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: 359.338
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK NTC (Negative Temperature Coefficient) Thermistors 2.2k 3900 1% 1.772In Stock
Min.: 1
Mult.: 1


TDK Varistors 25VAC 10% 7mm StandarD 21.971In Stock
Min.: 1
Mult.: 1
: 7.500

TDK Varistors 30VAC 10% 7mm StandarD 37.714In Stock
Min.: 1
Mult.: 1

TDK Varistors 11VAC 10% 10mm StandarD 13.339In Stock
Min.: 1
Mult.: 1

TDK Varistors 550VAC 10% 14mm MP AdvanceD 3.196In Stock
Min.: 1
Mult.: 1


TDK Varistors 350VAC 10% 14mm StandarD 8.681In Stock
Min.: 1
Mult.: 1

TDK Varistors 230VAC 10% 14mm StandarD 9.584In Stock
Min.: 1
Mult.: 1


TDK Varistors 20VAC 10% 20mm StandarD 4.078In Stock
Min.: 1
Mult.: 1
: 1.500

TDK Varistors 26 VDC .7J 54V-CL 200A PK 10.192In Stock
Min.: 1
Mult.: 1
: 3.000
TDK Varistors 0402 14V RMS 20A 67.020In Stock
Min.: 1
Mult.: 1
: 10.000

TDK Varistors 35VAC 10% 3225mm 4.331In Stock
Min.: 1
Mult.: 1
: 2.000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors EC230XG 2.681In Stock
Min.: 1
Mult.: 1
: 500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H25X 5.244In Stock
Min.: 1
Mult.: 1
: 200

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 4.5kV 20% 3kA EHV63-H45B2 1.101In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T83-A500XF4 1.079In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers CIRCUIT BREAKER 13In Stock
Min.: 1
Mult.: 1

Semtech Board Mount Surge Protectors SurgeSwitch, 1-line 22V EOS Protection 2.915In Stock
Min.: 1
Mult.: 1
: 3.000

Siemens Circuit Breakers MCB 5SJ4 2P 480/277 6A 10K D-TRIP 13In 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

E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 190In 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 176In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 1.5A 350 VAC 72 VCD 13.610In Stock
Min.: 1
Mult.: 1
: 5.000