.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: 359.647

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; }

Part #

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323

VLIN1616-02GHE3A08
Vishay
1: 0,413 €
7.620In Stock
45.000On Order
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

7.620In Stock

45.000On Order

Cut Tape

0,413 €

0,285 €

0,144 €

0,118 €

Reel

0,073 €

View

Min.: 1
Mult.: 1

: 3.000

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

LT340032
Eaton Electrical
1: 3.340,90 €
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

3.340,90 €

Min.: 1
Mult.: 1

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

PE73SP1061
Pasternack
1: 174,94 €
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

174,94 €

149,79 €

144,42 €

143,34 €

Min.: 1
Mult.: 1

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

BR24L70RP
Eaton Electrical
1: 319,39 €
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

319,39 €

296,83 €

271,13 €

View

Min.: 1
Mult.: 1

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

CH260EPD
Eaton Electrical
1: 1.184,07 €
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

1.184,07 €

Min.: 1
Mult.: 1

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

SMAJ550HM3_B/H
Vishay Semiconductors
1: 0,783 €
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

0,783 €

0,484 €

0,314 €

0,241 €

Reel

0,186 €

View

Min.: 1
Mult.: 1

: 1.800

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN26C2-03GHE3A08
Vishay
1: 0,421 €
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

0,421 €

0,285 €

0,162 €

0,127 €

Reel

0,09 €

View

Min.: 1
Mult.: 1

: 3.000

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

VESD16D1-HD1HG3-08
Vishay
1: 0,439 €
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

0,439 €

0,31 €

0,151 €

0,126 €

Reel

0,058 €

View

Min.: 1
Mult.: 1

: 10.000

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103D05RH
Murata Electronics
1: 0,181 €
9.383In Stock
New Product

Mfr. Part No.
NCP02XH103D05RH

Mouser Part No
81-NCP02XH103D05RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.383In Stock

Cut Tape

0,181 €

0,159 €

0,14 €

0,113 €

View

Reel

0,075 €

Min.: 1
Mult.: 1

: 20.000

Varistors G20, Hybrid design, 20 mm, Vrms=300V, GDT Voltage 1000(800-1200)V , 105C

B72220G3301K101
TDK
1: 2,93 €
696In Stock
New Product

Mfr. Part No.
B72220G3301K101

Mouser Part No
871-B72220G3301K101

New Product

TDK

Varistors G20, Hybrid design, 20 mm, Vrms=300V, GDT Voltage 1000(800-1200)V , 105C

Learn More

Datasheet

696In Stock

2,93 €

2,18 €

2,00 €

1,73 €

View

Min.: 1
Mult.: 1

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

FDB3020L
Eaton Electrical
1: 1.102,80 €
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

1.102,80 €

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: 1,49 €
1.210In Stock
1.500Expected 8/17/2026
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

1.210In Stock

1.500Expected 8/17/2026

1,49 €

1,12 €

0,894 €

0,844 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A

NTCLE203E3103SB0A
Vishay / BC Components
1: 1,51 €
540In Stock
New Product

Mfr. Part No.
NTCLE203E3103SB0A

Mouser Part No
594-NTCLE23E313SB

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A

Datasheet

540In Stock

1,51 €

1,14 €

0,912 €

0,851 €

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: 61,84 €
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

Learn More

Datasheet

27In Stock

61,84 €

52,29 €

49,30 €

38,26 €

37,94 €

Min.: 1
Mult.: 1

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

VESD29D1-HD1HG3-08
Vishay
1: 0,439 €
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

0,439 €

0,31 €

0,151 €

0,126 €

Reel

0,058 €

View

Min.: 1
Mult.: 1

: 10.000

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW153E60RC
Murata Electronics
1: 0,112 €
9.495In Stock
New Product

Mfr. Part No.
NCU15XW153E60RC

Mouser Part No
81-NCU15XW153E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.495In Stock

0,112 €

0,096 €

0,085 €

0,07 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222J60RC
Murata Electronics
1: 0,112 €
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

0,112 €

0,096 €

0,085 €

0,07 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW223J6SRC
Murata Electronics
1: 0,095 €
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

0,095 €

0,074 €

0,065 €

0,056 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V

PEC11SD03S1Q_R1_00301
Panjit
1: 0,275 €
34.620In Stock

Mfr. Part No.
PEC11SD03S1Q_R1_00301

Mouser Part No
241-PEC11SD03S1QR131

Panjit

ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V

Datasheet

34.620In Stock

Cut Tape

0,275 €

0,122 €

0,107 €

0,078 €

Reel

0,048 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Circuit Breakers BAB3100H BKR A

BAB3100H
Eaton Electrical
1: 834,11 €
1In Stock
New Product

Mfr. Part No.
BAB3100H

Mouser Part No
504-BAB3100H

New Product

Eaton Electrical

Circuit Breakers BAB3100H BKR A

Datasheet

1In Stock

834,11 €

635,26 €

618,72 €

View

Min.: 1
Mult.: 1

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

BR210
Eaton Electrical
1: 139,36 €
5In Stock
New Product

Mfr. Part No.
BR210

Mouser Part No
504-BR210

New Product

Eaton Electrical

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

Datasheet

5In Stock

139,36 €

115,56 €

107,68 €

88,68 €

82,35 €

Min.: 1
Mult.: 1

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

CL130
Eaton Electrical
1: 69,34 €
5In Stock
New Product

Mfr. Part No.
CL130

Mouser Part No
504-CL130

New Product

Eaton Electrical

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

Datasheet

5In Stock

69,34 €

57,52 €

53,49 €

44,58 €

View

Min.: 1
Mult.: 1

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

CL140
Eaton Electrical
1: 69,34 €
5In Stock
New Product

Mfr. Part No.
CL140

Mouser Part No
504-CL140

New Product

Eaton Electrical

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

Datasheet

5In Stock

69,34 €

57,52 €

47,18 €

44,20 €

View

Min.: 1
Mult.: 1

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

PDG13M0045VFFJ
Eaton Electrical
1: 655,52 €
1In Stock
New Product

Mfr. Part No.
PDG13M0045VFFJ

Mouser Part No
504-PDG13M0045VFFJ

New Product

Eaton Electrical

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

Datasheet

1In Stock

655,52 €

Min.: 1
Mult.: 1

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

PDG22M0125TFFL
Eaton Electrical
1: 910,10 €
1In Stock
New Product

Mfr. Part No.
PDG22M0125TFFL

Mouser Part No
504-PDG22M0125TFFL

New Product

Eaton Electrical

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

Datasheet

1In Stock

910,10 €

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support