The '04' indicates 4 positions for the connector. The '06.5' refers to a 6.5 mm stack height. '-G' specifies the plating option as 10 µ" (0.25 µm) Gold on the contact and Gold flash on the tail. '-V' denotes a vertical orientation. '-S' indicates a Surface Mount termination style. '-W' signifies the inclusion of weld tabs. '-TR' specifies the packaging as Tape & Reel. The UMPT series identifies Samtec's mPOWER™ Ultra Micro Power Terminal connectors, which are part of the Ultra Micro Power System (2.00 mm pitch) designed for high-power board-to-board or cable-to-board applications.