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Details to pay attention to when purchasing RF connectors

Author: Date:4/25/2019 8:15:27 PM
 There are many types of RF coaxial connectors, including BNC, TNC, F-type, positive, SMA, SMB, MCX / MMCX and other RF connector categories, and select one of the many RF connectors to suit their needs. Good quality connections are a headache for customers. So how to choose a high quality RF coaxial connector? 

For what kind of RF coaxial connector is considered as high quality, how should we choose such a product, in advance of the class problem, first come to know what is the RF coaxial connector, then explain the choice of RF coaxial connection The elements that must be fully considered when selecting the device.

The interpretation in the encyclopedia is: RF coaxial connector is the electromechanical component that connects the electrical circuit, which plays the role of electrically connecting or disconnecting the transmission line. It belongs to a mechatronic product with complex failure mechanism compared with other electronic components. The development of RF coaxial connectors has a short history, but the establishment of an independent and complete professional system has become an important part of the connector family and an indispensable key component of the coaxial transmission system.


At the time of selection, it is necessary to fully consider the interface mechanism type, electrical performance, and termination form, which are as follows:

(1). Interface mechanism type

The connection mechanism of the RF connector not only provides convenient and rapid connection or separation of the coaxial transmission line, but also ensures stable electrical performance and environmental protection devices. When there is not enough space in the use place to rotate the connection nut, the non-twist type should be selected. Connection mechanism.


(2). Electrical performance

a characteristic impedance;

b withstand voltage.

c maximum work efficiency;


(3). Termination form

The connector can be used for RF coaxial cable, printed circuit board, chassis and drawer functional components and their connection interface.


Before use, you must be familiar with the performance of the selected products. Strict requirements are required according to the specified requirements. Overloading may cause the coaxial connector to fail. When attaching the cable connector, pay attention to the assembly. Properly use the appropriate attachment tool for operation.