Circuit Protection

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.
Results: 362 093
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 450A 3In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 30V, 100A ,DNF2020-6L 3 100In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse SCRs 8A 800V Std TO-251 V-PAK 750In Stock
Min.: 1
Mult.: 1

YAGEO Varistors MOV 240V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 300In Stock
750On Order
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes ESD 5V UNI 8 400In Stock
Min.: 1
Mult.: 1
: 12 000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 600A 4In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated NTC Thermistor, Probe, Surface Mount 15K4 1In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes DIO TVS VWM 03V 400W BIDIR SOD323 AUTO GRADE 2 100In Stock
Min.: 1
Mult.: 1
: 3 000

Bourns ESD Protection Diodes / TVS Diodes DIO TVS VWM 36V 400W BIDIR SOD323 AUTO GRADE 2 099In Stock
Min.: 1
Mult.: 1
: 3 000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A 6In Stock
Min.: 1
Mult.: 1

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 630A 4In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 315A 2In Stock
1Expected 9/3/2026
Min.: 1
Mult.: 1

Littelfuse Triacs 0.8A 600V Sens SOT-89 700In Stock
200Expected 8/12/2026
Min.: 1
Mult.: 1
: 1 000

YAGEO Varistors MOV 390V 20mm 6.5KA 10% Silcn Coatng Strt Leads AEC-Q200 300In Stock
750On Order
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors SFP2-1S-1-20A-230AC-UT 2In Stock
24Expected 10/26/2026
Min.: 1
Mult.: 1

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 400A 4In Stock
Min.: 1
Mult.: 1

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 550A 4In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 5V, 6A, SOD882 10 080In Stock
Min.: 1
Mult.: 1
: 10 000

Bourns ESD Protection Diodes / TVS Diodes DIO TVS VWM 24V 350W BIDIR SOD323 Automotive 2 044In Stock
Min.: 1
Mult.: 1
: 3 000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A 6In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses Specialty Fuses POWR-SPEED SQB ESR 1500VDC 3XL BOLT 250A 3In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 7V & 12V 75pF 20A SOT23-3L 2 100In Stock
100Expected 11/17/2026
Min.: 1
Mult.: 1
: 3 000

YAGEO Varistors MOV 470V 10mm 2.5KA 10% Silcn Coatng Strt Leads AEC-Q200 1 180In Stock
1 200On Order
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes DIO TVS VWM 12V 400W BIDIR SOD323 AUTO GRADE 2 100In Stock
Min.: 1
Mult.: 1
: 3 000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 315A 6In Stock
Min.: 1
Mult.: 1