DBM25P043N

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D-sub connectors are electrical connectors that feature two or more parallel rows of pins or sockets, and are widely used in computers and other kinds of electronic equipment. DB25P043N is one of the types of D-sub connectors and its application field and working principle will be discussed in the following sections.

Application Field

DB25P043N is a male D-sub connector with 25 way parallel pin layout, usually applied to SCSI cables, serial cables and parallel ports. It features a 3-row array of pins on one side and a 4-row array of sockets on the other side. Each row contains 9 pins or 9 sockets, so it provides a total of 25 ways for connecting two cables. It is designed in 50.2 mm x 15.2 mm size and has a robust housing and reliable contacts, so it is widely used in various kinds of industrial equipment or commercial devices.

Working Principle

DB25P043N D-sub connector uses a PCB terminal design to ensure a strong connection between the connected cables. The terminal is inserted into a pre-drilled plastic shell and secured by a plunger. A resilient elastomeric gasket is fitted around the base of the connector and provides a waterproof seal. The pins and sockets are gold-plated to ensure a good electrical connection, and are machined to a consistent length to prevent shorts. The connections are also protected with strain relief fixtures, which prevent the connector from being pulled out of the device.

The connection provided by the DB25P043N D-sub connector is secured at two levels. Firstly, a plastic clamp holds the inserted pin in place to prevent it from coming loose. Secondly, the socket is designed with a latching mechanism that locks the connector into place. This prevents the pins from becoming loose and ensures a reliable electrical connection.

Conclusion

In conclusion, the DB25P043N is a robust and reliable male D-sub connector, which is widely used in various kinds of electronic equipment. It features a 3-row array of pins on one side and a 4-row array of sockets on the other side, has a sturdy housing and reliable contacts, is waterproofed with a resilient elastomeric gasket, and is secured with a combination of plastic clamps and locking mechanisms. The DB25P043N D-sub connector is an ideal solution for many industrial and commercial applications.

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