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: 366,496
Select Image Part # Mfr. Description Datasheet Availability Pricing (MYR) 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, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, w/ Bracket 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter 7In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down 1In Stock
4Expected 20/3/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount 4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX 4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX 6In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R 7In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 750V 1,047In Stock
Min.: 1
Mult.: 1
Reel: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,64V 5%,SMD PAR 740In Stock
Min.: 1
Mult.: 1

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 5,135In Stock
15,000Expected 9/4/2026
Min.: 1
Mult.: 1

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 10,280In Stock
Min.: 1
Mult.: 1

Taoglas Connectorised Surge Protectors SURG.SMAMST.SMAFBKST.CO Surge Protector DC to 6 GHz SMA(M) Plug Straight to SMA(F) Jack Bulkhead Straight 7In Stock
Min.: 1
Mult.: 1

Pasternack Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect 2In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Surge Protection Accessories L-Shaped Adapter 20In Stock
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 4In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 650MHz - 2.7GHz, 400W, IP67, 30 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount 4In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount 8In Stock
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 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount 4In Stock
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 16In Stock
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories IX Series Pole Mount Kit 8In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B 7In Stock
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch 8In Stock
Min.: 1
Mult.: 1