WR-COM USB 3.0 Horizontal Connectors Würth Elektronik WR-COM USB 3.0 Horizontal Connectors are available in Type A, Type B, Micro-B, THT, SMD, and dual configurations. All WR-COM USB 3.0 connectors can be wave and reflow soldered. Reflow qualified connectors can be identified by the blue plastic used in construction.