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.
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Please view our selection of circuit protection devices below.
Results: 362,133
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS
PolyPhaser Connectorized Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube 76In Stock
95On Order
¥12,291.4
¥11,637
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube 78In Stock
¥13,327.9
¥12,618.6
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 22In Stock
¥14,151.7
¥13,422.5
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube 13In Stock
¥20,872.1
¥19,797.5
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 3 GHz (Platform 3000), with SEMPER GDT 230 V 19In Stock
¥67,808.7
¥61,400.5
¥59,347.5
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI 1In Stock
¥361,525
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount 16In Stock
59On Order
¥18,870.6
¥17,898.9
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 59In Stock
27On Order
¥34,060.5
¥32,618.7
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube 58In Stock
112On Order
¥12,736.5
¥12,057.2
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Hole Mount 20In Stock
¥18,872.3
¥17,900.6
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter 17In Stock
1Expected 11/20/2026
¥42,707.6
¥40,900.5
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorized Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 8In Stock
¥42,790.7
¥38,741.2
¥37,242.9
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI 1In Stock
¥434,374.8
Min.: 1
Mult.: 1
Vishay ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS 2,240In Stock
Cut Tape
¥485
¥313.9
¥254.1
¥214.3
Reel
¥142.8
Min.: 1
Mult.: 1
: 3,500
PolyPhaser Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 17In Stock
5Expected 11/5/2026
¥28,308.4
¥26,850.1
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 14In Stock
5Expected 11/2/2026
¥29,868.1
¥28,604.1
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Up, Hole Mount 22In Stock
¥32,311.4
¥30,647.1
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube 89In Stock
16Expected 11/13/2026
¥11,995.7
¥11,356.3
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM 21In Stock
¥33,130.3
¥31,730.1
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 217 MHz to 223 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA 6In Stock
¥58,689.8
¥56,208.2
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 35In Stock
¥27,449.7
¥26,036.2
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A 1In Stock
¥238,850.1
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU 2In Stock
¥151,114.5
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit 127In Stock
22Expected 11/9/2026
¥4,871.7
¥4,134.2
¥3,948.2
¥3,531.3
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 23In Stock
¥35,631.8
¥34,125.2
Min.: 1
Mult.: 1