DB5W5S343A40LF

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D-Sub connectors refer to a kind of electrical connector used in the fields of an industrial tool or appliance, information and communication, machinery and equipment, and aviation. The full form of DB5W5S343A40LF is DB, number of positions 5, type of wire 5, style of contact 343A and panel cut out size 40LF.

DB5W5S343A40LF D-Sub connectors have a wide range of application fields. From the view of industrial tools, they can be used in hands tools, testing and measuring tools, generators, etc. In the view of information and communication, these connectors are used in audio and video monitoring equipment, communications equipment with high-frequency transmitters, EDP system, etc. In addition, in the field of machinery and equipment, they can be used in escalators, elevators, copiers and other factory equipment. Similarly, DB5W5S343A40LF D-Sub connectors can also be used in the aviation industry, for providing power for flight control system, navigation system and communication system, etc.

DB5W5S343A40LF D-Sub connnectors also have a specific working principle. This connector works by a system called the "sleeve-key" system. The key is an enlarged portion on the side of the contact that prevents any mating contact from reverse insertion into the backshell cavity. This is to stop accidental mating of incompatible contacts. The sleeve is a ferrule that is soldered to the mating contact, which in turn prevent opposite polarity or current direction mis-mating. The diameters of the key and the sleeve are different so that only contacts with the same polarity can mate with each other. This ensures only the correctly polarized connections are made.

Furthermore, DB5W5S343A40LF D-Sub connectors are designed with special plastic wedges which have two functions. Firstly, the wedge ensures that all the contacts can be installed at a same time and secondly, that the vibration of the contact is prevented. This is due to the idea that wedging accurately locates the contacts and secures the contact in place.

In conclusion, DB5W5S343A40LF D-Sub connectors have a wide range of applications and working principles. Therefore, they are widely used in the fields of industrial tool or appliance, information and communication, machinery and equipment, and aviation.

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