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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: 362,143

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Part #

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW472E60RC
Murata Electronics
1: $0.177
9,300In Stock
New Product

Mfr. Part No.
NCU15XW472E60RC

Mouser Part No
81-NCU15XW472E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,300In Stock

$0.177

$0.152

$0.135

$0.11

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Min.: 1
Mult.: 1

Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K

BRH230
Eaton Electrical
1: $610.54
3In Stock
New Product

Mfr. Part No.
BRH230

Mouser Part No
504-BRH230

New Product

Eaton Electrical

Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K

Datasheet

3In Stock

$610.54

$455.27

$436.10

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU

PDG23F0020TFFJ
Eaton Electrical
1: $1,004.52
2In Stock
New Product

Mfr. Part No.
PDG23F0020TFFJ

Mouser Part No
504-PDG23F0020TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

$1,004.52

$832.14

$766.92

Min.: 1
Mult.: 1

Circuit Breakers PDG2, 50A, MCP, STD CALIBRATION-HMCPS

PDG23M0050MSAN
Eaton Electrical
1: $1,121.65
1In Stock
New Product

Mfr. Part No.
PDG23M0050MSAN

Mouser Part No
504-PDG23M0050MSAN

New Product

Eaton Electrical

Circuit Breakers PDG2, 50A, MCP, STD CALIBRATION-HMCPS

Datasheet

1In Stock

$1,121.65

$929.17

$856.32

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A

NTCLE213E3103FHB0A
Vishay / BC Components
1: $2.61
420In Stock
New Product

Mfr. Part No.
NTCLE213E3103FHB0A

Mouser Part No
594-NTCLE213E313FHB

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A

Datasheet

420In Stock

$2.61

$1.96

$1.56

$1.47

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN36A2-03GHE3A08
Vishay
1: $0.68
13,785In Stock
New Product

Mfr. Part No.
VCAN36A2-03GHE3A08

Mouser Part No
78-VCAN36A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

13,785In Stock

Cut Tape

$0.68

$0.466

$0.264

$0.209

Reel

$0.148

View

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323

VLIN1616-02GHE3A08
Vishay
1: $0.653
11,470In Stock
New Product

Mfr. Part No.
VLIN1616-02GHE3A08

Mouser Part No
78-VLIN1616-02HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323

Datasheet

11,470In Stock

Cut Tape

$0.653

$0.45

$0.228

$0.186

Reel

$0.116

View

Min.: 1
Mult.: 1

: 3,000

Circuit Breakers BA 2P BKR 25A 10K IC

BAB2025H
Eaton Electrical
1: $549.82
2In Stock
New Product

Mfr. Part No.
BAB2025H

Mouser Part No
504-BAB2025H

New Product

Eaton Electrical

Circuit Breakers BA 2P BKR 25A 10K IC

Datasheet

2In Stock

$549.82

$531.00

$518.72

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Min.: 1
Mult.: 1

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

CH340
Eaton Electrical
1: $842.79
3In Stock
New Product

Mfr. Part No.
CH340

Mouser Part No
504-CH340

New Product

Eaton Electrical

Circuit Breakers Type CH Breaker 40A/3 Pole 240V 10K

Datasheet

3In Stock

$842.79

$689.83

$655.78

View

Min.: 1
Mult.: 1

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

CHFN130GF
Eaton Electrical
1: $656.25
1In Stock
New Product

Mfr. Part No.
CHFN130GF

Mouser Part No
504-CHFN130GF

New Product

Eaton Electrical

Circuit Breakers CH GFCI BREAKER, 30A, PIGTAIL, 10KAIC

1In Stock

$656.25

$575.97

$523.78

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Min.: 1
Mult.: 1

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

FAZ-D2.5/2
Eaton Electrical
1: $587.37
1In Stock
New Product

Mfr. Part No.
FAZ-D2.5/2

Mouser Part No
504-FAZ-D2.5/2

New Product

Eaton Electrical

Circuit Breakers FAZ UL 1077 2P 2.5A D CURVE

Datasheet

1In Stock

$587.37

$486.58

$448.43

Min.: 1
Mult.: 1

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

HFDDC1060L
Eaton Electrical
1: $792.46
1In Stock
New Product

Mfr. Part No.
HFDDC1060L

Mouser Part No
504-HFDDC1060L

New Product

Eaton Electrical

Circuit Breakers HFD-DC BREAKER - LINE & LOAD TERMINALS

Datasheet

1In Stock

$792.46

$776.38

$765.19

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

PDG23F0035TFFJ
Eaton Electrical
1: $1,004.52
2In Stock
New Product

Mfr. Part No.
PDG23F0035TFFJ

Mouser Part No
504-PDG23F0035TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,35A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

$1,004.52

$832.14

$767.14

View

Min.: 1
Mult.: 1

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

QBHW2015HT
Eaton Electrical
1: $1,347.68
1In Stock
New Product

Mfr. Part No.
QBHW2015HT

Mouser Part No
504-QBHW2015HT

New Product

Eaton Electrical

Circuit Breakers QBHW2015, 2P, 15A 22kAIC, 240V

Datasheet

1In Stock

$1,347.68

$1,116.41

$1,028.89

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33C2-03GHE3A08
Vishay
1: $0.666
14,700In Stock
New Product

Mfr. Part No.
VCAN33C2-03GHE3A08

Mouser Part No
78-VCAN33C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

14,700In Stock

Cut Tape

$0.666

$0.45

$0.256

$0.201

Reel

$0.143

View

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v

B88069X4231T502
TDK
1: $2.37
766In Stock
New Product

Mfr. Part No.
B88069X4231T502

Mouser Part No
871-B88069X4231T502

New Product

TDK

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v

Learn More

Datasheet

766In Stock

Cut Tape

$2.37

$1.96

$1.62

$1.39

Reel

$1.13

View

Min.: 1
Mult.: 1

: 500

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

PE73SP1061
Pasternack
1: $276.65
1In Stock
New Product

Mfr. Part No.
PE73SP1061

Mouser Part No
28-PE73SP1061

New Product

Pasternack

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

Datasheet

1In Stock

$276.65

$236.88

$228.38

$226.67

Min.: 1
Mult.: 1

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

BR24L70RP
Eaton Electrical
1: $505.08
1In Stock
New Product

Mfr. Part No.
BR24L70RP

Mouser Part No
504-BR24L70RP

New Product

Eaton Electrical

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

Datasheet

1In Stock

$505.08

$469.40

$428.77

View

Min.: 1
Mult.: 1

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

CH260EPD
Eaton Electrical
1: $1,872.48
1In Stock
New Product

Mfr. Part No.
CH260EPD

Mouser Part No
504-CH260EPD

New Product

Eaton Electrical

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

1In Stock

$1,872.48

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

SMAJ550HM3_B/H
Vishay Semiconductors
1: $1.24
5,387In Stock
New Product

Mfr. Part No.
SMAJ550HM3_B/H

Mouser Part No
78-SMAJ550HM3_B/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 300W,550V MIN,UNIDIR,SMA TVS

Datasheet

5,387In Stock

Cut Tape

$1.24

$0.766

$0.496

$0.381

Reel

$0.294

View

Min.: 1
Mult.: 1

: 1,800

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26C2-03GHE3A08
Vishay
1: $0.666
4,427In Stock
New Product

Mfr. Part No.
VCAN26C2-03GHE3A08

Mouser Part No
78-VCAN26C2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

4,427In Stock

Cut Tape

$0.666

$0.45

$0.256

$0.201

Reel

$0.143

View

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

VESD16D1-HD1HG3-08
Vishay
1: $0.694
9,750In Stock
New Product

Mfr. Part No.
VESD16D1-HD1HG3-08

Mouser Part No
78-VESD16D1-HD1H3-08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

9,750In Stock

Cut Tape

$0.694

$0.491

$0.239

$0.20

Reel

$0.092

View

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103D05RH
Murata Electronics
1: $0.286
9,483In Stock
New Product

Mfr. Part No.
NCP02XH103D05RH

Mouser Part No
81-NCP02XH103D05RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,483In Stock

Cut Tape

$0.286

$0.252

$0.222

$0.178

View

Reel

$0.118

Min.: 1
Mult.: 1

: 20,000

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

SD90ABB
Bourns
1: $3.20
15,363In Stock

Mfr. Part No.
SD90ABB

Mouser Part No
652-SD90ABB

Bourns

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

Learn More

Datasheet

15,363In Stock

Cut Tape

$3.20

$2.95

$2.45

$2.18

View

Reel

$1.48

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

DD9-24V
Citel
1: $152.02
47In Stock

Mfr. Part No.
DD9-24V

Mouser Part No
703-DD9-24V

Citel

Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G

Learn More

Datasheet

47In Stock

$152.02

$127.85

$121.16

$121.14

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

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