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: 359,634
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay / BC Components NTC Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A 1,195In Stock
1,500On Order
Min.: 1
Mult.: 1

Vishay / BC Components NTC Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A 540In Stock
Min.: 1
Mult.: 1



Bourns Fuse Holder CFB1 FUSE BLOCK 150A FUSE 25In Stock
Min.: 1
Mult.: 1

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A 9,750In Stock
Min.: 1
Mult.: 1
: 10,000

Eaton Electrical Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,20A,35KA/480V,FXFXTMTU 3In Stock
Min.: 1
Mult.: 1


Bourns Fuse Holder CFB1 FUSE BLOCK, NO FUSE 20In Stock
Min.: 1
Mult.: 1

Citel Connectorized Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit 7In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS 9,278In Stock
Min.: 1
Mult.: 1
: 3,200

Bourns Thermal Cutoffs TCO, High Current, SMD, 90C, Self Hold AEC-Q200 15,230In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB 29,995In Stock
Min.: 1
Mult.: 1
: 3,000
Vishay Semiconductors SCRs NEW INPUT THYRISTOR - SUPER-248 973In Stock
Min.: 1
Mult.: 1

Murata Electronics NTC Thermistors 40,229In Stock
Min.: 1
Mult.: 1
: 20,000
Honeywell NTC Thermistors Uni-Curve w/ bare leads & epoxy 859In Stock
Min.: 1
Mult.: 1

HUBER+SUHNER Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz 52In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 72In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V UNI SOD-123FL TR13 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 6.5V UNI SOD-123FL TR13 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

TDK Varistors MLV, 040, 4V, StandardClamp Variant 10,000In Stock
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 12,520In Stock
Min.: 1
Mult.: 1
: 15,000
Littelfuse ESD Protection Diodes / TVS Diodes 5V 3A 15kV WLCSP0201 Bi-dir TVS 60,258In Stock
Min.: 1
Mult.: 1
: 10,000

TDK NTC Thermistors ICL S364/20 M 21mm 2,194In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 10V UNI SOD-123FL TR13 5,000In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 12V BI SOD-123FL TR13 3,128In Stock
Min.: 1
Mult.: 1
: 5,000