USB Connector A Type (Top Entry, SMT) Materials ΆPlastic Housing : Engineering Thermoplastic. Flammability Rating UL 94V-0. ΆContacts : Phosphor Bronze. ΆPlating : Gold Plating Over Nickel In Contact Area. Tin Plating Over Nickel In Solder Area. ΆShield : Brass Plating Tin. Ordering Information 6100 - D Series Series No. D : Top Entry, SMT ~ 10 ~ KINSUN