.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 360.919

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm 20016752-01 TE Connectivity 1: 818,17 € 1In Stock New Product	Mfr. Part No. 20016752-01 Mouser Part No 571-20016752-01 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 1000mm Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	1In Stock	818,17 € 656,50 € View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 6KA RATED 700V BI AXIAL AK6-700C-FB Littelfuse 1: 108,76 € 4In Stock 56Expected 12/15/2026 New Product	Mfr. Part No. AK6-700C-FB Mouser Part No 576-AK6-700C-FB New Product	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 6KA RATED 700V BI AXIAL Learn More about Littelfuse ak6 fb tvs diodes	Datasheet	4In Stock 56Expected 12/15/2026	108,76 € 99,29 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A NTCALUG54A103F640A Vishay / BC Components 1: 2,66 € 374In Stock New Product	Mfr. Part No. NTCALUG54A103F640A Mouser Part No 594-NTCALUG54A103F6 New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC LUG M5 10k 1% G24 64mm A	Datasheet	374In Stock	2,66 € 2,00 € 1,78 € 1,69 € View 1,64 € 1,63 € 1,42 € 1,38 € 1,33 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS 4SMF58CAHM3/I Vishay Semiconductors 1: 0,413 € 6.969In Stock New Product	Mfr. Part No. 4SMF58CAHM3/I Mouser Part No 78-4SMF58CAHM3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 350W,58V5%,SMFBIDIRTVS	Datasheet	6.969In Stock	Cut Tape 0,413 € 0,283 € 0,16 € 0,126 € Reel 0,077 € View 0,107 € 0,09 € 0,086 € 0,07 €	Min.: 1 Mult.: 1 : 10.000
Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit BF4310 PolyPhaser 1: 45,72 € 7In Stock New Product	Mfr. Part No. BF4310 Mouser Part No 44-BF4310 New Product	PolyPhaser	Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit Learn More about PolyPhaser surge protector accessories	Datasheet	7In Stock	45,72 € 42,93 € 41,55 €	Min.: 1 Mult.: 1
Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter BFD PolyPhaser 1: 34,01 € 24In Stock New Product	Mfr. Part No. BFD Mouser Part No 44-BFD New Product	PolyPhaser	Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter Learn More about PolyPhaser surge protector accessories	Datasheet	24In Stock	34,01 € 31,73 € 30,41 € 30,40 € Quote Quote	Min.: 1 Mult.: 1
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 DGXJ+24NFNF-A PolyPhaser 1: 164,34 € 3In Stock New Product	Mfr. Part No. DGXJ+24NFNF-A Mouser Part No 44-DGXJ+24NFNF-A New Product	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 Learn More about PolyPhaser gx surge protectors	Datasheet	3In Stock	164,34 € 155,88 €	Min.: 1 Mult.: 1
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 DGXZ+15NFNM-A PolyPhaser 1: 222,47 € 1In Stock New Product	Mfr. Part No. DGXZ+15NFNM-A Mouser Part No 44-DGXZ+15NFNM-A New Product	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 Learn More about PolyPhaser gx surge protectors	Datasheet	1In Stock	222,47 € 213,07 €	Min.: 1 Mult.: 1
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 ESXDC-DFM PolyPhaser 1: 164,14 € 5In Stock New Product	Mfr. Part No. ESXDC-DFM Mouser Part No 44-ESXDC-DFM New Product	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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	5In Stock	164,14 € 157,20 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube GT-TFM-AL PolyPhaser 1: 84,38 € 5In Stock New Product	Mfr. Part No. GT-TFM-AL Mouser Part No 44-GT-TFM-AL New Product	PolyPhaser	Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	5In Stock	84,38 € 80,03 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2-MA PolyPhaser 1: 73,27 € 17In Stock 5Expected 10/22/2026 New Product	Mfr. Part No. IS-50NX-C2-MA Mouser Part No 44-IS-50NX-C2-MA New Product	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 Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	17In Stock 5Expected 10/22/2026	73,27 € 69,50 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B IX-2T PolyPhaser 1: 157,35 € 1In Stock New Product	Mfr. Part No. IX-2T Mouser Part No 44-IX-2T New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B	Datasheet	1In Stock	157,35 € 150,70 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-DFF PolyPhaser 1: 162,86 € 4In Stock New Product	Mfr. Part No. TSX-DFF Mouser Part No 44-TSX-DFF New Product	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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	4In Stock	162,86 € 154,46 €	Min.: 1 Mult.: 1
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 TSX-DFM-BF PolyPhaser 1: 168,21 € 6In Stock New Product	Mfr. Part No. TSX-DFM-BF Mouser Part No 44-TSX-DFM-BF New Product	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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	6In Stock	168,21 € 161,10 €	Min.: 1 Mult.: 1
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 TSXDC-4310FF PolyPhaser 1: 164,14 € 4In Stock New Product	Mfr. Part No. TSXDC-4310FF Mouser Part No 44-TSXDC-4310FF New Product	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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	4In Stock	164,14 € 157,20 €	Min.: 1 Mult.: 1
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 VUF50DHP-ME PolyPhaser 1: 275,39 € 1In Stock New Product	Mfr. Part No. VUF50DHP-ME Mouser Part No 44-VUF50DHP-ME New Product	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	Datasheet	1In Stock	275,39 € 263,74 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter AL-LSXM-ME PolyPhaser 1: 62,11 € 8In Stock 4On Order New Product	Mfr. Part No. AL-LSXM-ME Mouser Part No 44-AL-LSXM-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 2ghz 6ghz surge protectors	Datasheet	8In Stock 4On Order	62,11 € 58,80 €	Min.: 1 Mult.: 1
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 CGXJ+15NFNF-A PolyPhaser 1: 183,13 € 5In Stock New Product	Mfr. Part No. CGXJ+15NFNF-A Mouser Part No 44-CGXJ+15NFNF-A New Product	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 Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	5In Stock	183,13 € 175,39 €	Min.: 1 Mult.: 1
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 GPS+06NFSF PolyPhaser 1: 125,84 € 3In Stock New Product	Mfr. Part No. GPS+06NFSF Mouser Part No 44-GPS+06NFSF New Product	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 Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	3In Stock	125,84 € 119,36 €	Min.: 1 Mult.: 1
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 HT-RO-E3PM-DCP PolyPhaser 1: 326,94 € 1In Stock New Product	Mfr. Part No. HT-RO-E3PM-DCP Mouser Part No 44-HT-RO-E3PM-DCP New Product	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	Datasheet	1In Stock	326,94 € 313,11 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount IS-B50HN-C2-MA PolyPhaser 1: 91,79 € 9In Stock New Product	Mfr. Part No. IS-B50HN-C2-MA Mouser Part No 44-IS-B50HN-C2-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	9In Stock	91,79 € 87,06 €	Min.: 1 Mult.: 1
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 IS-NEMP-C0-MA PolyPhaser 1: 152,50 € 5In Stock New Product	Mfr. Part No. IS-NEMP-C0-MA Mouser Part No 44-IS-NEMP-C0-MA New Product	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 Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	5In Stock	152,50 € 144,64 €	Min.: 1 Mult.: 1
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 TSX-NFM-G PolyPhaser 1: 169,57 € 1In Stock New Product	Mfr. Part No. TSX-NFM-G Mouser Part No 44-TSX-NFM-G New Product	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	Datasheet	1In Stock	169,57 € 162,39 €	Min.: 1 Mult.: 1
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 TSXDC-4310FM PolyPhaser 1: 217,06 € 5In Stock New Product	Mfr. Part No. TSXDC-4310FM Mouser Part No 44-TSXDC-4310FM New Product	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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	5In Stock	217,06 € 207,87 €	Min.: 1 Mult.: 1
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 TUSX-DFM PolyPhaser 1: 168,21 € 5In Stock New Product	Mfr. Part No. TUSX-DFM Mouser Part No 44-TUSX-DFM New Product	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 Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	5In Stock	168,21 € 161,10 €	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support