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: 362,172
Select Image Part # Mfr. Description Datasheet Availability Pricing (CAD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V 1,715In Stock
Min.: 1
Mult.: 1
: 1,000


Semtech ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS 16,313In Stock
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 30KW 5%BI P600 39V TR13 1,172In Stock
Min.: 1
Mult.: 1
: 800



Littelfuse Industrial & Electrical Fuses 2A 600VAC 300VDC Fast Acting 1,198In Stock
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 134In Stock
Min.: 1
Mult.: 1

TDK Varistors 460VAC 10% 4032mm 50,104In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 874In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 1,100In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V, REEL 2,812In Stock
Min.: 1
Mult.: 1
: 1,500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2700 V 1,909In Stock
Min.: 1
Mult.: 1
: 1,000

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34,620In Stock
Min.: 1
Mult.: 1
: 10,000

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220 Ins 995In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,231In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 4A 1500VDC Solar 50kA Photovoltaic 676In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T 31,476In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes LOW CAP TVS & TELCOM INTERFACE 11,000In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes ESD 20V BI 12,520In Stock
Min.: 1
Mult.: 1
: 15,000
TDK NTC Thermistors ICL S364/20 M 21mm 2,194In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,619In Stock
Min.: 1
Mult.: 1
: 800



Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A+ IOL 85In Stock
Min.: 1
Mult.: 1

TDK NTC Thermistors 10k 3988 3% 7,519In Stock
Min.: 1
Mult.: 1



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 350V 1,573In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V 1,965In Stock
Min.: 1
Mult.: 1
: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V 1,682In Stock
Min.: 1
Mult.: 1
: 1,000