Material: Housing: LCP UL94V-0 Lock: LCP, UL94V-0 Plug spring: phosphor bronze, Tin Plated / Gold Plated Soldering lug: phosphor bronze, Tin Plated / Gold Plated Electrical Characteristics: Voltage rating: 50 VAC Current rating: 0.4 AMP Dielectric Withstandingf Voltage: 500 VAC R.M.S. Insulation resistance: 500m ohm Min Contact resistance: 20m ohm. max. Temperature range: -20℃ To +85℃