MDM-25SSA

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D-Sub Connectors

D-sub connectors are a type of electrical connector widely used in the industrial, telecommunications, automotive, aerospace, automation, and medical industries. The MDM-25SSA is one of the most popular D-sub connector series, with small size, high density, and low cost.

MDM-25SSA Application Field

The MDM-25SSA is a plug & socket D-sub connector, used for the insulation displacement contact (IDC) termination. This series is mainly used in precision control, signal transfer, data communication, transportation vehicle, medical facilities and other occasions, such as industrial machines, switching power, medical equipment, MFD, test and measuring equipment, etc.

MDM-25SSA Working Principle

The MDM-25SSA is composed of two parts: the contact and the insert. The contact is the main part of the connector, which is used to connect the conductor when the socket is inserted into the plug. The insert is made of plastic, which is used to fit the contact into the socket. The contact is made up of two metal thin-walled shells joined together. A contact point is provided at the end of each shell. The contact is then inserted into a plastic insert. The contact point is mechanically pressed against the plug conductor as the insert is inserted into the plug.

Whenever there is an electrical connection, the contact point will conduct electricity. The contact resistance of the contact point is negligible as long as the contact is maintained. The contact point is designed to ensure that it can withstand a certain amount of force without affecting the electrical characteristics of the joint. The insert and contact are sealed with rubber or plastic to protect the connection from contaminants such as dust, moisture, and oil.

Conclusion

The MDM-25SSA D-sub connector is a popular series used in a variety of industrial, telecommunications, automotive, aerospace, automation, and medical applications. It features a plug & socket design for insulation displacement contact (IDC) termination, small size, high density, and low cost. The connector is composed of two parts: the contact and the insert. The contact is made of two shells with a contact point at the end. When inserted into the plug, the contact point mechanically presses against the conductor and ensures an electrical connection. The insert and contact are then sealed to provide protection from outside contaminants.

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