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: 361.796
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 Mfr.
Description Datasheet Availability Pricing (DKK) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount
Datasheet
209In Stock
195On Order
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers LG 3 POLE 150KA FRAME ONLY
Datasheet
1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube
Datasheet
31In Stock
11Expected 30/07/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
9In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube
Datasheet
25In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube
Datasheet
31In Stock
43On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount
Datasheet
16In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount
Datasheet
48In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION
Datasheet
2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU
Datasheet
2In Stock
Min.: 1
Mult.: 1
Phoenix Contact Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R
Datasheet
5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
22In Stock
13Expected 31/07/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
44In Stock
Min.: 1
Mult.: 1



PolyPhaser Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors
Datasheet
52In 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
Datasheet
36In Stock
37On Order
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
Datasheet
7In 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
Datasheet
9In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PLATINUM NON-FLIGHT
Datasheet
5In Stock
Min.: 1
Mult.: 1

Schneider Electric Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3
Datasheet
1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
38In Stock
9Expected 07/08/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube
Datasheet
29In Stock
57On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location
Datasheet
9In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter
Datasheet
11In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI
Datasheet
1In Stock
Min.: 1
Mult.: 1
Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-750-3+0-UT-R
Datasheet
6In Stock
Min.: 1
Mult.: 1