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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
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 9Expected 10/26/2026 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 9Expected 10/26/2026	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
Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up VHF50B43-MA-BU PolyPhaser 1: 188,56 € 1In Stock New Product	Mfr. Part No. VHF50B43-MA-BU Mouser Part No 44-VHF50B43-MA-BU New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up	Datasheet	1In Stock	188,56 € 180,58 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount VHF50HD-MA PolyPhaser 1: 154,65 € 7In Stock New Product	Mfr. Part No. VHF50HD-MA Mouser Part No 44-VHF50HD-MA New Product	PolyPhaser	Connectorised Surge Protectors 7/16 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	7In Stock	154,65 € 148,10 €	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: 221,12 € 5In Stock 13On Order 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	5In Stock 13On Order On Order Ship Dates Mfr. No: WSXM Stock: 5 Can Dispatch Immediately On Order: 7 Expected 10/2/2026 6 Expected 11/20/2026 Factory Lead Time: 6 Weeks	221,12 € 211,77 €	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, REX22D-TD2-100-DC24V-1A/2A/4A-E E-T-A 1: 91,35 € 4In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-1A/2A/4A-E Mouser Part No 457-REX22DTD2124E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	91,35 € 76,28 € 70,89 €	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX REX22D-TD2-100-DC24V-6A/8A/10A-E E-T-A 1: 91,35 € 7In Stock New Product	Mfr. Part No. REX22D-TD2-100-DC24V-6A/8A/10A-E Mouser Part No 457-REX22DTD26810E New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	7In Stock	91,35 € 76,28 € 70,89 €	Min.: 1 Mult.: 1
Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX REX22D-TE2-100-DC24V-1A-10A-E E-T-A 1: 89,29 € 4In Stock New Product	Mfr. Part No. REX22D-TE2-100-DC24V-1A-10A-E Mouser Part No 457-REX22DTE21A10AE New Product	E-T-A	Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX Learn More about E-T-A eta rex22d t intelligent circuit protectors	Datasheet	4In Stock	89,29 € 74,42 € 69,30 €	Min.: 1 Mult.: 1
Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K BR2100 Eaton Electrical 1: 386,60 € 3In Stock New Product	Mfr. Part No. BR2100 Mouser Part No 504-BR2100 New Product	Eaton Electrical	Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K	Datasheet	3In Stock	386,60 € 320,26 € 295,20 € View Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit MJ8-POE-C6A/G/KF Citel 1: 89,26 € 4In Stock 10Expected 11/9/2026 New Product	Mfr. Part No. MJ8-POE-C6A/G/KF Mouser Part No 703-MJ8-POE-C6A/G/KF New Product	Citel	Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit	Datasheet	4In Stock 10Expected 11/9/2026	89,26 € 76,91 € 70,41 € 55,35 € View 55,32 € Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C NKA502C1R1C Amphenol Advanced Sensors 1: 2,40 € 14.231In Stock	Mfr. Part No. NKA502C1R1C Mouser Part No 527-NKA502C1R1C	Amphenol Advanced Sensors	NTC (Negative Temperature Coefficient) Thermistors Insulated chip & leads, 5KOhm +/-1% @ 25 C Learn More about Amphenol Advanced Sensors amphenol cr1 chip thermistors	Datasheet	14.231In Stock	2,40 € 2,29 € 2,16 € 2,07 € View 2,00 € 1,83 € 1,82 € 1,81 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p TPD1E10B06QDPYRQ1 Texas Instruments 1: 0,542 € 166.660In Stock	Mfr. Part No. TPD1E10B06QDPYRQ1 Mouser Part No 595-PD1E10B06QDPYRQ1	Texas Instruments	ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p Learn More about Texas Instruments ti tpd1e10b	Datasheet	166.660In Stock	Cut Tape 0,542 € 0,259 € 0,212 € 0,172 € Reel 0,101 € View 0,144 € 0,122 € 0,112 € 0,094 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect PE73SP1038 Pasternack 1: 111,37 € 6In Stock New Product	Mfr. Part No. PE73SP1038 Mouser Part No 28-PE73SP1038 New Product	Pasternack	Connectorised Surge Protectors Type N F/F In/Out Bulkhead Coax RF Surge Protector, DC - 7GHz and 3GHz - 4GHz, DC Pass, 90W, IP67, 20kA, Gas Discharge Tube, BiDirect	Datasheet	6In Stock	111,37 € 98,60 € 97,70 € 95,91 € View 93,04 € Quote	Min.: 1 Mult.: 1
Surge Protection Accessories L-Shaped Adapter BF-ADAPTER PolyPhaser 1: 25,63 € 19In Stock New Product	Mfr. Part No. BF-ADAPTER Mouser Part No 44-BF-ADAPTER New Product	PolyPhaser	Surge Protection Accessories L-Shaped Adapter Learn More about PolyPhaser surge protector accessories	Datasheet	19In Stock	25,63 € 21,76 € 20,78 € 18,58 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount DGXZ+06NMNF-Z PolyPhaser 1: 167,30 € 4In Stock New Product	Mfr. Part No. DGXZ+06NMNF-Z Mouser Part No 44-DGXZ+06NMNF-Z New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Up, Hole Mount Learn More about PolyPhaser gx surge protectors	Datasheet	4In Stock	167,30 € 158,69 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode GPS+06NFF PolyPhaser 1: 119,92 € 10In Stock 6Expected 10/16/2026 New Product	Mfr. Part No. GPS+06NFF Mouser Part No 44-GPS+06NFF New Product	PolyPhaser	Connectorised Surge Protectors Type N 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	10In Stock 6Expected 10/16/2026	119,92 € 113,74 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount IS-75F-C1 PolyPhaser 1: 94,75 € 5In Stock 4On Order New Product	Mfr. Part No. IS-75F-C1 Mouser Part No 44-IS-75F-C1 New Product	PolyPhaser	Connectorised Surge Protectors 75 Ohm Type F F/F Coaxial RF Surge Protector, 4MHz - 900MHz, DC Block, 100W, 50kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser 4mhz 900mhz 5mhz 400mhz protectors	Datasheet	5In Stock 4On Order On Order Ship Dates Mfr. No: IS-75F-C1 Stock: 5 Can Dispatch Immediately On Order: 2 Expected 10/8/2026 2 Expected 10/23/2026 Factory Lead Time: 3 Weeks	94,75 € 89,87 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B IX-2DC48 PolyPhaser 1: 156,93 € 1In Stock 9Expected 10/16/2026 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	1In Stock 9Expected 10/16/2026	156,93 € 148,85 €	Min.: 1 Mult.: 1
Surge Protection Accessories IX Series Pole Mount Kit IX-POLE-KIT PolyPhaser 1: 58,27 € 10In Stock New Product	Mfr. Part No. IX-POLE-KIT Mouser Part No 44-IX-POLE-KIT New Product	PolyPhaser	Surge Protection Accessories IX Series Pole Mount Kit	Datasheet	10In Stock	58,27 € 55,17 €	Min.: 1 Mult.: 1
Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch TK-2 PolyPhaser 1: 42,05 € 10In Stock New Product	Mfr. Part No. TK-2 Mouser Part No 44-TK-2 New Product	PolyPhaser	Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch Learn More about PolyPhaser surge protector accessories	Datasheet	10In Stock	42,05 € 39,23 € 37,58 €	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 TSX-DFM PolyPhaser 1: 198,06 € 5In Stock New Product	Mfr. Part No. TSX-DFM Mouser Part No 44-TSX-DFM 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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	5In Stock	198,06 € 189,68 €	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 TSX-NFM PolyPhaser 1: 119,92 € 9In Stock New Product	Mfr. Part No. TSX-NFM Mouser Part No 44-TSX-NFM 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 Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	9In Stock	119,92 € 113,74 €	Min.: 1 Mult.: 1

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