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: 362 191
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
PolyPhaser Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube 3In Stock
4Expected 8/24/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount 11In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount 5In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX 7In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers 508,DM,24VDC,CL,20A,ATX 11In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC Thermistors ESA PROBE-RTD PT1000 1000mm ENG MODEL 1In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS 6 678In Stock
Min.: 1
Mult.: 1
: 10 000

TDK NTC Thermistors SMD NTC Thermistor 0603 10kOhm 1% B-3624 soft 2 800In Stock
Min.: 1
Mult.: 1
: 4 000

PolyPhaser Connectorized Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit 4In Stock
Min.: 1
Mult.: 1

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 2In Stock
10Expected 8/21/2026
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 4In Stock
Min.: 1
Mult.: 1



PolyPhaser Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 9In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 4In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount 7In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter 7In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube 9In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA 1In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 1In Stock
Min.: 1
Mult.: 1

StarTech Power Outlet Strips 13-Outlet Rackmount PDU, 1U Server Power Strip/Supply, 1x Front & 12x Rear Ports 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorized 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 Connectorized 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 Connectorized 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