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

Littelfuse ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL 114,950In Stock
Min.: 1
Mult.: 1
: 3,000

Analog Devices Board Mount Surge Protectors Overvoltage Prot Cntr 5,665In Stock
Min.: 1
Mult.: 1
: 2,500

Analog Devices Board Mount Surge Protectors 100V UV/OV & Reverse Prot Cntr w/ Bi-dir 10,209In Stock
Min.: 1
Mult.: 1
Max.: 1,000

Texas Instruments ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device 26,604In Stock
Min.: 1
Mult.: 1
: 3,000

TE Connectivity / P&B Circuit Breakers CIRCUIT BREAKER SWITCH 5A BLACK 121In Stock
Min.: 1
Mult.: 1

TE Connectivity / Measurement Specialties NTC (Negative Temperature Coefficient) Thermistors THERMISTOR 41In Stock
Min.: 1
Mult.: 1
Analog Devices / Maxim Integrated ESD Protection Diodes / TVS Diodes Dual, Quad, and Hex High-Speed Different 9,993In Stock
Min.: 1
Mult.: 1
: 2,500



Vishay Semiconductors SCRs 20A If; 1200V Vr TO-247AD 3L 6,642In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 178,751In Stock
Min.: 1
Mult.: 1
: 3,000
TDK PTC (Positive Temperature Coefficient) Thermistors T=7K 170deg C 4,076In Stock
Min.: 1
Mult.: 1
: 400


Semtech ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance 35,302In Stock
Min.: 1
Mult.: 1
: 500

Bourns NTC (Negative Temperature Coefficient) Thermistors 10 dia Power NTC 15ohm Y kink bulk 15,062In Stock
Min.: 1
Mult.: 1

Bourns Automotive Fuses POWrFuse BD 275Vac 500Vdc 15A 144In Stock
Min.: 1
Mult.: 1

Citel Connectorised Surge Protectors Combined Ethernet Surge Protective Device (SPD) and POE 48V injector/splitter 20In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,16V 5%, DFN3820A TVS 27,820In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,33V 5%, DFN3820A TVS 27,287In Stock
Min.: 1
Mult.: 1
: 14,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes MSMP - A 8V 44,805In Stock
Min.: 1
Mult.: 1
: 4,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 43V 35,928In Stock
Min.: 1
Mult.: 1
: 3,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 51V 35,790In Stock
Min.: 1
Mult.: 1
: 3,000


Semtech ESD Protection Diodes / TVS Diodes 4-Line 3.3V 0.3pF ESD SMF2510N10 Z-Ultra 11,419In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton Electrical PDG3XUV440ACV
Eaton Electrical Circuit Breaker Accessories PDG3 UVR, 380-440VAC, SCREW TERMINAL 1In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors SMA6F33CA-M3/H
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,33V 5%, SlimSMA BIDIR TVS 3,400In Stock
Min.: 1
Mult.: 1
: 3,500
Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 5,430In Stock
Min.: 1
Mult.: 1
: 3,000

Bourns NTC (Negative Temperature Coefficient) Thermistors 5 dia Power NTC 5ohm Y kink bulk 13,570In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,47V 5%, DFN3820A TVS 12,125In Stock
Min.: 1
Mult.: 1
: 14,000