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

Rectangular connectors are widely used in applications such as telecommunications, computers, audio, security and software. They are advantageous due to their ability to be configured with multiple connector styles into a variety of formats to meet design requirements. The most common applications include ganged, edge-type, and mezzanine connectors.

Ganged Array. A ganged connector consists of two or more rectangular connectors (often referred to as “pins”) that fit into a holder or “socket”. The pins are typically made of a conductive material such as copper, brass, or metal and have contacts on either side. In order to ensure reliable contact between the pins and socket, the connector is often designed with a lip or latch that acts to ensure consistent contact.

The connections can include power, signal, and ground connections. This array design is used in applications that require multiple connectors to be arranged in a particular pattern for convenient connections and efficient use of space. Examples include connecting multiple printer ports, modems, and sound cards to a computer. Ganged connectors are also used to connect two or more circuit boards together.

Edge-type Connectors. An edge connector is a long, metal connector that extends across an edge of a board, such as a computer motherboard or cable. These connectors are used to connect multiple pieces of equipment or cabling to a motherboard. This design is beneficial when boards and cables need to be connected in a tight space. Connectors are also available with optional flexible “fingers” which allow for greater flexibility when connecting boards.

The most common edge connectors are IDC (Insulation Displacement Connectors) and DIMM (Dual In-line Memory Module). These connectors are used in computers to connect components to memory.

Mezzanine (Board to Board) Connectors. Mezzanine connectors are designed to connect two boards, usually in a vertical orientation. The connector provides a secure mechanical connection between the two boards, permitting them to move independently without loss of connection. Mezzanine connectors are typically used to connect peripheral components to mainboards in applications such as portable computers, video equipment, or medical instruments.

Mezzanine connectors are available in a variety of sizes and configurations to meet specific design criteria. Common configurations include high-density connectors with up to 150 pins, and low-profile designs. Connector sizes typically range from 1.5 mm to 3.55 mm with pitches ranging from 0.5 mm to 3.00 mm. Common configurations also include right angle, surface mount, and card edge connectors.

Rectangular connectors provide an efficient and cost-effective solution for connecting multiple components in a confined space. These connectors are available in a variety of designs to suit a range of specific application needs. From ganged arrays to edge-type connectors and mezzanine board-to-board connectors, rectangular connectors are suitable for a wide range of applications.

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