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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 (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
RF Adapters - In Series BNC 50ohm Bulkhead 031-4803-RFX Amphenol RF 1: $8.36 5,062In 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	5,062In Stock	$8.36 $7.10 $6.68 $6.35 View $6.04 $5.66 $5.39 $5.13 $4.81	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors PCB RECEPTACLE 031-5329-52RFX Amphenol RF 1: $5.83 9,662In Stock	Mfr. Part No. 031-5329-52RFX Mouser Part No 523-31-5329-52RFX	Amphenol RF	RF Connectors / Coaxial Connectors PCB RECEPTACLE Learn More about Amphenol RF bnc	Datasheet	9,662In Stock	$5.83 $4.96 $4.42 $4.20 View $3.90 $3.75 $3.58 $3.35 Quote	Min.: 1 Mult.: 1
RF Adapters - In Series ADAPTER BULKHEAD 031-70020 Amphenol RF 1: $65.77 509In Stock 322Expected 2/2/2027	Mfr. Part No. 031-70020 Mouser Part No 523-31-70020	Amphenol RF	RF Adapters - In Series ADAPTER BULKHEAD Learn More about Amphenol RF adapters	Datasheet	509In Stock 322Expected 2/2/2027	$65.77 $65.24 $46.74 $43.40 View $41.96 $39.64 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC R/A PCB RECEPT 031-70221 Amphenol RF 1: $14.97 6,139In 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	6,139In Stock	$14.97 $14.08 $13.37 $13.11 View $12.31 $11.61 $11.10 $10.53	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Male 75 Ohms 034-1026 Amphenol RF 1: $18.31 5,919In 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	5,919In Stock	$18.31 $16.05 $15.04 $14.33 View $13.64 $12.62 $12.19 $11.60	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors HD-BNC(M)STR BELDEN 179DT /179 034-1042 Amphenol RF 1: $17.69 4,298In 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	4,298In Stock	$17.69 $15.29 $14.32 $13.64 View $12.99 $12.02 $11.60 $11.04	Min.: 1 Mult.: 1
RF Adapters - In Series Adapter BNC Jack to BNC Jack Amphenol RF 031-3220-1021 031-3220-1021 Amphenol RF 1: $31.36 99In Stock	Mfr. Part No. 031-3220-1021 Mouser Part No 523-031-3220-1021	Amphenol RF	RF Adapters - In Series Adapter BNC Jack to BNC Jack Learn More about Amphenol RF adapters	Datasheet	99In Stock	$31.36 $26.66 $26.36 $22.40 View $21.23 $20.28 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str BHD Jack for 0.81 mm Cable 031-6991 Amphenol RF 1: $22.43 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	$22.43 $19.05 $17.86 $17.00 View $16.20 $15.18 $14.46 $14.44	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: $21.27 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	$21.27 $18.07 $16.95 $16.13 View $15.35 $14.40 $13.71 $13.06	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: $22.43 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	$22.43 $19.05 $17.86 $17.00 View $16.27 $15.18 $14.46 $14.44	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Bhd Jack Front Mount FOR 1.37 mm Cable 031-6995 Amphenol RF 1: $22.43 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	$22.43 $19.05 $17.86 $17.00 View $16.20 $15.18 $14.46 $14.44	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Plug for 0.81 mm Cable 031-6996 Amphenol RF 1: $20.43 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	$20.43 $17.35 $16.27 $15.49 View $14.76 $13.83 $13.16 $12.54	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC CRIMP LUG 75 OHM 031-70235 Amphenol RF 1: $7.48 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	$7.48 $5.98 $5.24 $5.09 View $4.34 $4.04	Min.: 1 Mult.: 1
RF Adapters - In Series ADPT BNC Jack to BNC Bulkhead 75Ohm 031-220N-75-12G Amphenol RF 1: $28.55 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	$28.55 $24.25 $22.73 $21.65 View $20.70 $19.33 $18.70 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Strt Cmp Plg LMR-240 50 ohm 031-6861 Amphenol RF 1: $13.64 545In 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	545In Stock	$13.64 $12.08 $11.32 $10.78 View $10.27 $10.15 $8.20 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-58 50 Ohm IP67 031-6924 Amphenol RF 1: $21.24 165In Stock	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	165In Stock	$21.24 $18.05 $16.92 $16.12 View $15.34 $14.38 $13.70 $13.04	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Str Cr Pl RG-316 50 Ohm IP67 031-6925 Amphenol RF 1: $20.29 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	$20.29 $17.42 $16.33 $15.56 View $14.81 $13.89 $13.22 $12.59	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors RF Connector BNC Str ar Mount 50 Ohm IP6 031-6929 Amphenol RF 1: $18.05 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	$18.05 $15.33 $14.38 $13.68 View $13.03 $12.21 $11.63 $11.07	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors 75Ohm Edge Mount BNC PCB .062/ .551"HEX 031-70526-12 Amphenol RF 1: $17.65 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	$17.65 $16.12 $15.75 $14.32 View $13.64 $12.62 $11.55 $11.22	Min.: 1 Mult.: 1
RF Adapters - Between Series 75Ohm BNC Straight Plug to HD-BNC Jack Adapter 031-70541-12G Amphenol RF 1: $50.27 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	$50.27 $46.74 $43.82 $41.72 View $41.70 $36.38 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC 90 Crmp Plug for Bldn 4855R 75Ohm 031-70544-12G Amphenol RF 1: $26.52 643In Stock 262Expected 2/1/2027	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	643In Stock 262Expected 2/1/2027	$26.52 $23.05 $21.66 $20.84 View $20.78 $19.76 $18.82 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC RA PCB Jack Bkhd Mnt IP67 12G 75Ohm 031-70564-12G Amphenol RF 1: $20.98 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	$20.98 $17.83 $16.71 $15.91 View $15.15 $14.20 $13.53 $12.88	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors BNC Strt Crimp Jack Belden 4855R 12G Opt 031-70566-12G Amphenol RF 1: $18.54 368In Stock	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	368In Stock	$18.54 $15.98 $14.99 $14.27 View $13.59 $12.73 $12.13 $11.10 Quote	Min.: 1 Mult.: 1
RF Adapters - In Series BNC JCK to BNC PLG Right Angle 12G OPT 031-9-75-12G Amphenol RF 1: $34.01 260In Stock 250Expected 15/12/2026	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	260In Stock 250Expected 15/12/2026	$34.01 $28.91 $27.09 $25.26 View $24.02 $23.04 $21.94	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors HD-BNC Str8t Crmp Jk for Belden 4505R Cb 034-1120-12G Amphenol RF 1: $21.86 376In Stock	Mfr. Part No. 034-1120-12G Mouser Part No 523-034-1120-12G	Amphenol RF	RF Connectors / Coaxial Connectors HD-BNC Str8t Crmp Jk for Belden 4505R Cb Learn More about Amphenol RF bnc	Datasheet	376In Stock	$21.86 $18.56 $17.39 $16.56 View $15.78 $14.78 $14.08 $13.41	Min.: 1 Mult.: 1

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