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: 361,780
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 Surface Mount Fuses 350VAC 1A .078ohms 885 NANO2 6,966In Stock
6,000On Order
Min.: 1
Mult.: 1
: 1,500

Littelfuse ESD Protection Diodes / TVS Diodes 1500W 495V Bi-Directional 64,058In Stock
Min.: 1
Mult.: 1
: 1,200

Littelfuse Varistors 275V 250A 50pF 13 Inch Reel 34,781In Stock
40,000On Order
Min.: 1
Mult.: 1
: 4,000

Analog Devices Board Mount Surge Protectors Hi V Surge Stopper w/ C Lim 23,155In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3V3V 1000W UniDir TransZorb 5% Tol 110,330In Stock
Min.: 1
Mult.: 1
: 3,200


NXP Semiconductors Board Mount Surge Protectors USB Type-C CC and SBU Protection IC 29,509In Stock
Min.: 1
Mult.: 1
: 15,000

Vishay Semiconductors SCRs 35A If; 1200V Vr TO-247AD 3L; Std Igt 11,110In Stock
Min.: 1
Mult.: 1

Measurement Specialties PTC (Positive Temperature Coefficient) Thermistors PTFC102B1G0 PT1000,2.0X2.3,B 17,850In Stock
Min.: 1
Mult.: 1

Semtech ESD Protection Diodes / TVS Diodes 4-LINE 5V TVS, ESD and EOS Protection 52,411In Stock
Min.: 1
Mult.: 1
: 3,000

Semtech ESD Protection Diodes / TVS Diodes 8-Line 3.3V 0.65pF 0.35R ESD SGP3810N9 52,192In Stock
Min.: 1
Mult.: 1
: 5,000

Semtech ESD Protection Diodes / TVS Diodes 1 LINE ESD PROTECTION 120,370In Stock
Min.: 1
Mult.: 1
: 3,000

SanRex Triacs Triacs 40 Amp 600 Volt 7,935In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500V 50A Thru-Hole RoHS 992In Stock
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses BF1 30A 58V 10,521In Stock
Min.: 1
Mult.: 1


Littelfuse Automotive Fuses STRIP 30 80A W/O HOUSING 29,724In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 30V 19,297In Stock
Min.: 1
Mult.: 1
: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 20V 2.2A 4 CHANNEL 130,945In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Varistors 910V 70kA 4500pF 150In Stock
94On Order
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Complete USB Port Pr ot Device 29,180In Stock
Min.: 1
Mult.: 1
: 3,000

Phoenix Contact Circuit Breakers CB TM1 2A SFB P 391In Stock
Min.: 1
Mult.: 1



Vishay Semiconductors SCRs 20A If; 1200V Vr TO-247AD 3L 6,656In Stock
Min.: 1
Mult.: 1

onsemi Resettable Fuses - PPTC +12 VOLT ELECTRONIC FUSE 30,126In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 33V 200W UNI-DIR SZSMF AEC-Q101 180,465In Stock
Min.: 1
Mult.: 1
: 3,000

Semtech ESD Protection Diodes / TVS Diodes 8-Line TVS Array Low Capacitance 38,816In Stock
Min.: 1
Mult.: 1
: 500

Bourns Industrial & Electrical Fuses POWrFuse BD 800Vac 800Vdc 50A 84In Stock
Min.: 1
Mult.: 1