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: 361,667
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 33V 1KW 5% BiDirectional 10,524In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V MS 1,225In Stock
Min.: 1
Mult.: 1
: 500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2500V 3kA 8/20us UL 1449 1,935In Stock
2,000On Order
Min.: 1
Mult.: 1
: 1,000

Littelfuse SCRs 1000V 25A 967In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 600V 10A 50-50-50mA 2,927In Stock
Min.: 1
Mult.: 1

Littelfuse SCRs Sen SCR600V 8A 200UA 1,730In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS 500W 7V DO-214AA TR13 22,206In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse SCRs 1000V 25A 4,979In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 11V 5kW UNI-DIR TP5KP AEC-Q101 1,387In Stock
Min.: 1
Mult.: 1
: 800

KYOCERA AVX Varistors 6.4VAC 9VDC 0.05J 17 5pF 12.7 V 22V 16,396In Stock
Min.: 1
Mult.: 1
: 10,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 122Kohms 1% 4,005In Stock
Min.: 1
Mult.: 1
: 4,000

Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 100Kohms 1% 11,428In Stock
Min.: 1
Mult.: 1
: 4,000

Texas Instruments ESD Protection Diodes / TVS Diodes 22-V bidirectional f lat-clamp surge pro 7,119In Stock
Min.: 1
Mult.: 1
: 3,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 1800W 28V Single Uni-Directional 5,299In Stock
Min.: 1
Mult.: 1
: 5,000

Diodes Incorporated ESD Protection Diodes / TVS Diodes 600W 9.0V 28,570In Stock
Min.: 1
Mult.: 1
: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V2POLE SMT GDT 3,661In Stock
Min.: 1
Mult.: 1

Littelfuse Resettable Fuses - PPTC SMDC030F-2 6,145In Stock
Min.: 1
Mult.: 1
: 4,000

Phoenix Contact Industrial Surge Protectors CT 10-18FS+F/PE-24 3In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 230VOLT 2,997In Stock
1,000On Order
Min.: 1
Mult.: 1
: 1,000

Bourns Resettable Fuses - PPTC 0603 High Temp SMD Polymer PTC 0.16A/12V 22,488In Stock
Min.: 1
Mult.: 1
: 5,000

Bourns Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/6V 8,841In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.75A 60V RADIAL LEADED 11,983In Stock
Min.: 1
Mult.: 1
: 4,000

Bourns Resettable Fuses - PPTC 60V .145A-HD 3A MAX 5,782In Stock
Min.: 1
Mult.: 1
: 6,000

Bourns Resettable Fuses - PPTC PTC RESETTABLE 0.5A 72V RADIAL LEADED 9,388In Stock
Min.: 1
Mult.: 1
: 4,000

Bourns Surface Mount Fuses .5A 32V FAST ACTING 19,774In Stock
Min.: 1
Mult.: 1
: 10,000