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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 #

Thermal Cut-offs THERMAL PROTECTOR

RP-12A
AIRPAX
1: Rp286.198
1.165In Stock

Mfr. Part No.
RP-12A

Mouser Part No
874-RP-12A

AIRPAX

Thermal Cut-offs THERMAL PROTECTOR

Datasheet

1.165In Stock

Rp286.198

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

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

BRH230
Eaton Electrical
1: Rp8.236.070
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

Rp8.236.070

Rp6.141.507

Rp5.882.828

View

Min.: 1
Mult.: 1

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

PDG23F0020TFFJ
Eaton Electrical
1: Rp13.550.723
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

Rp13.550.723

Rp11.225.367

Rp10.345.493

Min.: 1
Mult.: 1

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

PDG23M0050MSAN
Eaton Electrical
1: Rp15.130.680
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

Rp15.130.680

Rp12.534.171

Rp11.551.559

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: Rp35.224
407In 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

407In Stock

Rp35.224

Rp26.418

Rp21.098

Rp19.814

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN36A2-03GHE3A08
Vishay
1: Rp9.173
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

Rp9.173

Rp6.293

Rp3.559

Rp2.825

Reel

Rp2.000

View

Min.: 1
Mult.: 1

: 3.000

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323

VLIN1616-02GHE3A08
Vishay
1: Rp8.806
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

Rp8.806

Rp6.073

Rp3.082

Rp2.513

Reel

Rp1.559

View

Min.: 1
Mult.: 1

: 3.000

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
1.210In 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

1.210In Stock

1.500Expected 17/08/2026

Rp31.739

Rp23.850

Rp19.080

Rp17.997

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: Rp32.289
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

Rp32.289

Rp24.217

Rp19.447

Rp18.163

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

Learn More

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 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

Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

PE73SP1038
Pasternack
1: Rp2.375.807
6In Stock
New Product

Mfr. Part No.
PE73SP1038

Mouser Part No
28-PE73SP1038

New Product

Pasternack

Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect

Datasheet

6In Stock

Rp2.375.807

Rp2.151.802

Rp2.069.062

Rp2.000.081

Rp1.889.638

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

EHD1025WD01
Eaton Electrical
1: Rp7.304.276
1In Stock
New Product

Mfr. Part No.
EHD1025WD01

Mouser Part No
504-EHD1025WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

Datasheet

1In Stock

Rp7.304.276

Rp4.283.424

Rp4.283.057

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

EHD1070WD01
Eaton Electrical
1: Rp14.526.913
1In Stock
New Product

Mfr. Part No.
EHD1070WD01

Mouser Part No
504-EHD1070WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

Datasheet

1In Stock

Rp14.526.913

Rp11.378.923

Rp10.857.163

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

PDG21F0060TFFJ
Eaton Electrical
1: Rp7.296.388
1In Stock
New Product

Mfr. Part No.
PDG21F0060TFFJ

Mouser Part No
504-PDG21F0060TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

Datasheet

1In Stock

Rp7.296.388

Rp6.044.273

Rp5.571.680

View

Min.: 1
Mult.: 1

Circuit Protection

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