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: 361,746
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Analog Devices Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr 20,355In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Analog Devices Board Mount Surge Protectors Hi V Surge Stopper 8,516In Stock
Min.: 1
Mult.: 1
Reel: 500

Analog Devices Board Mount Surge Protectors 100V Overvoltage, Undervoltage & Reverse 7,963In Stock
Min.: 1
Mult.: 1



Phoenix Contact Circuit Breakers CBM E4 24DC/0.5-10A NO-R 160In Stock
Min.: 1
Mult.: 1

EPCOS / TDK Varistors 460VAC 10% 4032mm 54,598In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 50mA 875In Stock
Min.: 1
Mult.: 1
Reel: 500

EPCOS / TDK Varistors 14mm, 460Vac, 10%, AdvanceD Compact Series 6,233In Stock
Min.: 1
Mult.: 1



Weidmuller Circuit Breakers CB4201-10, 15.0A/TS35 96In Stock
81On Order
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 7V 2.5A 0.3pF 22kV SOD523 Uni-dir TVS 31,296In Stock
Min.: 1
Mult.: 1
Reel: 5,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V 1,975In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 470V 1,762In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,279In Stock
Min.: 1
Mult.: 1

Littelfuse Surface Mount Fuses 260C .200A SMF NANO CLIP VFA 17,837In Stock
Min.: 1
Mult.: 1
Reel: 1,500

Littelfuse Industrial & Electrical Fuses 3A 600VAC 300VDC Slo-Blo 761In Stock
Min.: 1
Mult.: 1

Littelfuse Fuse Holder CLASS J FUSE BLOCK 600V 60A 3 POLE 397In Stock
Min.: 1
Mult.: 1

Analog Devices Board Mount Surge Protectors Surge Stopper w/ Ideal Diode 19,332In Stock
19,960On Order
Min.: 1
Mult.: 1
Reel: 2,500

Analog Devices Board Mount Surge Protectors Overvoltage, Undervoltage & Reverse S Pr 14,398In Stock
Min.: 1
Mult.: 1
Reel: 500

Analog Devices Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir 8,762In Stock
Min.: 1
Mult.: 1

EPCOS / TDK PTC (Positive Temperature Coefficient) Thermistors 1210 230Vdc 40mA PTC Overcurrent 48,100In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 4.7Kohms 1% 4,673In Stock
Min.: 1
Mult.: 1

Analog Devices / Maxim Integrated Board Mount Surge Protectors 4.5 to 60V, 250mA Current Limiter with N 1,279In Stock
Min.: 1
Mult.: 1

EPCOS / TDK NTC (Negative Temperature Coefficient) Thermistors ICL S364/20 M 21mm 2,269In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 922In Stock
Min.: 1
Mult.: 1
Reel: 500

Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 922In Stock
Min.: 1
Mult.: 1
Reel: 500

Littelfuse Industrial & Electrical Fuses 4A 600VAC 600VDC Midget 1,481In Stock
Min.: 1
Mult.: 1