USB connectors for industrial conditions

16 September 2009 Interconnection

Bulgin's latest addition to its range of IP68 waterproof connectors is a unique new design for USB connections. Based around the standard USB interface, these 4-pole hot-pluggable connectors have USB Ver 2 performance offering high-speed data transfer up to 480 Mbps.

Robustly housed in an over-moulded body using UL94V-0 rated PVC, the connectors are environmentally sealed to IP68. Shielded USB connectors, combined with continuous screening, produce a high degree of noise immunity and EMI protection – an important consideration in electrically noisy industrial environments.

Three formats of single- and double-ended cables offer a number of options for environmentally sealed connections between PC and peripherals; these are: IP68 sealed A type USB to standard B type USB, IP68 sealed B type USB to standard A type USB and IP68 sealed A type USB to IP68 sealed B type USB. Each is available in 2, 3 and 5 metre lengths.

The cable connector is based on Bulgin's proven Buccaneer design but features over-moulding technology where the connector body is moulded directly over the cable. This gives both a tough outer body and reliable cable seal. The screw coupling provides a secure and proven locking system allowing quick and easy connections.

The mating panel mount connectors have either A or B type USB IP68 connection to the front of panel and a standard USB connection to the rear. Shielded USB adapters are used to maintain screening throughout the system and adapter leads are available to provide a direct connection to PCBs via 0,1" pitch headers. This design also maintains complete compatibility with standard USB connectors, a useful feature to allow standard USB cables or USB memory sticks to be utilised. Sealing caps are also available to maintain the IP rating of unmated connectors.

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