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BNC Connectors & Adapters

Amphenol RF BNC Connectors and Adapters are available with 50Ω or 75Ω impedance and operate in a 0GHz to 6GHz frequency range. These lightweight miniature connectors offer reliability, 1500V_RMS dielectric withstanding voltage, 1000V_RMS voltage rating, and 5000MΩ or 10,000MΩ minimum insulation resistance. Many of the connectors feature bayonet-style coupling for quick connections and disconnections. These connectors are available in 50Ω, 75Ω, and 50Ω reverse polarity. The in-series adapters offer two different interfaces within the same connector series, while between-series adapters include interfaces from different connector series. Applications for Amphenol RF BNC Connectors and Adapters are antennas, telecom, automotive, computers/LANs, medical equipment, Mil-Aero, and much more. A full line of PCB receptacles, bulkhead receptacles, reverse-polarity connectors, resistor terminations, and other accessories complement the product offering.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
RF Connectors / Coaxial Connectors BNC 50Crimp Angle P 031-334 Amphenol RF 1: £31.47 1,669In Stock 979Expected 03/12/2026	Mfr. Part No. 031-334 Mouser Part No 523-31-334	Amphenol RF	RF Connectors / Coaxial Connectors BNC 50Crimp Angle P Learn More about Amphenol RF bnc	Datasheet	1,669In Stock 979Expected 03/12/2026	£31.47 £30.65 £28.73 £25.44 View £25.18 £24.60 Quote	Min.: 1 Mult.: 1
RF Adapters - In Series BNC 50ohm Bulkhead 031-4803-RFX Amphenol RF 1: £4.62 5,140In Stock	Mfr. Part No. 031-4803-RFX Mouser Part No 523-31-4803-RFX	Amphenol RF	RF Adapters - In Series BNC 50ohm Bulkhead Learn More about Amphenol RF adapters	Datasheet	5,140In Stock	£4.62 £3.92 £3.68 £3.51 View £3.33 £3.13 £2.98 £2.92	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC R/A PCB RECEPT 031-70221 Amphenol RF 1: £7.11 6,159In Stock	Mfr. Part No. 031-70221 Mouser Part No 523-31-70221	Amphenol RF	RF Connectors / Coaxial Connectors BNC R/A PCB RECEPT Learn More about Amphenol RF bnc	Datasheet	6,159In Stock	£7.11 £6.57 £6.35 £5.93 View £5.51 £5.39 £5.00 £4.85	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Male 75 Ohms 034-1026 Amphenol RF 1: £10.11 5,924In Stock	Mfr. Part No. 034-1026 Mouser Part No 523-34-1026	Amphenol RF	RF Connectors / Coaxial Connectors BNC Male 75 Ohms Learn More about Amphenol RF adapters	Datasheet	5,924In Stock	£10.11 £8.86 £8.30 £7.91 View £7.53 £6.97 £6.73 £6.41	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors PCB RIGHT-ANGLE THRU-HOLE, BULKHEAD 034-1030-12G Amphenol RF 1: £7.80 2,294In Stock	Mfr. Part No. 034-1030-12G Mouser Part No 523-34-1030-12G	Amphenol RF	RF Connectors / Coaxial Connectors PCB RIGHT-ANGLE THRU-HOLE, BULKHEAD Learn More about Amphenol RF amphenolrf 12GBNC HDBNC connectors	Datasheet	2,294In Stock	£7.80 £6.63 £6.22 £5.93 View £5.64 £5.22 £5.03 £4.79	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors HD-BNC(M)STR BELDEN 179DT /179 034-1042 Amphenol RF 1: £9.77 4,513In Stock	Mfr. Part No. 034-1042 Mouser Part No 523-34-1042	Amphenol RF	RF Connectors / Coaxial Connectors HD-BNC(M)STR BELDEN 179DT /179 Learn More about Amphenol RF adapters	Datasheet	4,513In Stock	£9.77 £8.44 £7.91 £7.53 View £7.17 £6.63 £6.41 £6.09	Min.: 1 Mult.: 1
RF Terminators TERMINATOR PLUG 50 ohm 1 watt 000-46650-51RFX Amphenol RF 1: £3.35 5,880In Stock	Mfr. Part No. 000-46650-51RFX Mouser Part No 523-46650-51RFX	Amphenol RF	RF Terminators TERMINATOR PLUG 50 ohm 1 watt Learn More about Amphenol RF bnc	Datasheet	5,880In Stock	£3.35 £2.85 £2.55 £2.42 View £2.27 £2.17 £2.07 £1.93 £1.92	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC ST CRIMP PLUG RG8 213 50 OHM 112562 Amphenol RF 1: £8.82 276In Stock NRND	Mfr. Part No. 112562 Mouser Part No 523-112562 NRND	Amphenol RF	RF Connectors / Coaxial Connectors BNC ST CRIMP PLUG RG8 213 50 OHM Learn More about Amphenol RF bnc	Datasheet	276In Stock	£8.82 £7.80 £7.32 £6.97 View £6.63 £6.14 £5.66 £5.53	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str BHD Jack for 0.81 mm Cable 031-6991 Amphenol RF 1: £12.38 83In Stock New At Mouser	Mfr. Part No. 031-6991 Mouser Part No 523-031-6991 New At Mouser	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str BHD Jack for 0.81 mm Cable Learn More about Amphenol RF bnc	Datasheet	83In Stock	£12.38 £10.52 £9.86 £9.38 View £8.94 £8.38 £7.98 £7.97	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors RF Connector BNC Straight Crimp Jack 1.13 mm Micro-cable Bulkhead Front Mount 50 Ohm 031-6993 Amphenol RF 1: £11.74 87In Stock New At Mouser	Mfr. Part No. 031-6993 Mouser Part No 523-031-6993 New At Mouser	Amphenol RF	RF Connectors / Coaxial Connectors RF Connector BNC Straight Crimp Jack 1.13 mm Micro-cable Bulkhead Front Mount 50 Ohm Learn More about Amphenol RF bnc		87In Stock	£11.74 £9.98 £9.36 £8.90 View £8.48 £7.95 £7.57 £7.23	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Bhd Jack Front Mount for 1.32 mm DS Cable 031-6994 Amphenol RF 1: £12.38 100In Stock New At Mouser	Mfr. Part No. 031-6994 Mouser Part No 523-031-6994 New At Mouser	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str Bhd Jack Front Mount for 1.32 mm DS Cable Learn More about Amphenol RF bnc	Datasheet	100In Stock	£12.38 £10.52 £9.86 £9.38 View £8.98 £8.38 £7.98 £7.97	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Bhd Jack Front Mount FOR 1.37 mm Cable 031-6995 Amphenol RF 1: £12.38 83In Stock New At Mouser	Mfr. Part No. 031-6995 Mouser Part No 523-031-6995 New At Mouser	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str Bhd Jack Front Mount FOR 1.37 mm Cable Learn More about Amphenol RF bnc	Datasheet	83In Stock	£12.38 £10.52 £9.86 £9.38 View £8.94 £8.38 £7.98 £7.97	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Plug for 0.81 mm Cable 031-6996 Amphenol RF 1: £11.28 75In Stock New At Mouser	Mfr. Part No. 031-6996 Mouser Part No 523-031-6996 New At Mouser	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str Plug for 0.81 mm Cable Learn More about Amphenol RF bnc	Datasheet	75In Stock	£11.28 £9.58 £8.98 £8.56 View £8.15 £7.64 £7.26 £6.92	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC CRIMP LUG 75 OHM 031-70235 Amphenol RF 1: £4.13 78In Stock NRND	Mfr. Part No. 031-70235 Mouser Part No 523-31-70235 NRND	Amphenol RF	RF Connectors / Coaxial Connectors BNC CRIMP LUG 75 OHM Learn More about Amphenol RF bnc	Datasheet	78In Stock	£4.13 £3.30 £2.89 £2.81 View £2.39 £2.23	Min.: 1 Mult.: 1
RF Adapters - In Series ADPT BNC Jack to BNC Bulkhead 75Ohm 031-220N-75-12G Amphenol RF 1: £15.76 610In Stock	Mfr. Part No. 031-220N-75-12G Mouser Part No 523-031-220N-75-12G	Amphenol RF	RF Adapters - In Series ADPT BNC Jack to BNC Bulkhead 75Ohm Learn More about Amphenol RF bnc	Datasheet	610In Stock	£15.76 £13.38 £12.55 £12.18	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Strt Cmp Plg LMR-240 50 ohm 031-6861 Amphenol RF 1: £7.53 555In Stock	Mfr. Part No. 031-6861 Mouser Part No 523-031-6861	Amphenol RF	RF Connectors / Coaxial Connectors BNC Strt Cmp Plg LMR-240 50 ohm Learn More about Amphenol RF bnc	Datasheet	555In Stock	£7.53 £6.67 £6.25 £5.95 View £5.67 £5.60 £4.53 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-58 50 Ohm IP67 031-6924 Amphenol RF 1: £11.72 135In Stock 100Expected 27/11/2026	Mfr. Part No. 031-6924 Mouser Part No 523-031-6924	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-58 50 Ohm IP67 Learn More about Amphenol RF bnc	Datasheet	135In Stock 100Expected 27/11/2026	£11.72 £9.96 £9.34 £8.90 View £8.47 £8.25	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-316 50 Ohm IP67 031-6925 Amphenol RF 1: £11.14 204In Stock	Mfr. Part No. 031-6925 Mouser Part No 523-031-6925	Amphenol RF	RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-316 50 Ohm IP67 Learn More about Amphenol RF bnc	Datasheet	204In Stock	£11.14 £9.62 £9.02 £8.59 View £8.18 £7.95	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors RF Connector BNC Str ar Mount 50 Ohm IP6 031-6929 Amphenol RF 1: £9.96 206In Stock	Mfr. Part No. 031-6929 Mouser Part No 523-031-6929	Amphenol RF	RF Connectors / Coaxial Connectors RF Connector BNC Str ar Mount 50 Ohm IP6 Learn More about Amphenol RF bnc	Datasheet	206In Stock	£9.96 £8.46 £7.94 £7.55 View £7.19 £6.74 £6.73	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors 75Ohm Edge Mount BNC PCB .062/ .551"HEX 031-70526-12 Amphenol RF 1: £9.74 300In Stock	Mfr. Part No. 031-70526-12 Mouser Part No 523-031-70526-12	Amphenol RF	RF Connectors / Coaxial Connectors 75Ohm Edge Mount BNC PCB .062/ .551"HEX Learn More about Amphenol RF bnc	Datasheet	300In Stock	£9.74 £8.90 £8.70 £7.91 View £7.53 £6.97 £6.37 £6.20	Min.: 1 Mult.: 1
RF Adapters - Between Series 75Ohm BNC Straight Plug to HD-BNC Jack Adapter 031-70541-12G Amphenol RF 1: £29.39 108In Stock	Mfr. Part No. 031-70541-12G Mouser Part No 523-031-70541-12G	Amphenol RF	RF Adapters - Between Series 75Ohm BNC Straight Plug to HD-BNC Jack Adapter Learn More about Amphenol RF bnc	Datasheet	108In Stock	£29.39 £25.81 £24.19 £23.03 £20.57	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC 90 Crmp Plug for Bldn 4855R 75Ohm 031-70544-12G Amphenol RF 1: £14.55 405In Stock 500Expected 02/01/2027	Mfr. Part No. 031-70544-12G Mouser Part No 523-031-70544-12G	Amphenol RF	RF Connectors / Coaxial Connectors BNC 90 Crmp Plug for Bldn 4855R 75Ohm Learn More about Amphenol RF bnc	Datasheet	405In Stock 500Expected 02/01/2027	£14.55 £12.95 £12.22 £11.71 View £11.47 £10.91 £9.39 £9.31	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC RA PCB Jack Bkhd Mnt IP67 12G 75Ohm 031-70564-12G Amphenol RF 1: £11.58 286In Stock	Mfr. Part No. 031-70564-12G Mouser Part No 523-031-70564-12G	Amphenol RF	RF Connectors / Coaxial Connectors BNC RA PCB Jack Bkhd Mnt IP67 12G 75Ohm Learn More about Amphenol RF bnc	Datasheet	286In Stock	£11.58 £9.84 £9.23 £8.78 View £8.36 £8.25	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Strt Crimp Jack Belden 4855R 12G Opt 031-70566-12G Amphenol RF 1: £9.88 220In Stock 148Expected 27/11/2026	Mfr. Part No. 031-70566-12G Mouser Part No 523-031-70566-12G	Amphenol RF	RF Connectors / Coaxial Connectors BNC Strt Crimp Jack Belden 4855R 12G Opt Learn More about Amphenol RF bnc	Datasheet	220In Stock 148Expected 27/11/2026	£9.88 £8.83 £8.28 £7.87 View £7.50 £7.03 £6.70 £6.32	Min.: 1 Mult.: 1
RF Adapters - In Series BNC JCK to BNC PLG Right Angle 12G OPT 031-9-75-12G Amphenol RF 1: £18.78 313In Stock	Mfr. Part No. 031-9-75-12G Mouser Part No 523-031-9-75-12G	Amphenol RF	RF Adapters - In Series BNC JCK to BNC PLG Right Angle 12G OPT Learn More about Amphenol RF bnc	Datasheet	313In Stock	£18.78 £15.96 £14.95 £14.24 View £13.57 £12.72 £12.18	Min.: 1 Mult.: 1

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