Material&FNISHInsulator: P.P.S(UL94V-0)Contactor:Beryllium Copper With Gold Flash PLATINGSleeve:Brass with Bright Tin PLATING.Contact Plating:0.25u"Au or 5u"Sn,over2-3u"NiCurrent Rating:250V AC 1AWithstanding Voltage: 1000VAC for 1 MinuteContact Resistance:10mΩMin.Insulation Resistance:1000mΩMinOperating Temperature:-55°C ~ +125°CNo.of Contacts:Single Row:64 MaxDual Row:72 Max