74217-001LF Connectors, Interconnects

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In this article, we will discuss the 74217-001LF rectangular connectors - arrays, edge type, mezzanine (board to board) and what fields they can be used in, as well as the working principle of them.

Application Fields:

The 74217-001LF is an edge-type mezzanine connector which is designed to connect two printed circuit boards (PCBs) at a 90° angle. It employs a ZIF (Zero Insertion Force) interface, meaning that it doesn’t require the use of tools to insert or remove them from the sockets, as it is possible to do it by hand. This eliminates the need for additional hardware and makes this connector a versatile and easy to handle piece of equipment.

Due to its low cost and easy assembly, the 74217-001LF is used in most consumer electronics, including but not limited to computers, gaming systems, computers, medical equipment, home appliances, automated machines, and many more. Moreover, its ZIF interface is perfect for applications in which the boards need to be swapped or deleted frequently, as is the case with enhanced test & measurement equipment.

The 74217-001LF’s rugged construction provides excellent retention and a reliable connection, which makes it ideal for heavy duty applications such as military equipment, transportation, and other tough environments.

Working Principle:

The 74217-001LF connector is comprised of two parallel rows of pins. The inner row is connected internally with the electrical contacts of the board, while the outer row is connected to the contacts of the socket. When the connector is inserted into the socket, the pins are pressed against the contacts of the socket by its integrated metal clips. This creates reliable electrical connections between the two boards. Additionally, the metal clips offer pressure relief against the contacts, protecting them from over-voltage conditions.

The 74217-001LF connector is further equipped with locking tabs that prevent it from accidentally slipping out from the socket. The release buttons are integrated into the connector and must be depressed prior to insertion or removal.

Some of the 74217-001LF connectors feature polarized housings, marked with a "Polarity" mark. The polarized housings are designed to prevent improper mating of the connectors, as the contact pins will not line up if the connectors are mismatched. Additionally, some versions of the connector may come with additional insulation housing that increases their resistance to shock and vibration.

The 74217-001LF connector is designed for quick and easy assembly, and boards can be inserted and removed with minimal effort. It is also available in different sizes and pin configurations to meet the needs of a variety of applications.

In conclusion, the 74217-001LF is a versatile and easy to use edge-type mezzanine connector that can be used in a wide range of consumer electronics and military equipment. It provides reliable connections and is designed for quick and easy assembly. With its ZIF interface and metal clips, it is perfect for applications where boards need to be regularly swapped or deleted.

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