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: 361,524
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS
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
E-T-A Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, 3In Stock
Min.: 1
Mult.: 1

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

E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX 3In Stock
Min.: 1
Mult.: 1

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

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 0.75A/72V 2,800In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,12V 5%, DFN6546A BIDIR TVS 2,970In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,22V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,24V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 6,948In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,75V 5%,SMD PAR 600In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,36V5%,SMFBIDIRTVS 6,993In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 10,533In Stock
Min.: 1
Mult.: 1
: 3,000

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 1In Stock
4Expected 12/06/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount 2In Stock
21On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount 5In Stock
Min.: 1
Mult.: 1