5745174-2

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D-Sub, D-Shaped Connectors - Backshells, Hoods are D-shaped metal or plastic enclosures, that are used to shield and protect an electrical connector and the wires connected to it from environmental factors. The D-Sub housing is usually composed of several pieces that fit together: the backshell, hood, and accessories (e.g. strain reliefs). Typically, the backshell and hood are designed to protect the connector and the wires that are connected to the connector.

The 5745174-2 is an example of a D-Sub assembly that utilizes a backshell and hood combination. The purpose of the backshell is to provide strain relief, affording a degree of protection for the wire--this is accomplished through the use of a molded rubber grommet, which fits securely onto the connector body, providing the strain relief needed to protect the wire. The hood on the 5745174-2 helps provide the additional shielding needed to protect the wires connected to the connector body, and includes a locking mechanism for added security. The hood also provides a visual indicator that the connector is securely closed and locked--even if the locking mechanism is not engaged, the presence of the hood/closure provides this assurance.

The 5745174-2 backshell and hood also provide termination protection - the connectors used in this assembly are designed to securely terminate the wire, thus providing additional protection from any accidental disconnection. The backshell and hood also provide EMI/RFI shielding, significantly reducing the possibility of unwanted interference in the circuit.

The 5745174-2\'s backshell and hood combination can also accommodate additional accessories, such as filters and surge protectors, which can be used to further improve the assembly’s performance. For example, if a circuit is going to be exposed to harsh environmental conditions, the use of a filter and surge protector can significantly reduce the possibility of interference or damage due to lightning strikes or other extreme conditions.

The assembly provided by the 5745174-2 is designed to provide optimal performance in a variety of environments, from extreme temperatures to high vibration applications. The use of the 5545174-2 backshell and hood combination ensures that the connector is able to withstand the rigors of any environment it may be subjected to, while providing a secure connection and reducing the possibility of EMI/RFI interference.

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