How are RF connectors named?

First, RF connector nomenclature general RF connector model from the main name code and structure form code two parts, separated by a short horizontal line "-". Other cases need to be described in the detailed model can be specified, and separated by a short horizontal line with the structure of the form code. Second, the RF connector code description of the 17 kinds of form code Introduction N type: outer conductor inner diameter of 7mm (0.276 inches), the characteristic impedance of 50Ω (75Ω) threaded RF coaxial connector. (IEC169-16) BNC type: outer conductor inner diameter of 6.5mm (0.256 inches), the characteristic impedance of 50Ω bayonet locking RF coaxial connectors. (IEC169-8) TNC type: outer conductor inner diameter of 6.5mm (0.256 inches), characteristic impedance 50Ω threaded RF coaxial connectors. (IEC169-17) SMA type: outer conductor inner diameter of 4.13mm (0.163 inches), characteristic impedance of 50Ω threaded RF coaxial connectors. (IEC169-15) SMB type: outer conductor inner diameter of 3mm (0.12 inches), the characteristic impedance of 50Ω push-lock type RF coaxial connectors. (IEC169-10) SMC type: outer conductor inner diameter of 3mm (0.12 inches), the characteristic impedance of 50Ω threaded RF coaxial connectors. (IEC169-9) SSMA type: outer conductor inner diameter of 2.79mm (0.11 inches), characteristic impedance 50Ω threaded RF coaxial connectors. (IEC169-18) SSMB type: outer conductor inner diameter of 2.08mm (0.082 inches), the characteristic impedance of 50Ω push-locking RF coaxial connectors. (IEC169-19) SSMC type: outer conductor inner diameter of 2.08mm (0.082 inches), the characteristic impedance of 50Ω threaded RF coaxial connectors. (IEC169-20) SC type (SC-A and SC-B type): outer conductor inner diameter of 9.5 mm (0.374 inches), characteristic impedance of 50 Ω threaded (two types of models have different types of connecting threads) RF coaxial connectors. (IEC169-21) APC7 type: outer conductor inner diameter of 7mm (0.276 inches), the characteristic impedance of 50Ω precision medium-sized RF coaxial connectors. (IEC457-2) APC3.5 type: outer conductor inner diameter of 3.5mm (0.138 inches), characteristic impedance of 50Ω threaded RF coaxial connectors. (IEC169-23) K type: outer conductor inner diameter of 2.92mm (0.115 inches), the characteristic impedance of 50Ω threaded RF coaxial connectors. OS-50 type: outer conductor inner diameter of 2.4mm (0.095 inches), the characteristic impedance of 50Ω threaded RF coaxial connectors. F-type: the characteristic impedance of 75Ω cable distribution system used in threaded RF coaxial connectors. Type F: Threaded RF coaxial connectors for cable distribution systems with a characteristic impedance of 75 Ω. (IEC169-24) Type E: Threaded RF coaxial connectors for cable distribution systems with a characteristic impedance of 75 Ω. (IEC169-27) Threaded RF coaxial connectors for cable distribution systems with a characteristic impedance of 75 Ω. (IEC169-27) Type L: Metric threaded RF coaxial connectors, the threaded connection size is indicated by an Arabic numeral after "L".

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