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: 361,299
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 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

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

Phoenix Contact Circuit Breakers PTCB TM1 3A F2 NO P 40In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 4A M1 NO P 22In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-120/65/1+0-R 3In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-240/50-P 6In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-240D/65-P 7In 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,13V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes Diode, TVS, uni-dir, 1000W, 9.0V, 5%, SMB (DO-214AA), auto-grade 2,240In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,33V5%,SMFBIDIRTVS 10,000In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 8,759In 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 M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 8In Stock
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

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube 6In Stock
10On Order
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube 12In Stock
17On 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/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 8In 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 5In Stock
124Expected 20/07/2026
Min.: 1
Mult.: 1