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: 362,007
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
E-T-A Circuit Breakers 1077, 1P, PL, 277VAC/65VDC, F2, aux contacts, N/O N/C, 4A 10In Stock
Min.: 1
Mult.: 1
Bel Fuse Automotive Fuses 1000V-Rated fuse for EV/HEV/ESS 300A 4In Stock
Min.: 1
Mult.: 1

Bel Fuse Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 200A 11In Stock
Min.: 1
Mult.: 1

Vishay NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm 130In Stock
200On Order
Min.: 1
Mult.: 1

YAGEO Surface Mount Fuses JB12F SMD Fuse 63V 3A Fast 1206 3.2mm X 1.6mm 3,857In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,UNIDIR,SMB TVS 3,115In Stock
Min.: 1
Mult.: 1
Reel: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,30V 5%,BIDIR,SMB TVS 5,102In Stock
Min.: 1
Mult.: 1
Reel: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS 7,088In Stock
Min.: 1
Mult.: 1
Reel: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,28V 5%,UNIDIR,SMB TVS 7,475In Stock
7,500On Order
Min.: 1
Mult.: 1
Reel: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS 5,853In Stock
Min.: 1
Mult.: 1
Reel: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,48V 5%,UNIDIR,SMB TVS 7,068In Stock
Min.: 1
Mult.: 1
Reel: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,SMB PAR 4,400In Stock
Min.: 1
Mult.: 1
Reel: 750


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 prot 8In Stock
Min.: 1
Mult.: 1
Bel Fuse Automotive Fuses 1000V-Rated fuse for EV/HEV/ESS 175A 21In Stock
16On Order
Min.: 1
Mult.: 1

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohms 3% 3984K/0.5% 40mm 618In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V 305In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 1206 Resettable SMD PPTC 1.5A/6V 5,735In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V 5%,BIDIR,SMA TVS 6,880In Stock
7,000On Order
Min.: 1
Mult.: 1
Reel: 7,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS 3,034In Stock
Min.: 1
Mult.: 1
Reel: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,110V 5%,BIDIR,SMB TVS 5,907In Stock
Min.: 1
Mult.: 1
Reel: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,36V 5%,UNIDIR,SMB TVS 3,100In Stock
Min.: 1
Mult.: 1
Reel: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,43V 5%,SMB PAR 4,320In Stock
Min.: 1
Mult.: 1
Reel: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,47V 5%,SMB PAR 3,850In Stock
Min.: 1
Mult.: 1
Reel: 750

Murrelektronik Circuit Breakers Mico Pro Power module, IN: 24 V DC / 40A, 16mm 7In Stock
Min.: 1
Mult.: 1
Bel Fuse Automotive Fuses 500V-Rated fuse for EV/HEV/ESS 150A 14In Stock
30On Order
Min.: 1
Mult.: 1