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: 361,747
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Phoenix Contact Circuit Breakers PTCB TM1 4A F2 NO P 20In Stock
Min.: 1
Mult.: 1

Bourns Connectorised Surge Protectors AC SPD, thermal p, 20kA rated, 240V 15In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,27V5%,SMFBIDIRTVS
Min.: 1
Mult.: 1

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323 14,800In Stock
Min.: 1
Mult.: 1

EPCOS / TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v 790In Stock
Min.: 1
Mult.: 1
Reel: 500

PolyPhaser Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube 7In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 3In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B 4In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter 4In Stock
Min.: 1
Mult.: 1


PolyPhaser Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch 8In 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, w/ Bracket 8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter 7In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down 4In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount 4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX 4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX 6In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R 7In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 10A F2 NO P
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 750V 1,047In Stock
Min.: 1
Mult.: 1
Reel: 1,500

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 6.0A/16V 2,800In Stock
Min.: 1
Mult.: 1
Reel: 4,000

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

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,54V 5%,SMD PAR 750In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,64V 5%,SMD PAR 740In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,39V5%,SMFBIDIRTVS
Min.: 1
Mult.: 1