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: 362,183
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Automotive Fuses 500AMP 48VDC 125VAC 1,117In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,499In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse Triacs 400V 10A 50-50-50mA 11,106In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors PT-IQ-5-HF-12DC-PT 55In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-10ANO 400In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors SCRs New Input Thyristor - D2PAK-e3 7,244In Stock
Min.: 1
Mult.: 1
: 800

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 4,990In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 60V UNI SOD-123FL TR13 4,639In Stock
Min.: 1
Mult.: 1
: 5,000

YAGEO Resettable Fuses - PPTC 0805 16V 0.05A 0.6W SMD AEC-Q200 High Temp 9,438In Stock
20,000Expected 2027-01-26
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 2026-12-14
Min.: 1
Mult.: 1

Nexperia ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2 9,997In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,11V 5%,UNIDIR,SMA TVS 7,430In Stock
Min.: 1
Mult.: 1
: 7,500
Vishay ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS 3,150In Stock
Min.: 1
Mult.: 1
: 3,500

YAGEO ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V 4,046In Stock
15,000Expected 2027-02-09
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

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23 7,873In Stock
40,000On Order
Min.: 1
Mult.: 1
: 10,000

Panjit ESD Protection Diodes / TVS Diodes Low Capacitance ESD Protection 2,990In Stock
Min.: 1
Mult.: 1
: 3,000

Tripp Lite Power Outlet Strips Protect It! 2-Outlet Travel-Size Surge Protector - 5-15R Outlets 17In Stock
Min.: 1
Mult.: 1

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34,620In Stock
Min.: 1
Mult.: 1
: 10,000

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220 Ins 995In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,134In Stock
Min.: 1
Mult.: 1
: 800


KYOCERA AVX Surface Mount Fuses .0375A 4.8mOhm Red T hin Film Fuses 0603 88,225In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay / BC Components PTC Thermistors PTCEL13EL 120ohms 21,267In Stock
Min.: 1
Mult.: 1



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
Min.: 1
Mult.: 1