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

Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
More...

Please view our selection of circuit protection devices below.

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

Types of Circuit Protection

List Images

Results: 361,792

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.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; }

Download Table (.CSV)

Part #

ESD Protection Diodes / TVS Diodes 1500W 6.5V

SMCJ6.5A-13-F
Diodes Incorporated
1: €0.585
5,353In Stock

Mfr. Part No.
SMCJ6.5A-13-F

Mouser Part No
621-SMCJ6.5A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 6.5V

Datasheet

5,353In Stock

Cut Tape

€0.585

€0.468

€0.446

Reel

€0.446

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 64.0V

SMCJ64A-13-F
Diodes Incorporated
1: €1.02
4,201In Stock

Mfr. Part No.
SMCJ64A-13-F

Mouser Part No
621-SMCJ64A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 64.0V

Datasheet

4,201In Stock

Cut Tape

€1.02

€0.701

€0.446

Reel

€0.446

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1500W 7.0V

SMCJ7.0A-13-F
Diodes Incorporated
1: €0.645
2,831In Stock

Mfr. Part No.
SMCJ7.0A-13-F

Mouser Part No
621-SMCJ7.0A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 1500W 7.0V

Datasheet

2,831In Stock

Cut Tape

€0.645

€0.52

€0.482

€0.462

€0.448

Reel

€0.446

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 5000W 28V Unidirect

5KP28A-E3/54
Vishay Semiconductors
1: €4.96
1,359In Stock

Mfr. Part No.
5KP28A-E3/54

Mouser Part No
625-5KP28A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 28V Unidirect

Learn More

Datasheet

1,359In Stock

Cut Tape

€4.96

€3.39

€2.74

€2.43

Reel

€1.95

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 400W 150V 5% Bi

SMAJ150CA-E3/61
Vishay Semiconductors
1: €0.249
17,125In Stock

Mfr. Part No.
SMAJ150CA-E3/61

Mouser Part No
625-SMAJ150CA-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W 150V 5% Bi

Learn More

Datasheet

17,125In Stock

Cut Tape

€0.249

€0.189

€0.079

Reel

€0.079

MouseReel Available

Min.: 1
Mult.: 1

: 1,800

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT

GTCA28-302M-R03
Littelfuse
1: €2.36
978In Stock

Mfr. Part No.
GTCA28-302M-R03

Mouser Part No
650-GTCA28-302M-R03

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 3000V 2POLE AXIAL LEAD HV GDT

Learn More

Datasheet

978In Stock

€2.36

€2.24

€2.18

€1.86

View

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

GTCA28-601M-R05
Littelfuse
1: €2.72
988In Stock

Mfr. Part No.
GTCA28-601M-R05

Mouser Part No
650-GTCA28-601M-R05

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 600V 2POLE AXIAL LEADS GDT

Learn More

Datasheet

988In Stock

€2.72

€2.25

€2.08

€1.73

View

Min.: 1
Mult.: 1

Industrial Surge Protectors FLT-SEC-P-T1-1S- 350/25-FM

2905415
Phoenix Contact
1: €552.87
4In Stock

Mfr. Part No.
2905415

Mouser Part No
651-2905415

Phoenix Contact

Industrial Surge Protectors FLT-SEC-P-T1-1S- 350/25-FM

Learn More

Datasheet

4In Stock

€552.87

€508.49

Min.: 1
Mult.: 1

Varistors CHIP GUARD 24VOLT

CG0402MLU-24G
Bourns
1: €0.31
23,535In Stock

Mfr. Part No.
CG0402MLU-24G

Mouser Part No
652-CG0402MLU-24G

Bourns

Varistors CHIP GUARD 24VOLT

Learn More

Datasheet

23,535In Stock

Cut Tape

€0.31

€0.192

€0.166

€0.153

View

Reel

€0.125

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Thermal Cut-offs TRIP TEMP 77C 5C TOL

HC77AY-1
Bourns
1: €1.29
3,163In Stock

Mfr. Part No.
HC77AY-1

Mouser Part No
652-HC77AY-1

Bourns

Thermal Cut-offs TRIP TEMP 77C 5C TOL

Learn More

Datasheet

3,163In Stock

€1.29

€1.20

€0.989

€0.912

View

Min.: 1
Mult.: 1

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

IsoM3-300-B-L2
Bourns
1: €1.11
3,223In Stock

Mfr. Part No.
IsoM3-300-B-L2

Mouser Part No
652-ISOM3-300-B-L2

Bourns

Varistors IsoMOV 3KA 300Vrms Bulk In-Line

Learn More

Datasheet

3,223In Stock

€1.11

€0.808

€0.733

€0.648

View

Min.: 1
Mult.: 1

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

IsoM5-420-B-L2
Bourns
1: €2.18
5,075In Stock

Mfr. Part No.
IsoM5-420-B-L2

Mouser Part No
652-ISOM5-420-B-L2

Bourns

Varistors IsoMOV 5KA 420Vrms Bulk In-Line

Learn More

Datasheet

5,075In Stock

€2.18

€1.38

€1.17

€0.929

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

MF-LSMF300X-2
Bourns
1: €0.774
7,626In Stock

Mfr. Part No.
MF-LSMF300X-2

Mouser Part No
652-MF-LSMF300X-2

Bourns

Resettable Fuses - PPTC 6V 3.0A-HD 40A MAX

Learn More

Datasheet

7,626In Stock

Cut Tape

€0.774

€0.709

€0.587

€0.544

View

Reel

€0.344

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

MF-R250-0-14
Bourns
1: €0.559
7,904In Stock

Mfr. Part No.
MF-R250-0-14

Mouser Part No
652-MF-R250-0-14

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 2.5A 30V RADIAL LEADED

Learn More

Datasheet

7,904In Stock

€0.559

€0.424

€0.397

€0.30

View

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

MF-R250-2
Bourns
1: €0.542
7,630In Stock

Mfr. Part No.
MF-R250-2

Mouser Part No
652-MF-R250-2

Bourns

Resettable Fuses - PPTC 30V 2.5A-HD 40A MAX

Learn More

Datasheet

7,630In Stock

Cut Tape

€0.542

€0.424

€0.397

€0.30

Reel

€0.181

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

MF-RHT200-2
Bourns
1: €0.645
11,414In Stock
12,000On Order

Mfr. Part No.
MF-RHT200-2

Mouser Part No
652-MF-RHT200-2

Bourns

Resettable Fuses - PPTC PTC 2.0A 16V RADIAL LEADED HI-TEMP

Learn More

Datasheet

11,414In Stock

12,000On Order

Cut Tape

€0.645

€0.495

€0.464

€0.35

Reel

€0.244

View

Min.: 1
Mult.: 1

: 3,000

Resettable Fuses - PPTC PTC 0.12A 250V RADIAL LEADED TELECOM

MF-RX012/250-2
Bourns
1: €0.456
15,744In Stock

Mfr. Part No.
MF-RX012/250-2

Mouser Part No
652-MF-RX012/250-2

Bourns

Resettable Fuses - PPTC PTC 0.12A 250V RADIAL LEADED TELECOM

Learn More

Datasheet

15,744In Stock

Cut Tape

€0.456

€0.393

€0.36

€0.323

View

Reel

€0.20

Min.: 1
Mult.: 1

: 6,000

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

MF-RX160/72-0
Bourns
1: €0.327
12,615In Stock

Mfr. Part No.
MF-RX160/72-0

Mouser Part No
652-MF-RX160/72-0

Bourns

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

Learn More

Datasheet

12,615In Stock

€0.327

€0.292

€0.257

€0.245

View

Min.: 1
Mult.: 1

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

MF-SMDF030-2
Bourns
1: €0.464
56,691In Stock

Mfr. Part No.
MF-SMDF030-2

Mouser Part No
652-MF-SMDF030-2

Bourns

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

Learn More

Datasheet

56,691In Stock

Cut Tape

€0.464

€0.353

€0.331

€0.25

View

Reel

€0.159

MouseReel Available

Min.: 1
Mult.: 1

: 6,000

Varistors PV 300V 10%

PV300K3225R2
Bourns
1: €0.499
8,824In Stock

Mfr. Part No.
PV300K3225R2

Mouser Part No
652-PV300K3225R2

Bourns

Varistors PV 300V 10%

Learn More

Datasheet

8,824In Stock

Cut Tape

€0.499

€0.313

€0.273

€0.254

Reel

€0.231

View

Min.: 1
Mult.: 1

: 1,000

Thermal Cut-offs 77C Low Profile SMD HC TCO

SC77AAB
Bourns
1: €0.912
9,544In Stock

Mfr. Part No.
SC77AAB

Mouser Part No
652-SC77AAB

Bourns

Thermal Cut-offs 77C Low Profile SMD HC TCO

Learn More

Datasheet

9,544In Stock

Cut Tape

€0.912

€0.837

€0.695

€0.576

View

Reel

€0.403

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Thermal Cut-offs 85C Reinforced Cover SMD HC TCO

SC85AAA
Bourns
1: €1.12
5,476In Stock

Mfr. Part No.
SC85AAA

Mouser Part No
652-SC85AAA

Bourns

Thermal Cut-offs 85C Reinforced Cover SMD HC TCO

Learn More

Datasheet

5,476In Stock

Cut Tape

€1.12

€1.03

€0.851

€0.779

View

Reel

€0.503

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

SF-0402F050-2
Bourns
1: €0.464
15,052In Stock

Mfr. Part No.
SF-0402F050-2

Mouser Part No
652-SF-0402F050-2

Bourns

Surface Mount Fuses 0.5A Fast Acting 0402 SinglFuse

Learn More

Datasheet

15,052In Stock

Cut Tape

€0.464

€0.424

€0.353

€0.325

View

Reel

€0.212

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

SF-0603S063-2
Bourns
1: €0.361
8,937In Stock

Mfr. Part No.
SF-0603S063-2

Mouser Part No
652-SF-0603S063-2

Bourns

Surface Mount Fuses 0.63A Slow Blow 0603 SinglFuse

Learn More

Datasheet

8,937In Stock

Cut Tape

€0.361

€0.323

€0.287

€0.262

View

Reel

€0.194

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Surface Mount Fuses 0.5A Fast Acting 1206 SinglFuse

SF-1206F050-2
Bourns
1: €0.499
14,480In Stock

Mfr. Part No.
SF-1206F050-2

Mouser Part No
652-SF-1206F050-2

Bourns

Surface Mount Fuses 0.5A Fast Acting 1206 SinglFuse

Learn More

Datasheet

14,480In Stock

Cut Tape

€0.499

€0.41

€0.346

€0.287

View

Reel

€0.176

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support