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: 365,610
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Varistors 420VAC 10% 25mm SuperioR 1,068In Stock
Min.: 1
Mult.: 1

TDK Varistors 20VAC 10% 3225mm 4,832In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90VDC 20% 2pF D08-A90SMD 2,153In Stock
Min.: 1
Mult.: 1
: 1,700

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T80-C600X 1,394In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 2In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1
Semtech ESD Protection Diodes / TVS Diodes RAILCLAMP 1LINE 8V AEC-Q100 12,536In Stock
Min.: 1
Mult.: 1
: 3,000

Semtech ESD Protection Diodes / TVS Diodes 1-Line 24V 0.45pF 0.16R Bi SLP0603P2X3F 10,596In Stock
Min.: 1
Mult.: 1
: 15,000

Semtech ESD Protection Diodes / TVS Diodes 1-Line 5V 13pF 7.5A(8/20us) SLP0603P2X3F 27,042In Stock
Min.: 1
Mult.: 1
: 15,000



Schneider Electric Circuit Breakers MAN-START 600VAC 50AMP IEC 8In Stock
Min.: 1
Mult.: 1

TDK Varistors 14mm, 275Vac, 10%, AdvanceD Compact Series 4,854In Stock
Min.: 1
Mult.: 1

Bulgin Fuse Holder DRAWER FUSEHOLDER 506In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 320In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole thermal circuit breaker with press-to-reset, tease-free, trip-free, snap action mechanism. Type 2-5700 can be supplied as a push-push switch/circuit breaker (R-type TO CBE to EN 60934 in press-to-reset configuration; S-typ 53In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload protection of motors 419In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses Surface mount "Chip fuse" Silver Plated 0402 case size Fast Blow 3A Tape and Reel (10000 pcs.) 7,113In Stock
Min.: 1
Mult.: 1
: 10,000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 2.5A 3,957In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses SMD fuse 500VDC 350VAC 3.15A 1,315In Stock
Min.: 1
Mult.: 1
: 1,000

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 2.5A, 1000VAC/VDC 991In Stock
1,000On Order
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 25A, 500VAC/VDC 983In Stock
999On Order
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 1/4 x 1-1/4 Inch Ceramic Tube Fuse High I (2nd degree) t 20A 980In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 10A, 600VAC/500VDC 3,194In Stock
3,000On Order
Min.: 1
Mult.: 1

Bel Fuse Resettable Fuses - PPTC Radial PPTC 3 Ih 16V 9,529In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 4,131In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 1206 SMT Fuse Fast Acting, HC, 25A 20,161In Stock
10,510On Order
Min.: 1
Mult.: 1
: 5,000