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Rectangular Connectors - Arrays, Edge Type, Mezzanine (Board to Board)

Rectangular connectors, or rectangular array connectors, are a type of electrical connectors that consist of several contact points (pins) that are arranged in an array of rows and columns. Specifically, an array connector differs from traditional connectors in that the former often come in the form of multiple pins that are arranged into distinct patterns, while the latter generally consist of a single row of pins. Array connectors are typically used for applications requiring high-density signals, such as signal mixing and routing, and are available in several different types, such as edge type, mezzanine (board to board) and two-level connectors.

An edge type array connector, also known as a D-type connector, is typically composed of two parallel rows of pins, usually arranged in symmetrical patterns, with a gap between them. The most common use for an edge type connector is for transferring computer data over a short-distance, such as between a motherboard and disk drive. Mezzanine connectors, or M-series connectors, are a type of board-to-board array connector that is comprised of several pins arranged into a two-level pattern. These types of connectors are used in high-density, tight-screwless applications and are typically employed for applications requiring fast transitions and high-speed communications.

The primary advantages of using an array connector are its modular design, smaller size and improved signal integrity. For example, due to their modular design, array connectors can be customized to fit various devices, which makes them a more reliable and cost-effective alternative to traditional connectors. Additionally, since most array connectors are designed to fit within tight spaces, they can often provide better signal integrity compared to other types of connectors. Finally, since array connectors are usually much smaller than traditional connectors, they can be used in space-constrained environments, which makes them especially useful in automation and industrial applications.

In terms of general operation, array connectors typically feature two or more mating parts, each consisting of a series of pins. These contact points are normally made from a variety of materials, such as copper, brass or stainless steel, depending on the application. The pins of the mating parts are then aligned and pressed in order to form a mechanical and electrical connection. This connection is then secured with a locking mechanism, such as screws, a latch, or a snap-lock, depending on the design of the array connector.

In conclusion, array connectors are a type of electrical connector that offer several advantages over traditional connectors, due to their smaller size, modular design, and improved signal integrity. Array connectors are used in a variety of applications, such as in signal routing and mixing, fast transitions, and high-speed communications. These connectors come in several different types, including edge type, mezzanine, and two-level, depending on the application. In terms of general operation, array connectors feature two or more mating parts, which are connected by aligning and pressing the contact pins together and then securing this connection with a locking mechanism.