Material Housing: PBT,UL 94-0 Rated Retainer: Nylon66,UL 94-0 Rated Contact(HDMI): Phosphor Bronze,Gold plating over Nickel on contact area;Tin Plating on Solder Tail. Contact(USB): Phosphor Bronze,Gold plating over Nickel on contact area;Tin Plating on Solder Tail. Shell(lntside):SUS304 Shell(Outside) :SPCC,Tin Planting over Nickel. HDMI Electrical Specification Operation Voltage:40 VAC max. Current Rating: 0.5 Ampere per contact Contact Resistance: 10 Milliohms max. Insulation Resistance: 100 Megohms min, Dielectric Withstanding Voltage: 500 VAC USB Electrical Specification Rated Voltage and Current: 1.5A at 250V AC min; Contact Resistance: 30 Milliohms max. Insulation Resistance: 1000 megohms min At 500V DC. Dielectric Withstanding Voltage: 500 VAC For 1 minute. Environmental Operating Temperature: -55°C to +85°C