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: 359 631
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Inrush Current Limiters S 236/80 M51 2 968In Stock
Min.: 1
Mult.: 1
: 3 000

TDK Inrush Current Limiters S 238/10 M51 2 187In Stock
Min.: 1
Mult.: 1
: 1 000

TDK NTC Thermistors NTC THERMISTOR 0805 10K J62 B-3650 27 724In Stock
21 000Expected 2/15/2027
Min.: 1
Mult.: 1
: 3 000

TDK NTC Thermistors 1307ohm 4036 2% 50mW Probe K524/100k/A005 340In Stock
Min.: 1
Mult.: 1

TDK Varistors 140VAC 10% 10mm AdvanceD 9 668In Stock
Min.: 1
Mult.: 1


TDK Varistors 300VAC 10% 14mm StandarD 9 470In Stock
Min.: 1
Mult.: 1
: 4 800

TDK Varistors 420VAC 10% 20mm SuperioR MP 15 549In Stock
Min.: 1
Mult.: 1

TDK Varistors 680VAC 10% 20mm SuperioR MP 8 000In Stock
Min.: 1
Mult.: 1

TDK Varistors 130VAC 10% 20mm StandarD 6 865In Stock
Min.: 1
Mult.: 1

TDK Varistors 320VAC 10% 20mm StandarD 45 196In Stock
Min.: 1
Mult.: 1

TDK Varistors 1206 14Vrms 1.0A 6 242In Stock
Min.: 1
Mult.: 1
: 3 000

TDK Varistors 1210 14V 400A 2000pF 45 718In Stock
Min.: 1
Mult.: 1
: 3 000

TDK Varistors 1210 36VDC 5000pF 1500A 21 077In Stock
Min.: 1
Mult.: 1
: 1 500

TDK Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V 17 178In Stock
Min.: 1
Mult.: 1
: 3 000
TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T90-A230X 2 386In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 12In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 14In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 300W TVS 12V 7"RL 5 099In Stock
Min.: 1
Mult.: 1
: 3 000



E-T-A Circuit Breakers Miniaturised single pole thermal circuit breaker with push-to-reset tease free, trip-free, snap action mechanism (R-type TO CBE to EN 60934) integral type. Approved to CBE standard EN 60934 (IEC 60934). For higher current ratings see 297In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-8A 92 10In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Single hole threadneck mounting. Type 1410-G1 features changeover contacts suitable for providing statu 217In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole press-to-reset thermal circuit breaker with extremely fast overload switching performance (R-type TO CBE to EN 60934). Miniaturised construction minimises PCB real estate required. Largely temperature-insensitive.x -E. Ret 162In 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 208In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC Thermistors Glass Encapsulated 30K Ohm +/- 5% 25C 2 060In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 4 A, 125 VAC / VDC 14 743In Stock
Min.: 1
Mult.: 1
: 5 000