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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.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 359,643

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Part #

Circuit Breakers PDG2,3P,200A,50KA/480V,FXFXTMTU

PDG23K0200TFFJ
Eaton Electrical
1: $1,725.74
1In Stock
New Product

Mfr. Part #
PDG23K0200TFFJ

Mouser Part #
504-PDG23K0200TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,200A,50KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,725.74

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

PDG23M0175TFFL
Eaton Electrical
1: $1,918.45
1In Stock
New Product

Mfr. Part #
PDG23M0175TFFL

Mouser Part #
504-PDG23M0175TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,918.45

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS

SMAJ6.0CAHE3_A/H
Vishay Semiconductors
1: $1.02
8,996In Stock
New Product

Mfr. Part #
SMAJ6.0CAHE3_A/H

Mouser Part #
78-SMAJ6.0CAHE3_A/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS

Datasheet

8,996In Stock

Cut Tape

$1.02

$0.629

$0.406

$0.31

Reel

$0.233

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN36C2-03GHE3A08
Vishay
1: $0.706
2,930In Stock
New Product

Mfr. Part #
VCAN36C2-03GHE3A08

Mouser Part #
78-VCAN36C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

2,930In Stock

Cut Tape

$0.706

$0.477

$0.271

$0.213

Reel

$0.151

View

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VLIN26A1-03GHE3A08
Vishay
1: $0.576
8,749In Stock
New Product

Mfr. Part #
VLIN26A1-03GHE3A08

Mouser Part #
78-VLIN26A1-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

8,749In Stock

Cut Tape

$0.576

$0.377

$0.222

$0.168

Reel

$0.124

View

Min.: 1
Mult.: 1

: 3,000

NTC Thermistors

NCP02XH103F05RH
Murata Electronics
1: $0.173
13,819In Stock
20,000Expected 2027-03-08
New Product

Mfr. Part #
NCP02XH103F05RH

Mouser Part #
81-NCP02XH103F05RH

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

13,819In Stock

20,000Expected 2027-03-08

Cut Tape

$0.173

$0.138

$0.122

$0.102

View

Reel

$0.068

Min.: 1
Mult.: 1

: 20,000

NTC Thermistors

NCU15WF104FBSRC
Murata Electronics
1: $0.187
9,268In Stock
New Product

Mfr. Part #
NCU15WF104FBSRC

Mouser Part #
81-NCU15WF104FBSRC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

9,268In Stock

$0.187

$0.161

$0.143

$0.117

View

Min.: 1
Mult.: 1

NTC Thermistors

NCU15WM474E6SRC
Murata Electronics
1: $0.158
6,765In Stock
New Product

Mfr. Part #
NCU15WM474E6SRC

Mouser Part #
81-NCU15WM474E6SRC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

6,765In Stock

$0.158

$0.124

$0.109

$0.094

View

Min.: 1
Mult.: 1

NTC Thermistors

NCU15XV103E60RC
Murata Electronics
1: $0.173
5,723In Stock
New Product

Mfr. Part #
NCU15XV103E60RC

Mouser Part #
81-NCU15XV103E60RC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

5,723In Stock

$0.173

$0.16

$0.141

$0.115

View

Min.: 1
Mult.: 1

NTC Thermistors

NCU15XW222E6SRC
Murata Electronics
1: $0.158
9,990In Stock
New Product

Mfr. Part #
NCU15XW222E6SRC

Mouser Part #
81-NCU15XW222E6SRC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

9,990In Stock

$0.158

$0.124

$0.109

$0.094

View

Min.: 1
Mult.: 1

NTC Thermistors

NCU15XW472E60RC
Murata Electronics
1: $0.187
9,300In Stock
New Product

Mfr. Part #
NCU15XW472E60RC

Mouser Part #
81-NCU15XW472E60RC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

9,300In Stock

$0.187

$0.161

$0.143

$0.117

View

Min.: 1
Mult.: 1

Circuit Breakers BAB3100H BKR A

BAB3100H
Eaton Electrical
1: $1,396.66
1In Stock
New Product

Mfr. Part #
BAB3100H

Mouser Part #
504-BAB3100H

New Product

Eaton Electrical

Circuit Breakers BAB3100H BKR A

Datasheet

1In Stock

$1,396.66

$1,063.70

$1,035.99

View

Min.: 1
Mult.: 1

Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K

BR210
Eaton Electrical
1: $233.35
5In Stock
New Product

Mfr. Part #
BR210

Mouser Part #
504-BR210

New Product

Eaton Electrical

Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K

Datasheet

5In Stock

$233.35

$193.49

$180.30

$148.49

$137.88

Min.: 1
Mult.: 1

Circuit Breakers CL 30A/1Pole 120/240V 10K

CL130
Eaton Electrical
1: $116.11
5In Stock
New Product

Mfr. Part #
CL130

Mouser Part #
504-CL130

New Product

Eaton Electrical

Circuit Breakers CL 30A/1Pole 120/240V 10K

Datasheet

5In Stock

$116.11

$96.31

$89.57

$74.65

View

Min.: 1
Mult.: 1

Circuit Breakers CL bkr 40A/1Pole 120/240V 10K

CL140
Eaton Electrical
1: $116.11
5In Stock
New Product

Mfr. Part #
CL140

Mouser Part #
504-CL140

New Product

Eaton Electrical

Circuit Breakers CL bkr 40A/1Pole 120/240V 10K

Datasheet

5In Stock

$116.11

$96.31

$79.00

$74.02

View

Min.: 1
Mult.: 1

Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU

PDG13M0045VFFJ
Eaton Electrical
1: $1,097.61
1In Stock
New Product

Mfr. Part #
PDG13M0045VFFJ

Mouser Part #
504-PDG13M0045VFFJ

New Product

Eaton Electrical

Circuit Breakers PDG1,3P,45A,65KA/480V,50C FXFXTMTU

Datasheet

1In Stock

$1,097.61

Min.: 1
Mult.: 1

Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU

PDG22M0125TFFL
Eaton Electrical
1: $1,523.89
1In Stock
New Product

Mfr. Part #
PDG22M0125TFFL

Mouser Part #
504-PDG22M0125TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,2P,125A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,523.89

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU

PDG23M0060TFFL
Eaton Electrical
1: $1,269.30
1In Stock
New Product

Mfr. Part #
PDG23M0060TFFL

Mouser Part #
504-PDG23M0060TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,60A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

$1,269.30

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,15V 5%,UNIDIR,SMA TVS

SMAJ15AHM3_A/H
Vishay Semiconductors
1: $0.922
1,755In Stock
New Product

Mfr. Part #
SMAJ15AHM3_A/H

Mouser Part #
78-SMAJ15AHM3_A/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,15V 5%,UNIDIR,SMA TVS

Datasheet

1,755In Stock

Cut Tape

$0.922

$0.567

$0.363

$0.311

Reel

$0.209

View

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS

SMCJ18AHM3_A/H
Vishay Semiconductors
1: $1.83
3,272In Stock
New Product

Mfr. Part #
SMCJ18AHM3_A/H

Mouser Part #
78-SMCJ18AHM3_A/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS

Datasheet

3,272In Stock

Cut Tape

$1.83

$1.15

$0.756

$0.589

Reel

$0.53

View

Min.: 1
Mult.: 1

: 850

NTC Thermistors

NCU15XW152E60RC
Murata Electronics
1: $0.187
9,800In Stock
New Product

Mfr. Part #
NCU15XW152E60RC

Mouser Part #
81-NCU15XW152E60RC

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

9,800In Stock

$0.187

$0.161

$0.143

$0.117

View

Min.: 1
Mult.: 1

Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

SD90ABB
Bourns
1: $3.38
15,270In Stock

Mfr. Part #
SD90ABB

Mouser Part #
652-SD90ABB

Bourns

Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200

Learn More

Datasheet

15,270In Stock

Cut Tape

$3.38

$3.12

$2.59

$2.30

View

Reel

$1.47

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Connectorized Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

PE73SP1061
Pasternack
1: $292.92
1In Stock
New Product

Mfr. Part #
PE73SP1061

Mouser Part #
28-PE73SP1061

New Product

Pasternack

Connectorized Surge Protectors 4.3-10 F/F BULKHEAD COAXIAL RF SURGE PROTECTOR 698

Datasheet

1In Stock

$292.92

$250.82

$241.82

$240.00

Min.: 1
Mult.: 1

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

BR24L70RP
Eaton Electrical
1: $534.79
1In Stock
New Product

Mfr. Part #
BR24L70RP

Mouser Part #
504-BR24L70RP

New Product

Eaton Electrical

Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R

Datasheet

1In Stock

$534.79

$497.02

$453.99

View

Min.: 1
Mult.: 1

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

CH260EPD
Eaton Electrical
1: $1,982.62
1In Stock
New Product

Mfr. Part #
CH260EPD

Mouser Part #
504-CH260EPD

New Product

Eaton Electrical

Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K

1In Stock

$1,982.62

Min.: 1
Mult.: 1

Circuit Protection

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