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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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Part #

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

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Datasheet

3In Stock

528,31 €

433,80 €

394,87 €

Quote

Min.: 1
Mult.: 1

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

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Datasheet

750In Stock

2,67 €

1,74 €

1,20 €

0,998 €

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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

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Datasheet

300In Stock

750On Order

1,78 €

1,10 €

0,758 €

0,708 €

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Min.: 1
Mult.: 1

Varistors MOV 430V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

431KH20-AT
YAGEO
1: 1,79 €
300In Stock
750On Order
New Product

Mfr. Part No.
431KH20-AT

Mouser Part No
603-431KH20-AT

New Product

YAGEO

Varistors MOV 430V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

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Datasheet

300In Stock

750On Order

1,79 €

1,11 €

0,763 €

0,713 €

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Min.: 1
Mult.: 1

Varistors MOV 560V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

561KH20-AT
YAGEO
1: 1,83 €
250In Stock
750On Order
New Product

Mfr. Part No.
561KH20-AT

Mouser Part No
603-561KH20-AT

New Product

YAGEO

Varistors MOV 560V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

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Datasheet

250In Stock

750On Order

1,83 €

1,14 €

1,02 €

0,845 €

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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

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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

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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

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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

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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

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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

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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

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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

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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 100In 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 100In 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

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

471KH10-AT
YAGEO
1: 0,80 €
1 180In 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 180In Stock

1 200On Order

0,80 €

0,479 €

0,301 €

0,264 €

View

Min.: 1
Mult.: 1

Varistors MOV 470V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

471KH20-AT
YAGEO
1: 1,79 €
372In Stock
675On Order
New Product

Mfr. Part No.
471KH20-AT

Mouser Part No
603-471KH20-AT

New Product

YAGEO

Varistors MOV 470V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

Learn More

Datasheet

372In Stock

675On Order

1,79 €

1,11 €

0,763 €

0,713 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

CDSOD323-T05C-Q
Bourns
1: 1,02 €
209In Stock
12 000Expected 11/10/2026
New Product

Mfr. Part No.
CDSOD323-T05C-Q

Mouser Part No
652-CDSOD323-T05C-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes ESD 5V BI SOD323

Learn More

Datasheet

209In Stock

12 000Expected 11/10/2026

Cut Tape

1,02 €

0,637 €

0,418 €

0,323 €

Reel

0,255 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

CDSOD323-T12SC-Q
Bourns
1: 1,03 €
2 100In Stock
New Product

Mfr. Part No.
CDSOD323-T12SC-Q

Mouser Part No
652-CDSOD323-T12SC-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE

Learn More

Datasheet

2 100In Stock

Cut Tape

1,03 €

0,645 €

0,424 €

0,33 €

Reel

0,255 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

PF-01N100E315B2
Bourns
1: 286,41 €
6In Stock
New Product

Mfr. Part No.
PF-01N100E315B2

Mouser Part No
652-PF-01N100E315B2

New Product

Bourns

Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A

Learn More

Datasheet

6In Stock

286,41 €

237,64 €

202,87 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV

AQ3118-02JTG
Littelfuse
1: 1,01 €
2 673In Stock
New Product

Mfr. Part No.
AQ3118-02JTG

Mouser Part No
576-AQ3118-02JTG

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes 18 V, 0.6 pF, 10 kV

Learn More

Datasheet

2 673In Stock

Cut Tape

1,01 €

0,637 €

0,419 €

0,326 €

Reel

0,256 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3 000

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

SMBJ85CA-E
Littelfuse
1: 0,516 €
2 320In Stock
New Product

Mfr. Part No.
SMBJ85CA-E

Mouser Part No
576-SMBJ85CAE

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ85CA CR T&R

Datasheet

2 320In Stock

Cut Tape

0,516 €

0,314 €

0,20 €

0,151 €

Reel

0,092 €

View

Min.: 1
Mult.: 1

: 3 000

Varistors MOV 270V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200

271KH20-AT
YAGEO
1: 1,78 €
300In Stock
750On Order
New Product

Mfr. Part No.
271KH20-AT

Mouser Part No
603-271KH20-AT

New Product

YAGEO

Varistors MOV 270V 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

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