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: 359’634
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 36V 35’001In Stock
Min.: 1
Mult.: 1
: 10’000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 47V 35’680In Stock
Min.: 1
Mult.: 1
: 3’000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes T4F - A 47V 39’398In Stock
Min.: 1
Mult.: 1
: 10’000

Semtech ESD Protection Diodes / TVS Diodes 1-Line 9V 39.0A TVS DO-214AA(SMB) 6’355In Stock
Min.: 1
Mult.: 1
: 3’000

Bourns Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200 3’194In Stock
Min.: 1
Mult.: 1
: 4’000

Transtector Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Panel 120/240 Vac Split-Phase MOV 160 kA, UL 1449 5th Ed. Type 2
2In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breaker Accessories 1’707In Stock
Min.: 1
Mult.: 1
Littelfuse Cartridge Fuses 250V 2.5A 3.6X10 FA PT PB-FREE 1’376In Stock
Min.: 1
Mult.: 1

Littelfuse Industrial & Electrical Fuses .1A 600VAC 500VDC Midget 108In Stock
Min.: 1
Mult.: 1

ABB Circuit Breakers F204 63A 30MA 110V PB TEST VOLTAGE 4In Stock
Min.: 1
Mult.: 1
Bourns Thermal Cut-offs TCO, High Current, SMD, 85C, Self Hold AEC-Q200 3’758In Stock
Min.: 1
Mult.: 1
: 4’000

Littelfuse Resettable Fuses - PPTC 6V .35A .1s 66’586In Stock
Min.: 1
Mult.: 1
: 4’000

Littelfuse Fuse Holder 5X2 OMM SMD FUSE BLOCK 16’156In Stock
Min.: 1
Mult.: 1


Littelfuse ESD Protection Diodes / TVS Diodes ESD 3.3V UNI 413’789In Stock
Min.: 1
Mult.: 1
: 10’000

Bourns ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes 10’191In Stock
Min.: 1
Mult.: 1
: 2’500

Bourns Surface Mount Fuses 10A 250V FAST ACTING 9’942In Stock
Min.: 1
Mult.: 1
: 2’500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 16V 5% SMB (DO-214AA) 382’231In Stock
Min.: 1
Mult.: 1
: 3’200
Vishay Semiconductors SCRs New Input Thyristor - TO-220-e3 7’126In Stock
Min.: 1
Mult.: 1

Littelfuse NTC (Negative Temperature Coefficient) Thermistors 10K OHM 1% PROBE ASSEMBLY 3’374In Stock
Min.: 1
Mult.: 1

TDK PTC (Positive Temperature Coefficient) Thermistors T=5K 100deg C 6’165In Stock
Min.: 1
Mult.: 1
: 400

TDK PTC (Positive Temperature Coefficient) Thermistors 850A 130A 70 10X2.5 PTC Thermistor 22’098In Stock
Min.: 1
Mult.: 1
: 1’300



Littelfuse Fuse Holder Accessories Junction Block 3/8" Pass Thru Stud Red 248In Stock
Min.: 1
Mult.: 1

Analog Devices Board Mount Surge Protectors L Q C Surge Stopper 11’749In Stock
Min.: 1
Mult.: 1
Max.: 11’749
: 2’500

Analog Devices Board Mount Surge Protectors Hi V Surge Stopper w/ C Lim 14’929In Stock
Min.: 1
Mult.: 1
: 2’500

Analog Devices Board Mount Surge Protectors Surge Stopper w/ Ideal Diode 2’650In Stock
Min.: 1
Mult.: 1
Max.: 2’650