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: 362,143
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 CBM E4 24DC/0.5-10A NO-R 135In Stock
Min.: 1
Mult.: 1

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

HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 92In Stock
Min.: 1
Mult.: 1


Citel Industrial Surge Protectors DD15-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 9 wire+G 47In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,14V 5%,UNIDIR,SMB TVS 9,578In Stock
Min.: 1
Mult.: 1
: 3,200

YAGEO ESD Protection Diodes / TVS Diodes BID Wkg5V 1CH SMD SOD323 Bkdn6V 4,046In Stock
15,000Expected 9/2/2027
Min.: 1
Mult.: 1
: 3,000

Vishay ESD Protection Diodes / TVS Diodes 600W,30V 5%, SlimSMA BIDIR TVS 2,310In Stock
Min.: 1
Mult.: 1
: 3,500

Vishay ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT23 7,873In Stock
40,000On Order
Min.: 1
Mult.: 1
: 10,000



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

Littelfuse ESD Protection Diodes / TVS Diodes 5.0SMDJ - A 400V 1,865In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes Zen TVS 5000W 33V Bi DO-214AB TR13 3,560In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse Varistors 35VAC 45VDC 1800pF AEC-Q200 1,404In 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 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 83,820In Stock
Min.: 1
Mult.: 1
: 5,000

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 8,798In 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 1,367In Stock
Min.: 1
Mult.: 1
: 800