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. 
More...

Please view our selection of circuit protection devices below.
Results: 369.812
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount
Datasheet
147In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount
Datasheet
24In Stock
5Expected 04/10/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount
Datasheet
38In Stock
24Expected 04/10/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube
Datasheet
32In Stock
13Expected 04/17/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube
Datasheet
36In Stock
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
Datasheet
15In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount
Datasheet
24In Stock
7Expected 04/28/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter
Datasheet
31In Stock
7Expected 04/07/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included
Datasheet
24In Stock
6Expected 04/28/2026
Min.: 1
Mult.: 1

Littelfuse Automotive Fuses FUSE - ZCASE MEGA 32V M10 250A 480 PC
Datasheet
294In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS
Datasheet
626In Stock
3.000Expected 06/29/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse Fuse Holder FUSE HOLDER, ATO Inline Red
Datasheet
747In Stock
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit
Datasheet
8In Stock
Min.: 1
Mult.: 1


PolyPhaser Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter
Datasheet
30In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
2In Stock
7On Order
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
Datasheet
1In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.7GHz, DC Block, 300W, IP67, .5uJ, 18kA, Filter
Datasheet
8In Stock
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
Datasheet
4In Stock
Min.: 1
Mult.: 1



PolyPhaser Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors
Datasheet
24In Stock
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
Datasheet
4In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube
Datasheet
8In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube
Datasheet
22In Stock
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
Datasheet
7In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube
Datasheet
8In Stock
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
Datasheet
3In Stock
Min.: 1
Mult.: 1