.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: 361,800

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 #

Fuses with Leads - Through Hole 125V 1.5A

025101.5NRT1L
Littelfuse
1: $1.47
3,990In Stock

Mfr. Part No.
025101.5NRT1L

Mouser Part No
576-025101.5NRT1L

Littelfuse

Fuses with Leads - Through Hole 125V 1.5A

Learn More

Datasheet

3,990In Stock

Cut Tape

$1.47

$1.23

$1.13

$0.936

View

Reel

$0.594

Min.: 1
Mult.: 1

: 5,000

Cartridge Fuses 250V .125A 3.6X10 FA PT PB-FREE

0875.125MXEP
Littelfuse
1: $3.97
943In Stock

Mfr. Part No.
0875.125MXEP

Mouser Part No
576-0875.125MXEP

Littelfuse

Cartridge Fuses 250V .125A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

943In Stock

$3.97

$3.70

$3.57

$2.81

$1.75

Min.: 1
Mult.: 1

Cartridge Fuses 250V 1A 3.6X10 FA PT PB-FREE

0875001.MXEP
Littelfuse
1: $2.71
4,933In Stock
2,520On Order

Mfr. Part No.
0875001.MXEP

Mouser Part No
576-0875001.MXEP

Littelfuse

Cartridge Fuses 250V 1A 3.6X10 FA PT PB-FREE

Learn More

Datasheet

4,933In Stock

2,520On Order

$2.71

$2.50

$1.97

$1.71

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA26A
Littelfuse
1: $5.32
814In Stock

Mfr. Part No.
15KPA26A

Mouser Part No
576-15KPA26A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

814In Stock

Cut Tape

$5.32

$4.82

$3.94

Reel

$3.93

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA60A
Littelfuse
1: $8.67
1,822In Stock
1,576On Order

Mfr. Part No.
15KPA60A

Mouser Part No
576-15KPA60A

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

1,822In Stock

1,576On Order

Cut Tape

$8.67

$6.68

$6.43

$5.77

Reel

$5.76

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

15KPA64CA
Littelfuse
1: $10.19
776In Stock

Mfr. Part No.
15KPA64CA

Mouser Part No
576-15KPA64CA

Littelfuse

ESD Protection Diodes / TVS Diodes TVS AXIAL HI-POWER

Learn More

Datasheet

776In Stock

Cut Tape

$10.19

$8.70

$7.55

$5.93

Reel

$5.90

Min.: 1
Mult.: 1

: 800

ESD Protection Diodes / TVS Diodes 56V 1KW 5% BiDirectional

1KSMB56A
Littelfuse
1: $0.31
8,470In Stock

Mfr. Part No.
1KSMB56A

Mouser Part No
576-1KSMB56A

Littelfuse

ESD Protection Diodes / TVS Diodes 56V 1KW 5% BiDirectional

Learn More

Datasheet

8,470In Stock

Cut Tape

$0.31

$0.29

$0.27

$0.262

Reel

$0.182

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Surface Mount Fuses 250VAC 0.63A .157ohms 462 NANO2

46206300000
Littelfuse
1: $2.99
1,455In Stock

Mfr. Part No.
46206300000

Mouser Part No
576-46206300000

Littelfuse

Surface Mount Fuses 250VAC 0.63A .157ohms 462 NANO2

Learn More

Datasheet

1,455In Stock

Cut Tape

$2.99

$2.72

$2.54

$2.07

View

Reel

$1.28

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo

KLDR025.TXP
Littelfuse
1: $34.60
326In Stock

Mfr. Part No.
KLDR025.TXP

Mouser Part No
576-KLDR025.TXP

Littelfuse

Industrial & Electrical Fuses 25A 600VAC 300VDC Slo-Blo

Datasheet

326In Stock

$34.60

$28.74

$23.74

$20.53

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 600W 550V 5% Uni-Directional

P6SMB550A
Littelfuse
1: $0.81
8,450In Stock
3,000On Order

Mfr. Part No.
P6SMB550A

Mouser Part No
576-P6SMB550A

Littelfuse

ESD Protection Diodes / TVS Diodes 600W 550V 5% Uni-Directional

Learn More

Datasheet

8,450In Stock

3,000On Order

Cut Tape

$0.81

$0.527

$0.277

$0.267

Reel

$0.192

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Industrial & Electrical Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M

PSR072FL0630Z
Littelfuse
1: $452.83
4In Stock

Mfr. Part No.
PSR072FL0630Z

Mouser Part No
576-PSR072FL0630Z

Littelfuse

Industrial & Electrical Fuses 630A 1250VAC SIZE 72 POWER-SPEED FLUSH M

Learn More

Datasheet

4In Stock

$452.83

$389.40

$375.50

View

Min.: 1
Mult.: 1

Triacs 600V 12A 10-10-10mA LED App

Q6012LH1LEDTP
Littelfuse
1: $2.48
1,450In Stock

Mfr. Part No.
Q6012LH1LEDTP

Mouser Part No
576-Q6012LH1LEDTP

Littelfuse

Triacs 600V 12A 10-10-10mA LED App

Learn More

Datasheet

1,450In Stock

$2.48

$1.23

$1.10

$1.02

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

SG600Q
Littelfuse
1: $1.31
2,306In Stock

Mfr. Part No.
SG600Q

Mouser Part No
576-SG600Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

Datasheet

2,306In Stock

Cut Tape

$1.31

$1.29

$0.861

$0.763

View

Reel

$0.568

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

SCRs 25A 1000V

SK025NTP
Littelfuse
1: $4.20
759In Stock

Mfr. Part No.
SK025NTP

Mouser Part No
576-SK025NTP

Littelfuse

SCRs 25A 1000V

Datasheet

759In Stock

$4.20

$2.61

$1.98

$1.94

Min.: 1
Mult.: 1

SCRs SCR TO220 600V 50A HJ TEMP

SV6050RA2TP
Littelfuse
1: $8.76
1,914In Stock

Mfr. Part No.
SV6050RA2TP

Mouser Part No
576-SV6050RA2TP

Littelfuse

SCRs SCR TO220 600V 50A HJ TEMP

Learn More

Datasheet

1,914In Stock

$8.76

$5.99

$4.42

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1.5kW 27V AEC-Q101 5% Bi-Directional

TPSMC27CA
Littelfuse
1: $0.74
5,263In Stock

Mfr. Part No.
TPSMC27CA

Mouser Part No
576-TPSMC27CA

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 27V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

5,263In Stock

Cut Tape

$0.74

$0.57

$0.424

$0.363

Reel

$0.278

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5kW 36V AEC-Q101 5% Uni-Directional

TPSMC36A
Littelfuse
1: $0.48
7,739In Stock

Mfr. Part No.
TPSMC36A

Mouser Part No
576-TPSMC36A

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5kW 36V AEC-Q101 5% Uni-Directional

Learn More

Datasheet

7,739In Stock

Cut Tape

$0.48

$0.428

$0.376

$0.354

Reel

$0.282

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 3kW 30V AEC-Q101 5% Bi-Directional

TPSMD30CA
Littelfuse
1: $1.55
11,962In Stock
6,000On Order

Mfr. Part No.
TPSMD30CA

Mouser Part No
576-TPSMD30CA

Littelfuse

ESD Protection Diodes / TVS Diodes 3kW 30V AEC-Q101 5% Bi-Directional

Learn More

Datasheet

11,962In Stock

6,000On Order

Cut Tape

$1.55

$0.977

$0.651

$0.512

Reel

$0.395

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

LT4356CS-3#PBF
Analog Devices
1: $7.08
807In Stock

Mfr. Part No.
LT4356CS-3#PBF

Mouser Part No
584-LT4356CS-3#PBF

Analog Devices

Board Mount Surge Protectors Surge Stopper w/ Fault Latchoff

Datasheet

807In Stock

$7.08

$6.00

$5.85

$5.51

View

Min.: 1
Mult.: 1

Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir

LTC4368HMS-2#WPBF
Analog Devices
1: $8.80
990In Stock
573On Order

Mfr. Part No.
LTC4368HMS-2#WPBF

Mouser Part No
584-LTC4368HMS2WPBF

Analog Devices

Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir

Datasheet

990In Stock

573On Order

$8.80

$6.84

$6.04

$5.80

View

Min.: 1
Mult.: 1

Board Mount Surge Protectors Hi Eff Sw Surge Stopper

LTC7860EMSE#PBF
Analog Devices
1: $9.30
557In Stock
703On Order

Mfr. Part No.
LTC7860EMSE#PBF

Mouser Part No
584-LTC7860EMSE#PBF

Analog Devices

Board Mount Surge Protectors Hi Eff Sw Surge Stopper

Datasheet

557In Stock

703On Order

$9.30

$7.24

$6.54

$6.53

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1Kohms 3% Radial

NTCLE100E3102HB0
Vishay / BC Components
1: $0.60
8,081In Stock

Mfr. Part No.
NTCLE100E3102HB0

Mouser Part No
594-NTCLE100E3102HB0

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 1Kohms 3% Radial

Learn More

Datasheet

8,081In Stock

$0.60

$0.564

$0.527

$0.502

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 5% SMD

NTCS0603E3104JXT
Vishay / BC Components
1: $0.33
12,725In Stock
8,000On Order

Mfr. Part No.
NTCS0603E3104JXT

Mouser Part No
594-NTCS0603E3104JXT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 100Kohms 5% SMD

Learn More

Datasheet

12,725In Stock

8,000On Order

Cut Tape

$0.33

$0.309

$0.273

$0.252

Reel

$0.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors NTC 33Kohms 3%

NTCS0603E3333HHT
Vishay / BC Components
1: $0.41
7,689In Stock

Mfr. Part No.
NTCS0603E3333HHT

Mouser Part No
594-NTCS0603E3333HHT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC 33Kohms 3%

Learn More

Datasheet

7,689In Stock

Cut Tape

$0.41

$0.386

$0.342

$0.325

Reel

$0.226

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 1%

NTCS0603E3473FHT
Vishay / BC Components
1: $0.64
8,724In Stock

Mfr. Part No.
NTCS0603E3473FHT

Mouser Part No
594-NTCS0603E3473FHT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 47Kohms 1%

Learn More

Datasheet

8,724In Stock

Cut Tape

$0.64

$0.581

$0.529

$0.513

View

Reel

$0.376

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support