.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: 359.326

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 #

SCRs SCR TO220 800V 40A STD THY

S8040RTP
Littelfuse
1: Rp106.774
887In Stock

Mfr. Part No.
S8040RTP

Mouser Part No
576-S8040RTP

Littelfuse

SCRs SCR TO220 800V 40A STD THY

Datasheet

887In Stock

Rp106.774

Rp70.999

Rp60.542

Rp55.038

Min.: 1
Mult.: 1

SCRs 1000V 25A

SK025LTP
Littelfuse
1: Rp81.456
4.875In Stock

Mfr. Part No.
SK025LTP

Mouser Part No
576-SK025LTP

Littelfuse

SCRs 1000V 25A

Datasheet

4.875In Stock

Rp81.456

Rp42.379

Rp38.527

Rp38.343

Min.: 1
Mult.: 1

Surface Mount Fuses 1206 0.2AMPS SMD

F1206B0R20FSTR
KYOCERA AVX
1: Rp13.943
4.026In Stock

Mfr. Part No.
F1206B0R20FSTR

Mouser Part No
581-F1206B0R20FSTR

KYOCERA AVX

Surface Mount Fuses 1206 0.2AMPS SMD

Learn More

Datasheet

4.026In Stock

Cut Tape

Rp13.943

Rp12.842

Rp11.558

Reel

Rp11.558

Rp10.329

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

NTCLE100E3471JB0
Vishay / BC Components
1: Rp9.907
13.598In Stock

Mfr. Part No.
NTCLE100E3471JB0

Mouser Part No
594-2381-640-63471

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 470ohms 5% Radial

Learn More

Datasheet

13.598In Stock

Rp9.907

Rp9.265

Rp8.659

Rp8.237

View

Min.: 1
Mult.: 1

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

MFU1206FF00500P500
Vishay / Beyschlag
1: Rp13.026
4.956In Stock

Mfr. Part No.
MFU1206FF00500P500

Mouser Part No
594-MFU1206FF00500P5

Vishay / Beyschlag

Surface Mount Fuses 63V 0.5A Fast Act Very Quick

Learn More

Datasheet

4.956In Stock

Cut Tape

Rp13.026

Rp12.384

Rp11.246

Rp10.622

View

Reel

Rp6.439

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

NTCC200E4472FT
Vishay / BC Components
1: Rp17.429
3.911In Stock

Mfr. Part No.
NTCC200E4472FT

Mouser Part No
594-NTCC200E4472FT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 4.7Kohm 1% 3435K 1% Silver Term

Learn More

Datasheet

3.911In Stock

Cut Tape

Rp17.429

Rp16.548

Rp15.447

Rp14.989

View

Reel

Rp10.824

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

NTC (Negative Temperature Coefficient) Thermistors 30Kohms 1% Beta val 3935K .75%

NTCLE213E3303FHB0
Vishay / BC Components
1: Rp21.832
11.225In Stock

Mfr. Part No.
NTCLE213E3303FHB0

Mouser Part No
594-NTCLE213E3303FHB

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 30Kohms 1% Beta val 3935K .75%

Learn More

Datasheet

11.225In Stock

Rp21.832

Rp20.731

Rp19.447

Rp18.529

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

NTCS0603E3103GMT
Vishay / BC Components
1: Rp9.540
6.230In Stock

Mfr. Part No.
NTCS0603E3103GMT

Mouser Part No
594-NTCS0603E3103GMT

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10Kohms 2% SMD

Learn More

Datasheet

6.230In Stock

Cut Tape

Rp9.540

Rp8.971

Rp8.329

Rp8.109

View

Reel

Rp6.183

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

ESD Protection Diodes / TVS Diodes 600W 9.0V

SMBJ9.0A-13-F
Diodes Incorporated
1: Rp8.439
28.295In Stock

Mfr. Part No.
SMBJ9.0A-13-F

Mouser Part No
621-SMBJ9.0A-13-F

Diodes Incorporated

ESD Protection Diodes / TVS Diodes 600W 9.0V

Datasheet

28.295In Stock

Cut Tape

Rp8.439

Rp4.623

Rp3.394

Rp2.825

Rp2.385

Reel

Rp1.780

MouseReel Available

Min.: 1
Mult.: 1
Max.: 3.000

: 3.000

ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect

1.5KE36CA-E3/54
Vishay Semiconductors
1: Rp21.098
6.193In Stock

Mfr. Part No.
1.5KE36CA-E3/54

Mouser Part No
625-1.5KE36CA-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 36V Bidirect

Learn More

Datasheet

6.193In Stock

Cut Tape

Rp21.098

Rp12.402

Rp11.301

Rp9.173

Reel

Rp7.265

Min.: 1
Mult.: 1

: 1.400

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

1.5KE75A-E3/54
Vishay Semiconductors
1: Rp21.465
6.000In Stock

Mfr. Part No.
1.5KE75A-E3/54

Mouser Part No
625-1.5KE75A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 1500W 75V Unidirect

Learn More

Datasheet

6.000In Stock

Cut Tape

Rp21.465

Rp12.732

Rp10.989

Rp8.678

Reel

Rp7.705

Rp6.770

Min.: 1
Mult.: 1

: 1.400

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

5KP150A-E3/54
Vishay Semiconductors
1: Rp68.064
1.212In Stock

Mfr. Part No.
5KP150A-E3/54

Mouser Part No
625-5KP150A-E3

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 5000W 150V Unidirect

Learn More

Datasheet

1.212In Stock

Cut Tape

Rp68.064

Rp39.260

Rp35.224

Rp27.702

Reel

Rp27.519

Rp24.767

Min.: 1
Mult.: 1

: 800

Industrial Surge Protectors CT 10-18FS+F/PE-24

2807926
Phoenix Contact
1: Rp18.694.391
4In Stock

Mfr. Part No.
2807926

Mouser Part No
651-2807926

Phoenix Contact

Industrial Surge Protectors CT 10-18FS+F/PE-24

Learn More

Datasheet

4In Stock

Rp18.694.391

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

2027-23-BT1LF
Bourns
1: Rp28.253
2.997In Stock

Mfr. Part No.
2027-23-BT1LF

Mouser Part No
652-2027-23-BT1LF

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT

Learn More

Datasheet

2.997In Stock

Cut Tape

Rp28.253

Rp26.051

Rp21.648

Rp19.997

Reel

Rp13.961

View

Min.: 1
Mult.: 1

: 1.000

LED Protection Devices 18volts

LSP1800AJR-S
Bourns
1: Rp17.796
9.868In Stock

Mfr. Part No.
LSP1800AJR-S

Mouser Part No
652-LSP1800AJR-S

Bourns

LED Protection Devices 18volts

Learn More

Datasheet

9.868In Stock

Cut Tape

Rp17.796

Rp10.898

Rp7.100

Rp5.467

Reel

Rp3.724

View

MouseReel Available

Min.: 1
Mult.: 1

: 5.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

MF-LSMF125X-2
Bourns
1: Rp10.457
8.441In Stock

Mfr. Part No.
MF-LSMF125X-2

Mouser Part No
652-MF-LSMF125X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 1.25A/15V

Learn More

Datasheet

8.441In Stock

Cut Tape

Rp10.457

Rp8.017

Rp7.522

Rp5.669

View

Reel

Rp4.348

MouseReel Available

Min.: 1
Mult.: 1

: 6.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V

MF-LSMF260/6X-2
Bourns
1: Rp13.026
8.841In Stock

Mfr. Part No.
MF-LSMF260/6X-2

Mouser Part No
652-MF-LSMF260/6X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V

Learn More

Datasheet

8.841In Stock

Cut Tape

Rp13.026

Rp10.255

Rp9.283

Rp7.082

View

Reel

Rp5.320

MouseReel Available

Min.: 1
Mult.: 1

: 6.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V

MF-LSMF330/12X-2
Bourns
1: Rp16.511
12.644In Stock

Mfr. Part No.
MF-LSMF330/12X-2

Mouser Part No
652-MF-LSMF330/12X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/12V

Learn More

Datasheet

12.644In Stock

Cut Tape

Rp16.511

Rp13.026

Rp11.852

Rp8.953

View

Reel

Rp6.623

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

MF-LSMF330/16X-2
Bourns
1: Rp19.630
7.452In Stock

Mfr. Part No.
MF-LSMF330/16X-2

Mouser Part No
652-MF-LSMF330/16X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/16V

Learn More

Datasheet

7.452In Stock

Cut Tape

Rp19.630

Rp15.411

Rp13.906

Rp10.769

View

Reel

Rp8.109

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

MF-LSMF330/24X-2
Bourns
1: Rp26.602
8.871In Stock

Mfr. Part No.
MF-LSMF330/24X-2

Mouser Part No
652-MF-LSMF330/24X-2

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 3.3A/24V

Learn More

Datasheet

8.871In Stock

Cut Tape

Rp26.602

Rp20.548

Rp15.356

Rp15.007

Rp13.943

Reel

Rp12.695

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

MF-MSMF150/12-2
Bourns
1: Rp9.540
18.899In Stock

Mfr. Part No.
MF-MSMF150/12-2

Mouser Part No
652-MF-MSMF150/12-2

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 1.5A 12V SMD 1812

Learn More

Datasheet

18.899In Stock

Cut Tape

Rp9.540

Rp7.228

Rp6.788

Rp5.119

View

Reel

Rp3.284

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

MF-PSMF035X-2
Bourns
1: Rp5.137
18.729In Stock

Mfr. Part No.
MF-PSMF035X-2

Mouser Part No
652-MF-PSMF035X-2

Bourns

Resettable Fuses - PPTC 6V 350MA-HD 40A MAX

Learn More

Datasheet

18.729In Stock

Cut Tape

Rp5.137

Rp4.531

Rp3.981

Rp3.779

Reel

Rp3.633

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

MF-R010-AP
Bourns
1: Rp8.256
16.531In Stock

Mfr. Part No.
MF-R010-AP

Mouser Part No
652-MF-R010-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.1A 60V RADIAL LEADED

Learn More

Datasheet

16.531In Stock

Rp8.256

Rp6.329

Rp5.926

Rp4.476

View

Reel

Rp2.880

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

MF-R075-AP
Bourns
1: Rp9.907
10.404In Stock

Mfr. Part No.
MF-R075-AP

Mouser Part No
652-MF-R075-AP

Bourns

Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED

Learn More

Datasheet

10.404In Stock

Rp9.907

Rp7.540

Rp7.063

Rp5.339

View

Reel

Rp3.376

Min.: 1
Mult.: 1

: 4.000

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

MF-R185-0-17
Bourns
1: Rp11.375
12.022In Stock

Mfr. Part No.
MF-R185-0-17

Mouser Part No
652-MF-R185-0-17

Bourns

Resettable Fuses - PPTC 30V 1.85A-HD 40A MAX

Learn More

Datasheet

12.022In Stock

Rp11.375

Rp8.696

Rp8.146

Rp6.146

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support