5120643-3

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Backplane connectors serve the critical function of connecting printed circuit boards together into larger units known as backplanes. Backplanes come in a variety of types, including hard metric, standard, and differential pair. The 5120643-3 series backplane connectors fall into the hard metric category.

The basic design of the 5120643-3 backplane connector features an insulated three-piece body design, with two integral polarization keying and a version with two integral polarizing pins. Connections are made by soldering the pins to the corresponding end of the board. The pins of the connector contain a zero insertion force mechanism, meaning that no additional force is required to make the connection.

The 5120643-3 connector is used in a wide variety of applications. This is due to its durability and reliability, as well as its ability to provide robust power and signal handling. It is commonly used in applications such as electrical and electronic control systems, industrial automation, medical instrumentation, and military and aerospace systems. These connectors can even be used in the automotive industry, as they are resistant to water, dust, and salt spray.

The working principle of the 5120643-3 backplane connector is fairly straightforward. When a mating board is inserted into the unit, the two pins of the connector are pushed by the board against the two locating pins of the connector body. As the pins are pushed in, they make contact with the two adjacent pins, forming two power paths and allowing an electrical connection to be made. This contact enables the device to transfer electrical signals between the two boards.

The 5120643-3 series of connectors provides a reliable and efficient connection between printed circuit boards. Its resilient design and durable construction make it suitable for a variety of applications, including those requiring robust power handling and signal transfer. The zero insertion force mechanism ensures secure connections, while the built-in polarization keys prevent misalignment. As such, the 5120643-3 is an extremely versatile and reliable backplane connector.

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