Series TNC 75 Ω – coaxial miniature connectors Description Content Within the internationally standardised TNC mating face di- Description 345 mensions a perfect 75 Ω characteristic impedance cannot be Compatibility 345 realised. However, at frequencies up to 1 GHz the small impe- Interface dimensions in mm/inches 345 dance deviation is negligible for practical applications. The Technical data 346 threaded coupling mechanism allows them to be used under Cable connectors 347 higher environmental load than BNC. Protective caps 349 Compatibility 75 Ω TNC connectors and 50 Ω TNC connectors are intermateable without restrictions. Interface dimensions (mm/inches) Plug (male) Plug Jack min. max. min. max. A 4.83/0.190 4.97/0.196 – 4.72/0.186 B 5.28/0.208 5.79/0.228 4.72/0.186 5.23/0.206 C 1.32/0.052 1.37/0.054 1.50 /0.059 nom. D 0.08/0.003 1.02/0.040 2.10/0.827 nom. E– – 4.95/0.195 – F– – 9.60/0.378 9.70/0.382 G– – 8.35/0.328 8.48/0.334 H– – 8.10/0.319 8.15/0.321 I– – 10.60/0.417 – Jack (female) Interface dimensions conformable to the standards: Based on IEC 60169-17 and IEC 60169-8, annex A TNC 75 Ω HUBER+SUHNER RF connectors – TNC 75 Ω 345
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