Assmann wsw a usbsab usb 20 female sockets assmann wsw a usbsb this a usbsb usb 20 socket from assmann wsw is a usb b female socket designed for printed circuit boards manufactured to a high standard and fitted with copper alloy contacts this right angled socket offers 1000momega min insulation resistance plus a 1000v ac withstanding voltage for one minute assmann wsw a usbsb usb 20 socket