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: 359.447
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS 3.886In Stock
Min.: 1
Mult.: 1
: 3.200

Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9.495In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9.990In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9.520In Stock
Min.: 1
Mult.: 1


Weidmuller Circuit Breakers CB4201-10, 2.5A/TS35 14In Stock
Min.: 1
Mult.: 1
Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 1.100In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 1-Line 200V 1.9A TVS DO-214AA(SMB) 2.978In Stock
Min.: 1
Mult.: 1
: 3.000

Transtector Connectorised Surge Protectors Data Surge Protector SPD CPX Indoor CPX Rack Mount 14In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology, NEMP tested 29In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 10In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 69In Stock
Min.: 1
Mult.: 1

Citel Industrial Surge Protectors Din Rail AC Power Surge Suppressor, 70kA max, 230V Single Phase, 2P 16In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors SCR Modules 1200 Volt 60 Amp 890 Amp IFSM 71In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A91H75XSE 948In Stock
1.800Expected 19/11/2026
Min.: 1
Mult.: 1

ABB Industrial Surge Protectors OVR SPD 3P+N 15KA 175V P 9In Stock
1Expected 10/09/2026
Min.: 1
Mult.: 1
ABB Circuit Breakers XT4H 250 TMF 250-2500 3P F F UL/CSA 2In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breaker Accessories BREAKER MC FLANGE MAX-FLEX HDL 2In Stock
Min.: 1
Mult.: 1
Transtector Industrial Surge Protectors AC Surge Protector SPD MCP Panel 120/240 Vac Split-Phase SASD, MOV 130 kA 1In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz 7In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Fine protectors hybrid technology, box design, bypass voltage 15 V, DC current 3 A 17In 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 511In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A 40In Stock
90Expected 25/09/2026
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB S800S 2P C 20A 3In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA51 3P 40A 25KA FTFM 5In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2 1In Stock
Min.: 1
Mult.: 1