EJH-120-01-S-D-RA-20

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The EJH-120-01-S-D-RA-20 is a type of rectangular connector defined by the IPC-7351 standard for PCB design. It is primarily used in the aerospace, telecommunications, and computer industries. It is a type of header or male pin and is used to connect electronic components by making contact with assembled PCBs.

The connector is typically constructed of four components: an insert, a housing, a male pin, and a cover. The insert is comprised of a molded plastic body that forms a tight seal between the components. The cover is typically formed with a metal alloy to provide additional protection from moisture, vibration, and shock. And the male pin is generally made of copper or brass.

The EJH-120-01-S-D-RA-20 is designed to provide electrical connectivity from a male to a female connection. It is usually mounted with the male or “pin” side facing out and the female side facing inward. This allows the user to mount one side to the PCB and then use a wire to connect the two sides.

The EJH-120-01-S-D-RA-20 is typically specified in a common spacing of 2.54 mm (0.1 inches), with a pitch of 1.27 mm (0.05 inches). This pitch enables contact between the printed circuit board and the terminal as well as preventing dust and debris from entering the connector. It also helps to ensure that the connector is securely seated and provides flexibility for usage in various PCB designs.

The working principle of the EJH-120-01-S-D-RA-20 requires that the male connector is firmly seated in the female connector, creating electrical contact. Current flows from one point to the other and then back again, facilitating data transfer. When the male connector is properly connected to the female connector, it creates an electrical link between the two components. Additionally, the contacts of the male connector must be reliably inserted into the female connector to ensure the connection is maintained.

The EJH-120-01-S-D-RA-20 is a robust and reliable rectangular connector and is ideally suited for use in a variety of applications, including Ethernet, USB, and Firewire. It is one of the most popular types of connectors used in the aerospace, telecommunications, and computer industries. Furthermore, its easy installation and quick assembly makes it an ideal choice for projects that require a fast turnaround.

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