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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 #

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

FDB3020L
Eaton Electrical
1: $1,743.97
1In Stock
New Product

Mfr. Part No.
FDB3020L

Mouser Part No
504-FDB3020L

New Product

Eaton Electrical

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

Datasheet

1In Stock

$1,743.97

Min.: 1
Mult.: 1

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

NTCLE213E3103FHT1A
Vishay / BC Components
1: $2.35
1,233In Stock
1,500Expected 17/8/2026
New Product

Mfr. Part No.
NTCLE213E3103FHT1A

Mouser Part No
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

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

Datasheet

1,233In Stock

1,500Expected 17/8/2026

$2.35

$1.77

$1.41

$1.33

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Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $97.80
27In Stock
New Product

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

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Datasheet

27In Stock

$97.80

$82.69

$77.96

$60.51

$60.00

Min.: 1
Mult.: 1

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

VESD29D1-HD1HG3-08
Vishay
1: $0.694
9,750In Stock
New Product

Mfr. Part No.
VESD29D1-HD1HG3-08

Mouser Part No
78-VESD29D1-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

NCU15XW153E60RC
Murata Electronics
1: $0.177
9,495In Stock
New Product

Mfr. Part No.
NCU15XW153E60RC

Mouser Part No
81-NCU15XW153E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

9,495In Stock

$0.177

$0.152

$0.135

$0.11

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222J60RC
Murata Electronics
1: $0.177
9,990In Stock
New Product

Mfr. Part No.
NCU15XW222J60RC

Mouser Part No
81-NCU15XW222J60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,990In Stock

$0.177

$0.152

$0.135

$0.11

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW223J6SRC
Murata Electronics
1: $0.15
9,520In Stock
New Product

Mfr. Part No.
NCU15XW223J6SRC

Mouser Part No
81-NCU15XW223J6SRC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,520In Stock

$0.15

$0.117

$0.103

$0.088

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

SMAJE33AH
Eaton Electronics
1: $0.585
2,611In Stock
New Product

Mfr. Part No.
SMAJE33AH

Mouser Part No
504-MAJE33AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

Learn More

Datasheet

2,611In Stock

Cut Tape

$0.585

$0.377

$0.223

$0.169

Reel

$0.114

View

Min.: 1
Mult.: 1

: 5,000

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

CA1-P0-D6-812-321-MT
Carling Technologies
1: $89.41
9In Stock
New Product

Mfr. Part No.
CA1-P0-D6-812-321-MT

Mouser Part No
691-CA1-P0D6812321MT

New Product

Carling Technologies

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

Datasheet

9In Stock

$89.41

$74.17

$68.42

$56.63

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0U-HF
Comchip Technology
1: $0.49
5,283In Stock
New Product

Mfr. Part No.
CPDE5V0U-HF

Mouser Part No
750-CPDE5V0U-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

5,283In Stock

Cut Tape

$0.49

$0.345

$0.219

$0.135

Reel

$0.067

View

Min.: 1
Mult.: 1

: 8,000

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0-HF
Comchip Technology
1: $0.49
4,401In Stock
New Product

Mfr. Part No.
CPDE5V0-HF

Mouser Part No
750-CPDE5V0-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

4,401In Stock

Cut Tape

$0.49

$0.345

$0.219

$0.135

Reel

$0.067

View

Min.: 1
Mult.: 1

: 8,000

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

LT340032
Eaton Electrical
1: $5,283.29
1In Stock
New Product

Mfr. Part No.
LT340032

Mouser Part No
504-LT340032

New Product

Eaton Electrical

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

1In Stock

$5,283.29

Min.: 1
Mult.: 1

Circuit Breaker Accessories PDG3, 3P, 600A, 65KA/480V, FRAME ONLY

PDG33M0600FNNN
Eaton Electrical
1: $4,344.00
1In Stock
New Product

Mfr. Part No.
PDG33M0600FNNN

Mouser Part No
504-PDG33M0600FNNN

New Product

Eaton Electrical

Circuit Breaker Accessories PDG3, 3P, 600A, 65KA/480V, FRAME ONLY

Datasheet

1In Stock

$4,344.00

Min.: 1
Mult.: 1

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

Circuit Breaker Accessories 250A 3P Thermal Mag Fixed/Adj Trip Unit

JT3250FA
Eaton Electrical
1: $2,452.24
1In Stock
New Product

Mfr. Part No.
JT3250FA

Mouser Part No
504-JT3250FA

New Product

Eaton Electrical

Circuit Breaker Accessories 250A 3P Thermal Mag Fixed/Adj Trip Unit

1In Stock

$2,452.24

Min.: 1
Mult.: 1

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

View

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

View

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 Protection

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