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 (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Varistors 50VAC 10% 3225mm 8 833In Stock
Min.: 1
Mult.: 1
: 2 000

TDK Varistors 0612 50V 30A 56pF 10 914In Stock
Min.: 1
Mult.: 1
: 3 000



AIRPAX Circuit Breakers Cir Brkr Hyd Mag 33In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes MARKETING PART NUMBER 33 845In Stock
Min.: 1
Mult.: 1
: 30 000


Semtech ESD Protection Diodes / TVS Diodes Femto Farad RailClamp 1-Line, 200fF ESD and EOS Protection 15 398In Stock
Min.: 1
Mult.: 1



Schneider Electric Circuit Breakers MAN-START 600VAC 65AMP IEC 5In Stock
Min.: 1
Mult.: 1



Weidmuller Circuit Breakers CB4201-10, 2.5A/TS35 14In Stock
Min.: 1
Mult.: 1
Bel Fuse Surface Mount Fuses SMD Fuse. Fast Acting, 6A, 400Vdc 486In Stock
Min.: 1
Mult.: 1
: 1 000

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 1 100In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 1-Line 200V 1.9A TVS DO-214AA(SMB) 2 978In Stock
Min.: 1
Mult.: 1
: 3 000

Panjit ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 64V, 5KW, SMC 2 134In Stock
Min.: 1
Mult.: 1
: 800

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 872In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220AB 999In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V 1 456In Stock
Min.: 1
Mult.: 1
: 1 000



E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 257In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 162In Stock
Min.: 1
Mult.: 1

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 210In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC Thermistors Glass Encapsulated 30K Ohm +/- 5% 25C 2 060In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 4 A, 125 VAC / VDC 14 918In Stock
Min.: 1
Mult.: 1
: 5 000

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 250mA Tape and Reel (10000 pcs.) 8 600In Stock
Min.: 1
Mult.: 1
: 10 000

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 2A Tape and Reel (10000 pcs.) 5 854In Stock
Min.: 1
Mult.: 1
: 10 000

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 0.2A 600VAC600VDC 795In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 315mA, 1000VAC/VDC 642In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 2A 1000VAC/VDC 924In Stock
Min.: 1
Mult.: 1