Truconnect vertical 39 a 39 series usb socket truconnect 24 0355 this usb a type vertical connector has copper alloy contacts that have been given a heavy flash gold coating construction features include snap in pc solder tails to hold connectors in position for wave soldering and with tin plated solder tails for excellent solderability principal applications for these are digital cameras scanners trackballs keyboards printers joysticks and modems truconnect vertical a series