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: 359,647
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 Surface Mount Fuses 20A 250V FAST ACTING 9,951In Stock
Min.: 1
Mult.: 1
: 2,500

Bourns ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir 33,746In Stock
Min.: 1
Mult.: 1
: 3,000

Semtech ESD Protection Diodes / TVS Diodes TVS, 5V, BI, SOD-323, 3K T&R 339,877In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 0603 LoRho SL 1.75A 16,259In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Automotive Fuses 200A 32VDC Limiter Fuse 916In Stock
Min.: 1
Mult.: 1

Littelfuse Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A 45,560In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE 468In Stock
Min.: 1
Mult.: 1

Littelfuse Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS 5,927In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes SMA6J - CA 33V 187,520In Stock
Min.: 1
Mult.: 1
: 5,000
Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL 402,938In Stock
Min.: 1
Mult.: 1
: 3,000



TE Connectivity / P&B Circuit Breakers 7A PUSH TO RESET 8,629In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, NTC 4.7K OHM, 5%, 0805 4,298In Stock
Min.: 1
Mult.: 1
: 2,000

Torex Semiconductor ESD Protection Diodes / TVS Diodes TVS Diode 169,866In Stock
Min.: 1
Mult.: 1
: 5,000


Semtech ESD Protection Diodes / TVS Diodes TVS 300W 15V 7"RL SOT23 3L 97,005In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton Electrical PDG6X4AC
Eaton Electrical Circuit Breaker Accessories PDG6 AUXILIARY SWITCHES, 4 FORM C 1In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 27V 5A 250W 15pF 30kV SC70-3 TVS Array 11,028In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 5,313In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 1.5KW 300V Uni DO-214AB TR13 RoHS 5,973In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns NTC (Negative Temperature Coefficient) Thermistors 20 dia Power NTC 20ohm Y kink bulk 6,193In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes MSMP - A 7.5V 45,064In Stock
Min.: 1
Mult.: 1
: 4,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 30V 37,285In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 33V 38,540In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes Ultra Small PowerClamp 1-Line ESD & Surge Protection 6,043In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes uClamp, 1-Line 7.9V TVS 9,235In Stock
Min.: 1
Mult.: 1
: 15,000

Bourns Thermal Cut-offs TCO, High Current, Axial Lead, 55C, Self Hold AEC-Q200 2,467In Stock
Min.: 1
Mult.: 1