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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 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
ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS 4SMF10CA-M3/I Vishay Semiconductors 1: 0,421 € 7.927In Stock New Product	Mfr. Part No. 4SMF10CA-M3/I Mouser Part No 78-4SMF10CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,10V5%,SMFBIDIRTVS	Datasheet	7.927In Stock	Cut Tape 0,421 € 0,291 € 0,143 € 0,119 € Reel 0,054 € View 0,083 € 0,072 € 0,065 € 0,05 €	Min.: 1 Mult.: 1 : 10.000
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount IS-B50LN-C0-MA PolyPhaser 1: 96,23 € 5In Stock New Product	Mfr. Part No. IS-B50LN-C0-MA Mouser Part No 44-IS-B50LN-C0-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount Learn More about PolyPhaser is b50 surge protectors	Datasheet	5In Stock	96,23 € 91,27 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B IX-2H1DC48 PolyPhaser 1: 160,07 € 5In Stock New Product	Mfr. Part No. IX-2H1DC48 Mouser Part No 44-IX-2H1DC48 New Product	PolyPhaser	Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B Learn More about PolyPhaser ix surge protectors	Datasheet	5In Stock	160,07 € 153,30 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter LSXL-ME PolyPhaser 1: 133,24 € 5In Stock New Product	Mfr. Part No. LSXL-ME Mouser Part No 44-LSXL-ME New Product	PolyPhaser	Connectorised Surge Protectors Type N F/M 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	5In Stock	133,24 € 126,38 €	Min.: 1 Mult.: 1
Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch TK-3 PolyPhaser 1: 43,58 € 10In Stock New Product	Mfr. Part No. TK-3 Mouser Part No 44-TK-3 New Product	PolyPhaser	Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch Learn More about PolyPhaser surge protector accessories	Datasheet	10In Stock	43,58 € 40,67 € 38,97 € 38,96 € Quote Quote	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, w/ Bracket TSX-NFM-BF PolyPhaser 1: 142,13 € 6In Stock New Product	Mfr. Part No. TSX-NFM-BF Mouser Part No 44-TSX-NFM-BF 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, w/ Bracket Learn More about PolyPhaser 650mhz 2 7ghz surge protectors	Datasheet	6In Stock	142,13 € 134,81 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down VHF50B43-MA-BD PolyPhaser 1: 200,77 € 6In Stock New Product	Mfr. Part No. VHF50B43-MA-BD Mouser Part No 44-VHF50B43-MA-BD New Product	PolyPhaser	Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down	Datasheet	6In Stock	200,77 € 192,28 €	Min.: 1 Mult.: 1
Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount VHF50D-MA-PGR PolyPhaser 1: 188,56 € 4In Stock 4Expected 9/29/2026 New Product	Mfr. Part No. VHF50D-MA-PGR Mouser Part No 44-VHF50D-MA-PGR New Product	PolyPhaser	Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount Learn More about PolyPhaser 100mhz 512mhz surge protectors	Datasheet	4In Stock 4Expected 9/29/2026	188,56 € 180,58 €	Min.: 1 Mult.: 1
Surge Protection Accessories L-Shaped Adapter BF-ADAPTER PolyPhaser 1: 25,63 € 20In 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	20In 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 € 11In Stock 6Expected 10/21/2026 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	11In Stock 6Expected 10/21/2026	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 € 7In Stock 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	7In Stock	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 11/27/2026 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 11/27/2026	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
Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount VUF50NHP-MA PolyPhaser 1: 249,61 € 3In Stock New Product	Mfr. Part No. VUF50NHP-MA Mouser Part No 44-VUF50NHP-MA New Product	PolyPhaser	Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount	Datasheet	3In Stock	249,61 € 239,05 €	Min.: 1 Mult.: 1
Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT 1292315 Phoenix Contact 1: 185,13 € 5In Stock New Product	Mfr. Part No. 1292315 Mouser Part No 651-1292315 New Product	Phoenix Contact	Industrial Surge Protectors SFP2-1S-1-5A-120AC-UT Learn More about Phoenix Contact fil 1s sfp2 emc filters	Datasheet	5In Stock	185,13 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS 4SMF24CA-M3/I Vishay Semiconductors 1: 0,43 € 7.575In Stock New Product	Mfr. Part No. 4SMF24CA-M3/I Mouser Part No 78-4SMF24CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,24V5%,SMFBIDIRTVS	Datasheet	7.575In Stock	Cut Tape 0,43 € 0,302 € 0,148 € 0,124 € Reel 0,057 € View 0,086 € 0,075 € 0,067 € 0,052 €	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 400W,28V5%,SMFBIDIRTVS 4SMF28CA-M3/I Vishay Semiconductors 1: 0,43 € 7.708In Stock New Product	Mfr. Part No. 4SMF28CA-M3/I Mouser Part No 78-4SMF28CA-M3/I New Product	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,28V5%,SMFBIDIRTVS	Datasheet	7.708In Stock	Cut Tape 0,43 € 0,302 € 0,148 € 0,124 € Reel 0,057 € View 0,086 € 0,075 € 0,067 € 0,052 €	Min.: 1 Mult.: 1 : 10.000
Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor 111-1010 PolyPhaser 1: 100,67 € 10In Stock New Product	Mfr. Part No. 111-1010 Mouser Part No 44-111-1010 New Product	PolyPhaser	Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor	Datasheet	10In Stock	100,67 € 95,49 €	Min.: 1 Mult.: 1

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