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: 359,647
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 TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube 57In Stock
51On Order
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 15In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter 11In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 5KW AECQ-101 TR13 RoHS 1,814In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns Industrial & Electrical Fuses POWrFuse BD 1000Vdc 250A 13In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm 4In Stock
10Expected 31/08/2026
Min.: 1
Mult.: 1



PolyPhaser Surge Protection Accessories L-Shaped Adapter 20In 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 9In 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 11In Stock
2On Order
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 Lead-Time 5 Weeks
Min.: 1
Mult.: 1



PolyPhaser Surge Protection Accessories IX Series Pole Mount Kit 9In 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 9In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 5In Stock
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 9In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount 3In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX 6In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX 3In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS 6,662In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,28V5%,SMFBIDIRTVS 6,832In Stock
Min.: 1
Mult.: 1
: 10,000

TDK NTC (Negative Temperature Coefficient) Thermistors SMD NTC Thermistor 0603 47kOhm 1% B-4131 soft 2,800In Stock
Min.: 1
Mult.: 1
: 4,000

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 13In Stock
5On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM 5In Stock
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 18In Stock
11On Order
Min.: 1
Mult.: 1