1. Material: Insulator: Teflon Body: Brass Pin and shell: Plating Gold flash 2. Electrical Characteristics: Working Voltage: AC250V Insulation Resistance: 5000M Ohm Contact Resistance: Center Contact: 3m Ohm max Ourter Contact: 2.5m Ohm max Frequency: Up to 12Ghz Impedance: 50 Ohm 3. Environmental: Working Temperature: -55~155 Relative Humidity: 95%(40+/-2) The product is in compliance with ROHS standard.