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. 
More...

Please view our selection of circuit protection devices below.
Results: 362.114
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) 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, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 7In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 5In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers 508,DM,24VDC,CL,12A,ATX 42In Stock
88Expected 8/7/2026
Min.: 1
Mult.: 1



E-T-A Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX 4In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 2In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT 7In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-277/50/1+1-R 5In Stock
Min.: 1
Mult.: 1

TDK Varistors MLV, 1206, 35V 4.000In Stock
Min.: 1
Mult.: 1
: 2.000

PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 8In Stock
6Expected 8/28/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid 1In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 8In Stock
5Expected 9/1/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 M/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube 9In Stock
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 2In Stock
13Expected 8/19/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins 1In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM 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 Up 1In Stock
Min.: 1
Mult.: 1


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



E-T-A Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX 7In Stock
Min.: 1
Mult.: 1



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

Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-NPE-0+1-UT 6In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 6.948In Stock
Min.: 1
Mult.: 1
: 10.000



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