Circuit Protection

Circuit Protection
Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Please view our selection of circuit protection devices below.
Results: 360,063
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
YAGEO Resettable Fuses - PPTC 0805 16V 0.05A 0.6W SMD AEC-Q200 High Temp 7,865In Stock
20,000Expected 26/01/2027
Min.: 1
Mult.: 1
: 4,000

TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC 499In Stock
1,000Expected 12/10/2026
Min.: 1
Mult.: 1

Nexperia ESD Protection Diodes / TVS Diodes PESD36VS1UL-Q/SOD882/DFN1006-2
9,946In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay ESD Protection Diodes / TVS Diodes 600W,24V 5%, SlimSMA BIDIR TVS 3,146In Stock
Min.: 1
Mult.: 1
: 3,500

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C 14,231In Stock
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p 166,028In Stock
Min.: 1
Mult.: 1
: 10,000

Semtech ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T 31,132In Stock
Min.: 1
Mult.: 1
: 10,000

Panjit ESD Protection Diodes / TVS Diodes Ultra Low Capacitance ESD Protection 5V 34,620In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,250V 5%,UNIDIR,SMC TVS 3,290In Stock
Min.: 1
Mult.: 1
: 850

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 250mA 450In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Triacs 16 Amp Standard High Temperature Alternistor TRIAC-TO263 693In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 2000 V 1,615In Stock
Min.: 1
Mult.: 1
: 1,000


Semtech ESD Protection Diodes / TVS Diodes UCLAMP, 1-LINE 3.6V TVS 15,313In Stock
Min.: 1
Mult.: 1
: 15,000

Panjit ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 60V, 5KW, SMC 3,100In Stock
Min.: 1
Mult.: 1
: 800

Bel Fuse Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 872In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 923In Stock
Min.: 1
Mult.: 1
: 500

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 150V 2,692In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Industrial & Electrical Fuses 4A 600VAC 600VDC Midget 1,187In Stock
Min.: 1
Mult.: 1

Texas Instruments ESD Protection Diodes / TVS Diodes Low-Cap 3Ch ESD Prot ection Array 82,279In Stock
Min.: 1
Mult.: 1
: 5,000

Phoenix Contact Circuit Breakers CBMC E4 24DC/1-4A NO
141In Stock
Min.: 1
Mult.: 1

Vishay / Dale PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear 31,767In Stock
Min.: 1
Mult.: 1
: 5,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 1,364In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 2,798In Stock
Min.: 1
Mult.: 1
: 800

Semtech ESD Protection Diodes / TVS Diodes 3.3V, High Surge TVS for VBus Protection 54,805In Stock
Min.: 1
Mult.: 1
: 15,000

E-T-A Circuit Breakers 1077, 1P, plug, 250VAC/72VDC, T, w/switch function, 1A 1,314In Stock
Min.: 1
Mult.: 1