.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: 362.143

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 #

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

PF-1NH100E500B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E500B2

Mouser Part No
652-PF-1NH100E500B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 500A

Learn More

Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

ESR3XLDB0315XI
Littelfuse
1: 498,58 €
3In Stock
New Product

Mfr. Part No.
ESR3XLDB0315XI

Mouser Part No
576-ESR3XLDB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL DIN 315A

Learn More

Datasheet

3In Stock

498,58 €

409,39 €

372,65 €

Quote

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

ESR3XLUB0500XI
Littelfuse
1: 523,31 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0500XI

Mouser Part No
576-ESR3XLUB0500XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 500A

Learn More

Datasheet

3In Stock

523,31 €

445,42 €

399,37 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

SC4340L-01ETG
Littelfuse
1: 0,533 €
6.980In Stock
New Product

Mfr. Part No.
SC4340L-01ETG

Mouser Part No
576-SC4340L-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.55pF, 20A, SOD882

Learn More

6.980In Stock

Cut Tape

0,533 €

0,323 €

0,206 €

0,171 €

Reel

0,095 €

View

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

SP1120-01WTG
Littelfuse
1: 0,232 €
7.629In Stock
New Product

Mfr. Part No.
SP1120-01WTG

Mouser Part No
576-SP1120-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes "20 V, 50pF, 5A,"

Learn More

7.629In Stock

Cut Tape

0,232 €

0,14 €

0,11 €

0,105 €

View

Reel

0,077 €

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

SP4340L-01WTG
Littelfuse
1: 0,258 €
7.614In Stock
New Product

Mfr. Part No.
SP4340L-01WTG

Mouser Part No
576-SP4340L-01WTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 4V, 0.45pF, 20A, Flipchip

Learn More

7.614In Stock

Cut Tape

0,258 €

0,16 €

0,126 €

0,12 €

View

Reel

0,088 €

Min.: 1
Mult.: 1

: 10.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

PF-01N100E350B2
Bourns
1: 286,41 €
6In Stock
New Product

Mfr. Part No.
PF-01N100E350B2

Mouser Part No
652-PF-01N100E350B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 350A

Learn More

Datasheet

6In Stock

286,41 €

237,64 €

202,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

ESR3XLUB0450XI
Littelfuse
1: 528,31 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0450XI

Mouser Part No
576-ESR3XLUB0450XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A

Learn More

Datasheet

3In Stock

528,31 €

433,80 €

394,87 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

SC3000-01UTG
Littelfuse
1: 1,37 €
3.100In Stock
New Product

Mfr. Part No.
SC3000-01UTG

Mouser Part No
576-SC3000-01UTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L

Learn More

Datasheet

3.100In Stock

Cut Tape

1,37 €

0,869 €

0,573 €

0,449 €

Reel

0,349 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

SCRs 8A 800V Std TO-251 V-PAK

SJ8008VTP
Littelfuse
1: 2,67 €
750In Stock
New Product

Mfr. Part No.
SJ8008VTP

Mouser Part No
576-SJ8008VTP

New Product

Littelfuse

SCRs 8A 800V Std TO-251 V-PAK

Learn More

Datasheet

750In Stock

2,67 €

1,74 €

1,20 €

0,998 €

View

Min.: 1
Mult.: 1

Varistors MOV 240V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

241KH20-AT
YAGEO
1: 1,78 €
300In Stock
750On Order
New Product

Mfr. Part No.
241KH20-AT

Mouser Part No
603-241KH20-AT

New Product

YAGEO

Varistors MOV 240V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

Learn More

Datasheet

300In Stock

750On Order

1,78 €

1,10 €

0,758 €

0,708 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V UNI

CDDFN2-T5V0SC
Bourns
1: 0,327 €
8.400In Stock
New Product

Mfr. Part No.
CDDFN2-T5V0SC

Mouser Part No
652-CDDFN2-T5V0SC

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V UNI

Learn More

Datasheet

8.400In Stock

Cut Tape

0,327 €

0,227 €

0,111 €

0,093 €

Reel

0,04 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 12.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

PF-1NH100E600B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E600B2

Mouser Part No
652-PF-1NH100E600B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A

Learn More

Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

ESR3XLUB0315XI
Littelfuse
1: 502,64 €
2In Stock
1Expected 9/3/2026
New Product

Mfr. Part No.
ESR3XLUB0315XI

Mouser Part No
576-ESR3XLUB0315XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A

Learn More

Datasheet

2In Stock

1Expected 9/3/2026

502,64 €

412,72 €

375,68 €

Quote

Min.: 1
Mult.: 1

Triacs 0.8A 600V Sens SOT-89

LX809MBRP
Littelfuse
1: 1,17 €
700In Stock
200Expected 8/12/2026
New Product

Mfr. Part No.
LX809MBRP

Mouser Part No
576-LX809MBRP

New Product

Littelfuse

Triacs 0.8A 600V Sens SOT-89

Learn More

Datasheet

700In Stock

200Expected 8/12/2026

Cut Tape

1,17 €

0,72 €

0,473 €

0,377 €

Reel

0,32 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

Varistors MOV 390V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

391KH20-AT
YAGEO
1: 1,79 €
300In Stock
750On Order
New Product

Mfr. Part No.
391KH20-AT

Mouser Part No
603-391KH20-AT

New Product

YAGEO

Varistors MOV 390V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

Learn More

Datasheet

300In Stock

750On Order

1,79 €

1,11 €

0,763 €

0,713 €

View

Min.: 1
Mult.: 1

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

1292605
Phoenix Contact
1: 220,56 €
2In Stock
24Expected 10/26/2026
New Product

Mfr. Part No.
1292605

Mouser Part No
651-1292605

New Product

Phoenix Contact

Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT

Learn More

Datasheet

2In Stock

24Expected 10/26/2026

220,56 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

PF-1NH100E400B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E400B2

Mouser Part No
652-PF-1NH100E400B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A

Learn More

Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

PF-1NH100E550B2
Bourns
1: 313,70 €
4In Stock
New Product

Mfr. Part No.
PF-1NH100E550B2

Mouser Part No
652-PF-1NH100E550B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A

Learn More

Datasheet

4In Stock

313,70 €

249,44 €

229,87 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

SC1003-01ETG
Littelfuse
1: 0,516 €
10.080In Stock
New Product

Mfr. Part No.
SC1003-01ETG

Mouser Part No
576-SC1003-01ETG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882

Learn More

Datasheet

10.080In Stock

Cut Tape

0,516 €

0,316 €

0,201 €

0,168 €

Reel

0,094 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 10.000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

CDSOD323-T24LC-Q
Bourns
1: 1,07 €
2.044In Stock
New Product

Mfr. Part No.
CDSOD323-T24LC-Q

Mouser Part No
652-CDSOD323-T24LC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive

Learn More

Datasheet

2.044In Stock

Cut Tape

1,07 €

0,667 €

0,439 €

0,341 €

Reel

0,264 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

PF-01N100E250B2
Bourns
1: 272,66 €
6In Stock
New Product

Mfr. Part No.
PF-01N100E250B2

Mouser Part No
652-PF-01N100E250B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A

Learn More

Datasheet

6In Stock

272,66 €

225,13 €

193,16 €

183,12 €

Min.: 1
Mult.: 1

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

ESR3XLUB0250XI
Littelfuse
1: 449,28 €
3In Stock
New Product

Mfr. Part No.
ESR3XLUB0250XI

Mouser Part No
576-ESR3XLUB0250XI

New Product

Littelfuse

Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A

Learn More

Datasheet

3In Stock

449,28 €

368,91 €

335,81 €

Quote

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

SC712-02HTG
Littelfuse
1: 1,12 €
2.100In Stock
100Expected 11/17/2026
New Product

Mfr. Part No.
SC712-02HTG

Mouser Part No
576-SC712-02HTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L

Learn More

Datasheet

2.100In Stock

100Expected 11/17/2026

Cut Tape

1,12 €

0,703 €

0,461 €

0,359 €

Reel

0,278 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Varistors MOV 470V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

471KH10-AT
YAGEO
1: 0,80 €
1.179In Stock
1.200On Order
New Product

Mfr. Part No.
471KH10-AT

Mouser Part No
603-471KH10-AT

New Product

YAGEO

Varistors MOV 470V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200

Learn More

Datasheet

1.179In Stock

1.200On Order

0,80 €

0,479 €

0,301 €

0,264 €

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support