Material:Housing: PBT UL94V-0, BlackContacts: PhosphorBronzePlating:Au or Sn over 50u" nickelElectrical Characteristics:Current Rating: 1.0 AMPInsulator Resistance: 1000M Ohm min.Withstand Voltage: 500V AC / MinuteContact Resistance: 20m Ohm max.Operating Temperature: -40ºC~+105ºC