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.
More...

Please view our selection of circuit protection devices below.
Results: 362.150
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 3 GHz (Platform 3000), with SEMPER GDT 230 V 19In Stock
Rp7.489.571,04
Rp6.781.782,36
Rp6.555.025,80
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI 1In Stock
Rp39.930.986,30
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 44In Stock
Rp1.736.999,28
Rp1.647.470,80
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount 20In Stock
71On Order
Rp3.316.222,96
Rp3.145.421,70
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 13In Stock
1Expected 23/10/2026
Rp3.588.294,14
Rp3.436.572,72
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount 33In Stock
5On Order
Rp2.305.358,36
Rp2.186.659,74
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 54In Stock
Rp2.242.248,12
Rp2.126.668,32
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 66In Stock
Rp2.431.762,30
Rp2.306.459,12
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Up, Hole Mount 67In Stock
69On Order
Rp3.000.304,84
Rp2.845.831,52
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% 2.997In Stock
Rp32.288,96
Rp24.216,72
Rp19.446,76
Rp18.180,89
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap 3In Stock
Rp22.609.793,86
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount 26In Stock
Rp4.051.347,18
Rp3.879.995,54
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode 15In Stock
5Expected 04/11/2026
Rp2.558.166,24
Rp2.426.258,50
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 84In Stock
51On Order
Rp1.800.109,52
Rp1.707.278,76
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors UHF F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 107In Stock
33Expected 06/11/2026
Rp1.547.301,64
Rp1.467.680,00
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount 58In Stock
34On Order
Rp1.800.109,52
Rp1.707.278,76
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B 10In Stock
Rp3.347.778,08
Rp3.175.325,68
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B 47In Stock
Rp3.501.517,56
Rp3.353.465,34
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 14In Stock
Rp3.617.280,82
Rp3.464.275,18
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Hole Mount 19In Stock
Rp3.935.583,92
Rp3.769.185,70
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 7In Stock
Rp7.539.839,08
Rp6.827.463,90
Rp6.599.056,20
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included 83In Stock
Rp2.021.178,82
Rp1.916.973,54
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 35In Stock
Rp1.406.771,28
Rp1.331.736,14
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount 43In Stock
Rp3.126.708,78
Rp2.965.630,90
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount 12In Stock
Rp3.442.626,90
Rp3.265.221,08
Min.: 1
Mult.: 1