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Caps, Adapters, & Plug Terminations

Amphenol / SV Microwave RF and Microwave Connectors are available with a complete line of accessories, including adapters, termination plugs, and protective caps to satisfy a wide array of applications. The 50Ω SMA adapters and termination plugs offer electrical performance from DC to 18GHz, an operating temperature of -55°C to +125°C, and a durability rating up to 500 cycles. The 50Ω SMA adapters and termination plugs are available in a broad range of standard configurations, including straight and right-angle PCB mount, bulkhead cable jacks, jam nut jacks, and two- and four-hold flange-mount panel jacks. Amphenol / SV Microwave 50Ω BNC and TNC protective caps are designed to protect connectors operating at a frequency of DC to 11GHz and are available in chain and wire rope assembly.

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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 Adapters - In Series SMA F to F FlangeMnt Adapter, 4 Hole SF2991-6007 Amphenol / SV Microwave 1: £40.20 2,565In Stock	Mfr. Part No. SF2991-6007 Mouser Part No 523-SF2991-6007	Amphenol / SV Microwave	RF Adapters - In Series SMA F to F FlangeMnt Adapter, 4 Hole Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	2,565In Stock	£40.20	Min.: 1 Mult.: 1
RF Connector Accessories BNC JACK DUST CAP W/BEADED CHAIN M39012/25-0008 Amphenol / SV Microwave 1: £95.03 70In Stock	Mfr. Part No. M39012/25-0008 Mouser Part No 523-M39012/25-0008	Amphenol / SV Microwave	RF Connector Accessories BNC JACK DUST CAP W/BEADED CHAIN Learn More about Amphenol / SV Microwave amphenol rf products	Datasheet	70In Stock	£95.03 £80.80 £77.62 £75.03 View £70.89 Quote	Min.: 1 Mult.: 1
RF Adapters - In Series TNC F to M Adapter 4133-0002 Amphenol / SV Microwave 1: £101.13 36In Stock	Mfr. Part No. 4133-0002 Mouser Part No 523-4133-0002	Amphenol / SV Microwave	RF Adapters - In Series TNC F to M Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	36In Stock	£101.13 £89.49 £79.89	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to F Bulkhead Adapter 2990-6005 Amphenol / SV Microwave 1: £32.41 382In Stock	Mfr. Part No. 2990-6005 Mouser Part No 523-2990-6005	Amphenol / SV Microwave	RF Adapters - In Series SMA F to F Bulkhead Adapter Learn More about Amphenol / SV Microwave amphenol rf sma connectors	Datasheet	382In Stock	£32.41 £27.55 £26.02	Min.: 1 Mult.: 1
RF Mil Spec Connectors SMA F to F Bulkhead Hermetic Adapter M55339/28-30001 Amphenol / SV Microwave 1: £51.07 406In Stock 300Expected 01/03/2027	Mfr. Part No. M55339/28-30001 Mouser Part No 523-M55339/28-30001	Amphenol / SV Microwave	RF Mil Spec Connectors SMA F to F Bulkhead Hermetic Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	406In Stock 300Expected 01/03/2027	£51.07 £46.00 £44.25	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to F Bulkhead Hermetic Adapter SF2991-6002 Amphenol / SV Microwave 1: £30.22 2,224In Stock 4,116On Order	Mfr. Part No. SF2991-6002 Mouser Part No 523-SF2991-6002	Amphenol / SV Microwave	RF Adapters - In Series SMA F to F Bulkhead Hermetic Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	2,224In Stock 4,116On Order On Order Ship Dates Mfr. No: SF2991-6002 Stock: 2,224 Can Dispatch Immediately On Order: 1,316 Expected 21/12/2026 2,800 Expected 01/01/2027 Factory Lead Time: 18 Weeks	£30.22 £28.27	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to M Adapter, R/A 2994-6001 Amphenol / SV Microwave 1: £28.69 48In Stock 100Expected 02/12/2026	Mfr. Part No. 2994-6001 Mouser Part No 523-2994-6001	Amphenol / SV Microwave	RF Adapters - In Series SMA F to M Adapter, R/A Learn More about Amphenol / SV Microwave amphenol rf sma connectors	Datasheet	48In Stock 100Expected 02/12/2026	£28.69 £24.38 £22.86 £22.32	Min.: 1 Mult.: 1
RF Terminators SMA M Termination Straight Male 8018-6005 Amphenol / SV Microwave 1: £27.35 197In Stock 200Expected 20/04/2027	Mfr. Part No. 8018-6005 Mouser Part No 523-8018-6005	Amphenol / SV Microwave	RF Terminators SMA M Termination Straight Male Learn More about Amphenol / SV Microwave svmicrowaveplugterm	Datasheet	197In Stock 200Expected 20/04/2027	£27.35 £26.11	Min.: 1 Mult.: 1
RF Terminators SMA M Termination Bead Chain 8018-6174 Amphenol / SV Microwave 1: £72.23 68In Stock 50Expected 26/01/2027	Mfr. Part No. 8018-6174 Mouser Part No 523-8018-6174	Amphenol / SV Microwave	RF Terminators SMA M Termination Bead Chain Learn More about Amphenol / SV Microwave svmicrowaveplugterm	Datasheet	68In Stock 50Expected 26/01/2027	£72.23 £64.17 £61.21 £60.78	Min.: 1 Mult.: 1
RF Connector Accessories TNC Cap with Chain M39012/25-0021 Amphenol / SV Microwave 1: £47.54 48In Stock 50Expected 08/03/2027	Mfr. Part No. M39012/25-0021 Mouser Part No 523-M39012/25-0021	Amphenol / SV Microwave	RF Connector Accessories TNC Cap with Chain Learn More about Amphenol / SV Microwave svmicrowaveplugterm	Datasheet	48In Stock 50Expected 08/03/2027	£47.54 £43.82 £42.92 £41.84	Min.: 1 Mult.: 1
RF Mil Spec Connectors SMA F to M Adapter, R/A M55339/02-30001 Amphenol / SV Microwave 1: £48.21 117In Stock	Mfr. Part No. M55339/02-30001 Mouser Part No 523-M55339/02-30001	Amphenol / SV Microwave	RF Mil Spec Connectors SMA F to M Adapter, R/A Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	117In Stock	£48.21 £40.98 £39.61	Min.: 1 Mult.: 1
RF Mil Spec Connectors TNC F to F Bulkhead Hermetic Adapter M55339/34-30001 Amphenol / SV Microwave 1: £100.16 118In Stock 175Expected 30/12/2026	Mfr. Part No. M55339/34-30001 Mouser Part No 523-M55339/34-30001	Amphenol / SV Microwave	RF Mil Spec Connectors TNC F to F Bulkhead Hermetic Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	118In Stock 175Expected 30/12/2026	£100.16 £95.01 £91.84 £89.42 View Quote	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to F Bulkhead Adapter SF2990-6005 Amphenol / SV Microwave 1: £13.56 704In Stock 750Expected 20/11/2026	Mfr. Part No. SF2990-6005 Mouser Part No 523-SF2990-6005	Amphenol / SV Microwave	RF Adapters - In Series SMA F to F Bulkhead Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	704In Stock 750Expected 20/11/2026	£13.56 £12.56 £11.83 £11.54	Min.: 1 Mult.: 1
RF Adapters - In Series SMA Male to Male Adapter SF2993-6001 Amphenol / SV Microwave 1: £37.67 192In Stock	Mfr. Part No. SF2993-6001 Mouser Part No 523-SF2993-6001	Amphenol / SV Microwave	RF Adapters - In Series SMA Male to Male Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	192In Stock	£37.67 £32.02 £30.25	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to M Adapter Adapter Female SF2997-6003 Amphenol / SV Microwave 1: £26.42 153In Stock	Mfr. Part No. SF2997-6003 Mouser Part No 523-SF2997-6003	Amphenol / SV Microwave	RF Adapters - In Series SMA F to M Adapter Adapter Female Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	153In Stock	£26.42 £22.46 £21.05 £20.49	Min.: 1 Mult.: 1
RF Terminators SMA M Termination Straight Male SF8018-6005 Amphenol / SV Microwave 1: £22.74 213In Stock 850On Order	Mfr. Part No. SF8018-6005 Mouser Part No 523-SF8018-6005	Amphenol / SV Microwave	RF Terminators SMA M Termination Straight Male Learn More about Amphenol / SV Microwave svmicrowaveplugterm	Datasheet	213In Stock 850On Order On Order Ship Dates Mfr. No: SF8018-6005 Stock: 213 Can Dispatch Immediately On Order: 350 Expected 13/11/2026 500 Expected 26/04/2027 Factory Lead Time: 26 Weeks	£22.74 £19.75 £18.25 £17.86	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to F Bulkhead Adapter 2990-6002 Amphenol / SV Microwave 1: £29.87 34In Stock 100Expected 17/02/2027	Mfr. Part No. 2990-6002 Mouser Part No 523-2990-6002	Amphenol / SV Microwave	RF Adapters - In Series SMA F to F Bulkhead Adapter Learn More about Amphenol / SV Microwave amphenol rf sma connectors	Datasheet	34In Stock 100Expected 17/02/2027	£29.87 £25.61 £24.02 £22.87 View £21.77 £21.68	Min.: 1 Mult.: 1
RF Connector Accessories BNC Dust Cap Wire Rope Assembly M39012/25-0106 Amphenol / SV Microwave 1: £57.00 1In Stock	Mfr. Part No. M39012/25-0106 Mouser Part No 523-M39012/25-0106	Amphenol / SV Microwave	RF Connector Accessories BNC Dust Cap Wire Rope Assembly Learn More about Amphenol / SV Microwave svmicrowaveplugterm		1In Stock	£57.00	Min.: 1 Mult.: 1
RF Mil Spec Connectors SMA F to F Adapter M55339/31-30001 Amphenol / SV Microwave 1: £22.42 11In Stock	Mfr. Part No. M55339/31-30001 Mouser Part No 523-M55339/31-30001	Amphenol / SV Microwave	RF Mil Spec Connectors SMA F to F Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	11In Stock	£22.42 £20.31 £19.94 £19.44	Min.: 1 Mult.: 1
RF Mil Spec Connectors TNC F to F Adapter ST ADP M55339/33-00001 Amphenol / SV Microwave 1: £42.49 4In Stock	Mfr. Part No. M55339/33-00001 Mouser Part No 523-M55339/33-00001	Amphenol / SV Microwave	RF Mil Spec Connectors TNC F to F Adapter ST ADP Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	4In Stock	£42.49 £37.96 £36.16 £35.35 £33.05	Min.: 1 Mult.: 1
RF Adapters - In Series SMA F to M Adapter, R/A SF2994-6001 Amphenol / SV Microwave 1: £36.38 7In Stock 100Expected 03/02/2027	Mfr. Part No. SF2994-6001 Mouser Part No 523-SF2994-6001	Amphenol / SV Microwave	RF Adapters - In Series SMA F to M Adapter, R/A Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	7In Stock 100Expected 03/02/2027	£36.38 £32.13 £30.14 £28.71 View £27.32 £26.71 Quote	Min.: 1 Mult.: 1
RF Mil Spec Connectors TNC M, Lockwire Hole to F Herm Adapt R/A M55339/32-00001 Amphenol / SV Microwave 1: £60.95 250Expected 31/03/2027	Mfr. Part No. M55339/32-00001 Mouser Part No 523-M55339/32-00001	Amphenol / SV Microwave	RF Mil Spec Connectors TNC M, Lockwire Hole to F Herm Adapt R/A Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	250Expected 31/03/2027	£60.95 £55.70 £52.30 £52.18 £50.56	Min.: 1 Mult.: 1
RF Mil Spec Connectors TNC F to F Bulkhead Hermetic Adapter M55339/34-00001 Amphenol / SV Microwave 1: £100.07 7Expected 03/03/2027	Mfr. Part No. M55339/34-00001 Mouser Part No 523-M55339/34-00001	Amphenol / SV Microwave	RF Mil Spec Connectors TNC F to F Bulkhead Hermetic Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	7Expected 03/03/2027	£100.07	Min.: 1 Mult.: 1
RF Adapters - In Series TNC F to F Bulkhead Adapter SF4532-6009 Amphenol / SV Microwave 25: £91.27 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. SF4532-6009 Mouser Part No 523-SF4532-6009	Amphenol / SV Microwave	RF Adapters - In Series TNC F to F Bulkhead Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	Non-Stocked Lead-Time 14 Weeks	£91.27 £89.12 £87.47 View Quote	Min.: 25 Mult.: 25
RF Adapters - In Series PTNC F to F Bulkhead Hermetic Adapter SF4587-6003 Amphenol / SV Microwave 25: £111.95 Non-Stocked Lead-Time 18 Weeks	Mfr. Part No. SF4587-6003 Mouser Part No 523-SF4587-6003	Amphenol / SV Microwave	RF Adapters - In Series PTNC F to F Bulkhead Hermetic Adapter Learn More about Amphenol / SV Microwave amphenol high frequency rf adapters	Datasheet	Non-Stocked Lead-Time 18 Weeks	£111.95 £108.92 View Quote	Min.: 25 Mult.: 25

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Caps, Adapters, & Plug Terminations

Types of Connectors