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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: 362.172

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Part #

Thermal Cut-offs THERMAL PROTECTOR

RP-12A
AIRPAX
1: Rp286.198
1.171In Stock

Mfr. Part No.
RP-12A

Mouser Part No
874-RP-12A

AIRPAX

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

1.171In Stock

Rp286.198

Min.: 1
Mult.: 1

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

CPDE5V0-HF
Comchip Technology
1: Rp6.605
4.356In 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

4.356In Stock

Cut Tape

Rp6.605

Rp4.660

Rp2.954

Rp1.816

Reel

Rp899

View

Min.: 1
Mult.: 1

: 8.000

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

CPDE5V0U-HF
Comchip Technology
1: Rp6.605
5.193In 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

5.193In Stock

Cut Tape

Rp6.605

Rp4.660

Rp2.954

Rp1.816

Reel

Rp899

View

Min.: 1
Mult.: 1

: 8.000

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

SMAJE33AH
Eaton Electronics
1: Rp7.889
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

Rp7.889

Rp5.082

Rp3.009

Rp2.275

Reel

Rp1.541

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: Rp1.206.066
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

Rp1.206.066

Rp1.000.591

Rp922.987

Rp763.927

View

Min.: 1
Mult.: 1

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

PDG33M0600FNNN
Eaton Electrical
1: Rp58.599.326
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

Rp58.599.326

Min.: 1
Mult.: 1

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

JT3250FA
Eaton Electrical
1: Rp33.080.040
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

Rp33.080.040

Min.: 1
Mult.: 1

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

LT340032
Eaton Electrical
1: Rp71.269.990
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

Rp71.269.990

Min.: 1
Mult.: 1

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

FDB3020L
Eaton Electrical
1: Rp23.525.626
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

Rp23.525.626

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: Rp31.739
1.228In Stock
1.500Expected 17/08/2026
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

1.228In Stock

1.500Expected 17/08/2026

Rp31.739

Rp23.850

Rp19.080

Rp17.997

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: Rp1.319.261
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

Rp1.319.261

Rp1.115.437

Rp1.051.593

Rp816.214

Rp809.426

Min.: 1
Mult.: 1

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

VESD29D1-HD1HG3-08
Vishay
1: Rp9.356
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

Rp9.356

Rp6.623

Rp3.229

Rp2.697

Reel

Rp1.248

View

Min.: 1
Mult.: 1

: 10.000

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW153E60RC
Murata Electronics
1: Rp2.385
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

Rp2.385

Rp2.055

Rp1.816

Rp1.486

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222J60RC
Murata Electronics
1: Rp2.385
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

Rp2.385

Rp2.055

Rp1.816

Rp1.486

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW223J6SRC
Murata Electronics
1: Rp2.018
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

Rp2.018

Rp1.578

Rp1.394

Rp1.192

View

Min.: 1
Mult.: 1

Circuit Breakers BAB3100H BKR A

BAB3100H
Eaton Electrical
1: Rp17.793.785
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

Rp17.793.785

Rp13.551.823

Rp13.198.846

View

Min.: 1
Mult.: 1

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

BR210
Eaton Electrical
1: Rp2.972.969
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

Rp2.972.969

Rp2.465.152

Rp2.297.103

Rp1.891.840

Rp1.756.630

Min.: 1
Mult.: 1

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

CL130
Eaton Electrical
1: Rp1.479.238
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

Rp1.479.238

Rp1.226.980

Rp1.141.121

Rp951.057

View

Min.: 1
Mult.: 1

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

CL140
Eaton Electrical
1: Rp1.479.238
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

Rp1.479.238

Rp1.226.980

Rp1.006.462

Rp942.984

View

Min.: 1
Mult.: 1

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

PDG13M0045VFFJ
Eaton Electrical
1: Rp13.983.872
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

Rp13.983.872

Min.: 1
Mult.: 1

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

PDG22M0125TFFL
Eaton Electrical
1: Rp19.414.838
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

Rp19.414.838

Min.: 1
Mult.: 1

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

PDG23M0060TFFL
Eaton Electrical
1: Rp16.171.265
1In Stock
New Product

Mfr. Part No.
PDG23M0060TFFL

Mouser Part No
504-PDG23M0060TFFL

New Product

Eaton Electrical

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

Datasheet

1In Stock

Rp16.171.265

Min.: 1
Mult.: 1

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

SMAJ15AHM3_A/H
Vishay Semiconductors
1: Rp11.741
1.757In Stock
New Product

Mfr. Part No.
SMAJ15AHM3_A/H

Mouser Part No
78-SMAJ15AHM3_A/H

New Product

Vishay Semiconductors

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

Datasheet

1.757In Stock

Cut Tape

Rp11.741

Rp7.228

Rp4.623

Rp3.963

Reel

Rp2.660

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: Rp23.299
3.282In Stock
New Product

Mfr. Part No.
SMCJ18AHM3_A/H

Mouser Part No
78-SMCJ18AHM3_A/H

New Product

Vishay Semiconductors

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

Datasheet

3.282In Stock

Cut Tape

Rp23.299

Rp14.658

Rp9.632

Rp7.504

Reel

Rp6.751

View

Min.: 1
Mult.: 1

: 850

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW152E60RC
Murata Electronics
1: Rp2.385
9.800In Stock
New Product

Mfr. Part No.
NCU15XW152E60RC

Mouser Part No
81-NCU15XW152E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.800In Stock

Rp2.385

Rp2.055

Rp1.816

Rp1.486

View

Min.: 1
Mult.: 1

Circuit Protection

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