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: 360.919
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 1In Stock
Rp17.453.651
Rp14.004.786
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes TVS 6KA RATED 700V BI AXIAL 4In Stock
56Expected 15/12/2026
Rp2.320.035
Rp2.118.046
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A 374In Stock
Rp56.689
Rp42.563
Rp37.976
Rp35.958
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS 6.969In Stock
Cut Tape
Rp8.806
Rp6.036
Rp3.412
Rp2.697
Reel
Rp1.651
Min.: 1
Mult.: 1
: 10.000


PolyPhaser Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit 7In Stock
Rp975.273
Rp915.832
Rp886.295
Min.: 1
Mult.: 1


PolyPhaser Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter 24In Stock
Rp725.584
Rp676.967
Rp648.715
Rp648.531
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 3In Stock
Rp3.505.737
Rp3.325.213
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 1In Stock
Rp4.745.927
Rp4.545.222
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc 5In Stock
Rp3.501.518
Rp3.353.465
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube 5In Stock
Rp1.800.110
Rp1.707.279
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 17In Stock
5Expected 22/10/2026
Rp1.563.079
Rp1.482.540
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B 1In Stock
Rp3.356.768
Rp3.214.770
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 4In Stock
Rp3.474.182
Rp3.295.125
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket 6In Stock
Rp3.588.294
Rp3.436.573
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM 4In Stock
Rp3.501.518
Rp3.353.465
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type 7/16 DIN F/M Coaxial RF Surge Protector, 80MHz - 200MHz, DC Block, 1000W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount 1In Stock
Rp5.874.756
Rp5.626.168
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter 8In Stock
4On Order
Rp1.324.948
Rp1.254.316
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp3.906.597
Rp3.741.483
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp2.684.387
Rp2.546.241
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp6.974.415
Rp6.679.412
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 9In Stock
Rp1.958.069
Rp1.857.166
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp3.253.113
Rp3.085.614
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp3.617.281
Rp3.464.275
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp4.630.347
Rp4.434.412
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
Rp3.588.294
Rp3.436.573
Min.: 1
Mult.: 1