BNC series are the most widely used bayonet lock coaxial connectors with 50ohm and 75ohm impedances.
The 50ohm series can be used up to 4GHz and 75ohm series can be used up to 1GHz.
Clamp and crimp type cables are available and every 75ohm and 50ohm cable are compatible.

Standards
MIL-C-39012

ELECTRICAL DATA
Impedance : 50ohm / Frequency range : DC to 4GHz
Impedance : 75ohm / Frequency range : DC to 1GHz
Contact current : DC 3.5A max.
Voltage rating : 500V rms
Contact resistance : 2.0 ㏁ - Center contacts
0.2 ㏁ - Outer contacts
Insulation resistance : 5000 ㏁ min.
Insertion loss : 0.3dB max. at 3GHz
VSWR : ≤1.15 (Return loss better than 23.0dB)

MECHANICAL DATA
Coupling nut torque : 0.07Nm~0.25Nm
Coupling nut retention force : 44.5daN
Life : 500 matings
Contact captivation : ≥27N

ENVIRONMENTAL DATA
Temperature range : -65℃~+125℃
Corrosion resistance : MIL-STD-202, Method 101, Condition B
Moisture resistance : MIL-STD-202, Method 106
Thermal shock : MIL-STD-202, Method 107, Condition B
Vibration : MIL-STD-202, Method 204, Condition B
Shock : MIL-STD-202, Method 213, Condition G

MATERIALS
Bodies : Brass or Stainless steel
Male contact : Brass
Female contact : Beryllium copper
Insulator : PTFE Teflon
Gasket : Silicone Rubber

PLATINGS
Body : Gold, Nickel, Silver, Suco plating and passivated depends on customer demand
Center contact : Gold, Nickel, Silver, Suco plating depends on customer demand