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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0-ME PolyPhaser 1: Rp2.021.179 30In Stock New Product	Mfr. Part No. IS-50NX-C0-ME Mouser Part No 44-IS-50NX-C0-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	30In Stock	Rp2.021.179 Rp1.916.974	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount IS-B50HU-C0 PolyPhaser 1: Rp2.558.166 14In Stock New Product	Mfr. Part No. IS-B50HU-C0 Mouser Part No 44-IS-B50HU-C0 New Product	PolyPhaser	Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	14In Stock	Rp2.558.166 Rp2.426.442	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount VHF50HN-MA PolyPhaser 1: Rp3.031.860 31In Stock New Product	Mfr. Part No. VHF50HN-MA Mouser Part No 44-VHF50HN-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	31In Stock	Rp3.031.860 Rp2.875.736	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair T1/E1, RS-232/422/485, UL 497B IX-5L PolyPhaser 1: Rp1.079.479 128In Stock 1On Order New Product	Mfr. Part No. IX-5L Mouser Part No 44-IX-5L New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair T1/E1, RS-232/422/485, UL 497B	Datasheet	128In Stock 1On Order	Rp1.079.479 Rp1.022.056	Min.: 1 Mult.: 1
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 GTH-NFM-AL PolyPhaser 1: Rp1.515.747 23In Stock 72On Order New Product	Mfr. Part No. GTH-NFM-AL Mouser Part No 44-GTH-NFM-AL New Product	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 Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	23In Stock 72On Order On Order Ship Dates Mfr. No: GTH-NFM-AL Stock: 23 Can Dispatch Immediately On Order: 2 Pending 27 Expected 06/11/2026 43 Expected 10/12/2026 Factory Lead Time: 13 Weeks	Rp1.515.747 Rp1.437.593	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount 109-0501W-D PolyPhaser 1: Rp3.158.264 6In Stock New Product	Mfr. Part No. 109-0501W-D Mouser Part No 44-109-0501W-D New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount	Datasheet	6In Stock	Rp3.158.264 Rp2.995.535	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter AL-LSXM-MA PolyPhaser 1: Rp1.341.276 9In Stock 12On Order New Product	Mfr. Part No. AL-LSXM-MA Mouser Part No 44-AL-LSXM-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 2GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 2ghz 6ghz surge protectors	Datasheet	9In Stock 12On Order On Order Ship Dates Mfr. No: AL-LSXM-MA Stock: 9 Can Dispatch Immediately On Order: 5 Expected 01/10/2026 4 Expected 09/10/2026 3 Expected 14/10/2026 Factory Lead Time: 9 Weeks	Rp1.341.276 Rp1.269.910	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ-60NFNF-A PolyPhaser 1: Rp3.588.294 7In Stock 4Expected 14/10/2026 New Product	Mfr. Part No. DGXZ-60NFNF-A Mouser Part No 44-DGXZ-60NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	7In Stock 4Expected 14/10/2026	Rp3.588.294 Rp3.436.573	Min.: 1 Mult.: 1
Connectorised Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL GT-NFF-AL25 PolyPhaser 1: Rp16.214.378 1In Stock 3Expected 22/10/2026 New Product	Mfr. Part No. GT-NFF-AL25 Mouser Part No 44-GT-NFF-AL25 New Product	PolyPhaser	Connectorised Surge Protectors Coaxial RF Surge Protector Kit, 25x GT-NFF-AL	Datasheet	1In Stock 3Expected 22/10/2026	Rp16.214.378	Min.: 1 Mult.: 1
Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM HT-RO-TSX-DCDFM PolyPhaser 1: Rp4.717.124 5In Stock New Product	Mfr. Part No. HT-RO-TSX-DCDFM Mouser Part No 44-HT-RO-TSX-DCDFM New Product	PolyPhaser	Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM Learn More about PolyPhaser tsx ht hemp tested rf surge protectors	Datasheet	5In Stock	Rp4.717.124 Rp4.517.519	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-B50LU-C0-MA PolyPhaser 1: Rp2.558.166 3In Stock New Product	Mfr. Part No. IS-B50LU-C0-MA Mouser Part No 44-IS-B50LU-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	3In Stock	Rp2.558.166 Rp2.426.259	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B IX-5T PolyPhaser 1: Rp4.688.137 3In Stock New Product	Mfr. Part No. IX-5T Mouser Part No 44-IX-5T New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 5 Pair POTS, xDSL, UL 497B	Datasheet	3In Stock	Rp4.688.137 Rp4.489.817	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 10219128-03 TE Connectivity 1: Rp12.151.840 2In Stock New Product	Mfr. Part No. 10219128-03 Mouser Part No 571-10219128-03 New Product	TE Connectivity	NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL Learn More about TE Connectivity te surface mount temperature sensors	Datasheet	2In Stock	Rp12.151.840 Rp9.266.014 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS 4SMF20CA-M3/I Vishay Semiconductors 1: Rp8.990 6.915In Stock New Product	Mfr. Part No. 4SMF20CA-M3/I Mouser Part No 78-4SMF20CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,20V5%,SMFBIDIRTVS	Datasheet	6.915In Stock	Cut Tape Rp8.990 Rp6.201 Rp3.045 Rp2.532 Reel Rp1.156 View Rp1.761 Rp1.541 Rp1.394 Rp1.064	Min.: 1 Mult.: 1 : 10.000
Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit 108-1019A PolyPhaser 1: Rp3.530.504 4In Stock New Product	Mfr. Part No. 108-1019A Mouser Part No 44-108-1019A New Product	PolyPhaser	Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit	Datasheet	4In Stock	Rp3.530.504 Rp3.381.168	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXZ+15NMNF-A PolyPhaser 1: Rp3.298.978 5In Stock 11On Order New Product	Mfr. Part No. CGXZ+15NMNF-A Mouser Part No 44-CGXZ+15NMNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	5In Stock 11On Order On Order Ship Dates Mfr. No: CGXZ+15NMNF-A Stock: 5 Can Dispatch Immediately On Order: 7 Expected 14/10/2026 4 Expected 21/10/2026 Factory Lead Time: 5 Weeks	Rp3.298.978 Rp3.159.365	Min.: 1 Mult.: 1
Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors GSA-KIT-D PolyPhaser 1: Rp1.484.191 5In Stock New Product	Mfr. Part No. GSA-KIT-D Mouser Part No 44-GSA-KIT-D New Product	PolyPhaser	Surge Protection Accessories Ground Strap Adapter Kit for SX Series DIN Connectors Learn More about PolyPhaser surge protector accessories	Datasheet	5In Stock	Rp1.484.191 Rp1.407.689	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C2-ME PolyPhaser 1: Rp1.563.079 10In Stock New Product	Mfr. Part No. IS-50NX-C2-ME Mouser Part No 44-IS-50NX-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M 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	10In Stock	Rp1.563.079 Rp1.482.540	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50UX-C1-ME PolyPhaser 1: Rp2.052.734 4In Stock New Product	Mfr. Part No. IS-50UX-C1-ME Mouser Part No 44-IS-50UX-C1-ME New Product	PolyPhaser	Connectorised Surge Protectors UHF F/M Coaxial RF Surge Protector, 50MHz - 700MHz, DC Block, 375W, 600uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount	Datasheet	4In Stock	Rp2.052.734 Rp1.947.061	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C2-ME PolyPhaser 1: Rp1.673.706 7In Stock New Product	Mfr. Part No. IS-B50LN-C2-ME Mouser Part No 44-IS-B50LN-C2-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	7In Stock	Rp1.673.706 Rp1.587.479	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount IS-NEMP-C2 PolyPhaser 1: Rp3.442.627 5In Stock New Product	Mfr. Part No. IS-NEMP-C2 Mouser Part No 44-IS-NEMP-C2 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 200W, 250uJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 125mhz 1ghz type n surge protectors	Datasheet	5In Stock	Rp3.442.627 Rp3.265.221	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B IX-2M PolyPhaser 1: Rp2.905.639 3In Stock New Product	Mfr. Part No. IX-2M Mouser Part No 44-IX-2M New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair RS-232, UL 497B Learn More about PolyPhaser ix 2m lightning surge protectors	Datasheet	3In Stock	Rp2.905.639 Rp2.755.936	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter LSXL PolyPhaser 1: Rp2.494.873 7In Stock New Product	Mfr. Part No. LSXL Mouser Part No 44-LSXL New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	7In Stock	Rp2.494.873 Rp2.366.451	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube RGT PolyPhaser 1: Rp2.400.207 10In Stock New Product	Mfr. Part No. RGT Mouser Part No 44-RGT New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 2.4GHz, 50W, IP67, 60 V Max., 3mJ, 18kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	10In Stock	Rp2.400.207 Rp2.276.555	Min.: 1 Mult.: 1
Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA RRF-160-NFF PolyPhaser 1: Rp6.829.665 1In Stock New Product	Mfr. Part No. RRF-160-NFF Mouser Part No 44-RRF-160-NFF New Product	PolyPhaser	Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 160 MHz to 163 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA	Datasheet	1In Stock	Rp6.829.665 Rp6.540.899	Min.: 1 Mult.: 1

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