SMM-140-02-S-D Connectors, Interconnects

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The SMM-140-02-S-D rectangular connector is commonly used in many applications as the device level for cable-to-board connectivity. This connector is designed to provide reliable and long-lasting connections in difficult environments. Compact and lightweight, the SMM-140-02-S-D can be mounted on either a single- or multi-pin board for fast, easy installation.

Rectangular connectors, like the SMM-140-02-S-D, are typically divided into three main categories: headers, receptacles and female sockets. Each of these three connector types functions differently, depending on its application.

Headers

Headers are a type of connector commonly used in low-current and low-voltage applications. As the name suggests, they are designed to fit into a header port or socket on a printed circuit board (PCB). These connectors come in two forms: single-row and dual-row. Single-row headers typically have a higher current-carrying capacity than dual-row headers. The pins on headers are typically made of brass and may have insulation to prevent accidental connections.

Receptacles

Receptacles are connectors that are designed to mate with a header. Receptacles typically feature two rows of connectors that are spaced apart and locked into place. The pins in the receptacles are attached at an angle, creating an electrical path when the header is inserted. This condenses the connectors down to a smaller size while still allowing a secure connection. As with headers, receptacles can also come in single- or dual-row configurations.

Female Sockets

Female sockets are similar to receptacles, but they receive the connection from the opposite side of the board. This can be useful in applications where the connector needs to extend further out from the circuit board. Female sockets are typically used in applications where higher voltages are present. As with the other connectors, female sockets can be found in both single- and dual-row configurations.

Working Principle

All three types of rectangular connectors work in a similar fashion. When the header is inserted into the receptacle or female socket, the pins in the receptacle and/or socket make contact with the pins in the header. This creates an electrical connection, allowing power and/or signals to flow between the devices. The locking mechanisms on the connectors ensure that the connection is secure and reliable.

The SMM-140-02-S-D rectangular connector, like other rectangular connectors, is a reliable device used to provide cable-to-board connectivity in applications that require high performance and reliability. Whether the application calls for headers, receptacles or female sockets, the SMM-140-02-S-D is a great choice for a wide variety of applications.

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