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 (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TDK Varistors 26 VDC .7J 54V-CL 200A PK 10,192In Stock
Min.: 1
Mult.: 1
: 3,000
TDK Varistors 0402 14V RMS 20A 67,020In Stock
Min.: 1
Mult.: 1
: 10,000

TDK Varistors 35VAC 10% 3225mm 4,331In Stock
Min.: 1
Mult.: 1
: 2,000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors EC230XG 2,681In Stock
Min.: 1
Mult.: 1
: 500

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H25X 5,554In Stock
Min.: 1
Mult.: 1
: 200

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 4.5kV 20% 3kA EHV63-H45B2 1,101In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T83-A500XF4 1,079In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers CIRCUIT BREAKER 13In Stock
Min.: 1
Mult.: 1

Semtech Board Mount Surge Protectors SurgeSwitch, 1-line 22V EOS Protection 2,915In Stock
Min.: 1
Mult.: 1
: 3,000

Eaton Electrical GBKP1020
Eaton Electrical Circuit Breaker Accessories 10 TERM GROUND BAR+2/0 LUG-CH/BR PON 5In Stock
Min.: 1
Mult.: 1
Littelfuse Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO220 Iso 935In Stock
Min.: 1
Mult.: 1

Littelfuse Triacs 12 Amp High Temperature High dvdt TRIAC-TO220 Ins 995In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GAS DISCHARGE TUBE 2POLE 90VOLT 974In Stock
Min.: 1
Mult.: 1

Bourns Circuit Protection Kits Design Kit Next-Generation GDT25 66In Stock
Min.: 1
Mult.: 1

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 3300 V 1,337In Stock
Min.: 1
Mult.: 1
: 1,000

TDK ESD Protection Diodes / TVS Diodes 5.5VDC 15kV 7Aa.8/20us 0.45pF 1nAa.5.5V 19,970In Stock
Min.: 1
Mult.: 1
: 20,000



E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 348In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 166In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 345In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC Thermistors Glass Encapsulated 100K Ohm +/- 5% 25C 2,080In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC Thermistors Chip with solder-coated wires, 2KOhm +/-2% @ 25 C 13,154In Stock
Min.: 1
Mult.: 1
Bel Fuse Surface Mount Fuses 3924 Surface Mt Fuse 8A 5,091In Stock
Min.: 1
Mult.: 1
: 2,000

Bel Fuse Surface Mount Fuses 10A 250VAC 72 VCD 7,100In Stock
Min.: 1
Mult.: 1
: 2,000

Bel Fuse Surface Mount Fuses 630mA 350 VAC 72 VCD 12,003In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 4818 Fuse Square Ceramic Surface Mount Slow Blow 6.3A 1,376In Stock
Min.: 1
Mult.: 1
: 1,500