ESQT-118-02-L-5-375

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Rectangular Connectors - Headers, Receptacles, Female Sockets have become increasingly important to a variety of industries. In particular, the ESQT-118-02-L-5-375 is a product that has been rapidly increasing in popularity. This article will discuss the application field and working principle of this versatile and useful connector.

The ESQT-118-02-L-5-375 is a 1.25mm pitch card-edge connector, which is commonly used for interconnections between printed circuit boards (PCBs) to control, power, and signal connections. This particular connector is uniquely suited for high-density applications and a wide variety of applications in aerospace, medical, and military applications. It is able to provide an additional 5 signal contacts while still allowing a secure and efficient connection between components. Due to its increased pin count, this connector has become increasingly useful in these arenas where space is limited.

Beyond its application field, the working principle of the ESQT-118-02-L-5-375 is rooted in it\'s unique design. This type of rectangular connector contains two rows of contacts, which are receptacles and headers. The contact row on the primary side consists of 1.25mm pitch female receptacles, while the contact row on the secondary side consists of 1.25mm pitch male headers. Both rows are simultaneously plugged together to ensure a secure connection.

The primary side contacts are “plated-through-holes”, meaning they are placed into the PCB and then soldered to create a void-free connection. During this solder process the plating on the contacts is melted to create an ultra-low contact resistance. The primary side contacts are protected from short circuits because they are encased in a plastic body. The secondary side contacts are “mounted and held in place”, with threads on each contact that make it possible to be firmly screwed into the PCB. The secondary side contacts are also protected from short circuits through plastic molding.

To finalize the connection, the ESQT-118-02-L-5-375 connector must be locked. This is done by rotating clockwise or counterclockwise the male header on the secondary side. This ensures a secure and reliable connection throughout its application field. In addition, this type of connector has additional mounting hooks that allow for easy securement and alignment in its specified application field.

In conclusion, the ESQT-118-02-L-5-375 is a unique and versatile rectangular connector that is uniquely suited for a range of applications. It offers a secure and efficient connection between components and has found its place in industries ranging from aerospace to military to medical. Its combination of both primary and secondary side contacts, its simple locking mechanism, and its additional mounting hooks make it the ideal choice for many applications.

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