-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 78V 5% Bi-Directional

Learn More

Datasheet

140In Stock

Cut Tape

$2.05

$1.30

$1.12

Reel

$0.767

$0.734

Min.: 1
Mult.: 1

: 500

ESD Protection Diodes / TVS Diodes 3kW 85V 5% Uni-Directional

SMDJ85A
Littelfuse
1: $1.94
1,113In Stock
3,000Expected 15/4/2027

Mfr. Part No.
SMDJ85A

Mouser Part No
576-SMDJ85A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 85V 5% Uni-Directional

Learn More

Datasheet

1,113In Stock

3,000Expected 15/4/2027

Cut Tape

$1.94

$1.03

$0.84

$0.695

$0.66

Reel

$0.539

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 90V 5% Uni-Directional

SMDJ90A
Littelfuse
1: $2.18
286In Stock
12,000On Order

Mfr. Part No.
SMDJ90A

Mouser Part No
576-SMDJ90A

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 90V 5% Uni-Directional

Learn More

Datasheet

286In Stock

12,000On Order

Cut Tape

$2.18

$1.37

$0.913

$0.695

$0.631

Reel

$0.539

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 90V 5% Uni-Directional

SMDJ90A-T7
Littelfuse
1: $2.07
425In Stock

Mfr. Part No.
SMDJ90A-T7

Mouser Part No
576-SMDJ90A-T7

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 90V 5% Uni-Directional

Learn More

Datasheet

425In Stock

Cut Tape

$2.07

$1.30

$0.876

Reel

$0.65

$0.579

$0.537

Min.: 1
Mult.: 1

: 500

Resettable Fuses - PPTC RGEF1100

RGEF1100
Littelfuse
1: $1.31
785In Stock
500Expected 19/10/2026

Mfr. Part No.
RGEF1100

Mouser Part No
650-RGEF1100

Littelfuse

Resettable Fuses - PPTC RGEF1100

Learn More

Datasheet

785In Stock

500Expected 19/10/2026

$1.31

$1.19

$0.991

$0.914

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF1200

RGEF1200
Littelfuse
1: $1.43
979In Stock

Mfr. Part No.
RGEF1200

Mouser Part No
650-RGEF1200

Littelfuse

Resettable Fuses - PPTC RGEF1200

Learn More

Datasheet

979In Stock

$1.43

$1.32

$1.09

$1.01

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF1200-2

RGEF1200-2
Littelfuse
1: $1.39
2,369In Stock

Mfr. Part No.
RGEF1200-2

Mouser Part No
650-RGEF1200-2

Littelfuse

Resettable Fuses - PPTC RGEF1200-2

Learn More

Datasheet

2,369In Stock

Cut Tape

$1.39

$1.28

$1.06

$0.979

Reel

$0.747

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC RGEF1400

RGEF1400
Littelfuse
1: $1.90
1,384In Stock
1,250Expected 16/12/2026

Mfr. Part No.
RGEF1400

Mouser Part No
650-RGEF1400

Littelfuse

Resettable Fuses - PPTC RGEF1400

Learn More

Datasheet

1,384In Stock

1,250Expected 16/12/2026

$1.90

$1.54

$1.28

$1.12

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF250

RGEF250
Littelfuse
1: $0.721
1,801In Stock

Mfr. Part No.
RGEF250

Mouser Part No
650-RGEF250

Littelfuse

Resettable Fuses - PPTC RGEF250

Learn More

Datasheet

1,801In Stock

$0.721

$0.66

$0.548

$0.506

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 16V 2.5A-HD 100A RGEF

RGEF250-AP
Littelfuse
1: $0.762
1,175In Stock

Mfr. Part No.
RGEF250-AP

Mouser Part No
650-RGEF250-AP

Littelfuse

Resettable Fuses - PPTC 16V 2.5A-HD 100A RGEF

Learn More

Datasheet

1,175In Stock

Cut Tape

$0.762

$0.699

$0.579

$0.536

$0.481

Reel

$0.389

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC Radial Lead 3A 16V 100A Imax

RGEF300K
Littelfuse
1: $0.748
78In Stock

Mfr. Part No.
RGEF300K

Mouser Part No
650-RGEF300K

Littelfuse

Resettable Fuses - PPTC Radial Lead 3A 16V 100A Imax

Learn More

Datasheet

78In Stock

$0.748

$0.745

$0.684

$0.526

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 3A 16V 100A Imax

RGEF300K-2
Littelfuse
1: $0.925
2,856In Stock

Mfr. Part No.
RGEF300K-2

Mouser Part No
650-RGEF300K-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 3A 16V 100A Imax

Learn More

Datasheet

2,856In Stock

Cut Tape

$0.925

$0.847

$0.703

$0.649

View

Reel

$0.407

Min.: 1
Mult.: 1

: 2,500

Resettable Fuses - PPTC RGEF400

RGEF400
Littelfuse
1: $0.789
140In Stock
5,000On Order

Mfr. Part No.
RGEF400

Mouser Part No
650-RGEF400

Littelfuse

Resettable Fuses - PPTC RGEF400

Learn More

Datasheet

140In Stock

5,000On Order

$0.789

$0.681

$0.585

$0.52

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF500-2

RGEF500-2
Littelfuse
1: $1.06
385In Stock
14,000Expected 30/9/2026

Mfr. Part No.
RGEF500-2

Mouser Part No
650-RGEF500-2

Littelfuse

Resettable Fuses - PPTC RGEF500-2

Learn More

Datasheet

385In Stock

14,000Expected 30/9/2026

Cut Tape

$1.06

$0.952

$0.808

$0.714

Reel

$0.449

View

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC Polyswitch 8.5A

RGEF500K-2
Littelfuse
1: $1.06
775In Stock

Mfr. Part No.
RGEF500K-2

Mouser Part No
650-RGEF500K-2

Littelfuse

Resettable Fuses - PPTC Polyswitch 8.5A

Learn More

Datasheet

775In Stock

Cut Tape

$1.06

$0.974

$0.808

$0.745

View

Reel

$0.473

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC RGEF600

RGEF600
Littelfuse
1: $0.911
2,037In Stock

Mfr. Part No.
RGEF600

Mouser Part No
650-RGEF600

Littelfuse

Resettable Fuses - PPTC RGEF600

Learn More

Datasheet

2,037In Stock

$0.911

$0.834

$0.692

$0.639

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF600K-2

RGEF600K-2
Littelfuse
1: $1.12
459In Stock

Mfr. Part No.
RGEF600K-2

Mouser Part No
650-RGEF600K-2

Littelfuse

Resettable Fuses - PPTC RGEF600K-2

Learn More

Datasheet

459In Stock

Cut Tape

$1.12

$1.02

$0.82

$0.774

View

Reel

$0.498

Min.: 1
Mult.: 1

: 2,000

Resettable Fuses - PPTC RGEF700

RGEF700
Littelfuse
1: $0.952
286In Stock
500Expected 14/12/2026

Mfr. Part No.
RGEF700

Mouser Part No
650-RGEF700

Littelfuse

Resettable Fuses - PPTC RGEF700

Learn More

Datasheet

286In Stock

500Expected 14/12/2026

$0.952

$0.869

$0.722

$0.666

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC Radial Lead 7A 16V 100A Imax

RGEF700K-2
Littelfuse
1: $1.16
2,981In Stock

Mfr. Part No.
RGEF700K-2

Mouser Part No
650-RGEF700K-2

Littelfuse

Resettable Fuses - PPTC Radial Lead 7A 16V 100A Imax

Learn More

Datasheet

2,981In Stock

Cut Tape

$1.16

$1.06

$0.879

$0.808

View

Reel

$0.52

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC RGEF800-2

RGEF800-2
Littelfuse
1: $1.36
2,503In Stock

Mfr. Part No.
RGEF800-2

Mouser Part No
650-RGEF800-2

Littelfuse

Resettable Fuses - PPTC RGEF800-2

Learn More

Datasheet

2,503In Stock

Cut Tape

$1.36

$1.25

$1.01

$0.96

View

Reel

$0.624

Min.: 1
Mult.: 1

: 1,500

Resettable Fuses - PPTC RGEF900

RGEF900
Littelfuse
1: $1.13
2,210In Stock

Mfr. Part No.
RGEF900

Mouser Part No
650-RGEF900

Littelfuse

Resettable Fuses - PPTC RGEF900

Learn More

Datasheet

2,210In Stock

$1.13

$1.04

$0.861

$0.794

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC RGEF900-2

RGEF900-2
Littelfuse
1: $1.36
570In Stock

Mfr. Part No.
RGEF900-2

Mouser Part No
650-RGEF900-2

Littelfuse

Resettable Fuses - PPTC RGEF900-2

Learn More

Datasheet

570In Stock

Cut Tape

$1.36

$1.25

$1.03

$0.96

Reel

$0.627

View

Min.: 1
Mult.: 1

: 1,000

Resettable Fuses - PPTC .9A 30V 100A Imax

RUEF090-2
Littelfuse
1: $0.734
4,966In Stock

Mfr. Part No.
RUEF090-2

Mouser Part No
650-RUEF090-2

Littelfuse

Resettable Fuses - PPTC .9A 30V 100A Imax

Learn More

Datasheet

4,966In Stock

Cut Tape

$0.734

$0.646

$0.562

$0.487

View

Reel

$0.317

Min.: 1
Mult.: 1

: 3,000

Types of Circuit Protection

Customer Service Office

Company

Resources

Support