.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: 359.239

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 600W,60V 5%,UNIDIR,SMB TVS

SMBJ60AHE3_B/I
Vishay Semiconductors
1: Rp14.860
2.843In Stock

Mfr. Part No.
SMBJ60AHE3_B/I

Mouser Part No
78-SMBJ60AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,60V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

2.843In Stock

Cut Tape

Rp14.860

Rp9.191

Rp5.926

Rp4.513

Reel

Rp3.486

View

Min.: 1
Mult.: 1

: 3.200

ESD Protection Diodes / TVS Diodes ESD 3.3V

VCUT03G1-SD0-G4-08
Vishay Semiconductors
1: Rp6.238
27.120In Stock

Mfr. Part No.
VCUT03G1-SD0-G4-08

Mouser Part No
78-VCUT03G1SD0G408

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes ESD 3.3V

Datasheet

27.120In Stock

Cut Tape

Rp6.238

Rp4.348

Rp2.128

Rp1.780

View

Reel

Rp789

Min.: 1
Mult.: 1

: 15.000

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103D05RH
Murata Electronics
1: Rp3.853
9.383In Stock

Mfr. Part No.
NCP02XH103D05RH

Mouser Part No
81-NCP02XH103D05RH

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.383In Stock

Cut Tape

Rp3.853

Rp3.394

Rp2.990

Rp2.403

View

Reel

Rp1.596

Min.: 1
Mult.: 1

: 20.000

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

MPR-SS
L-Com
1: Rp3.099.373
5In Stock
New At Mouser

Mfr. Part No.
MPR-SS

Mouser Part No
17-MPR-SS

New At Mouser

L-Com

Circuit Breaker Accessories MPR SURGE SUPPRESSOR

5In Stock

Rp3.099.373

Rp2.780.336

Rp2.755.019

Rp2.704.384

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS

P4SMA16CAHM3_A/I
Vishay Semiconductors
1: Rp15.594
7.180In Stock

Mfr. Part No.
P4SMA16CAHM3_A/I

Mouser Part No
78-P4SMA16CAHM3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS

Learn More

Datasheet

7.180In Stock

Cut Tape

Rp15.594

Rp9.705

Rp6.274

Rp4.807

Reel

Rp3.394

View

Min.: 1
Mult.: 1

: 7.500

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

SM6T33AHE3_B/I
Vishay Semiconductors
1: Rp14.860
2.823In Stock

Mfr. Part No.
SM6T33AHE3_B/I

Mouser Part No
78-SM6T33AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

2.823In Stock

Cut Tape

Rp14.860

Rp9.191

Rp5.926

Rp4.513

Reel

Rp3.486

View

Min.: 1
Mult.: 1

: 3.200

ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS

SMBJ16AHE3_B/H
Vishay Semiconductors
1: Rp14.677
7.339In Stock

Mfr. Part No.
SMBJ16AHE3_B/H

Mouser Part No
78-SMBJ16AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

7.339In Stock

Cut Tape

Rp14.677

Rp9.173

Rp5.907

Rp4.495

Reel

Rp4.054

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS

SMBJ24AHE3_B/H
Vishay Semiconductors
1: Rp14.126
8.170In Stock

Mfr. Part No.
SMBJ24AHE3_B/H

Mouser Part No
78-SMBJ24AHE3BH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

8.170In Stock

Cut Tape

Rp14.126

Rp8.659

Rp5.596

Rp2.917

Reel

Rp2.679

Min.: 1
Mult.: 1

: 750

NTC (Negative Temperature Coefficient) Thermistors NTC,10K,1%,0402,125C,AEC-Q200,ECO

NTCGS103JF103FT7
TDK
1: Rp1.835
25.463In Stock

Mfr. Part No.
NTCGS103JF103FT7

Mouser Part No
810-NTCGS103JF103FT7

TDK

NTC (Negative Temperature Coefficient) Thermistors NTC,10K,1%,0402,125C,AEC-Q200,ECO

Learn More

Datasheet

25.463In Stock

Cut Tape

Rp1.835

Rp1.486

Rp1.284

Rp1.211

Reel

Rp807

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

Circuit Breakers

IUGH34-9414-1
AIRPAX
1: Rp2.705.118
2In Stock

Mfr. Part No.
IUGH34-9414-1

Mouser Part No
874-IUGH34-9414-1

AIRPAX

Circuit Breakers

2In Stock

Rp2.705.118

Rp2.562.936

Rp2.420.755

Rp2.337.097

Min.: 1
Mult.: 1

Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink

GV4PE115N
Schneider Electric
1: Rp21.525.912
1In Stock
New At Mouser

Mfr. Part No.
GV4PE115N

Mouser Part No
996-GV4PE115N

New At Mouser

Schneider Electric

Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink

Datasheet

1In Stock

Rp21.525.912

Rp20.108.317

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

AD55ABB
Bourns
1: Rp40.178
2.467In Stock

Mfr. Part No.
AD55ABB

Mouser Part No
652-AD55ABB

Bourns

Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200

Learn More

Datasheet

2.467In Stock

Rp40.178

Rp37.059

Rp27.702

Rp24.767

View

Min.: 1
Mult.: 1

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

SD82WBB
Bourns
1: Rp42.012
4.997In Stock

Mfr. Part No.
SD82WBB

Mouser Part No
652-SD82WBB

Bourns

Thermal Cut-offs TCO, High Current, SMD, 82C, non Self Hold AEC-Q200

Learn More

Datasheet

4.997In Stock

Cut Tape

Rp42.012

Rp38.894

Rp38.710

Rp32.289

View

Reel

Rp18.346

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

GDT28H-110-B
Bourns
1: Rp42.196
201In Stock

Mfr. Part No.
GDT28H-110-B

Mouser Part No
652-GDT28H-110-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

Learn More

Datasheet

201In Stock

Rp42.196

Rp34.490

Rp27.702

Rp24.767

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

P4SMA30CAHE3_A/I
Vishay Semiconductors
1: Rp13.026
2.246In Stock
15.000Expected 09/09/2026

Mfr. Part No.
P4SMA30CAHE3_A/I

Mouser Part No
78-P4SMA30CAHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

Learn More

Datasheet

2.246In Stock

15.000Expected 09/09/2026

Cut Tape

Rp13.026

Rp8.054

Rp5.192

Rp3.963

Reel

Rp2.660

View

Min.: 1
Mult.: 1

: 7.500

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

P6SMB300AHM3_D/H
Vishay Semiconductors
1: Rp23.299
4.500In Stock

Mfr. Part No.
P6SMB300AHM3_D/H

Mouser Part No
78-P6SMB300AHM3DH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

4.500In Stock

Cut Tape

Rp23.299

Rp14.585

Rp9.577

Rp7.467

Reel

Rp6.733

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 400W,45V 5%,BIDIR,SMA TVS

SMAJ45CAHE3_A/H
Vishay Semiconductors
1: Rp12.842
9.000In Stock

Mfr. Part No.
SMAJ45CAHE3_A/H

Mouser Part No
78-SMAJ45CAHE3_A/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,45V 5%,BIDIR,SMA TVS

Datasheet

9.000In Stock

Cut Tape

Rp12.842

Rp8.036

Rp5.174

Rp3.944

Reel

Rp3.045

View

Min.: 1
Mult.: 1

: 1.800

ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS

SMAJ6.0CAHE3_A/H
Vishay Semiconductors
1: Rp13.026
8.986In Stock

Mfr. Part No.
SMAJ6.0CAHE3_A/H

Mouser Part No
78-SMAJ6.0CAHE3_A/H

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,6.0V 5%,BIDIR,SMA TVS

Datasheet

8.986In Stock

Cut Tape

Rp13.026

Rp8.017

Rp5.174

Rp3.944

Reel

Rp2.972

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.800

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

SMBJ26AHE3_B/I
Vishay Semiconductors
1: Rp14.860
1.899In Stock

Mfr. Part No.
SMBJ26AHE3_B/I

Mouser Part No
78-SMBJ26AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

1.899In Stock

Cut Tape

Rp14.860

Rp9.191

Rp5.926

Rp4.513

Reel

Rp3.486

View

Min.: 1
Mult.: 1

: 3.200

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

SMBJ5.0AHM3_B/I
Vishay Semiconductors
1: Rp17.062
6.376In Stock

Mfr. Part No.
SMBJ5.0AHM3_B/I

Mouser Part No
78-SMBJ5.0AHM3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

Learn More

Datasheet

6.376In Stock

Cut Tape

Rp17.062

Rp10.604

Rp6.861

Rp5.265

Reel

Rp4.091

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.200

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103F05RH
Murata Electronics
1: Rp2.202
11.269In Stock
20.000Expected 08/03/2027

Mfr. Part No.
NCP02XH103F05RH

Mouser Part No
81-NCP02XH103F05RH

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

11.269In Stock

20.000Expected 08/03/2027

Cut Tape

Rp2.202

Rp1.761

Rp1.559

Rp1.303

View

Reel

Rp862

Min.: 1
Mult.: 1

: 20.000

NTC (Negative Temperature Coefficient) Thermistors

NCU15WF104FBSRC
Murata Electronics
1: Rp2.385
9.268In Stock

Mfr. Part No.
NCU15WF104FBSRC

Mouser Part No
81-NCU15WF104FBSRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.268In Stock

Rp2.385

Rp2.055

Rp1.816

Rp1.486

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15WM474E6SRC
Murata Electronics
1: Rp2.018
6.765In Stock

Mfr. Part No.
NCU15WM474E6SRC

Mouser Part No
81-NCU15WM474E6SRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

6.765In Stock

Rp2.018

Rp1.578

Rp1.394

Rp1.192

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XV103E60RC
Murata Electronics
1: Rp2.202
5.723In Stock

Mfr. Part No.
NCU15XV103E60RC

Mouser Part No
81-NCU15XV103E60RC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

5.723In Stock

Rp2.202

Rp2.036

Rp1.798

Rp1.468

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222E6SRC
Murata Electronics
1: Rp2.018
9.965In Stock

Mfr. Part No.
NCU15XW222E6SRC

Mouser Part No
81-NCU15XW222E6SRC

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.965In Stock

Rp2.018

Rp1.578

Rp1.394

Rp1.192

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support