What are board-to-board and mezzanine connectors? What are their main differences?

Board-to-Board Connectors (Board-to-Board Connector) and Mezzanine Connectors (Mezzanine Connector) are connectors used to connect different circuit boards in electronic equipment. They play an important role in electronic equipment, can realize the signal transmission and energy transfer between multiple circuit boards, so in the design and manufacture of a variety of performance parameters and requirements need to be fully considered. Although board-to-board connectors and mezzanine connectors both serve similar purposes, there are some important differences between them. A board-to-board connector is a connector used to connect between two circuit boards in an electronic device, usually consisting of two interconnected plugs and sockets. The main function of a board-to-board connector is to realize signal transmission and energy transfer between different circuit boards. Since the connection between circuit boards is usually subjected to different environmental factors such as force, vibration and temperature, board-to-board connectors must have good mechanical strength and durability. In addition, board-to-board connectors also need to have good impedance matching and shielding and other characteristics to ensure the stability and reliability of the transmitted signal. Mezzanine connectors are also used to connect between different circuit boards in an electronic device. Unlike board-to-board connectors, mezzanine connectors usually consist of three or more connectors that can connect circuit boards in different vertical positions. The design and manufacture of mezzanine connectors requires full consideration of the spacing and precision between the different connection points to ensure the reliability and stability of the connection. Mezzanine connectors also need to have good impedance matching and shielding and other characteristics to ensure the stability and reliability of the transmitted signal. The main difference between board-to-board connectors and mezzanine connectors lies in the way they are designed and applied. Specifically, board-to-board connectors are typically used to connect two horizontal circuit boards, while mezzanine connectors are typically used to connect a vertical circuit board to a horizontal circuit board. Mezzanine connectors allow for a more compact circuit board layout, thereby reducing the size and weight of the device. In addition, mezzanine connectors can provide additional board expansion and functional integration possibilities, as mezzanine connectors can connect multiple boards in different locations.

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