Material: Housing: 30% Glass filled PBT UL94V-0 Contacts: Brass or Phosphor Bronze Shell: Steel, 100u" Tin Over 50u" min Nickel Clinch Nut: Brass, 100u" min Nickel Plated Screwlock: Brass, 100u" min Nickel Plated Electrical Characteristics: Current Rating: 3 AMP or 5AMP Insulator Resistance: 5000M ohms min. at DC 500V Contact Resistance: 20m ohms max. at DC 100mA Operating Temperature: -55ºC~+105ºC