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: 361,781
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Bourns Automotive Fuses POWrFuse BD 275Vac 500Vdc 50A 169In Stock
Min.: 1
Mult.: 1

Bourns Industrial & Electrical Fuses POWrFuse BD 240Vac 150Vdc 50A 100In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 12V 35,712In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 33V 34,964In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton PC2672-1R
Eaton Power Outlet Strips EATON REPO PDU, 3U, IEC 532P6W 1In Stock
Min.: 1
Mult.: 1
Microtherm Sentronic PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard 583In Stock
Min.: 1
Mult.: 1

STMicroelectronics ESD Protection Diodes / TVS Diodes 1500 W 10kW Transil 5.8V tp 70V BI 47,800In Stock
7On Order
Min.: 1
Mult.: 1
: 2,500

Littelfuse Surface Mount Fuses 250VAC 1.25A .122ohms 476 NANO2 19,260In Stock
11,000On Order
Min.: 1
Mult.: 1
: 1,000


Littelfuse Fuse Holder Blok 30A 600V 2 Pole Screw Connector 5,939In Stock
Min.: 1
Mult.: 1

Littelfuse Fuse Holder CLASS J FUSE BLOCK 600V 400A 3 POLE 19In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes PGB1010603NR 137,931In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse Varistors 33V 180A 500pF 53,422In Stock
Min.: 1
Mult.: 1
: 2,500

YAGEO Varistors 620V 40KA MOV Disc Square 34mm 9,833In Stock
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes P6SMB - A 160V 119,948In Stock
Min.: 1
Mult.: 1
: 3,000

Omron Automation and Safety Circuit Breakers DC-Circuit Protector, 8 output 31In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors SCRs New Input Thyristor - D2PAK-e3 8,487In Stock
Min.: 1
Mult.: 1
: 800

TDK PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor 97,746In Stock
Min.: 1
Mult.: 1
: 4,000


Semtech ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT 74,180In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton Electrical 69D2660G11
Eaton Electrical Circuit Breaker Accessories NQB L103 3In Stock
Min.: 1
Mult.: 1
STMicroelectronics SCRs 30 A 1200 V automotive grade SCR Thyristor 568In Stock
Min.: 1
Mult.: 1
: 600

Bourns Automotive Fuses POWrFuse TH 275Vac 500Vdc 50A 300In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 36V 35,990In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Cartridge Fuses 250V 4A Slo-Blo 13,689In Stock
14,000On Order
Min.: 1
Mult.: 1


Littelfuse Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A 4,298In Stock
Min.: 1
Mult.: 1


Littelfuse Automotive Fuses 100A 48V FUSE STRIP 3,749In Stock
Min.: 1
Mult.: 1