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: 365.613
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
E-T-A Circuit Breakers 508,DM,24VDC,CL,12A,ATX Lead-Time 6 Weeks
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

Littelfuse ESD Protection Diodes / TVS Diodes 5 V, 0.45 pF, 15 kV, SOD883 10.075In Stock
Min.: 1
Mult.: 1
: 10.000

Phoenix Contact Circuit Breakers PTCB TM1 1A F2 NO P 40In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 0.5A M1 NO P 40In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-480D/40/3+0-R 2In Stock
3Expected 01/06/2026
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.35A/72V 2.800In Stock
Min.: 1
Mult.: 1
: 4.000

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.5A/72V 2.765In Stock
Min.: 1
Mult.: 1
: 4.000

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.0A/33V 2.755In Stock
Min.: 1
Mult.: 1
: 4.000

Bourns Resettable Fuses - PPTC 1812 Resettable SMD PPTC 0.1A/60V 3.217In Stock
Min.: 1
Mult.: 1
: 2.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A TVS 3.000In Stock
Min.: 1
Mult.: 1
: 1.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,20V 5%, DFN6546A BIDIR TVS 3.000In Stock
Min.: 1
Mult.: 1
: 1.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,24V 5%, DFN6546A TVS 3.000In Stock
Min.: 1
Mult.: 1
: 1.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V5%,SMFBIDIRTVS 10.000In Stock
Min.: 1
Mult.: 1
: 10.000

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 100W, 120uJ, 20kA, Blocking Cap, Hole Mount 4In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 20In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 3In Stock
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 4In 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 13In Stock
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 4In 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 8In 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 4In 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, Gold-Plated Pins 1In Stock
Min.: 1
Mult.: 1