RF Coaxial Connectors

- Aug 01, 2017-

              With the rapid development of science and technology, the application of electronic equipment has become more and more extensive, almost penetrated into all parts of the national economy, including military, public security, communications, medical and other fields, so the reliability of electronic equipment has aroused people's concern and attention. and connectors, relays and other electrical contact elements are used in electronic equipment, one of the most components. In incomplete statistics, a computer, a radar or a plane, the number of contacts are tens of thousands, and the reliability of electronic equipment with the number of components used, the quality of a very close relationship. Especially in the series structure of electronic equipment, the failure of any one component, device or node can lead to local or individual system failure. In this paper, the failure modes and mechanism of RF coaxial connectors and cable assemblies are analyzed, and the reliability of this system is discussed.Coax Connector

             At present, domestic and foreign use of RF coaxial connectors, although a lot of varieties, however, the main types of connection are as follows: (1) Threaded connection type: APC-7, N, TNC, SMA, SMC, L27, L16, L12, L8, L6 and other RF coaxial connectors. The connection form is characterized by high reliability and good shielding effect, so the application is also the most widely used. (2) Card mouth connection type: such as: BNC, C, Q9, Q6 and other RF coaxial connectors. This kind of connection appliance has the connection convenient, fast and so on the characteristic, is also the international application earliest RF connector connection form. (3) Promote the connection type: such as: SMB, SSMB, MCX and so on, this connection form is simple in structure, compact, small size, easy to miniaturization and so on.Coax Connector

             is a lot of connectors, but from the perspective of reliability analysis, many topics are the same. This paper focuses on the analysis of the failure modes and mechanism of the most widely used RF coaxial connectors with the most varieties of thread connection. According to our practice in the past more than 10 years, the common main failure modes are as follows.Coax Connector

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