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: 365.405
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube 2In Stock
37Expected 22/05/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 4In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket 4In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .005uJ, 40kA, Filter, Low PIM 2In Stock
4Expected 11/05/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount 6In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount 8In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV 14In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX 8In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX 4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX 7In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX 4In Stock
Min.: 1
Mult.: 1

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A 845In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 2A F2 NO P 27In Stock
35On Order
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 6A F2 NO P 30In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 1A M1 NO P 33In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 8A M1 NO P 34In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V 2.797In Stock
Min.: 1
Mult.: 1
: 4.000

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 7.0A/12V 2.800In Stock
Min.: 1
Mult.: 1
: 4.000

Bourns Industrial & Electrical Fuses POWrFuse BD 500Vdc/690Vac 100A 14In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,15V 5%, DFN6546A TVS 3.000In Stock
Min.: 1
Mult.: 1
: 1.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,18V 5%, DFN6546A TVS 2.995In Stock
Min.: 1
Mult.: 1
: 1.500