Circuit Protection

Circuit Protection
Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Please view our selection of circuit protection devices below.
Results: 360,591
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS

KYOCERA AVX Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603 87,975In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay / BC Components PTC (Positive Temperature Coefficient) Thermistors PTCEL13EL 120ohms 18,084In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers QC , 1P, 100A, 120/240V, 10kaic 1In Stock
Min.: 1
Mult.: 1
Tripp Lite Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets 18In 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

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 14,930In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 8,733In Stock
Min.: 1
Mult.: 1
: 3,000

YAGEO ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V 3,559In Stock
15,000Expected 11/11/2026
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS 2,310In Stock
Min.: 1
Mult.: 1
: 3,500

Eaton Electrical Circuit Breakers Type BR Breaker 20A/2 Pole 120/240V 10K 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers EG 3P 80A adj therm 18kA CB w/end cap 1In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 18V BI SOD-123FL TR13 3,161In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 60V UNI SOD-123FL TR13 1,619In Stock
Min.: 1
Mult.: 1
: 5,000

YAGEO Resettable Fuses - PPTC 0805 16V 0.05A 0.6W SMD AEC-Q200 High Temp 7,865In Stock
20,000Expected 26/01/2027
Min.: 1
Mult.: 1
: 4,000

TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 499In Stock
1,000Expected 12/10/2026
Min.: 1
Mult.: 1

Nexperia ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2
9,946In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS 3,146In Stock
Min.: 1
Mult.: 1
: 3,500

Eaton Electrical Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K 3In 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 3,103In Stock
Min.: 1
Mult.: 1
: 5,000

Vishay ESD Protection Diodes / TVS Diodes 600W,68V 5%, SlimSMA BIDIR TVS 3,248In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 12,983In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 24V 15A 30kV SOD882 Bi-dir TVS 40,000In Stock
Min.: 1
Mult.: 1
: 10,000