646484-1

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Backplane Connectors – Housings refers to the connection between the backplane and the module/card. A 646484-1 is a kind of housing of backplane connector which is a.k.a. Board-to-Board connector. This product line was developed by Molex, one of the most reliable connectors manufacturer. To be more specific, 646484-1 housing is an ideal solution for high-speed networking systems that operate in demanding environments which requires high scalability and durability.

At its core, 646484-1 is a V-0-Rated UL 94V-0 plasitc housing with two rows, developed from high quality PA66 UL 94V-0 material. It has a 2.00mm (.079") pitch and was designed with a high retention force to ensure maximum reliability and protect components from environmental elements. The connector housing also has a low profile beam length, which improves flow characteristics and increases the stability of the circuit configuration in the housing.

In contrast, the common PCB backplane connector is typically found in single row with .1" pitch and .8mm (.03") to 1.0mm (.039") blade width, but the 646484-1 connector offers double rows in the same .1" pitch, with wider 1.25mm (.049") to 2.00mm (.079") blade width. The overall size is also bigger, the overall length of this connector is 19.68mm (0.775") which is relatively bigger than the normal 15.40mm (0.607") PCB backplane connector.

There are two kinds of 646484-1 housing, one is plated with a 4U gold finish and the other is plated with a 30U tin finish. Both of them come with high temperature resistance and EMC shielding. The tin plated version is also corrosion resistant.

The working principle for the 646484-1 housing is relatively simple, as it provides a connection path between two devices so that their signals or power can be transferred between them. It is important to note that this connector requires the use of two cables, one to be connected to the board and the other one to the connector. This ensures that signals and power are transferred in a very precise and efficient manner.

The 646484-1 housing has many application fields, such as industrial automation, data communication and communication equipment. This connector is also being used in the automotive field for applications such as airbag systems, brake systems and powertrain electronic applications. In the consumer application, this kind of connector is used for charging docks, portable devices, high-definition displays and other electronics products. It is also ideal for application that has a space betwen boards, such as damp environments and EMI signal harsh conditions.

In summary, Molex 646484-1 is a double row, low profile-beam length housing with 19.68 mm overall length. It is an ideal solution for high-speed networking, high retention force to ensure maximum reliability and protection of components and can be plated with 4U gold finish or 30U tin finish. It is widely used in industrial automation, data communication, automotive, consumer applications and damp environment applications.

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