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. 
More...

Please view our selection of circuit protection devices below.
Results: 366,152
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS


Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor 5,557In Stock
2,000On Order
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes TA6L - A 22V 13,545In Stock
Min.: 1
Mult.: 1
: 14,000
TDK NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1206 10K J62 B-35300 10,315In Stock
8,000On Order
Min.: 1
Mult.: 1
: 4,000

ABB Circuit Breakers TEYX CIRCUIT BREAKER 2P 30A 1In 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 prot 8In Stock
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohms 3% 3984K/0.5% 40mm 324In Stock
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 1206 Resettable SMD PPTC 1.5A/6V 5,735In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V 5%,BIDIR,SMA TVS 6,880In Stock
7,000On Order
Min.: 1
Mult.: 1
: 7,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS 2,634In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,110V 5%,BIDIR,SMB TVS 5,907In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,60V 5%,UNIDIR,SMB TVS 3,060In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,43V 5%,SMB PAR 3,920In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,47V 5%,SMB PAR 3,850In Stock
Min.: 1
Mult.: 1
: 750

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 54In 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 3,960In 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 986In 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