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. 
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Please view our selection of circuit protection devices below.
Results: 359,647
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 414In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses SM 2410 Slow Blow, 500mA 24,432In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses SM 2410 Slow Blow, 3.5A 8,246In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 3A Tape and Reel (10000 pcs.) 7,033In Stock
Min.: 1
Mult.: 1
: 10,000

Bel Fuse Surface Mount Fuses SMD fuse 500VDC 350VAC 3.15A 1,255In Stock
Min.: 1
Mult.: 1
: 1,000

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 2.5A, 1000VAC/VDC 886In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 1/4 x 1-1/4 Inch Ceramic Tube Fuse High I (2nd degree) t 20A 947In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 10A, 600VAC/500VDC 2,984In Stock
Min.: 1
Mult.: 1

Bel Fuse Resettable Fuses - PPTC Radial PPTC 3 Ih 16V 9,284In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 4,085In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 1206 SMT Fuse VeryFastActing 1.25A 26,079In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Cartridge Fuses 250V 2.5A 3.6X10 FA PT PB-FREE 979In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses 58V 4A 11,181In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi-Power Diode Axial 202In Stock
Min.: 1
Mult.: 1

Littelfuse Fuse Holder Accessories Gray 8-10Ga. Wire Seal 1,350In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors NTC THRM GLASS BEAD 3977 30K 10% 2,729In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 400V 10A 50-50-50mA 1,900In Stock
Min.: 1
Mult.: 1
Littelfuse Triacs 400V 30A ALTNSTR ISO 50-50-50 mA TO220 1,223In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 600V 15A 80-80-80mA 1,606In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 800V 8A 35-35-35mA 1,959In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 800V 12A 50-50-50mA 965In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 800V 16A 990In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Triacs TRIAC TO263 800V 25A HT ALTN 1,321In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse SCRs 400V 25A SCR TO220 ISO 3,139In Stock
Min.: 1
Mult.: 1
Littelfuse SCRs 600V 40A 15mA TO263 High Temp 150c SCRs 745In Stock
Min.: 1
Mult.: 1
: 500