MI21-50PD-SF(71) Connectors, Interconnects

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Introduction to Memory Connectors - PC Card Sockets

Memory Connectors are increasingly being used in the PC Card industry due to their multiple advantages. Memory connectors are the means of attaching a variety of electronic components to a PCB. The multitude of types of Memory Connectors makes it possible to meet a wide range of applications and performance requirements. With the advent of the PC Card industry, these connectors have been further developed to cater for new demanding applications.

PC Card Sockets are an important type of Memory Connectors that provide a means for attaching a PCMCIA type card to a computer. PC Card sockets are available in different form factors or sizes, such as Type I, Type II and Type III. The sockets can either be an expansion card slot or a specific form of memory connector embedded directly into the circuitry of a device. They allow safe and secure attachment of PCMCIA cards and have strong mechanical support for both insertion and extraction.

MI21-50PD-SF(71) Memory Connectors

The MI21-50PD-SF(71) is a high-quality series of PC Card sockets. It is designed for superior functionality and is compliant with the PCMCIA PC Card Rev. 2.1 standard. It simultaneously supports type I, II, and III cards and provides electrical connectivity. Furthermore, it includes an integrated voltage selector for card voltage identification.

The MI21-50PD-SF(71) PC Card socket features an integrated EMI and RFI shield and optional anti-friction and dust protection mechanisms for improved signal integrity and reliability. It includes an internal backplane to make its overall profile smaller and to help enhance the signal integrity. Moreover, it offers an expanded range of mechanical locking solutions to provide maximum security.

Application field

The MI21-50PD-SF(71) PC Card socket is commonly used in small, lightweight mobile computing and communication devices, such as notebooks, smartphones, tablets, game consoles, handheld computers, and other digital devices. It is also used in embedded designs, such as automotive computing, medical imaging, datacom applications, personal navigation systems, and industrial automation.

Working principle

The MI21-50PD-SF(71) PC Card socket is designed to enable easy insertion and extraction of PCMCIA cards while providing safety and reliability. Its mechanical connection is robust, allowing for smooth and secure insertion and extraction of cards. The mechanical connection is further secured by the use of a locking mechanism. The socket design also helps protect contact pins from dust and other environmental hazards.

The socket also features an integrated backplane for superior signal integrity. This backplane supports the card edges, in addition to defending against EMI and radiation emissions from the PCMCIA connector, and also helps prevent any short circuits. The integrated voltage selector enables an I/O voltage selection and provides power flexibility. An EMI/RFI shielding provides effective protection against environmental and electrostatic interference.

In summary, the MI21-50PD-SF(71) is a high-quality PC Card socket designed to easily allow insertion of a variety of devices into a host computer. It features an integrated EMI/RFI shield and an integrated backplane for optimal signal integrity, as well as mechanical locking features for secure attachment and extraction of cards.

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