1)Electrical: 1.1 Contact Resistance: 30M? Max 1.2 Insulation Resistance:100M? Min 1.3 Withstanding VOltage :500V DC 1.4 Current rating 0.5AMP Max 1.5 Temperature Rage :-55%%D+105%%D 2)Material: 2.1 Housing: PBT+30%GF UL 94V-0 2.2 Shell : Cu2680 2.3 Contact :Cu2680 3)Finishing: 3.1 Contact Plate Gold in Mating Area. Tin On Solder Talls. 3.2 Shell: Nickel plating