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: 362,183
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 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

Bel Fuse Surface Mount Fuses SMD Fuse. Fast Acting, 5A, 500Vdc 1,589In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 600W 58V UNI SOD-123FL TR13 4,000In Stock
Min.: 1
Mult.: 1
: 5,000

Toshiba ESD Protection Diodes / TVS Diodes SOD-962 VRMW 15V 1uA TVS Diodes 9,260In Stock
Min.: 1
Mult.: 1
: 10,000
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 300W,530V MIN,UNIDIR,SMA TVS 743In Stock
Min.: 1
Mult.: 1
: 1,800

Vishay Semiconductors ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23 13,990In Stock
30,000On Order
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOD323 8,598In Stock
Min.: 1
Mult.: 1
: 3,000

onsemi ESD Protection Diodes / TVS Diodes Transient Voltage Suppressor, Common Anode, SC-59 2,928In Stock
Min.: 1
Mult.: 1
Max.: 300
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,441In 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% 7,516In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses 4A 600VAC 600VDC Midget 1,235In Stock
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array 83,791In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, Bulk 3,224In Stock
Min.: 1
Mult.: 1

Bourns Varistors 20mm Radial Disc MOV - Kinked Leads, T&R 3,974In Stock
Min.: 1
Mult.: 1
: 250

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

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,367In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 2,823In Stock
Min.: 1
Mult.: 1
: 800



Phoenix Contact Circuit Breakers CAPAROC E2 12-24DC/2-10A 163In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection 62,089In Stock
Min.: 1
Mult.: 1
: 15,000