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: 361,174
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TE Connectivity NTC Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 2In Stock
¥110,019.7
¥83,892.1
Min.: 1
Mult.: 1
Vishay / BC Components NTC Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A 422In Stock
¥320.6
¥240.8
¥192.7
¥181
Min.: 1
Mult.: 1
Vishay / BC Components NTC Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A 1,899In Stock
¥194.3
¥145.7
¥116.6
¥109.6
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 5In Stock
¥35,369.3
¥33,874.4
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode 3In Stock
¥24,303.8
¥23,053
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors HEMP Tested Type N F/F Bulkhead Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid 1In Stock
¥63,144.6
¥60,473.7
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 10In Stock
8On Order
¥17,727.9
¥16,814.3
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 25uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 5In Stock
¥29,452.9
¥27,936.4
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Gold-Plated Pins 1In Stock
¥32,749.9
¥31,364.7
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 4.3-10 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM 5In Stock
¥41,922
¥40,148
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM 5In Stock
¥32,487.5
¥31,113.9
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up 1In Stock
¥36,419.1
¥34,877.7
Min.: 1
Mult.: 1
PolyPhaser Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount 7In Stock
¥29,868.1
¥28,604.1
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, 4In Stock
¥17,643.1
¥14,733.1
¥13,691.6
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX 7In Stock
¥21,172.8
¥17,996.9
¥16,995.4
¥15,412.4
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX 4In Stock
¥17,244.5
¥14,374.3
¥13,384.3
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K 3In Stock
¥74,666.9
¥61,854
¥57,013.8
Min.: 1
Mult.: 1
Citel Connectorized Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit 14In Stock
¥17,239.5
¥14,854.3
¥13,598.6
¥10,690.2
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS 17,246In Stock
Cut Tape
¥132.9
¥82.6
¥54
¥40.7
Reel
¥27.9
Min.: 1
Mult.: 1
: 7,500
Littelfuse ESD Protection Diodes / TVS Diodes TVS SMTO HI-POWER 36A 5mA 2uA 1,155In Stock
Cut Tape
¥689.3
¥451.8
¥378.7
¥327.2
Reel
¥252.5
¥237.5
Min.: 1
Mult.: 1
: 500
Bourns Fuse Holder FB1 FUSE BLOCK 110A FUSE 117In Stock
¥12,592
¥10,444.4
¥9,633.8
¥7,972.8
¥7,617.3
Min.: 1
Mult.: 1
Sensata Technologies Thermal Cutoffs THERMAL PROTECTOR 358In Stock
¥5,793.6
Min.: 1
Mult.: 1
Vishay ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR 1,070In Stock
Cut Tape
¥910.2
¥599.6
¥490
¥413.6
Reel
¥353.8
Min.: 1
Mult.: 1
: 750
Vishay Semiconductors ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SMF DO219AB 30,000In Stock
30,000On Order
Cut Tape
¥112.9
¥70.9
¥45.3
¥33.9
Reel
¥23.4
Min.: 1
Mult.: 1
: 3,000
Vishay Semiconductors SCRs NEW INPUT THYRISTOR - SUPER-248 937In Stock
¥2,577.9
¥1,963.3
¥1,634.4
¥1,456.7
¥1,380.3
Min.: 1
Mult.: 1