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USB plugs and sockets

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article image Keystone’s USB plugs and sockets.

KEYSTONE Electronics offers universal serial bus sockets, available from NPA , featuring snap-in solder tails that hold the connector in position during wave soldering.

Solder tails are tin lead-plated for excellent solderability. Gold plated contacts provide low contact resistance and excellent reliability.

The USB sockets offer a number of design advantages.

They allow port expansion by alleviating restriction of limited COM ports and available IRQs, up to 127 devices may be daisy-chained to the root hub, and data transfer is fast, up to 12Mbps, which is 3-5 times faster than parallel devices and 20-40 times faster than serial ports.

Keystone's USB sockets allow hot swapping of peripherals and are true "plug and play" devices for simple connections, requiring no jumper, DIP switches, or IRQs to set. Plus, these sockets allow USB speakers to bypass the sound card and receive true digital audio sound quality.

USB sockets are available in horizontal or vertical single A types or dual A type (stacked), and horizontal B type. Sockets feature phosphor bronze shell and contacts, thermoplastic UL-rated 94V-0 insulator, with gold flash over nickel contact area.

USB plugs for A and B type sockets are available with tin-plated steel shell.

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