77311-102S21LF

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77311-102S21LF

Rectangular Connectors - Headers, Male Pins are components that physically, electrically, and thermally interconnect electronic circuit boards. This type of connector is also known as a board-to-board connection which is used in a variety of applications for different purposes. This article will discuss the application field and working principle of a specific kind of rectangular connector, the 77311-102S21LF.

Application Field

The 77311-102S21LF connector is typically used in a variety of industries due to its small size and is especially suitable for automotive, communication, computer, consumer, and industrial applications. It is used for making compact connections, such as between a circuit board and a device, where space is limited. The small size also makes it ideal for high-density applications where two connectors must be used together to establish a connection.

In general, the 77311-102S21LF connector is used for both wired and wireless connections, as well as in Ethernet protocols, FPGAs, memory controllers, JTAG and BIST interfaces, and low-speed peripherals such as UARTs and SPI interfaces. This is supported by the connector’s higher contact density and smaller form factor, which makes it especially well suited to these applications.

Working Principle

The 77311-102S21LF connector consists of a plug and a receptacle that fit together to form a complete connection. The plug is often referred to as a header, and the receptacle is known as a female pin. Each connection must be made by “connecting” the header pin into the female pin on the opposite side.

Using the example of a circuit board connecting to a device, the pins on the circuit board will connect to the corresponding openings on the device in a process called making “mates”. This process involves aligning the header and female pins so that the pins on the circuit board can be inserted into the openings on the device. After the pins are securely placed into the openings, the pins make electrical contact with the board, and the connection is established and secured. The connection is then completed by making sure that the pins are tight and secure in the openings, and that all the connections are properly grounded.

Conclusion

In conclusion, the 77311-102S21LF is a small rectangular connector that is used in a variety of industries due to its small size and is especially suitable for making compact connections between a circuit board and a device. Its small form factor makes it ideal for high-density applications where two connectors must be used together to establish a connection. It consists of a plug (header) and a receptacle (female pin) that fit together to form a complete connection. The process involves aligning the header and the female pins, inserting the pins into the corresponding openings, and securing the connection by making sure that the pins are tight and secure in the openings.

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