74423-040LF

Memory Connectors - PC Card Sockets

The 74423-040LF is a PC card socket, also known as a PCMCIA (Personal Computer Memory Card International Association) socket. PC card sockets are used as connectors for memory cards, usually those used in mobile devices like laptops, netbooks, and PDAs. This particular card socket is manufactured by Amp/Tyco Electronics and is designed for use with smaller, thinner cards.

In order to fit in a small package, this socket has a low profile design, making it ideal for tight spaces. It has an external height of only 6.4 mm and an internal height of 4.5 mm. The card socket has two rows of 50-pin contacts to accept type 1, 2, or 3 PC cards. Each contact is rated for a current capacity of 2.5 amps and up to 50 volts.

The 74423-040LF is designed for applications that require a high level of reliability and performance. It features an adjustable card ejector, which can accommodate a wide range of card thicknesses. It also has a retainer clip which holds the card in place. Additionally, the socket has a unique 2-piece shield assembly which provides enhanced RF and EMI (electromagnetic interference) shielding properties. The socket meets IEC-950 requirements for flammability.

The 74423-040LF works through two basic principles. First, when the card is inserted into the socket, the internal contacts on the card make contact with the external contacts on the socket. This establishes an electrical connection, allowing power to flow from the device to the card. Second, the retainer clip and adjustable card ejector ensure that the card is secured in place throughout the connection process. This prevents the card from becoming loose or disconnected during use, ensuring a reliable connection.

In conclusion, the 74423-040LF is a PC card socket designed for use in mobile devices. It has an adjustable card ejector and a retainer clip for a secure connection, and is rated for 2.5 amps and 50 volts to ensure reliable performance. It also features an innovative 2-piece shield assembly for enhanced RF and EMI shielding, and meets IEC-950 flammability requirements. This makes the 74423-040LF a valuable component for applications that require a strong and reliable connection between the device and the card.