Panel Mount BNC Connector  With Jack Female  Straight Type
KLS1-BNC015: (50 Ω)   /   KLS1-BNC015B: (75 Ω)

Electrical Specifications
Impedance: 50 Ω nominal Or  75 Ω nominal
Frequency Range: 0-4 GHz with low reflection
Voltage Rating: 500 volts peak
Dielectric Withstanding Voltage: 1,500 volts rms
VSWR :Straight connectors: 1.3 max 0-4 GHz
Right angle connectors: 1.35 max 0-4 GHz
Contact Resistance
Center contact: 1.5 mΩ;
Outer contact: 0.2 mΩ
Insulation Resistance: 5,000 MΩ
Braid to Body: 0.1 milliohm
RF Leakage: -55 dB min at 3 GHz
Insertion Loss: 0.2 dB min at 3 Ghz

Material
Male Contact: Brass
Female Contact: Beryllium copper or phosphorous bronze,silver or gold-plated
Other Metal Parts: Brass, nickel finish
Insulator: TFE
Crimp Ferrule: Copper/brass