The Amphenol BT-6516-12D-Y144 is a surface mount round pin, standard level, miniature USB connector with a low profile. It has twelve (12) contacts, a snap-in locking, and a maximum voltage of 30 VDC. It is made from an insulated thermoplastic and is RoHS compliant. Its outer dimensions are 4.4 mm in diameter by 9.2 mm in length. This USB connector is intended for use in a variety of applications, such as Audio/Visual, Computer, Testing and Measurement, Automotive, and Telecommunications.