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Rectangular Connectors, also known as board-to-board connectors, are used to provide various electrical connections between two surfaces. The most common types of these connectors are edge-type, array, and mezzanine connectors. They are available in a variety of sizes, styles, and materials to suit the needs of different applications.

Edge-Type Connectors

Edge-type connectors are the simplest form of board-to-board connectors. These connectors are very small, typically consisting of just a metal top and bottom that allows two boards to be connected. They are typically used in applications that require high speeds and low power consumption. Due to their size, edge-type connectors can also be used in applications where space is at a premium. They are also usually easy to install, so are a popular choice for prototyping and testing applications.

Array Connectors

Array connectors are a more complex form of board-to-board connector. These connectors are larger than edge-type varieties and are used in applications requiring more space, such as those which require wireless connections or more power. Array connectors typically consist of multiple pins arranged in a pattern and come in many sizes and shapes. They are often used in applications that require exceptional durability, or in applications which must withstand high temperatures or high voltage.

Mezzanine Connectors

Mezzanine connectors are the most complex form of board-to-board connectors. Mezzanine connectors are typically large and sturdy and consist of multiple pins arranged in a specific pattern. These connectors are usually used in high-end applications requiring exceptional signal integrity, such as those where data is being transferred at extreme speeds. Mezzanine connectors are very reliable and are usually employed in applications where failure is not an option, such as aerospace and military applications.

Application Field and Working Principle

Rectangular connectors are used in a variety of applications, ranging from consumer electronics to military and aerospace applications. They are used for applications requiring high-speed data transfers, high-power connections, and/or exceptional durability. The working principle of rectangular connectors varies based on the type of connector being used, but most commonly pins from each board are inserted into the corresponding slots in the other board. These pins are then secured in place with either soldering, heat-shrinking, crimping, welding, or other securement techniques.

In summary, rectangular connectors are some of the most widely used board-to-board connectors and are available in a variety of sizes, shapes, and materials. Edge-type connectors are the most simple and versatile, while array and mezzanine connectors are more complex and suitable for high-end applications. The application field and working principle of these connectors vary depending on the type of connector being used and the application.

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