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Rectangular connectors are a type of electrical connector used to join electrical systems or devices. They provide a secure connection point between two components, and are often used to connect systems and devices that use different physical connectors. Rectangular connectors are available in a variety of sizes, styles, and shapes, and are commonly referred to as headers, receptacles, or female sockets. In this article, we’ll explore the various types of rectangular connectors, how they’re used and their working principles.

Headers

Headers are the most common type of rectangular connector found in electrical systems. They consist of a series of pins or leads arranged either in a single row or multiple rows, which plug into a printed circuit board (PCB). The pins are connected to the PCB by either soldering or crimping, depending on the application. They are typically used to connect electronic components, such as ICs (Integrated Circuits), to the PCB, allowing the components to communicate with each other.

When used for data transmission, the header’s pins are connected to chosen circuitry to provide the necessary voltage and logic signals. This allows data to be sent or received from one component to another.

Receptacles

Receptacles are the female counterparts to headers, and are designed to accept plug-in electrical connections. Unlike headers, they are not typically soldered or crimped to the PCB, and do not have any internal circuitry. They instead rely on the insertion force of the pins on the header to complete the connection.

Receptacles are commonly used for a number of applications, such as connecting wires to a power supply, modems, or computers. They are also used for connecting components and devices that have different physical connectors.

Female Sockets

Female sockets are similar to receptacles in that they are designed to accept plug-in electrical connections. However, unlike receptacles, female sockets have some internal circuitry that allows them to process signals. This internal circuitry can be used to route data to and from the plug-in connection.

Female sockets are typically used in applications like communication ports, computer expansion cards, and test and measurement devices. They are also used for connecting components and devices that have different physical connectors.

working principle

Rectangular connectors are used as a secure connection point between two components, and they work by providing an open circuit until the headers and receptacles are inserted. The pins on the header or receptacle complete the connection, which allows data or signals to flow between the two components.

When the two components are closed, the pins are in contact with the corresponding receptacle, creating an electrical path or link that allows current flow or data to be transmitted between the components.

Rectangular connectors are a simple and reliable way of connecting electrical systems or devices. They are a popular choice for applications that require quick and secure connections, such as making repairs or adding components. They are also available in a variety of different sizes, shapes, and styles, so that they can be used in a variety of different applications.

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