Product Overview
Amphenol TNC to BNC Adapter: A 50 Ohm RF Connector
Condition
This listing is New and covers one Amphenol 000-79675 TNC Plug to BNC Jack adapter. The photo shows several of these adapters together inside a single clear zip-style poly bag with a blank, unprinted label window - that is how the stock was stored and photographed, not the sale unit. The body is bright metal with a knurled coupling nut, and the surfaces visible in the photo show no handling wear. A partial AMPHENOL marking is legible on the smooth barrel bodies of more than one piece, matching the brand on file for this part.
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Product Overview
The Amphenol 000-79675 is a TNC Plug to BNC Jack adapter built for 50 ohm RF and coax connections, converting a threaded TNC male connection to a bayonet-style BNC female jack in one compact coupler. The AMPHENOL mark is visible stamped on the smooth barrel bodies of the adapters in the product photo, and the pieces bagged together there are identical units from the same stock. The body is bright metal with a hand-tightenable TNC thread on one end and a BNC bayonet interface on the other, suited to bridging TNC-terminated cable to BNC-based instrumentation without swapping the whole cable run.
Key Features
- TNC Plug (male, threaded coupling) to BNC Jack (female, bayonet coupling), 50 ohm
- Amphenol 000-79675, brand marking partially legible on the barrel bodies in the photo
- Bright metal body with a knurled coupling nut for hand tightening
- New condition, sold as a single adapter at the price and stock shown
Applications
- RF bench technicians converting a TNC-terminated cable to a BNC-based scope, generator, or analyzer input
- Antenna and field service techs adapting TNC connections on radios or feed lines to BNC test gear
- Lab and instrumentation techs standardizing a rack of mixed TNC and BNC equipment
- Anyone keeping a small stock of RF adapters on the bench for quick connector swaps
Frequently Asked Questions
What connector configuration is this adapter?
It is a TNC Plug, a threaded male connector, mating to a BNC Jack, a female bayonet connector, rated 50 ohm, as specified for Amphenol part number 000-79675.
How many adapters come with this listing?
One. The listed price and stock cover a single Amphenol TNC to BNC adapter. The photo shows several identical pieces bagged together from the same stock, so use it to judge the part, not the quantity.
Is this adapter new or used?
It is listed as New. The pieces in the photo show bright metal with no handling wear on the surfaces facing the camera.
Why buy this adapter instead of a mixed surplus grab bag?
This is a known Amphenol part number with a stated configuration and impedance instead of an unlabeled bulk assortment of unknown brands and specs. Shipping is $8 flat rate, free once your order passes $28, and it leaves our Idaho warehouse the same or next business day.
Amphenol built its name on connectors that show up exactly where the schematic says they will. This TNC to BNC adapter is ready to bridge your next test setup or antenna run without you digging through an unlabeled parts bin first.
