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Rectangular Connectors - Headers, Receptacles, Female Sockets

Rectangular connectors are most commonly used in electronic and electrical circuits, making them ideal for industrial and commercial applications. There are three main kinds of rectangular connectors: headers, receptacles, and female sockets. Each type has a specific purpose and a specialized working principle.

Headers

Headers are the simplest type of rectangular connector. These type of connectors are typically found in plug and play applications in consumer electronics, as well as for purposes such as data signaling and voltage carrying between devices. Headers feature one or more pins, with a row of contacts and a means of connecting the pins to the device.

Headers can come in two varieties: a single row or dual row. In the single row variety the pins are arranged in a single line. Dual row headers, meanwhile, feature two rows of pins running parallel to each other.

Receptacles

Receptacles are the opposite of headers. Whereas headers are placed on the device, receptacles are positioned to receive the header’s pin. Receptacles have a number of features designed to ensure that the mating header will fit properly. This includes shoulder screws, notch grooves, and threaded holes.

Receptacles are most commonly used in computer and peripheral applications. They can also be found in light switches and wall sockets. Receptacles are also used in connectors for power supplies and cables.

Female Sockets

Female sockets are similar in function to receptacles, but are specifically designed for use with plug-and-play cables. Female sockets have a slightly smaller design, allowing them to accommodate light cables. They can be found on the I/O panel of a computer.

Female sockets can also be used in consumer electronics for tasks such as connecting a mouse to a computer. Unlike headers and receptacles, female sockets are not used in electrical power supply connectors.

Conclusion

Headers, receptacles, and female sockets are the three main types of rectangular connectors. Headers are the simplest type and feature one or more pins. Receptacles and female sockets are plugs that are designed to mate with headers, and can be found on computers, in light switches, and in other electrical applications. Each type of connector has a specific purpose and a specialized working principle.

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