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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount IS-B50LN-C0 PolyPhaser 1: $98.12 88In Stock 16Expected 16/12/2026 New Product	Mfr. Part No. IS-B50LN-C0 Mouser Part No 44-IS-B50LN-C0 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F 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	88In Stock 16Expected 16/12/2026	$98.12 $93.06	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B IX-2DC48 PolyPhaser 1: $182.48 10In Stock New Product	Mfr. Part No. IX-2DC48 Mouser Part No 44-IX-2DC48 New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B	Datasheet	10In Stock	$182.48 $173.08	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B IXG-05 PolyPhaser 1: $190.86 37In Stock 22Expected 16/11/2026 New Product	Mfr. Part No. IXG-05 Mouser Part No 44-IXG-05 New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B Learn More about PolyPhaser ixg 05 lightning surge protector	Datasheet	37In Stock 22Expected 16/11/2026	$190.86 $182.79	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM TSX-4310FF-P PolyPhaser 1: $197.17 14In Stock New Product	Mfr. Part No. TSX-4310FF-P Mouser Part No 44-TSX-4310FF-P New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 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	14In Stock	$197.17 $188.83	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount DGXZ+15TFTF-A PolyPhaser 1: $205.06 68In Stock 16On Order New Product	Mfr. Part No. DGXZ+15TFTF-A Mouser Part No 44-DGXZ+15TFTF-A New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F 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	68In Stock 16On Order On Order Ship Dates Mfr. No: DGXZ+15TFTF-A Stock: 68 Can Dispatch Immediately On Order: 4 Expected 06/11/2026 12 Expected 12/11/2026 Factory Lead Time: 4 Weeks	$205.06 $196.38	Min.: 1 Mult.: 1
Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube GT-TFF-AL PolyPhaser 1: $76.68 68In Stock 102On Order New Product	Mfr. Part No. GT-TFF-AL Mouser Part No 44-GT-TFF-AL New Product	PolyPhaser	Connectorised Surge Protectors TNC F/F 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	68In Stock 102On Order On Order Ship Dates Mfr. No: GT-TFF-AL Stock: 68 Can Dispatch Immediately On Order: 2 Pending 13 Expected 23/11/2026 87 Expected 25/12/2026 Factory Lead Time: 10 Weeks	$76.68 $72.59	Min.: 1 Mult.: 1
Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Hole Mount IS-B50LU-C0 PolyPhaser 1: $113.62 20In Stock New Product	Mfr. Part No. IS-B50LU-C0 Mouser Part No 44-IS-B50LU-C0 New Product	PolyPhaser	Connectorised Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Hole Mount Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	20In Stock	$113.62 $107.77	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter WSXM PolyPhaser 1: $257.12 17In Stock 1Expected 20/11/2026 New Product	Mfr. Part No. WSXM Mouser Part No 44-WSXM New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter Learn More about PolyPhaser 6ghz 10ghz surge protector	Datasheet	17In Stock 1Expected 20/11/2026	$257.12 $246.24	Min.: 1 Mult.: 1
Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI PDG33G0250B2NJ Eaton Electrical 1: $2,615.14 1In Stock New Product	Mfr. Part No. PDG33G0250B2NJ Mouser Part No 504-PDG33G0250B2NJ New Product	Eaton Electrical	Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI	Datasheet	1In Stock	$2,615.14	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS SMC5K54CAHM3/I Vishay 1: $2.92 2,240In Stock New Product	Mfr. Part No. SMC5K54CAHM3/I Mouser Part No 78-SMC5K54CAHM3/I New Product	Vishay	ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS Learn More about Vishay semi smc5kxxca transzorb tvs	Datasheet	2,240In Stock	Cut Tape $2.92 $1.89 $1.53 $1.29 Reel $0.86 View $1.02 $0.954 $0.853	Min.: 1 Mult.: 1 : 3,500
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 BGXZ-60NFNF-ALT PolyPhaser 1: $179.82 40In Stock 62On Order New Product	Mfr. Part No. BGXZ-60NFNF-ALT Mouser Part No 44-BGXZ-60NFNF-ALT New Product	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 Learn More about PolyPhaser 40mhz 400mhz surge protectors	Datasheet	40In Stock 62On Order On Order Ship Dates Mfr. No: BGXZ-60NFNF-ALT Stock: 40 Can Dispatch Immediately On Order: 30 Expected 18/11/2026 32 Expected 19/11/2026 Factory Lead Time: 3 Weeks	$179.82 $172.21	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFM PolyPhaser 1: $132.55 27In Stock New Product	Mfr. Part No. GPS+06NFM Mouser Part No 44-GPS+06NFM New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M 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	27In Stock	$132.55 $125.72	Min.: 1 Mult.: 1
Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors GSA-KIT-N PolyPhaser 1: $61.52 74In Stock New Product	Mfr. Part No. GSA-KIT-N Mouser Part No 44-GSA-KIT-N New Product	PolyPhaser	Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors Learn More about PolyPhaser surge protector accessories	Datasheet	74In Stock	$61.52 $58.24	Min.: 1 Mult.: 1
Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube GTH-SFF-AL PolyPhaser 1: $74.00 76In Stock 95On Order New Product	Mfr. Part No. GTH-SFF-AL Mouser Part No 44-GTH-SFF-AL New Product	PolyPhaser	Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube	Datasheet	76In Stock 95On Order On Order Ship Dates Mfr. No: GTH-SFF-AL Stock: 76 Can Dispatch Immediately On Order: 67 Expected 27/11/2026 28 Expected 25/12/2026 Factory Lead Time: 8 Weeks	$74.00 $70.06	Min.: 1 Mult.: 1
Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube GTH-SFM-AL PolyPhaser 1: $80.24 73In Stock 19Expected 19/11/2026 New Product	Mfr. Part No. GTH-SFM-AL Mouser Part No 44-GTH-SFM-AL New Product	PolyPhaser	Connectorised Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube	Datasheet	73In Stock 19Expected 19/11/2026	$80.24 $75.97	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: $85.20 22In Stock 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	22In Stock	$85.20 $80.81	Min.: 1 Mult.: 1
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 RGT-DFF PolyPhaser 1: $125.66 13In Stock New Product	Mfr. Part No. RGT-DFF Mouser Part No 44-RGT-DFF New Product	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 Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	13In Stock	$125.66 $119.19	Min.: 1 Mult.: 1
Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI PDG23G0150P2ML Eaton Electrical 1: $2,176.55 1In Stock New Product	Mfr. Part No. PDG23G0150P2ML Mouser Part No 504-PDG23G0150P2ML New Product	Eaton Electrical	Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI	Datasheet	1In Stock	$2,176.55	Min.: 1 Mult.: 1
Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit BFN PolyPhaser 1: $29.33 125In Stock 22Expected 09/11/2026 New Product	Mfr. Part No. BFN Mouser Part No 44-BFN New Product	PolyPhaser	Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit Learn More about PolyPhaser surge protector accessories	Datasheet	125In Stock 22Expected 09/11/2026	$29.33 $24.89 $23.77 $21.26	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount CGXJ+36NFNF-A PolyPhaser 1: $214.52 23In Stock New Product	Mfr. Part No. CGXJ+36NFNF-A Mouser Part No 44-CGXJ+36NFNF-A New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount Learn More about PolyPhaser 400mhz 2 5ghz surge protectors	Datasheet	23In Stock	$214.52 $205.45	Min.: 1 Mult.: 1
Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube GT75-FFF PolyPhaser 1: $182.48 25In Stock 9Expected 13/11/2026 New Product	Mfr. Part No. GT75-FFF Mouser Part No 44-GT75-FFF New Product	PolyPhaser	Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube Learn More about PolyPhaser dc 7ghz rf coaxial surge protectors	Datasheet	25In Stock 9Expected 13/11/2026	$182.48 $173.08	Min.: 1 Mult.: 1
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 IS-50NX-C0 PolyPhaser 1: $80.90 25In Stock 31On Order New Product	Mfr. Part No. IS-50NX-C0 Mouser Part No 44-IS-50NX-C0 New Product	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 Learn More about PolyPhaser 1 5mhz 6ghz surge protectors	Datasheet	25In Stock 31On Order On Order Ship Dates Mfr. No: IS-50NX-C0 Stock: 25 Can Dispatch Immediately On Order: 19 Expected 20/11/2026 12 Expected 27/11/2026 Factory Lead Time: 3 Weeks	$80.90 $76.73	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-50NX-C0-MA PolyPhaser 1: $106.73 37In Stock 110On Order New Product	Mfr. Part No. IS-50NX-C0-MA Mouser Part No 44-IS-50NX-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N 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	37In Stock 110On Order On Order Ship Dates Mfr. No: IS-50NX-C0-MA Stock: 37 Can Dispatch Immediately On Order: 43 Expected 06/11/2026 67 Expected 01/01/2027 Factory Lead Time: 11 Weeks	$106.73 $101.23	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, Low PIM, Hole Mount TSX-NFM-P PolyPhaser 1: $146.32 58In Stock 13Expected 03/11/2026 New Product	Mfr. Part No. TSX-NFM-P Mouser Part No 44-TSX-NFM-P 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, Low PIM, Hole Mount Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	58In Stock 13Expected 03/11/2026	$146.32 $138.79	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter TUSX-NFF PolyPhaser 1: $189.28 62In Stock 17Expected 19/11/2026 New Product	Mfr. Part No. TUSX-NFF Mouser Part No 44-TUSX-NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter Learn More about PolyPhaser tsx tusx rf surge protectors	Datasheet	62In Stock 17Expected 19/11/2026	$189.28 $181.28	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection